Thchnical Manual: Hyper Inverter Packaged Air-Conditioners
Thchnical Manual: Hyper Inverter Packaged Air-Conditioners
Thchnical Manual: Hyper Inverter Packaged Air-Conditioners
'11 • PAC-T-160
THCHNICAL MANUAL
FDF71VNXVD FDF100VSXVD
100VNXVD 125VSXVD
125VNXVD 140VSXVD
140VNXVD
Twin type
●
Single phase use ●
3 phase use
FDF140VNXPVD FDF140VSXPVD
FDF100VNVD FDF100VSVD
125VNVD 125VSVD
140VNVD 140VSVD
Twin type
●
Single phase use ●
3 phase use
FDF140VNPVD FDF140VSPVD
200VSPVD
250VSPVD
'11 • PAC-T-160
CONTENTS
1. SPECIFICATIONS ........................................................................................... 3
(1) Hyper inverter series ................................................................................... 3
(2) Micro inverter series ....................................................................................12
2. EXTERIOR DIMENSIONS ...............................................................................22
(1) Indoor units ..................................................................................................22
(2) Outdoor units ...............................................................................................23
3. ELECTRICAL WIRING ....................................................................................28
(1) Indoor units ..................................................................................................28
(2) Outdoor units ...............................................................................................29
4. NOISE LEVEL .................................................................................................35
5. TEMPERATURE DISTRIBUTION ....................................................................37
6. PIPING SYSTEM .............................................................................................38
7. RANGE OF USAGE & LIMITATIONS ..............................................................41
8. SELECTION CHART .......................................................................................44
8.1 Capacity tables ...........................................................................................44
8.2 Correction of cooling and heating capacity in relation to air flow rate control (fan speed) .............54
8.3 Correction of cooling and heating capacity in relation to one way length of refrigerant piping ........54
8.4 Height difference between the indoor unit and outdoor unit ..................55
9. APPLICATION DATA ......................................................................................56
9.1 Installation of indoor unit ...........................................................................56
9.2 Electric wiring work instruction .................................................................60
9.3 Installation of outdoor unit ........................................................................64
(1) Model FDC71VNX .......................................................................................64
(2) Models FDC100~140VN,100~140VS,100~140VNX,100~140VSX .......72
(3) Models FDC200,250VS .............................................................................76
(4) Method for connecting the accessory pipe (Models FDC200,250 only) ........83
9.4 Instructions for branching pipe set (DIS-WA1,WB1,TA1,TB1) ................85
- -
'11 • PAC-T-160
Series code
(blank)
: Single type
P : Twin type
Applicable power source...See the specification
Product capacity (14.0KW at cooling)
Model name FDF : Floor standing type
FDC : Outdoor unit
- -
'11 • PAC-T-160
1. SPECIFICATIONS
(1) Hyper inverter series
(a) Single phase use
1) Single type Adapted to RoHS directive
Model FDF71VNXVD
PGA000Z780
- -
'11 • PAC-T-160
PGA000Z780
- -
'11 • PAC-T-160
PGA000Z780
- -
'11 • PAC-T-160
Model FDF140VNXVD
PGA000Z780
- -
'11 • PAC-T-160
PGA000Z780
- -
'11 • PAC-T-160
(2) This packaged air-conditioner is manufactured and tested in conformity with the ISO.
(3) Sound pressure level indicates the value in an anechoic chamber. During operation
these value are somewhat higher due to ambient temperature.
(4) The operation data indicates when the air-conditioner is operated at 400V50Hz or 380V60Hz.
(5) If wireless remote controller is used, only 3-speed fan setting (Hi-Me-Lo) is available.
PGA000Z780
- -
'11 • PAC-T-160
Model FDF125VSXVD
(2) This packaged air-conditioner is manufactured and tested in conformity with the ISO.
(3) Sound pressure level indicates the value in an anechoic chamber. During operation
these value are somewhat higher due to ambient temperature.
(4) The operation data indicates when the air-conditioner is operated at 400V50Hz or 380V60Hz.
(5) If wireless remote controller is used, only 3-speed fan setting (Hi-Me-Lo) is available.
PGA000Z780
- -
'11 • PAC-T-160
(2) This packaged air-conditioner is manufactured and tested in conformity with the ISO.
(3) Sound pressure level indicates the value in an anechoic chamber. During operation
these value are somewhat higher due to ambient temperature.
(4) The operation data indicates when the air-conditioner is operated at 400V50Hz or 380V60Hz.
(5) If wireless remote controller is used, only 3-speed fan setting (Hi-Me-Lo) is available.
PGA000Z780
- 10 -
'11 • PAC-T-160
2) Twin type
Adapted to RoHS directive
Model FDF140VSXPVD
PGA000Z780
- 11 -
'11 • PAC-T-160
PGA000Z780
- 12 -
'11 • PAC-T-160
PGA000Z780
- 13 -
'11 • PAC-T-160
PGA000Z780
- 14 -
'11 • PAC-T-160
Model FDF140VNPVD
(2) This packaged air-conditioner is manufactured and tested in conformity with the ISO.
(3) Sound pressure level indicates the value in an anechoic chamber. During operation
these value are somewhat higher due to ambient temperature.
(4) The operation data indicates when the air-conditioner is operated at 230V50Hz or 220V60Hz.
(5) Indoor unit specifications for one unit. Capacity and operation data is two indoor units are combined and run together.
(6) Branching pipe set "DIS-WA1" × 1 (option). ① : Pipe of O/U~Branch, ② : Pipe of Branch~I/U
(7) If wireless remote controller is used, only 3-speed fan setting (Hi-Me-Lo) is available.
PGA000Z780
- 15 -
'11 • PAC-T-160
PGA000Z780
- 16 -
'11 • PAC-T-160
PGA000Z780
- 17 -
'11 • PAC-T-160
PGA000Z780
- 18 -
'11 • PAC-T-160
2) Twin type
Adapted to RoHS directive
Model FDF140VSPVD
(2) This packaged air-conditioner is manufactured and tested in conformity with the ISO.
(3) Sound pressure level indicates the value in an anechoic chamber. During operation
these value are somewhat higher due to ambient temperature.
(4) The operation data indicates when the air-conditioner is operated at 400V50Hz or 380V60Hz.
(5) Indoor unit specifications for one unit. Capacity and operation data is two indoor units are combined and run together.
(6) Branching pipe set "DIS-WA1" × 1 (option). ① : Pipe of O/U~Branch, ② : Pipe of Branch~I/U
(7) If wireless remote controller is used, only 3-speed fan setting (Hi-Me-Lo) is available.
PGA000Z780
- 19 -
'11 • PAC-T-160
(2) This packaged air-conditioner is manufactured and tested in conformity with the ISO.
(3) Sound pressure level indicates the value in an anechoic chamber. During operation
these value are somewhat higher due to ambient temperature.
(4) The operation data indicates when the air-conditioner is operated at 400V50Hz or 380V60Hz.
(5) Indoor unit specifications for one unit. Capacity and operation data is two indoor units are combined and run together.
(6) Branching pipe set "DIS-WB1" × 1(option). ① : Pipe of O/U~Branch, ② : Pipe of Branch~I/U
(7) If wireless remote controller is used, only 3-speed fan setting (Hi-Me-Lo) is available.
PGA000Z780
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'11 • PAC-T-160
PGA000Z780
- 21 -
2. EXTERIOR DIMENSIONS
A 50 H can be installed left
600 329 25∼50 125 50 50 125
197.5
Remote
270
80
120 240
120
Air return
650
grille
537 15 622.5 15
17.5
35
1850
1827
264(Liquid)
143
A 262(Gas)
G
terminal block)
Terminal block
〔Power source) B
812.5
852(Center of D
890
82
238.5(Drain)
C F
E A
-
196
400.5
474
22 -
95
45 98 142
40
78
48 306
93
150(Center of
terminal block)
Space for installation and service
or more
50
or more
or more
Symbol Content left lower side panel inside the air return grille.
A Gas piping φ15.88(5/8")(Flare)
Air supply B Liquid piping φ9.52(3/8")
(Flare) Unit:mm
600 C Drain piping φ20(VP20)
or more D Hole on wall for bottom piping φ100(Resin cap having)
PGA000Z781
'11 • PAC-T-160
E φ100(Knock out)
Fresh air intake(Both left and right)
Air return
F Hole on wall for rear piping φ100(Knock out)
G Metal fittings to fix to floor face M8(2 places)
or more
50
Model FDC71VNX
(4)Leave 1m or more space above the unit.
(5)A wall in front of the blower outlet must not exceed the units height.
(6)The model name label is attached on the lower right corner of the front.
223 310 60 E
15
2-R
7.5
47.5
L3
Intake
L2 L4
( )
340
380
418
Service
space
Intake
61
61 27
-
19
Outlet
L1
23 -
C Examples of
installation
I I
I I
II
Dimensions
750
30°
48.5
30°
24
PCA001Z603
Unit:mm
'11 • PAC-T-160
A
103.5
165.5 25
Notes
Symbol Content (1)It must not be surrounded by walls on the four sides.
Service valve connection of the (2)The unit must be fixed with anchor bolts. An anchor bolt must not
B A
attached connecting pipe(gas side)
φ15.88(5/8")(Flare)
protrude more than 15mm.
B Service valve connection(liquid side) φ9.52(3/8") (Flare) (3)Where the unit is subject to strong winds, lay it in such
A C Pipe/cable draw-out hole a direction that the blower outlet faces perpendicularly
D Drain discharge hole φ20×3places to the dominant wind direction.
E Anchor bolt hole M10×4places (4)Leave 1m or more space above the unit.
F F
C
-
624
612
110
110
24 -
70
195
195
150
10
C F
50
50
50
C 55 50 40
50 15 27 50 15 50
Examples of
970 installation I I
I I
II
Dimensions
E L1 Open Open 500
190 580 200 L3 L2 300 5 Open
L2 Intake
60 L3 150 300 150
L4
20
40
L4 5 5 5
15
Intake
C L1
55
103
space
PCA001Z569
38
'11 • PAC-T-160
60
20
262 325 D
A
Symbol Content Notes
A Service valve connection(gas side) φ15.88(5/8")
(Flare) (1)It must not be surrounded by walls on the four sides.
B Service valve connection(liquid side) φ9.52(3/8")
(Flare) (2)The unit must be fixed with anchor bolts. An anchor bolt must not
protrude more the 15mm.
C Pipe/cable draw-out hole
(3)Where the unit is subject to strong winds, lay it in such
D Drain discharge hole φ20×3places
a direction that the blower outlet faces perpendicularly
A
845
F F
F
-
25 -
279
242
110
110
195
195
70
150
10
50
50
50
55 52 40
C C C
50 15
27 50 15 50
E 970
Examples of
190 580 200 installation
Dimensions
I I
I I
II
60 60 60 15 L1 Open Open 500
L3 L2 300 5 Open
20
40
L4 L4 5 5 5
Intake
55
Unit:mm
L1
410
370
103
Service Outlet
38
space
C
PCA001Z535
'11 • PAC-T-160
Minimum installation space
20
40
262 388 D
Notes
Symbol Content (1)It must not be surrounded by walls on the four sides.
B Service valve connection of the (2)The unit must be fixed with anchor bolts. An anchor bolt must not
A φ19.05(3/4")
(Flare)
attached connecting pipe(gas side) protrude more the 15mm.
B Service valve connection(liquid side) φ9.52(3/8")
(Flare) (3)Where the unit is subject to strong winds, lay it in such
A,G C Pipe/cable draw-out hole a direction that the blower outlet faces perpendicularly
D Drain discharge hole φ20×3places to the dominant wind direction.
E Anchor bolt hole M10×4places (4)Leave 1m or more space above the unit.
Model FDC200VS
※49
(5)A wall in front of the blower outlet must not exceed the units height.
46
※46 φ30×2places(front)
F Cable draw-out hole φ45(side) (6)The model name label is attached on the lower right corner of the front.
φ50(back) (7)Connect the Service valve with local pipe by using the pipe of the attachment.
113 G Connecting position of the local pipe.(gas side) φ22.22(7/8")
(Brazing) (Gas side only)
(8)Mark ※ shows the connecting posotion of the local pipe.(Gas side only)
Terminal block
B
A
1300
G
F F C
-
624
538
26 -
35
※306
160
85
170
85
70
155
10
50
50
50
55 52 C 50 F
C
50 15 27 50 15 50 Examples of
installation I I
I I
II
970 Dimensions
L1 Open Open 500
190 580 200 L3 L2 300 5 Open
Intake
60 60 60 15 L2
E L4
L3 150 300 150
L4 5 5 5
20
40
15
Intake
L1
Service Outlet Unit:mm
55
410
370
space
103
38
PCA001Z536
'11 • PAC-T-160
Minimum installation space
20
40
262 388
D
Notes
(1)It must not be surrounded by walls on the four sides.
B Symbol Content (2)The unit must be fixed with anchor bolts. An anchor bolt must not
Service valve connection of the protrude more the 15mm.
A
attached connecting pipe(gas side) φ19.05(3/4") (Flare)
(3)Where the unit is subject to strong winds, lay it in such
A,G B Service valve connection(liquid side) φ12.7(1/2") (Flare) a direction that the blower outlet faces perpendicularly
C Pipe/cable draw-out hole to the dominant wind direction.
D Drain discharge hole φ20×3places (4)Leave 1m or more space above the unit.
Model FDC250VS
E Anchor bolt hole M10×4places (5)A wall in front of the blower outlet must not exceed the units height.
43
※46
※49
φ30×2places(front) (6)The model name label is attached on the lower right corner of the front.
F Cable draw-out hole φ45(side) (7)Connect the Service valve with local pipe by using the pipe of the attachment.
φ50(back) (Gas side only)
112
G Connecting position of the local pipe.(gas side) φ22.22(7/8")
(Brazing) (8)Mark ※ shows the connecting posotion of the local pipe.(Gas side only)
B
A
1505
-
G
27 -
F F C
618
538
35
※306
170
85
85
160
155
70
50
50
10
50
55 52 C 50 F
C 50 15
27 50 15 50 Examples of
installation I I
I I
II
970 Dimensions
190 580 200 L1 Open Open 500
60 60 L2 300 5 Open
60 15 L3
E L2 Intake L3 150 300 150
20
40
L4 L4 5 5 5
103 15
Intake Unit:mm
L1
55
410
370
Service Outlet
PCA001Z537
C
38
space
'11 • PAC-T-160
20
40
BL
CNW0 BL 3 1 BK
WH 4
BL
3 CNW4 CNH
1
4 BL
28 -
BL t°
5 BK 2 BK Th I -A
TB1 BL
5
Y/GN X4 SW5
F203 F202
(0.16A) (1.0A) SW6
CNI Option
+12 1
BL
CNR 2 XR1 (Operation)
WH 1 3 1 4 5 6 7 SW7
CNT 3 XR2 (Heating)
WH OR RD BL BR OR WH
CNM BL 4 XR3 (Compressor ON)
CNJ2 WH 5 XR4 (Inspection)
BL WH BR 6
XR5(Remote operation
M M input:volt-free contact)
LM 1∼ FM I
'11 • PAC-T-160
3. Use twin core cable(0.3mm X2) 2
at remote controller line. See spec
sheet of remote controller in case that the total length is more than 100m.
4. Do not put remote controller line alongside power source line.
POWER SOURCE 1∼220ー240V 50Hz/1∼220V 60Hz ITEM DESCRIPTION
CM Compressor motor
Model FDC71VNX
RD
WH
T5 N/F PWB3 T10 SM2 SM1 FM01 20S Solenoid valve for 4 way valve
T6 CNO2(WH) T13 T11 F3(4A)
M M M SM1 Expansion valve for cooling
SM2 Expansion valve for heating
YE/GN
WH
RD
GY
BR
High pressure switch
WH
63H1
WH
WH
OR
OR
OR
RD
RD
RD
BR
YE
BL
YE
BL
BL
BK
3 1 1 3 6 5 4 3 2 1 6 5 4 3 2 1 7 6 5 4 1
T21 T22 CN01 CNW CNW2 CNEEV2 CNEEV1 CNFAN Tho-A Thermistor
(Outdoor air temp.)
CNG2 BK CNG1
YE (WH) (BK) (BK) (WH) (OR) (RD) (WH) (WH)
T24
L1
INV CNI2 BL CNI1 PWB1 BK
ON ON
Tho-D Thermistor
CNQ1
PWB2
T25 (WH) (WH) (WH)
(Discharge pipe temp.)
1 2 3 4 1 2 3
6 SW9
CNQ1 SW5 SW8
IPM (WH) Mark Color
CNI4
(WH)
BL CNI3
(WH) Tho-R1,R2 Thermistor
T28 T29 T30 T26 T27 52X1 52X3 (Heat exchanger temp.)
U V W LED1 LED2
BK Black
52X4 BL Blue Tho-S Thermistor
RD
BL
ON ON
RD
WH
CNA1 BK
RD
BK
CNQ2
(Suction pipe temp.)
BL (WH)
(BK)
1 2 3 4 1 2 3
V W C1
+ 6
CNQ2 SW3 SW7 BR Brown
Thermistor(IPM)
RD
CM MS
U CNA2
BL (WH) CNN
(YE)
CNR
(WH)
CNS
(RD)
CNH
(PK)
CNTH
(WH)
CNIP
(YE)
CNPS
(WH)
CNB
(RD)
(BK) OR Orange Tho-IPM
3∼
8 7 6 5 4 3 2 1 RD Red LPT Low pressure sensor
BK
BK
BR
BR
BK
BK
BL
BL
WH
WH White IPM Intelligent power module
RD
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
t° t° t° t° t° t°
DH CH 20S LPT YE Yellow TB Terminal block
63H1 Tho-R1 Tho-D Tho-S Tho-A Tho-IPM Tho-R2 YE/GN Yellow/Green F,F3 Fuse
OPTIONAL
GY Gray CnA∼Z Connector
PK Pink SW9 Pump down switch
SW3,5 Local setting switch
-
LED2
Local setting switch SW3, SW5(Set up at shipment OFF) L1 Reactor
SW3-1 Defrost control change The defrosting operation interval becomes
shorter by turning ON this switch.
This switch should be turned ON in the area
Power cable, indoor-outdoor connecting wires where outside temperature becomes below
the freezing point.
Model MAX over current Power cable size Power cable length indoor-outdoor Earth wire size
(A)
SW3-2 Snow guard fan When this switch is turned ON, the outdoor
(mm 2 ) (m) wire size x number (mm 2) unit fan will run for 10 seconds in every 10
(mm 2) control
minutes, when outdoor temperature falls to
3°C or lower and the compressor is not
71 17 3.5 21 Ø1.6mm x 3 Ø1.6mm running when the unit is used in a very
snowy country, set this switch to ON.
The specifications shown in the above table are for units without heaters. For units with heaters, refer SW5-3,4 Trial operation Method of trial operation
to the installation instructions or the construction instructions of the indoor unit. 1. Trial operation can be performed by using
Switchgear of Circuit breaker capacity which is calculated from MAX. over current should be chosen SW5-3.
along the regulations in each country. 2. Cooling trial operation will be performed
when SW5-4 is OFF, and heating trial
The cable specifications are based on the assumption that a metal or plastic conduit is used with no operation when SW5-4 is ON.
more than three cables contained in a conduit and a voltage drop is 2%. For an installation falling 3. Be sure to turn OFF SW5-3 after the trial
outside of these conditions, please follow the internal cabling regulations. Adapt it to the regulation operation is finished.
in effect in each country.
Refer to installation manual or technical manual about usage of local setting switch.
Don't operate SW3-3,SW5-1,SW5-2,SW7,SW8
PCA001Z605
'11 • PAC-T-160
Item Description
Mark Color
CnA∼Z Connector
BK Black
CH Crankcase heater
POWER SOURCE 1∼220ー240V 50Hz/1∼220V 60Hz BL Blue
TB DH Drain pan heater
TB
RD
F(30A)
L1i
F(8A)
RD
BR Brown
L1 1 1 CM Compressor motor
N
WH
Ni NOISE FILTER 2
WH
2 TO INDOOR UNIT GN Green
E GN
PWB3 CT Current sensor
[ ]
3
L1o No
E1 GN POWER WIRES 1 2
GR Gray
Y/GN SIGNAL WIRE 3
DM Diode module
F(4A) P Pink
RD
WH
OR Orange
CT SM1 SM2 FMO1 FMO2 FM01 Fan motor
RD Red
M M M M IPM Intelligent power module
DM WH White
L Reactor
+ -
Y Yellow
LED1 Indication lamp(GREEN)
WH
WH
WH
WH
OR
OR
OR
OR
RD
RD
RD
RD
BR
BR
BL
BL
BL
BL
Y/GN Yellow/Green
Y
RD
Indication lamp(RED)
BL
LED2
WH
WH
6 4 3 2 1 6 4 3 2 1 7 6 5 4 1 7 6 5 4 1
RD
BL
P1 N1 CNW CNW2 CNEEV1 CNEEV2 CNFAN1 CNFAN2 LPT Low pressure sensor
(BK) (OR) (WH) (RD) (WH) (WH)
INVERTER CNI2 BL CNI1
PWB2 (WH) (WH) SM1 Expansion valve for cooling
CONTROL
IPM CNI4
(WH)
BL CNI3
(WH) PWB1 SM2 Expansion valve for heating
ON ON
U V W P2 N2
CNACT1
(WH) P N2
52X1 52X3 OFF OFF SW1 Pump down switch
1 2 3 4 1 2 3 4
52X2
LED1 LED2 SW3 SW5 SW1 SW3,5 Local setting switch
RD
RD
BK
WH
BL
BL
RD
BL
RD
V W
+ - BL CNA2 TB Terminal block
U (WH)
MS RD
3∼ A/F MODULE P +
BL CNA1 CNF CNR CNS CNH CNTH CNIP CNPS CNB THo-A Thermistor(Outdoor air temp.)
GN N2 (WH) (BK) (WH) (RD) (BR) (WH) (Y) (WH) (RD)
L1 L2
THo-D Thermistor(Discharge pipe temp.)
CM
WH
WH
WH
RD
RD
RD
BR
BR
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BL
BL
Thermistor(IPM)
Y
Y
THo-P
t° t° t° t° t° t°
L DH CH 20S THo-R1,2 Thermistor(Heat exchanger pipe temp. )
'11 • PAC-T-160
more than three cables contained in a conduit and a voltage drop is 2%. For an installation falling
outside of these conditions, please follow the internal cabling regulations. Adapt it to the regulation
in effect in each country.
A
POWER SOURCE 3N∼380ー415V 50Hz Item Description
TB
L1 RD
L1i L1o RD CH Crankcase heater
WH WH
L2 L2i F(8A) L2o
L3 BL L3i L3o BL CM Compressor motor
N BK No BK 1 3
Ni
NOISE FILTER CT CnA∼Z Connector
CN1
PWB3 52C R5
CT Current sensor
Y/GN
Y/GN
2 4
CN2-1 INVERTER
C3 DH Drain pan heater
RD
BL
PWB2
T12 GN AC1 AC2 AC3
G
GN DM Diode module
RD CNR
R5 DM K
BK (WH)
F Fuse
RD
U
RD
L
R2
RD RD RD
TB5 U RD U
L Reactor
+ P
R3 C1 IPM V WH V MS LED1 Indication lamp(GREEN)
3∼
BL W
THo-P THo-R2 THo-A THo-S THo-D THo-R1
WH
W
LED2 Indication lamp(RED)
t° t° t° t° t° t° 52C LPT +
R4 C2
CM LPT Low pressure sensor
BL BL
TB6
SM1 Expansion valve for cooling
WH
WH
WH
RD
RD
RD
BK
BK
BK
BK
BK
BK
BK
BK
BK
RD
BK
Y
Y
BL
BK
N
CNW CNIP CNB CNTH CNM CNPS
SM2 Expansion valve for heating
TB
TO INDOOR UNIT 1 RD (BK) (Y) (RD) (WH) (GR) (WH) CNI 3
18V RD
SW1 Pump down switch
BK 15V CNW1
[ POWER
SIGNAL WIRE ]
2 CNW2 BK (WH)
WIRES 1 2 3 BL (OR) CONTROL SW3,5 Local setting switch
3 PWB1
CNI1 BL CNI2 TB Terminal block
(WH) (WH)
DH WH
THo-A Thermistor(Outdoor air temp.)
Optional CNF
WH (BK) 52X1 52X3
1 2 3 4 1 2 3 4 CNA1
RD RD
CNO1 THo-D Thermistor(Discharger pipe temp.)
(WH) BL BL (RD)
BK
52X6 52X2 LED1 LED2 SW3 SW5 SW1 THo-R1,2 Thermistor(Heat exchanger pipe temp. )
Thermistor(Suction pipe temp.)
CNH
BK (BR)
CNA2
RD THo-S
Thermistor(IPM)
CNR CNS CNEEV1 CNEEV2 CNFAN1 CNFAN2 (WH) BL
(WH) (RD) (WH) (RD) (WH) (WH) THo-P
63H1 1 2 3 4 6 1 2 3 4 6 1 4 5 6 7 1 4 5 6 7 20S Solenoid valve for 4 way valve
BR
BR
BL
BL
WH
WH
52C Relay
WH
WH
OR
OR
RD
RD
BR
BR
OR
OR
BL
BL
RD
RD
BL
BL
Y
M M M M
52X2 Auxilliary relay(for DH)
31 -
Switchgear of Circuit breaker capacity which is calculated from MAX. over current should be chosen
along the regulations in each country.
The cable specifications are based on the assumption that a metal or plastic conduit is used with no
more than three cables contained in a conduit and a voltage drop is 2%. For an installation falling
outside of these conditions, please follow the internal cabling regulations. Adapt it to the regulation
'11 • PAC-T-160
in effect in each country.
A
POWER SOURCE 1∼220ー240V 50Hz/1∼220V 60Hz Item Description
TB F(30A) F(8A)
TB CnA∼Z Connector
RD L1i RD
L1 1 1
WH WH TO INDOOR UNIT CH Crankcase heater
N Ni NOISE FILTER 2
E GN
2
PWB3
[ POWER
SIGNAL WIRE ]
CM Compressor motor
3
L1o No
E1 GN WIRES 1 2
GN 3
CT Current sensor
RD
WH
CT SM1 SM2 FMO1
F Fuse
M M M
WH
WH
WH
OR
OR
OR
RD
RD
RD
BR
BR
BR
BL
BL
BL
Y
Y
RD
BL
LED1 Indication lamp(GREEN)
WH
WH
6 5 4 3 2 1 6 5 4 3 2 1 7 6 5 4 1
RD
BL
CNW CNW2
Indication lamp(RED)
P1 N1 CNEEV1 CNEEV2 CNFAN1
(BK) (OR) (WH) (RD) (WH) LED2
INVERTER CNI2 BL CNI1
PWB2 (WH) (WH)
LPT Low pressure sensor
CONTROL
IPM CNI4
(WH)
BL CNI3
(WH) PWB1 SM1 Expansion valve for cooling
ON ON
U V W P2 N2
CNACT1
(WH) P N2
52X1 52X3 OFF OFF Mark Color SM2 Expansion valve for heating
1 2 3 4 1 2 3 4
LED1 LED2 SW3 SW5 SW1 BK Black SW1 Pump down switch
RD
RD
BK
WH
BL
BL
RD
BL
RD
V W
+ - BL CNA2 BL Blue SW3,5 Local setting switch
U (WH)
MS RD
3∼ A/F MODULE P +
BL CNA1 CNR CNS CNH CNTH CNPS CNB
BR Brown TB Terminal block
N2 (WH) CNIP
L1 L2 (WH) (RD) (BR) (WH) (Y) (WH) (RD)
GN Green THo-A Thermistor(Outdoor air temp.)
CM
WH
RD
RD
RD
BR
BR
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BL
BL
Y
Y
GR Gray THo-D Thermistor(Discharge pipe temp.)
t° t° t° t° t° t°
L CH 20S P Pink THo-IPM Thermistor(IPM)
LPT OR Orange THo-R1,2 Thermistor(Heat exchanger pipe temp. )
63H1 THo-R1 THo-D THo-S THo-A THo-IPM THo-R2
RD Red THo-S Thermistor(Suction pipe temp.)
WH White 20S Solenoid valve for 4 way valve
-
Power cable, indoor-outdoor connecting wires Y/GN Yellow/Green 52X3 Auxilliary relay(for 20S)
Model MAX over current Power cable size Power cable length indoor-outdoor Earth wire size 63H1 High pressure switch
(A) (mm 2 ) (m) wire size x number (mm 2) Local setting switch SW3(Set up at shipment OFF)
(mm 2 ) The defrosting operation interval becomes shorter
SW3-1 Defrost control change by turning ON this switch. This switch should be
100 turned ON in the area where outside temperature
becomes below the freezing point.
125 24 5.5 25 Ø1.6mm x 3 Ø1.6mm
When this switch is turned ON, the outdoor unit
140 fan will run for 30 seconds in every 10 minutes,
SW3-2 Snow guard fan control when outdoor temperature falls to 3 or lower and
At the connection with the duct type indoor unit. the compressor is not runnning when the unit is used
in a very snowy country, set this switch to ON.
Model MAX over current Power cable size Power cable length indoor-outdoor Earth wire size Method of trial operation
(A) (mm 2) (m) wire size x number (mm 2 ) 1 Trial operation can be performed by using SW3-3,4.
(mm 2) 2 Compressor will be in the operation when
SW3-3 is ON.
100 25 24 SW3-3,4 Trial operation 3 Cooling trial operation will be performed when
5.5
Ø1.6mm x 3 Ø1.6mm SW3-4 is OFF, and heating trial operation when
125 27 22 SW3-4 is ON.
140 28 8 32 4 Be sure to turn OFF SW3-3 after the trial operation
is finished.
The specifications shown in the above table are for units without heaters. For units with heaters, refer
to the installation instructions or the construction instructions of the indoor unit.
Switchgear of Circuit breaker capacity which is calculated from MAX. over current should be chosen
along the regulations in each country.
PCA001Z539
The cable specifications are based on the assumption that a metal or plastic conduit is used with no
'11 • PAC-T-160
more than three cables contained in a conduit and a voltage drop is 2%. For an installation falling
outside of these conditions, please follow the internal cabling regulations. Adapt it to the regulation
in effect in each country.
Item Description
POWER SOURCE 3N∼380ー415V 50Hz
CnA∼Z Connector
TB
L1
RD
L1i L1o
RD CH Crankcase heater
WH WH
L2 L2i F(8A) L2o
L3
BL
BK
L3i L3o
BL
BK 1 3
CM Compressor motor
N Ni No
NOISE FILTER CT CT Current sensor
CN1
GN
PWB3 52C
INVERTER DM Diode module
GN
CN2-1 2 4
PWB2
RD
BL
T12 GN
AC1 AC2 AC3 GN
F Fuse
G
RD CNR
Va5
+4 -6 RD U
R1
U IPM Intelligent power module
IPM WH V MS
U L
3∼ L Reactor
RD
RD RD RD
V
RD
TB5
BL
W
+ P
R2
R3 C1 W LED1 Indication lamp(GREEN)
CM
+
WH
LED2 Indication lamp(RED)
R4 C2
WH
WH
RD
WH
RD
RD
BK
BK
BK
BK
BK
BK
BK
BK
BK
Y
Y
RD
BK
BL
BK
BL
CNO1 P Pink THo-D Thermistor(Discharger pipe temp.)
(WH) BL (RD)
LED1 LED2 SW1
Thermistor(IPM)
52X6
BK
CNH
SW3 SW5
OR Orange THo-IPM
BK (BR) RD
63H1 1 2 3 4 5 6 1 2 3 4 5 6 1 4 5 6 7
WH White THo-S Thermistor(Suction pipe temp.)
BR
BR
BL
BL
WH
WH
WH
OR
RD
BR
BL
OR
OR
RD
RD
BR
BR
BL
BL
Y Yellow
Y
CH 20S
52X1 Auxilliary relay(for CH)
-
M M M Y/GN Yellow/Green
52X3 Auxilliary relay(for 20S)
33 -
The specifications shown in the above table are for units without heaters. For units with heaters, refer
to the installation instructions or the construction instructions of the indoor unit.
Switchgear of Circuit breaker capacity which is calculated from MAX. over current should be chosen
along the regulations in each country.
PCA001Z540
The cable specifications are based on the assumption that a metal or plastic conduit is used with no
more than three cables contained in a conduit and a voltage drop is 2%. For an installation falling
'11 • PAC-T-160
outside of these conditions, please follow the internal cabling regulations. Adapt it to the regulation
in effect in each country.
Item Description
POWER SOURCE 3∼380ー415V 50Hz/380V 60Hz
CnA∼Z Connector
TB TB
F(10A)
L1 RD
RD
RD
1 TO INDOOR UNIT CH Crankcase heater
WH BK
L2 2
CM Compressor motor
L3
N
BL
BK
BK
3
[POWER WIRES
SIGNAL WIRE ] 1
3
2
CT Current sensor
GN DM Diode module
L1i L2i L3i Ni SM1 SM2 FMO1 FMO2 F Fuse
NOISE FILTER
WH
WH
L Reactor
RD
RD
RD
BK
BL
WH
WH
WH
WH
OR
OR
OR
OR
RD
RD
RD
RD
BR
BR
BR
BR
BL
BL
BL
BL
Y
Y
LED1 Indication lamp(GREEN)
WH
6 5 4 3 2 1 6 5 4 3 2 1 7 6 5 4 1 7 6 5 4 1
RD
BK
BK
BL
CT
CNW CNW2 CNEEV1 CNEEV2 CNFAN1 CNFAN2 LED2 Indication lamp(RED)
(BK) (OR) (WH) (RD) (WH) (WH)
BL
RD
SM1 Expansion valve for cooling
R5 AC1 AC2 AC3 CNW1 CNO1
(WH) CNA1 ON ON
+4
DM
(RD) BL (WH)
RD 52X1 52X3 52X6 OFF OFF Mark Color SM2 Expansion valve for heating
BL -6 DC FAN CNO2 CNA2 1 2 3 4 1 2 3 4
PWB4 (RD) BL
(WH) LED1 LED2 SW1 BK Black SW1 Pump down switch
SW3 SW5
SW3,5 Local setting switch
GN
BK
L BL Blue
BR Brown TB Terminal block
INVERTER CNI3 CNI1 CNR CNS CNM CNH CNU CNB CNTH CNIP CNPS
P2
PWB2
(WH) (WH) (WH) (RD) (GR) (BR) (BL) (RD) (WH) (Y) (WH)
GR Gray THo-A Thermistor(Outdoor air temp.)
P3
Thermistor(Discharge pipe temp.)
WH
RD
RD
RD
BR
BR
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
BK
THo-D
BL
BL
BL
BL
N2 IPM
Y
Y
P Pink
P N U V W
Thermistor(IPM)
t° t° t° t° t° t° t°
CH 20S 52X OR Orange THo-IPM
WH
BR
52X3
52X6 Auxilliary relay(for 52X)
Power cable, indoor-outdoor connecting wires Local setting switch SW3(Set up at shipment OFF) 63H1 High pressure switch
The defrosting operation interval becomes shorter
Model MAX over current Power cable size Power cable length indoor-outdoor Earth wire size by turning ON this switch. This switch should be
(A) (mm 2 ) (m) wire size x number (mm 2) SW3-1 Defrost control change
turned ON in the area where outside temperature
(mm 2 ) becomes below the freezing point.
200 19 3.5 21 When this switch is turned ON, the outdoor unit
Ø1.6mm x 3 Ø1.6mm fan will run for 30 seconds in every 10 minutes,
280 22 5.5 31 SW3-2 Snow guard fan control when outdoor temperature falls to 3 or lower and
the compressor is not runnning when the unit is used
in a very snowy country, set this switch to ON.
At the connection with the duct type indoor unit. Method of trial operation
1 Trial operation can be performed by using SW3-3,4.
Model MAX over current Power cable size Power cable length indoor-outdoor Earth wire size 2 Compressor will be in the operation when
(A) (mm 2) (m) wire size x number (mm 2 ) SW3-3 is ON.
(mm 2) SW3-3,4 Trial operation 3 Cooling trial operation will be performed when
SW3-4 is OFF, and heating trial operation when
200 24 29 SW3-4 is ON.
5.5 Ø1.6mm x 3 Ø1.6mm
280 27 26 4 Be sure to turn OFF SW3-3 after the trial operation
is finished.
The specifications shown in the above table are for units without heaters. For units with heaters, refer
to the installation instructions or the construction instructions of the indoor unit.
Switchgear of Circuit breaker capacity which is calculated from MAX. over current should be chosen
along the regulations in each country.
PCA001Z541
The cable specifications are based on the assumption that a metal or plastic conduit is used with no
'11 • PAC-T-160
more than three cables contained in a conduit and a voltage drop is 2%. For an installation falling
outside of these conditions, please follow the internal cabling regulations. Adapt it to the regulation
in effect in each country.
'11 • PAC-T-160
4. NOISE LEVEL
Notes (1) The data are based on the following conditions.
Ambient air temperature: Indoor unit 27℃WB. Outdoor unit 35℃DB.
(2) The data in the chart are measured in an anechoic room.
(3) The noise levels measured in the field are usually higher than the data because of reflection.
50 50 50 50
N50 N50
40 40 40 40
N40 N40
30 30 30 30
N30 N30
20 20 20 20
N10 N20 N10 N20
10 10 10 10
63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000
Mid Octave Band Frequency (Hz) Mid Octave Band Frequency (Hz)
Cooling noise level 51 dB (A) Heating noise level 48 dB (A) Cooling noise level 48 dB (A)
70 70 70 70 70 70
N70 N70 N70
Souud Pressure Level
(standard 2×10-5Pa)
(standard 2×10-5Pa)
60 60 60 60 60 60
N60 N60 N60
50 50 50 50 50 50
N50 N50 N50
40 40 40 40 40 40
N40 N40 N40
30 30 30 30 30 30
N20 N30 N20 N30 N20 N30
20 20 20 20 20 20
63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000
Mid Octave Band Frequency (Hz) Mid Octave Band Frequency (Hz) Mid Octave Band Frequency (Hz)
Heating noise level 50 dB (A) Cooling noise level 48 dB (A) Heating noise level 50 dB (A)
70 70 70 70 70 70
N70 N70 N70
Souud Pressure Level
Souud Pressure Level
Souud Pressure Level
(standard 2×10-5Pa)
(standard 2×10-5Pa)
(standard 2×10-5Pa)
60 60 60 60 60 60
N60 N60 N60
50 50 50 50
N50
50 50
N50
N50
40 40 40 40
N40 40 40 N40
N40
30 30 30 30
N30 30 30 N20 N30
N20
N20 N30 20 20
20 20
63 125 250 500 1000 2000 4000 8000 20 20 63 125 250 500 1000 2000 4000 8000
Mid Octave Band Frequency (Hz) 63 125 250 500 1000 2000 4000 8000 Mid Octave Band Frequency (Hz)
Mid Octave Band Frequency (Hz)
- 35 -
'11 • PAC-T-160
(standard 2×10-5Pa)
(standard 2×10-5Pa)
60 60 60 60
N60 N60
50 50 50 50
N50 N50
40 40 40 40
N40 N40
30 30 30 30
N20 N30 N20 N30
20 20 20 20
63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000
Mid Octave Band Frequency (Hz) Mid Octave Band Frequency (Hz)
Noise level 49 dB (A) Cooling noise level 50 dB (A) Heating noise level 51 dB (A)
70 70 70 70 70 70
N70 N70 N70
Souud Pressure Level
(standard 2×10-5Pa)
(standard 2×10-5Pa)
(standard 2×10-5Pa)
60 60 60 60 60 60
N60 N60 N60
50 50 50 50 50 50
N50 N50 N50
40 40 40 40 40 40
N40 N40 N40
30 30 30 30 30 30
N30 N20 N30 N20 N30
N20
20 20 20 20 20 20
63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000
Mid Octave Band Frequency (Hz) Mid Octave Band Frequency (Hz) Mid Octave Band Frequency (Hz)
N70
(standard 2×10-5Pa)
(standard 2×10-5Pa)
60 60 60 60
N60
N60
50 50 50 50
N50 N50
40 40 40 40
N40 N40
30 30 30 30
N20 N30 N20 N30
20 20 20 20
63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000
Mid Octave Band Frequency (Hz) Mid Octave Band Frequency (Hz)
60 60 60 60
N60 N60
50 50 50 50
N50 N50
40 40 40 40
N40 N40
30 30 30 30
N20 N30 N20 N30
20 20 20 20
63 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000
Mid Octave Band Frequency (Hz) Mid Octave Band Frequency (Hz)
- 36 -
'11 • PAC-T-160
5. TEMPERATURE DISTRIBUTION
Indoor temperature
Cooling 27˚CDB/19˚CWB
Heating 20˚CDB
Note:
These figures represent the typical main range of temperature and velocity distribution at the center of air outlet within the published conditions.
In the actual installation, they may differ from the typical figures under the influence of air temperature conditions, ceiling height, operation conditions and obstacles.
18℃ 24℃
1.67m
Unit
20℃
22℃
24℃
26℃
8m
38℃ 34℃
36℃ 32℃
1.67m
Unit
30℃
28℃
26℃
8m
- 37 -
'11 • PAC-T-160
6. PIPING SYSTEM
(1) Single type
Models 71, 100, 125, 140
Electronic Electronic
expansion valve expansion valve
(cooling)(EEVC) (heating)(EEVH)
Receiver
Service valve
(Flare connecting) Strainer Strainer Strainer Strainer
Diameter joint Liquid
of different branch pipe
(50,60 only) Electronic Electronic
(ø9.52) expansion valve expansion valve
(cooling)(EEVC) (heating)(EEVH)
Receiver
Indoor unit Indoor unit Outdoor unit Cooling cycle Heating cycle
Check joint 4way valve Thermistor
Muffler (ThO-A)
Gas line
Service valve
Flare connecting (Flare connecting)
Check joint
High pressure
Thermistor switch Lower pressure
(Heat exchanger) sensor
63H Check
(ThI-R3) valve (LPT)
Thermistor Oil
(Return air) separator Heat exchanger
(ThI-A)
Strainer Thermistor
Heat exchanger Thermistor (ThO-S)
(ThO-D)
Thermistor
(Heat exchanger)
Capillaly (Discharge) Thermistor Thermistor
(ThI-R2) tube (ThO-R2)
(ThO-R1)
Compressor
Thermistor (Suction)
(Heat exchanger)
(ThI-R1) Thermistor
Sub-cooling
Flare connecting Check joint (ThO-H) coil
٨Refrigerant
Receiver
line (one way) pipe size
Model Gas line Liquid line
In case of ø9.52 : 40m
200 In case of ø22.22 : 35m
In case of ø12.7 : 70m
In case of ø25.4 or ø28.58 : 70m
250 In case of ø12.7 : 70m
- 39 -
'11 • PAC-T-160
Thermistor
OFF 63˚C
(for protection over-
ON 56˚C
loading in heating)
ThI-R Indoor unit
Thermistor OFF 1.0˚C
(for frost prevention) ON 10˚C
Thermistor
Tho-R OFF 51˚C
(for protection high Outdoor unit
(TH1) ON 65˚C
pressure in cooling.)
Thermistor
Tho-D OFF 115˚C OFF 135˚C
(for detecting dis- Outdoor unit
(TH3) ON 85˚C ON 90˚C
charge pipe temp.)
- 40 -
'11 • PAC-T-160
Considering to get sufficient heating capacity, the area where the averaged lowest ambient
Recommendable area to install
air temperature in day time during winter is above 0˚C, and it has no accumulation of snow.
Installation site The limitations of installation space are shown in the page for exterior dimensions.
PGA000Z784 A
- 41 -
'11 • PAC-T-160
㪌㪇
͠&$
㪋㪇
temperature㩿㷄㪛㪙㪀
㪉㪇
㪈㪇
㪄㪈㪇
͠&$
㪄㪉㪇
㪈㪇 㪈㪉 㪈㪋 㪈㪍 㪈㪏 㪉㪇 㪉㪉 㪉㪋 㪉㪍
Indoor air temperature㩿㷄㪮㪙㪀
عHeating
㪊㪇
temperature㩿㷄㪛㪙㪀
㪉㪌
Indoor air
㪌
㪄㪉㪌 㪄㪉㪇 㪄㪈㪌 㪄㪈㪇 㪄㪌 㪇 㪌 㪈㪇 㪈㪌 㪉㪇 㪉㪌
Outdoor air temperature㩿㷄㪮㪙㪀
Decline in cooling and heating capacity or operation stop may occur when the outdoor unit is installed in
places where natural wind can increase or decrease its design airflow rate.
PGA000Z784 A
- 42 -
Limitation on unit and piping installation - single, twin.
Marks appearing in the drawing
Descriptions Models for outdoor unit Dimensional limitations
Single type Twin type
FDC71VNX
≦ 50m
FDC100・125・140VN, FDC100・125・140VS L
L+L1+L2
FDC100・125・140VNX, FDC100・125・140VSX ≦ 100m
One-way pipe length Ǿ9 .5 2 ≦ 40m
FDC200VS Liquid piping
Ǿ12.7 L+L1
≦ 70m
FDC200VS Ǿ25.4 or Ǿ28.58 L+L2
Gas piping
FDC250VS Ǿ2 2 .2 2 ≦ 35m
FDC100・125・140VNX, FDC100・125・140VSX ≦ 100m
FDC100・125・140VN, FDC100・125・140VS ≦ 50m
Ǿ9 .5 2 ≦ 40m
Main pipe length FDC200VS Liquid piping L
Ǿ12.7
≦ 70m
FDC200VS Ǿ25.4 or Ǿ28.58
Gas piping
FDC250VS Ǿ2 2 .2 2 ≦ 35m
FDC71VNX ≦ 20m
One-way pipe length after first branching
FDC100・125・140VNX, FDC100・125・140VSX L1,
L2
point ≦ 30m
FDC100・125・140VN, FDC100・125・140・200・250VS
L1-L2
Difference of pipe length after first branching point ≦ 10m
L2-L1
-
FDC71VNX
43 -
h
Indoor unit
Outdoor unit
H H
L L1 For Twin type
L2
PGA000Z784 A
Branch piping
Model for outdoor units
set (option)
FDC100・125・140VNX, FDC100・125・140VS
'11 • PAC-T-160
L(riser)
Outdoor unit DIS-WA1
FDC100・125・140VN, FDC100・125・140VS
8. SELECTION CHART
Correct the cooling and heating capacity in accordance with the operating conditions. The net cooling and heating capacity can be
obtained in the following way.
Net capacity = Capacity shown in the capacity tables (8.1) × Correction factors shown in he table (8.2) (8.3) (8.4).
Caution: In case that the cooling operation during low outdoor air temperature below -5°C is expected, install the outdoor unit
where it is not influenced by natural wind. Otherwise protection control by low pressure will be activated much more
frequently and it will cause insufficient capacity or breakdown of the compressor in worst case.
- 44 -
'11 • PAC-T-160
PGA000Z770
Model FDF125VNXVD Indoor unit FDF125VD Outdoor unit FDC125VNX
Cool Mode (kW) Heat Mode (kW)
Indoor air temperature Outdoor Indoor air temperature
Outdoor
18˚CDB 21˚CDB 23˚CDB 26˚CDB 27˚CDB 28˚CDB 31˚CDB 33˚CDB air temp. ˚CDB
air temp.
12˚CWB 14˚CWB 16˚CWB 18˚CWB 19˚CWB 20˚CWB 22˚CWB 24˚CWB ˚CDB ˚CWB 16 18 20 22 24
˚CDB TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC -19.8 -20 9.12 9.05 8.97 8.90 8.83
11 10.41 8.00 11.05 8.58 11.37 8.52 11.72 8.46 12.42 8.88 13.12 8.72 -17.7 -18 9.67 9.60 9.52 9.44 9.37
13 10.79 8.17 11.46 8.75 11.79 8.68 12.16 8.63 12.91 9.06 13.65 8.89 -15.7 -16 10.23 10.15 10.07 9.98 9.90
15 11.16 8.34 11.87 8.92 12.22 8.86 12.61 8.80 13.39 9.23 14.17 9.06 -13.5 -14 10.67 10.59 10.50 10.42 10.33
17 11.54 8.51 12.27 9.09 12.64 9.03 13.05 8.97 13.87 9.40 14.69 9.23 -11.5 -12 11.11 11.03 10.94 10.85 10.76
19 11.80 8.63 12.55 9.21 12.93 9.14 13.34 9.09 14.18 9.51 15.02 9.34 -9.5 -10 11.56 11.47 11.38 11.29 11.19
21 12.05 8.74 12.83 9.33 13.21 9.26 13.64 9.20 14.49 9.62 15.34 9.45 -7.5 -8 12.00 11.91 11.82 11.72 11.62
23 12.05 8.74 12.85 9.34 13.24 9.27 13.67 9.22 14.54 9.64 15.40 9.47 -5.5 -6 12.49 12.40 12.30 12.20 12.10
25 11.19 8.87 12.05 8.74 12.88 9.35 13.27 9.28 13.71 9.23 14.58 9.66 15.45 9.49 -3.0 -4 12.99 12.89 12.79 12.68 12.57
27 11.14 8.85 12.05 8.74 12.91 9.36 13.30 9.30 13.70 9.23 14.49 9.62 -1.0 -2 13.48 13.38 13.27 13.16 13.05
29 11.05 8.80 11.88 8.66 12.70 9.27 13.10 9.21 13.51 9.15 14.31 9.56 1.0 0 13.98 13.87 13.76 13.64 13.52
31 10.95 8.75 11.71 8.59 12.49 9.18 12.90 9.13 13.31 9.07 14.13 9.49 2.0 1 14.22 14.11 14.00 13.88 13.76
33 10.26 8.22 10.73 8.64 11.53 8.50 12.29 9.10 12.70 9.05 13.11 8.99 13.94 9.42 3.0 2 14.22 14.11 14.00 13.88 13.76
35 9.71 7.93 10.39 8.48 11.36 8.43 12.08 9.01 12.50 8.97 12.92 8.92 13.76 9.36 5.0 4 14.22 14.11 14.00 13.88 13.76
37 9.60 7.88 10.22 8.40 11.15 8.33 11.86 8.92 12.26 8.87 12.67 8.82 13.47 9.25 7.0 6 14.22 14.11 14.00 13.88 13.77
39 9.48 7.82 10.05 8.32 10.94 8.24 11.64 8.82 12.03 8.78 12.41 8.72 13.18 9.15 9.0 8 14.81 14.70 14.59 14.47 14.35
41 9.36 7.75 9.89 8.24 10.74 8.15 11.42 8.73 11.79 8.68 12.16 8.63 12.89 9.05 11.5 10 15.41 15.29 15.18 15.06 14.94
43 9.25 7.70 9.72 8.16 10.53 8.05 11.21 8.65 11.55 8.59 11.90 8.53 12.60 8.95 13.5 12 16.22 16.09 15.97 15.85 15.90
Note(1) These data show average status. 15.5 14 17.03 16.90 16.76 16.65 16.86
Depending on the system control, there may be ranges where the operation is not conducted continuously. 16.5 16 17.44 17.30 17.16 17.04 17.34
These data show the case where the operation frequency of a compressor is fixed.(Cooling only)
(2) Capacities are based on the following conditions. PGA000Z770
Corresponding refrigerant piping length :7.5m
Level difference of Zero.
(3) Symbols are as follows
TC :Total cooling capacity (kW)
SHC :Sensible heat capacity (kW)
- 45 -
'11 • PAC-T-160
- 46 -
'11 • PAC-T-160
PGA000Z770
Model FDF125VSXVD Indoor unit FDF125VD Outdoor unit FDC125VSX
Cool Mode (kW) Heat Mode (kW)
Indoor air temperature Outdoor Indoor air temperature
Outdoor
18˚CDB 21˚CDB 23˚CDB 26˚CDB 27˚CDB 28˚CDB 31˚CDB 33˚CDB air temp. ˚CDB
air temp.
12˚CWB 14˚CWB 16˚CWB 18˚CWB 19˚CWB 20˚CWB 22˚CWB 24˚CWB ˚CDB ˚CWB 16 18 20 22 24
˚CDB TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC -19.8 -20 14.11 14.00 13.89 13.78 13.66
11 10.41 8.00 11.05 8.58 11.37 8.52 11.72 8.46 12.42 8.88 13.12 8.72 -17.7 -18 14.17 14.06 13.94 13.83 13.72
13 10.79 8.17 11.46 8.75 11.79 8.68 12.16 8.63 12.91 9.06 13.65 8.89 -15.7 -16 14.23 14.11 14.00 13.89 13.77
15 11.16 8.34 11.87 8.92 12.22 8.86 12.61 8.80 13.39 9.23 14.17 9.06 -13.5 -14 14.23 14.11 14.00 13.89 13.77
17 11.54 8.51 12.27 9.09 12.64 9.03 13.05 8.97 13.87 9.40 14.69 9.23 -11.5 -12 14.22 14.11 14.00 13.89 13.77
19 11.80 8.63 12.55 9.21 12.93 9.14 13.34 9.09 14.18 9.51 15.02 9.34 -9.5 -10 14.22 14.11 14.00 13.89 13.77
21 12.05 8.74 12.83 9.33 13.21 9.26 13.64 9.20 14.49 9.62 15.34 9.45 -7.5 -8 14.22 14.11 14.00 13.89 13.77
23 12.05 8.74 12.85 9.34 13.24 9.27 13.67 9.22 14.54 9.64 15.40 9.47 -5.5 -6 14.22 14.11 14.00 13.88 13.77
25 11.19 8.87 12.05 8.74 12.88 9.35 13.27 9.28 13.71 9.23 14.58 9.66 15.45 9.49 -3.0 -4 14.22 14.11 14.00 13.88 13.77
27 11.14 8.85 12.05 8.74 12.91 9.36 13.30 9.30 13.70 9.23 14.49 9.62 -1.0 -2 14.22 14.11 14.00 13.88 13.76
29 11.05 8.80 11.88 8.66 12.70 9.27 13.10 9.21 13.51 9.15 14.31 9.56 1.0 0 14.22 14.11 14.00 13.88 13.76
31 10.95 8.75 11.71 8.59 12.49 9.18 12.90 9.13 13.31 9.07 14.13 9.49 2.0 1 14.22 14.11 14.00 13.88 13.76
33 10.26 8.22 10.73 8.64 11.53 8.50 12.29 9.10 12.70 9.05 13.11 8.99 13.94 9.42 3.0 2 14.22 14.11 14.00 13.88 13.76
35 9.71 7.93 10.39 8.48 11.36 8.43 12.08 9.01 12.50 8.97 12.92 8.92 13.76 9.36 5.0 4 14.22 14.11 14.00 13.88 13.76
37 9.60 7.88 10.22 8.40 11.15 8.33 11.86 8.92 12.26 8.87 12.67 8.82 13.47 9.25 7.0 6 14.22 14.11 14.00 13.88 13.77
39 9.48 7.82 10.05 8.32 10.94 8.24 11.64 8.82 12.03 8.78 12.41 8.72 13.18 9.15 9.0 8 14.81 14.70 14.59 14.47 14.35
41 9.36 7.75 9.89 8.24 10.74 8.15 11.42 8.73 11.79 8.68 12.16 8.63 12.89 9.05 11.5 10 15.41 15.29 15.18 15.06 14.94
43 9.25 7.70 9.72 8.16 10.53 8.05 11.21 8.65 11.55 8.59 11.90 8.53 12.60 8.95 13.5 12 16.22 16.09 15.97 15.85 15.90
Note(1) These data show average status. 15.5 14 17.03 16.90 16.76 16.65 16.86
Depending on the system control, there may be ranges where the operation is not conducted continuously. 16.5 16 17.44 17.30 17.16 17.04 17.34
These data show the case where the operation frequency of a compressor is fixed.(Cooling only)
(2) Capacities are based on the following conditions. PGA000Z770
Corresponding refrigerant piping length :7.5m
Level difference of Zero.
(3) Symbols are as follows
TC :Total cooling capacity (kW)
SHC :Sensible heat capacity (kW)
- 47 -
'11 • PAC-T-160
- 48 -
'11 • PAC-T-160
PGA000Z772
Model FDF125VNVD Indoor unit FDF125VD Outdoor unit FDC125VN
Cool Mode (kW) Heat Mode (kW)
Indoor air temperature Outdoor Indoor air temperature
Outdoor
18˚CDB 21˚CDB 23˚CDB 26˚CDB 27˚CDB 28˚CDB 31˚CDB 33˚CDB air temp. ˚CDB
air temp.
12˚CWB 14˚CWB 16˚CWB 18˚CWB 19˚CWB 20˚CWB 22˚CWB 24˚CWB ˚CDB ˚CWB 16 18 20 22 24
˚CDB TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC -19.8 -20 7.06 7.03 7.00 6.97 6.95
11 10.15 7.89 10.74 8.45 11.03 8.38 11.34 8.32 11.96 8.72 12.57 8.55 -17.7 -18 7.46 7.43 7.41 7.37 7.34
13 10.63 8.10 11.26 8.67 11.57 8.60 11.91 8.53 12.58 8.94 13.25 8.76 -15.7 -16 7.87 7.84 7.81 7.77 7.74
15 11.10 8.31 11.78 8.88 12.11 8.81 12.47 8.75 13.20 9.16 13.92 8.98 -13.5 -14 8.33 8.29 8.26 8.22 8.18
17 11.58 8.53 12.29 9.10 12.65 9.03 13.04 8.97 13.82 9.38 14.59 9.20 -11.5 -12 8.78 8.74 8.70 8.66 8.62
19 11.82 8.64 12.56 9.21 12.92 9.14 13.32 9.08 14.11 9.49 14.90 9.30 -9.5 -10 9.24 9.19 9.15 9.11 9.06
21 12.06 8.75 12.82 9.32 13.19 9.25 13.60 9.19 14.40 9.59 15.20 9.40 -7.5 -8 9.69 9.65 9.60 9.55 9.50
23 12.06 8.75 12.85 9.34 13.23 9.27 13.64 9.20 14.45 9.61 15.27 9.43 -5.5 -6 9.91 9.86 9.81 9.75 9.70
25 11.16 8.86 12.06 8.75 12.89 9.35 13.27 9.28 13.68 9.22 14.51 9.63 15.34 9.45 -3.0 -4 10.12 10.07 10.01 9.96 9.90
27 11.08 8.82 12.05 8.74 12.92 9.37 13.31 9.30 13.69 9.22 14.47 9.62 -1.0 -2 10.33 10.28 10.22 10.16 10.10
29 11.00 8.78 11.87 8.66 12.71 9.28 13.11 9.22 13.51 9.15 14.31 9.56 1.0 0 10.55 10.49 10.43 10.36 10.30
31 10.92 8.74 11.69 8.58 12.49 9.18 12.90 9.13 13.32 9.08 14.15 9.50 2.0 1 10.65 10.59 10.53 10.47 10.40
33 10.27 8.22 10.72 8.64 11.51 8.49 12.27 9.09 12.70 9.05 13.13 9.00 13.99 9.44 3.0 2 11.36 11.29 11.22 11.18 11.13
35 10.07 8.12 10.55 8.56 11.33 8.41 12.06 9.00 12.50 8.97 12.94 8.93 13.83 9.38 5.0 4 12.76 12.69 12.61 12.60 12.58
37 9.90 8.03 10.38 8.48 11.13 8.32 11.83 8.90 12.24 8.86 12.66 8.82 13.50 9.26 7.0 6 14.16 14.08 14.00 14.02 14.04
39 9.72 7.94 10.20 8.39 10.94 8.24 11.60 8.81 11.99 8.76 12.38 8.71 13.16 9.14 9.0 8 14.72 14.64 14.56 14.52 14.49
41 9.55 7.85 10.02 8.30 10.75 8.15 11.37 8.71 11.73 8.66 12.09 8.60 12.82 9.02 11.5 10 15.28 15.20 15.11 15.02 14.93
43 9.38 7.76 9.85 8.22 10.56 8.07 11.14 8.62 11.47 8.56 11.81 8.49 12.48 8.90 13.5 12 16.13 16.04 15.94 15.82 15.75
Note(1) These data show average status. 15.5 14 16.98 16.88 16.77 16.62 16.58
Depending on the system control, there may be ranges where the operation is not conducted continuously. 16.5 16 17.41 17.30 17.19 17.02 16.99
These data show the case where the operation frequency of a compressor is fixed.
(2) Capacities are based on the following conditions. PGA000Z772
Corresponding refrigerant piping length :7.5m
Level difference of Zero.
(3) Symbols are as follows
TC :Total cooling capacity (kW)
SHC :Sensible heat capacity (kW)
- 49 -
'11 • PAC-T-160
- 50 -
'11 • PAC-T-160
PGA000Z772
Model FDF125VSVD Indoor unit FDF125VD Outdoor unit FDC125VS
Cool Mode (kW) Heat Mode (kW)
Indoor air temperature Outdoor Indoor air temperature
Outdoor
18˚CDB 21˚CDB 23˚CDB 26˚CDB 27˚CDB 28˚CDB 31˚CDB 33˚CDB air temp. ˚CDB
air temp.
12˚CWB 14˚CWB 16˚CWB 18˚CWB 19˚CWB 20˚CWB 22˚CWB 24˚CWB ˚CDB ˚CWB 16 18 20 22 24
˚CDB TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC -19.8 -20 7.06 7.03 7.00 6.97 6.95
11 10.15 7.89 10.74 8.45 11.03 8.38 11.34 8.32 11.96 8.72 12.57 8.55 -17.7 -18 7.46 7.43 7.41 7.37 7.34
13 10.63 8.10 11.26 8.67 11.57 8.60 11.91 8.53 12.58 8.94 13.25 8.76 -15.7 -16 7.87 7.84 7.81 7.77 7.74
15 11.10 8.31 11.78 8.88 12.11 8.81 12.47 8.75 13.20 9.16 13.92 8.98 -13.5 -14 8.33 8.29 8.26 8.22 8.18
17 11.58 8.53 12.29 9.10 12.65 9.03 13.04 8.97 13.82 9.38 14.59 9.20 -11.5 -12 8.78 8.74 8.70 8.66 8.62
19 11.82 8.64 12.56 9.21 12.92 9.14 13.32 9.08 14.11 9.49 14.90 9.30 -9.5 -10 9.24 9.19 9.15 9.11 9.06
21 12.06 8.75 12.82 9.32 13.19 9.25 13.60 9.19 14.40 9.59 15.20 9.40 -7.5 -8 9.69 9.65 9.60 9.55 9.50
23 12.06 8.75 12.85 9.34 13.23 9.27 13.64 9.20 14.45 9.61 15.27 9.43 -5.5 -6 9.91 9.86 9.81 9.75 9.70
25 11.16 8.86 12.06 8.75 12.89 9.35 13.27 9.28 13.68 9.22 14.51 9.63 15.34 9.45 -3.0 -4 10.12 10.07 10.01 9.96 9.90
27 11.08 8.82 12.05 8.74 12.92 9.37 13.31 9.30 13.69 9.22 14.47 9.62 -1.0 -2 10.33 10.28 10.22 10.16 10.10
29 11.00 8.78 11.87 8.66 12.71 9.28 13.11 9.22 13.51 9.15 14.31 9.56 1.0 0 10.55 10.49 10.43 10.36 10.30
31 10.92 8.74 11.69 8.58 12.49 9.18 12.90 9.13 13.32 9.08 14.15 9.50 2.0 1 10.65 10.59 10.53 10.47 10.40
33 10.27 8.22 10.72 8.64 11.51 8.49 12.27 9.09 12.70 9.05 13.13 9.00 13.99 9.44 3.0 2 11.36 11.29 11.22 11.18 11.13
35 10.07 8.12 10.55 8.56 11.33 8.41 12.06 9.00 12.50 8.97 12.94 8.93 13.83 9.38 5.0 4 12.76 12.69 12.61 12.60 12.58
37 9.90 8.03 10.38 8.48 11.13 8.32 11.83 8.90 12.24 8.86 12.66 8.82 13.50 9.26 7.0 6 14.16 14.08 14.00 14.02 14.04
39 9.72 7.94 10.20 8.39 10.94 8.24 11.60 8.81 11.99 8.76 12.38 8.71 13.16 9.14 9.0 8 14.72 14.64 14.56 14.52 14.49
41 9.55 7.85 10.02 8.30 10.75 8.15 11.37 8.71 11.73 8.66 12.09 8.60 12.82 9.02 11.5 10 15.28 15.20 15.11 15.02 14.93
43 9.38 7.76 9.85 8.22 10.56 8.07 11.14 8.62 11.47 8.56 11.81 8.49 12.48 8.90 13.5 12 16.13 16.04 15.94 15.82 15.75
Note(1) These data show average status. 15.5 14 16.98 16.88 16.77 16.62 16.58
Depending on the system control, there may be ranges where the operation is not conducted continuously. 16.5 16 17.41 17.30 17.19 17.02 16.99
These data show the case where the operation frequency of a compressor is fixed.
(2) Capacities are based on the following conditions. PGA000Z772
Corresponding refrigerant piping length :7.5m
Level difference of Zero.
(3) Symbols are as follows
TC :Total cooling capacity (kW)
SHC :Sensible heat capacity (kW)
- 51 -
'11 • PAC-T-160
- 52 -
'11 • PAC-T-160
PGA000Z772
Model FDF250VSPVD Indoor unit FDF125VD (2 units) Outdoor unit FDC250VS
Cool Mode (kW) Heat Mode (kW)
Indoor air temperature Outdoor Indoor air temperature
Outdoor
18˚CDB 21˚CDB 23˚CDB 26˚CDB 27˚CDB 28˚CDB 31˚CDB 33˚CDB air temp. ˚CDB
air temp.
12˚CWB 14˚CWB 16˚CWB 18˚CWB 19˚CWB 20˚CWB 22˚CWB 24˚CWB ˚CDB ˚CWB 16 18 20 22 24
˚CDB TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC -19.8 -20
11 21.71 16.40 23.02 17.54 23.67 17.40 24.38 17.28 25.79 18.10 27.21 17.76 -17.7 -18
13 22.38 16.70 23.74 17.84 24.42 17.70 25.16 17.58 26.63 18.40 28.11 18.05 -15.7 -16
15 23.04 17.00 24.46 18.14 25.17 18.01 25.94 17.88 27.48 18.70 29.02 18.35 -13.5 -14 16.52 16.47 16.43 16.39 16.35
17 23.70 17.30 25.18 18.45 25.92 18.31 26.72 18.19 28.32 19.01 29.92 18.65 -11.5 -12 17.39 17.34 17.29 17.24 17.19
19 24.19 17.53 25.70 18.67 26.45 18.53 27.27 18.40 28.89 19.22 30.52 18.85 -9.5 -10 18.26 18.21 18.15 18.09 18.04
21 24.26 17.56 26.22 18.90 26.99 18.76 27.82 18.63 29.47 19.43 31.12 19.05 -7.5 -8 19.14 19.07 19.01 18.94 18.88
23 24.13 17.50 26.07 18.83 26.84 18.69 27.65 18.56 29.28 19.36 30.91 18.98 -5.5 -6 19.55 19.47 19.40 19.32 19.24
25 21.69 17.40 24.00 17.44 25.92 18.77 26.68 18.63 27.49 18.49 29.10 19.29 30.71 18.91 -3.0 -4 19.95 19.87 19.78 19.70 19.61
27 21.60 17.36 23.88 17.38 25.77 18.70 26.53 18.57 27.29 18.41 28.80 19.18 -1.0 -2 20.36 20.26 20.17 20.07 19.98
29 21.42 17.27 23.56 17.24 25.39 18.54 26.15 18.41 26.91 18.26 28.43 19.05 1.0 0 20.77 20.66 20.55 20.45 20.35
31 21.24 17.18 23.24 17.09 25.00 18.37 25.77 18.25 26.53 18.11 28.06 18.91 2.0 1 20.97 20.86 20.74 20.64 20.53
33 20.58 16.47 21.29 17.21 22.92 16.94 24.61 18.21 25.38 18.09 26.15 17.96 27.69 18.78 3.0 2 22.45 22.32 22.19 22.07 21.95
35 20.17 16.25 20.96 17.05 22.60 16.80 24.23 18.05 25.00 17.94 25.77 17.81 27.31 18.64 5.0 4 25.42 25.26 25.10 24.95 24.80
37 19.83 16.08 20.62 16.88 22.20 16.62 23.73 17.84 24.47 17.72 25.21 17.60 26.69 18.42 7.0 6 28.38 28.19 28.00 27.82 27.65
39 19.49 15.90 20.29 16.73 21.80 16.44 23.22 17.62 23.93 17.51 24.64 17.38 26.06 18.20 9.0 8 29.28 29.10 28.91 28.60 28.28
41 19.15 15.73 19.96 16.57 21.41 16.27 22.72 17.42 23.40 17.29 24.08 17.16 25.43 17.97 11.5 10 30.18 30.00 29.83 29.37 28.91
43 18.81 15.56 19.63 16.41 21.01 16.09 22.22 17.21 22.86 17.08 23.51 16.94 24.81 17.76 13.5 12 31.76 31.55 31.33 30.97 30.53
15.5 14 33.34 33.09 32.84 32.57 32.15
Note(1) These data show average status.
Depending on the system control, there may be ranges where the operation is not conducted continuously. 16.5 16 34.13 33.86 33.59 33.37 32.96
These data show the case where the operation frequency of a compressor is fixed.
(2) Capacities are based on the following conditions. PGA000Z772
Corresponding refrigerant piping length :7.5m
Level difference of Zero.
(3) Symbols are as follows
TC :Total cooling capacity (kW)
SHC :Sensible heat capacity (kW)
- 53 -
'11 • PAC-T-160
8.2 Correction of cooling and heating capacity in relation to air flow rate control
(fan speed)
Fan speed P-Hi or Hi Me Lo
Coefficient 1.00 0.97 0.95
8.3 Correction of cooling and heating capacity in relation to one way length of
refrigerant piping
It is necessary to correct the cooling and heating capacity in relation to the one way equivalent piping length between the indoor
and outdoor units.
(1) Models 71 ~ 140
Equivalent piping length (1) (m) 7.5 10 15 20 25 30 35 40 45 50 55
Heating 1 1 1 1 1 0.998 0.998 0.993 0.993 0.988 0.988
71 model 1 0.996 0.989 0.982 0.975 0.968 0.961 0.954 0.947 0.940 0.933
100 model 1 0.991 0.978 0.964 0.951 0.937 0.924 0.910 0.897 0.883 0.870
φ15.88
125 model 1 0.986 0.968 0.950 0.932 0.914 0.896 0.878 0.860 0.842 0.824
140 model 1 0.985 0.966 0.946 0.927 0.907 0.888 0.868 0.849 0.829 0.810
Cooling
71 model 1.008 1.006 1.003 1 0.997 0.994 0.991 0.988 0.985 0.982 0.979
100 model 1.016 1.013 1.007 1.002 0.996 0.991 0.985 0.980 0.974 0.969 0.963
φ19.05
125 model 1.022 1.018 1.009 1.001 0.992 0.984 0.975 0.967 0.958 0.950 0.941
140 model 1.026 1.021 1.011 1.002 0.992 0.983 0.973 0.964 0.954 0.945 0.935
• Equivalent Length =Actual Length + (Equivalent bend length x number of bends in the piping.)
Equivalent length per bend.
Gas Pipe Diameter (mm) φ12.7 φ15.88 φ19.05 φ22.22 φ25.4 φ28.58
Equivalent Bend Length 0.20 0.25 0.30 0.35 0.40 0.45
- 54 -
'11 • PAC-T-160
8.4 Height difference between the indoor unit and outdoor unit
When the outdoor unit is located below indoor units in cooling mode, or when the outdoor unit is located above indoor units in
heating mode, the correction coefficient mentioned in the below table should be subtracted from the value in the above table.
Example : The net cooling capacity of the model FDF100VNVD with the air flow “High”, the piping length of 15m, the outdoor unit
located 5m lower than the indoor unit, indoor wet-bulb temperature at 19.0℃ and outdoor dry-bulb temperature 35℃ is
Net cooling capacity = 10.0 × 1.00 × 0.978 × 0.99 .=. 9.7kW
Net cooling total capacity Air flow : High Height diff. :5m
of FDF100VNVD shown in table 8.2 (Outdoor unit : below)
(Outdoor temp. : 35℃DB shown in table 8.4
Indoor temp. : 19℃WB) Piping length :15m
shown in table 8.1 (Gas pipe size is φ15.88)
shown in table 8.3
- 55 -
'11 • PAC-T-160
9. APPLICATION DATA
9.1 Installation of indoor unit
PGA012D404
●Check the density refered by the foumula (accordance with ISO5149). ● Do not install the indoor unit at the place listed below.
· Places where flammable gas could leak. · Places where cosmetics or special sprays are
If the density exceeds the limit density, please consult the dealer and installate the ventilation system. frequently used.
· Places where carbon fiber, metal powder or any powder is floated.
●Use the genuine accessories and the specified parts for installation. · Place where the substances which affect the air conditioner are generated · Highly salted area such as beach.
such as sulfide gas, chloride gas, acid, alkali or ammonic atmospheres. · Heavy snow area ②Select
If parts unspecified by our company are used it could cause water leakage, electric shock, fire, and injury due to overturn of the unit.
· Places exposed to oil mist or steam directly. · Places where the system is affected by
●Ventilate the working area well in case the refrigerant leaks during installation. · On vehicles and ships smoke from a chimney.
· Altitude over 1000m
(Indoor unit)
If the refrigerant contacts the fire, toxic gas is produced. · Places where machinery which generates high harmonics is used.
● Do not install the indoor unit in the locations listed below (Be sure to install the indoor unit Installation
●Install the unit in a location that can hold heavy weight.
according to the installation manual for each model because each indoor unit has each limitation)
Improper installation may cause the unit to fall leading to accidents. · Locations with any obstacles which can prevent inlet and outlet air of the unit
●Install the unit properly in order to be able to withstand strong winds such as typhoons, and earthquakes. · Locations where vibration can be amplified due to insufficient strength of structure.
· Locations where the infrared receiver is exposed to the direct sunlight or the strong light beam. (in case of the
Improper installation may cause the unit to fall leading to accidents. infrared specification unit)
●Do not mix air in to the cooling cycle on installation or removal of the air conditioner. · Locations where an equipment affected by high harmonics is placed. (TV set or radio receiver is placed within 5m)
· Locations where drainage cannot run off safely. S
If air is mixed in, the pressure in the cooling cycle will rise abnormally and may cause explosion and injuries. s
It can affect performance or function and etc..
●Be sure to have the electrical wiring work done by qualified electrical installer, and use exclusive circuit. ● Do not put any valuables which will break down by getting wet under the air conditioner.
Power source with insufficient capacity and improper work can cause electric shock and fire. Condensation could drop when the relative humidity is higher than 80% or drain pipe is clogged, and it damages user’s belongings.
●Use specified wire for electrical wiring, fasten the wiring to the terminal securely, and hold the cable securely in ● Do not use the base frame for the outdoor unit which is corroded or damaged after a long period of use.
order not to apply unexpected stress on the terminal. It could cause the unit falling down and injury.
Loose connections or hold could result in abnormal heat generation or fire. ● Pay attention not to damage the drain pan by weld sputter when brazing work is done near the unit.
●Arrange the electrical wires in the control box properly to prevent them from rising. Fit the lid of the services If sputter entered into the unit during brazing work, it could cause damage (pinhole) of drain pan and leakage of water. • Secur
panel property. To avoid damaging, keep the indoor unit packed or cover the indoor unit.
Improper fitting may cause abnormal heat and fire. ● Install the drain pipe to drain the water surely according to the installation manual.
Improper connection of the drain pipe may cause dropping water into room and damaging user’s belongings. WARN
●Check for refrigerant gas leakage after installation is completed.
● Do not share the drain pipe for indoor unit and GHP (Gas Heat Pump system) outdoor unit. • Inst
If the refrigerant gas leaks into the house and comes in contact with a fan heater, a stove, or an oven, toxic gas is produced.
Toxic exhaust gas would flow into room and it might cause serious damage (some poisoning or deficiency of oxygen) to cien
●Use the specified pipe, flare nut, and tools for R410A. user’s health and safety.
Using existing parts (R22) could cause the unit failure and serious accident due to explosion of the cooling cycle. ● Be sure to perform air tightness test by pressurizing with nitrogen gas after completed refrigerant piping work.
●Tighten the flare nut according to the specified method by with torque wrench. If the density of refrigerant exceeds the limit in the event of refrigerant leakage in the small room, lack of oxygen can
If the flare nut were tightened with excess torque, it could cause burst and refrigerant leakage after a long period. occur, which can cause serious accidents.
● For drain pipe installation, be sure to make descending slope of greater than 1/100, not to make traps,
ATTENTIO
●Do not put the drainage pipe directly into drainage channels where poisonous gases such as sulfide gas can and not to make air-bleeding.
occur. Check if the drainage is correctly done during commissioning and ensure the space for inspection and maintenance.
Poisonous gases will flow into the room through drainage pipe and seriously affect the user's health and safety. This can also
cause the corrosion of the indoor unit and a resultant unit failure or refrigerant leak.
● Ensure the insulation on the pipes for refrigeration circuit so as not to condense water.
Incomplete insulation could cause condensation and it would wet ceiling, floor, and any other valuables.
●Connect the pipes for refrigeration circuit securely in installation work before compressor is operated.
● Do not install the outdoor unit where is likely to be a nest for insects and small animals.
If the compressor is operated when the service valve is open without connecting the pipe, it could cause explosion and injuries due Insects and small animals could come into the electronic components and cause breakdown and fire. Instruct the user to
to abnormal high pressure in the system. keep the surroundings clean.
●Stop the compressor before removing the pipe after shutting the service valve on pump down work. ● Pay extra attention, carrying the unit by hand.
If the pipe is removed when the compressor is in operation with the service valve open, air would be mixed in the refrigeration circuit Carry the unit with 2 people if it is heavier than 20kg. Do not use the plastic straps but the grabbing place, moving the unit
and it could cause explosion and injuries due to abnormal high pressure in the cooling cycle. by hand. Use protective gloves in order to avoid injury by the aluminum fin.
●Only use prescribed optional parts. The installation must be carried out by the qualified installer. ● Make sure to dispose of the packaging material.
If you install the system by yourself, it can cause serious trouble such as water leaks, electric shocks, fire. Leaving the materials may cause injury as metals like nail and woods are used in the package.
●Do not repair by yourself. And consult with the dealer about repair. ● Do not operate the system without the air filter. ③Carryi
It may cause the breakdown of the system due to clogging of the heat exchanger.
Improper repair may cause water leakage, electric shock or fire.
● Do not touch any button with wet hands. Carrying-in
●Consult the dealer or a specialist about removal of the air conditioner. It could cause electric shock.
Improper installation may cause water leakage, electric shock or fire.
● Do not touch the refrigerant piping with bare hands when in operation.
●Turn off the power source during servicing or inspection work. Carry with the fron
The pipe during operation would become very hot or cold according to the operating condition, and it could cause a burn or frostbite.
If the power is supplied during servicing or inspection work, it could cause electric shock and injury by the operating fan. ● Do not clean up the air conditioner with water.
●Do not run the unit when the panel or protection guard are taken off. It could cause electric shock.
Touching the rotating equipment, hot surface, or high voltage section could cause an injury to be caught in the machine, to get ● Do not turn off the power source immediately after stopping the operation.
burned, or electric shock. Be sure to wait for more than 5 minutes. Otherwise it could cause water leakage or breakdown.
●Shut off the power before electrical wiring work. ● Do not control the operation with the circuit breaker.
It could cause electric shock, unit failure and improper running. It could cause fire or water leakage. In addition, the fan may start operation unexpectedly and it may cause injury.
- 56 -
'11 • PAC-T-160
D404
Pipes, wires and small parts
Accessory Round head wood screw
(1) For heat insulation of flare nut *1 (2) For installation Note) Nos. 1 and 5 are used also as hardware for packing.
L fitting
Where the accessories are put in Fall-prevention fitting
For fixing to the wall
*1. Open the air inlet grill and Nos. (1) will be found in the unit.
*2. Nos. (2)-2-4 will be found at the same place as 1.
*3. Fall-prevention fitting is mounting on the top panel of the unit.
*4. L-fittings are mounted on the bottom part of the unit. For securing the unit
s. Top panel
ion
ng.
*1、 2
*4
gs.
Air inlet
se. Fixing position (Fall-prevention fitting)
600
50
WARNING
• Install the unit securely on a floor that can endure its weight sufficiently Insuffi-
1815∼1840
1860∼1885
) to cient strength or incorrect installation could result in injuries if the unit falls.
ps,
ATTENTION: Select a place for installation where the following conditions are fulfilled
with customer's consent.
• Where cool or hot air can be blown sufficiently and widely.
• Where the piping and wiring work to outdoor unit can be done easily.
• Where drainage water can run off completely. • Dimensions indicate the allowance for adjustment between the unit and the wall or floor.
• Fix the longer side of fitting to the unit.
• Where the installation floor is strong enough. • When the fitting is faced downward, fix it to the wall first.
• Where the unit its protected from direct exposure to sunlight.
r to • Where there is no obstacle at he air inlet and air outlet. (2) Fixing the unit with the L-fittings
• Where the fire alarm apparatus will not be activated by malfunction. ①Remove the L-fittings mounted on the unit with
Where There is no risk for short-circuit of air. screws.
unit ②Turn over the L-fitting and fix it to the unit and
either the floor or the wall as illustrated.
・Fixing position of the L-fittings are as illustrated
below.
③Carrying-in and installation of the unit Fixing position (L fitting)
622.5 15
Carrying-in ATTENTION:
17.5
35
- 57 -
'11 • PAC-T-160
Caution
◆ Pipe and wire extracting position WARNING
●Use the new refrigerant pipe. • Do not in
When re-using the existing pipe system for R22 or R407C, pay attention to the following sulffuric g
items. Toxic gas
Gas pipe
・Change the flare nuts with the attached ones (JIS category 2), and reprocess the flare
Liquid pipe
parts.
・Do not use thin-walled pipes. CAUTION
●Use phosphorus deoxidized copper alloy seamless pipe (C1220T specified in JIS • Install th
H3300) for refrigeration pipe installation. prevent fr
In addition, make sure there is no damage both inside and outside of the pipe, and no Improper
468
harmful substances such as sulfur, oxide, dust or a contaminant stuck on the pipes. leaked or
400
●Do not use any refrigerant other than R410A.
Using other refrigerant except R410A (R22 etc.) may degrade inside refrigeration oil.
And if air getting into refrigerant circuit, it may cause anomaously high pres and may
Procedure
result in burst, etc.
●Store the copper pipes indoors and seal the both end of them until they are brazed in 48 1. Connect the d
order to avoid any dust, dirt or water getting into pipe. Otherwise it will cause degrada- 93 adhesive tape
tion of refrigeration oil and compressor breakdown, etc. 600 2. When the pip
●Use special tools for R410 refrigerant. insulator (Poly
dewing.
ATTENTION:
Work procedure • Do not cut off the flange at the hole on the
1. Remove the flare nuts and flare caps from the pipes of the indoor unit. base plate for the downward extraction.
※ Make sure to loosen the flare nut by holding the flared male fitting with a spanner
Downward extraction
and giving torque to the nut with another spanner in order to avoid unexpected
stress to the copper pipe, and then remove them.
Gas pipe
(Gas may come out a little at this time, but it is no anomaly.)
● Pay attention that the flare nut may pop out. Liquid pipe Pipe cover
(For gas pipe)
(Because it is sometimes pressurized in the indoor unit)
2. Make a flare on liquid pipe and gas pipe, and connect the refrigrant pipes to the indoor Pipe cover
(For liquid pipe)
unit.
※Bend the pipe with as big radius as possible and do not bend the pipe repeatedly. In
addition, do not twist and crush the pipes.
※Do a flare connection as follows: (Unit front) (Unit right side)
● Make sure to loosen the flare nut by holding the flared male fitting with a spanner
and giving torque to the nut with another spanner in order to avoid unexpected
stress to the copper pipe, and then remove them. For downward
305
extraction
● When fastening the flare nut, align the refrigeration pipe with the center of flare nut,
143
(ø100 hole)
screw the nut for 3-4 times by hand and then tighten it with a spanner within the 61
specified torque mentioned in the table below. 440
(Unit bottom)
Make sure to hold the flared male fitting on the indoor unit side with another spanner
when tightening the nut in order to avoid unexpected stress on the copper pipe.
3. Cover the flare connection part of the indoor unit with attached insulation material after Backward extraction
a gas leakage inspection, and tighten both ends with attached straps.
●Make sure to insulate both gas pipes and liquid pipes completely.
※ Incomplete insulation may cause dew condensation and dew dropping.
Gas pipe
4. Refrigerant is pre-charged in the outdoor unit.
As for the additional refrigerant charge for the indoor unit and piping, refer to the instal- Liquid pipe Pipe cover
(Gas pipe)
lation manual attached to the outdoor unit.
Pipe cover
(Liquid pipe)
Strap (Accessory)
Sideward extraction
The thickness of insulation should be 20mm or more.
Gas pipe
Pipe cover
Liquid pipe (For gas pipe)
Pipe cover
Pipe diameter Tightening torque N·m (For liquid pipe)
φ 6.35 14 to 18 ATTENTION
φ 9.52 34 to 42
• Insulate the
φ 12.7 49 to 61
• Incline the d
φ 15.88 68 to 82
94
not allowed
φ 19.05 100 to 120
(Unit front) 143 • Use a comm
For side extraction (at right and left)
(ø100 knock-out hole)
(Unit right side) <Use of adhe
- 58 -
'11 • PAC-T-160
Control box
Procedure
1. Connect the drain socket to the drain pipe (PV-20) provided at site and fix the joint with Open the air inlet grill by
adhesive tape, or the like. holding the grips with
both hands and pulling to
2. When the pipe provided at site runs through a room, insulate the pipe with a commercial this side.
insulator (Polyethylene foam: Specific gravity 0.03, thickness 15 mm or more) to prevent
dewing. Control box is located as
illustrated at left. Remove
the cover and make
connections.
Procedure
①Remove the control box cover (fixed with a screw).
Drain socket ②Introduce wires in the unit and connect securely on the terminals.
③Fix each wire with a clamp (for fixing).
④Install removed parts as they were.
Control box
• Make sure to pass the power cable through the clamp (for guide).
Grounding line
Terminal block for power cable
PGA012D404
- 59 -
'11 • PAC-T-160
WARNING Installation an
Cable connection for single unit installation
①Wiring of remote co
●Be sure to have the electrical wiring work done by qualified electrical installer, ①As for connecting method of power source, select from following connecting patterns. In principle, do not directly connect
power souce line to inside unit.
②Maximum prolonga
and use exclusive circuit. As for exceptional connecting method of power souce, discuss with the power provider of the country with referring to If the prolongation
Power source with insufficient capacity and improper work can cause electric shock and fire. technical documents, and follow its instruction. But, wiring in the re
②For cable size and circuit breaker selection, refer to the outdoor unit installation manual. according to wire c
●Use specified wire for electrical wiring, fasten the wiring to the terminal securely, Single-phase model Three-phase model contact failure.
and hold the cable securely in order not to apply unexpected stress on the terminal. 100 - 200m.................
Power source Power source Under 300m ..........
Loose connections or hold could result in abnormal heat generation or fire. Under 400m ..........
r leakage breaker
Earth k Earth leakage breaker
breaker
Under 500m ..........
●Arrange the electrical wires in the control box properly to prevent them from Circuit breaker Circuit breaker
rising. Fit the lid of the services panel property. Power source line Power source line The indication
Improper fitting may cause abnormal heat and fire. L N
Outdoor Unit
L1 L2 L3 N
Outdoor Unit When power source is
①②③ ①②③
●Use the genuine optional parts. And installation should be performed by a Earth Earth communication bet
Indoor-Outdoor Indoor-Outdoor
Master remote control
specialist. ①②③ Connecting line
①②③ Connecting line
Indoor Unit Indoor Unit Slave remote controlle
If you install the unit by yourself, it could cause water leakage, electric shock and fire.
Earth Earth At the same time, a m
Remote Remote
●Do not repair by yourself. And consult with the dealer about repair. controller line controller line This is the software's a
Improper repair may cause water leakage, electric shock or fire. Remote controller Remote controller
● Make sure to install earth leakage breaker on power source line. ①②③ ①②③
6. On the occasion of
(countermeasure thing to high harmonics.) Indoor Unit Master Indoor Unit Slave 1 ① "DATA LOADING"
② Press or
Absence of breaker could cause electric shock. Earth Earth
"No. and function"a
(For example)
Remote controller line (no polarity)
● Use the circuit breaker of correct capacity. Circuit breaker should be the one Remote controller
that disconnect all poles under over current. ③ Press (SET
The current setting
Using the incorrect one could cause the system failure and fire. Switch and wiring specification (for example) "AUT
Refer to the installation manual attached to the outdoor unit.
● Do not use any materials other than a fuse of correct capacity where a fuse
should be used. ④ Press or
Select the setting.
Connecting the circuit by wire or copper wire could cause unit failure and fire.
②Wiring for the remote controller ⑤ Press (SET
"SET COMPLETE"
●Use power source line of correct capacity. Then after "No. and
Using incorrect capacity one could cause electric leak, abnormal heat generation and fire. ●For each indoor unit, one more remote controller can be connected in addition to the one which is built in the main
unit.
Switch Setting Contents
●Do not mingle solid cord and stranded cord on power source and signal side M Master remote controller On the occasion of i
Indoor units SW1
terminal block. S Slave remote controller ① "DATA LOADING"
In addition, do not mingle difference capacity solid or stranded cord. Remote controller cord (no polarity) Indication is chang
Inappropriate cord setting could cause loosing screw on terminal block, bad electrical Upper
[Note]
contact, smoke and fire. Master (1) If plural indoor
Remote controller Remote controller the indication
SW1 "Master" SW1 "Slave" Slave Board
● Do not turn off the power source immediately after stopping the operation. Lower
Be sure to wait for more than 5 minutes. Otherwise it could cause water leakage or (2) Press or
breakdown. Set SW1 to "Slave" for the slave remote controller. It was factory set to "Master" for shipment. Select the num
Note: The setting "Remote controller thermistor enabled" is only selectable with the master remote controller in the position where you If you select "
want to check room temperature.
● Do not control the operation with the circuit breaker. (3) Press
The air conditioner operation follows the last operation of the remote controller regardless of the master/ slave setting of it.
It could cause fire or water leakage. In addition, the fan may start operation ② Press or
* When setting the remote controller built in the main unit to the “Slave”: "No. and function"
unexpectedly and it may cause injury. Remove the cover and change the setting of switch as follows. (For example)
- 60 -
'11 • PAC-T-160
2D405
②Wiring for the remote controller (Continued) ③Function Setting by Remote Controller (Continued)
AL" of ① Open the remote controller cover and remove the screw without fail. ③ Press (SET) button.
The current setting of selected function is indicated.
(For example) "STANDARD" If "02 FAN SPEED SET" is selected.
e.
Setting
ugh iron
④ Press or button.
Screw
outdoor Select the setting.
cation. (In ② Remove the upper case of remote controller. Attach a flat head screwdriver at the upper part of remote controller ⑤ Press (SET) button.
ent.) and pry lightly. It will come off easily. "SET COMPLETE" will be indicated, and the setting will be completed.
could Use some cushion to protect the center panel. Then after "No. and function" indication returns, set as the same procedure if you want to set continuously , and if to finish, go to 7.
When plural indoor units are connected to a remote controller, press the AIRCON NO. button, which allows you to go back to the
indoor unit selection screen. (example "I/U 000 ")
ng to
At the same time, a mark or a number will be displayed for two seconds first. Upper limit and lower limit of set temperature can be changed with remote controller.
This is the software's administration number of the remote controller, not an error cord. Upper limit setting: valid during heating operation. Possible to set in the range of 20 to 30ûC (68 to 86ûF).
e
Lower limit setting: valid except heating (automatic, cooling, fan, dry) Possible to set in the range of 18 to 26ûC (62 to
The left mark is only an 79ûF).
example. Other marks may
appear.
When you set upper and lower limit by this function, control as below.
When remote controller cannot communicate with the indoor unit for half an hour, the below indication willappear. 1. When TEMP RANGE SET, remote controller function of function setting mode is "INDN CHANGE" (factory setting),
Check wiring of the indoor unit and the outdoor unit etc. If upper limit value is set
d slave During heating, you cannot set the value exceeding the upper limit.
remote 1. Stop air-conditioner and press (SET) (MODE) buttons at During heating, even if the value exceeding the upper limit is set, upper limit value will be sent to the indoor unit.
the same time for over three seconds, and the "FUNCTION SET " But, the indication is the same as the temperature set.
Fixing button
will be displayed.
If lower limit value is set
7 Finishing button During except heating, even if the value lower than the lower limit is set, lower limit value will be sent to the indoor unit.
But, the indication is the same as the temperature set.
2. Press (SET) button. How to set upper and lower limit value
2 Starting button
3. Make sure which do you want to set, " FUNCTION " (remote
1
1. Stop the air-conditioner, and press (SET) and (MODE) button at the same time for over three
controller function) or "I/U FUNCTION " (indoor unit function). seconds .
4. Press or button.
6 Indoor unit selection button Previous screen button The indication changes to "FUNCTION SET ".
Selecct " FUNCTION " (remote controller function) or "I/U FUNCTION " (indoor unit function). 2. Press button once, and change to the "TEMP RANGE " indication.
3. Press (SET) button, and enter the temperature range setting mode.
4. Select "UPPER LIMIT " or "LOWER LIMIT " by using button.
5. Press (SET) button. 5. Press (SET) button to fix.
6. When "UPPER LIMIT " is selected (valid during heating)
6. On the occasion of remote controller function selection Indication: " SET UP" "UPPER 30ûC "
① "DATA LOADING" (Indication with blinking) Display is changed to "01 GRILLE SET". Select the upper limit value with temperature setting button . Indication example: "UPPER 26ûC "
(blinking)
② Press or button.
"No. and function"are indicated by turns on the remote controller function table, then you can select from them. Press (SET) button to fix. Indication example: "UPPER 26ûC" (Displayed for two seconds)
(For example) Function No. After the fixed upper limit value displayed for two seconds, the indication will return to "UPPER LIMIT ".
Function 7. When "LOWER LIMIT " is selected (valid during cooling, dry, fan, automatic)
③ Press (SET) button. Indication: " SET UP" "LOWER 18ûC "
The current setting of selected function is indicated. Select the lower limit value with temperature setting button . Indication example: "LOWER 24ûC "
(for example) "AUTO RUN ON" If "02 AUTO RUN SET" is selected
(blinking)
Press (SET) button to fix. Indication for example: "LOWER 24ûC" (Displayed for two seconds)
Setting
After the fixed lower limit value displayed for two seconds, the indication will return to "LOWER LIMIT ".
④ Press or button. 8. Press ON/OFF button to finish.
Select the setting.
⑤ Press (SET) button.
"SET COMPLETE" will be indicated, and the setting will be completed.
Then after "No. and function" indication returns, Set as the same procedure if you want to set continuously ,and if to finish, go to 7.
main
It is possible to finish by pressing
ON/OFF button on the way, but
unfinished change of setting is
On the occasion of indoor unit function selection
unavailable.
① "DATA LOADING" (Blinking for 2 to 23 seconds to read the data)
During setting, if you press
Indication is changed to "02 FAN SPEED SET". Go to . (RESET) button, you return to the
[Note] previous screen.
(1) If plural indoor units are connected to a remote controller,
the indication is "I/U 000" (blinking) The lowest number of the indoor unit connected is indicated.
Previous button
Note 1: Fan setting of “HIGH SPEED”
Indoor unit air flow setting
(2) Press or button. Fan tap
- - - - - - -
Select the number of the indoor unit you are to set
STANDARD UH - Hi - Me - Lo Hi - Me - Lo Hi - Lo Hi - Me
where you If you select "ALL UNIT ", you can set the same setting with all unites. FAN SPEED SET
HIGH SPEED1, 2 UH - UH - Hi - Me UH - Hi - Me UH - Me UH - Hi
(3) Press (SET) button. Initial function setting of some indoor unit is “HIGH SPEED”
② Press or button.
Note 2: As for plural indoor unit, set indoor functions to each master and slave indoor unit.
"No. and function" are indicated by turns on the indoor unit function table, then you can select from them.
(For example) But only master indoor unit is received the setting change of indoor unit function “05 EXTERNAL
Function No.
INPUT” and “06 PERMISSION / PROHIBISHION”.
Function
- 61 -
'11 • PAC-T-160
3.Wh
Only when plural indoor units are connected
(Remote controller function) (Indoor unit function) Indoor No. selection rem
Function (Note3) Function
setting setting dis
01 02
loa
When you use at 50Hz area (Note2)
When you use at 60Hz area
02 03 wil
★
Automatic operation is impossible The filter sign is indicated after running for 180 hours. 4. Wh
03 The filter sign is indicated after running for 600 hours.
If to change re-set with other indoor The filter sign is indicated after running for 1000 hours. sm
Temperature setting button is not working unit, push AIRCON NO. The filter sign is indicated after running for 1000 hours, then it will be stopped by compulsion after 24 hours.
button, and indoor selection indication am
04
(for example: I/U 000) is set back. 04 If to change the indoor function "04 ",
Mode button is not working The remote control function "14 " should be changed accordingly.
05 ★ Select the louver stop position in four.
The louver can stop at any positon.
On/Off button is not working 05
06 5. Se
Heating preparation indication should not be indicated. During heating is stopped or heating thermostat is off, the fan perform intermittent operation
19 for five minutes after twenty minutes' off with low airflow.
Temperature indication is by degree C During heating is stopped or heating thermostat is off, the fan perform intermittent operation ⑥F
for five minutes after five minutes' off with low airflow.
Temperature indication is by degree F
Items marked with ★ are not available on the floor standing FDF.
ON/OFF button (finished)
Do not change the initial setting
④Trial operation
- 62 -
'11 • PAC-T-160
Checking operation data The operation data is saved when the situation of abnormal operation happen, and the data
can be confirmed by remote controller.
Operation data can be checked with remote
Number Data Item
control unit operation. 01 (Ope ration Mode)
Error Code of indoor unit
02 (Set Temperature)
1. Press the button.
03 (Return Air Temperature)
Display on LED on indoor circuit board
The display change “ ” 04 (Remote Controller ThermistorTemperature)
remote Content
05 (Indoor Unit Heat Exchanger Thermistor / U Bend) red (checking) green (normal)
2. Press the (SET) button while controller
06 (Indoor Unit Heat Exchanger Thermistor /Capillary)
07 (Indoor Unit Heat Exchanger Thermistor /Gas Header) Off Continuous blinking Normal
“ ” is displayed.
08 (Indoor Unit Fan Speed) Off Fault on power, indoor power off or lack
3.When only one indoor unit is connected to 09 (Frequency Requirements)
Off Off phase
remote controller, “ ” is 10 (Response Frequency)
Off Continuous blinking Fault on the transmission between
11 (Pulse of Indoor Unit Expansion Value)
E1 indoor circuit board and remote control
displayed (blinking indication during data 12 (Total Running Hours of The Indoor Unit)
Not sure Not sure Indoor computer abnormal
21 (Outdoor Air Temperature)
loading). E5 Blinking twice Continuous blinking Fault on outdoor-indoor transmission
22 (Outdoor Unit Heat Exchanger Thermistor)
Next, operation data of the indoor unit 23 (Outdoor Unit Heat Exchanger Thermistor) Indoor heat exchange sensor interrupted or
E6 Blinking once Continuous blinking short-circuit
will be displayed. Skip to step 7. 24 (Compressor Frequency)
25 (High Pressure) Indoor air inhaling sensor broken or
4. When plural indoor units is connected, the 26 (Low Pressure)
E7 Blinking once Continuous blinking short-circuit
27 (Discharge Pipe Temperature)
smallest address number of indoor unit The temperature of heat exchange
28 (Comp Bottom Temperature) E8 Blinking once Continuous blinking abnormal
n after 24 hours. among all connected indoor unit is displayed. 29 (Current)
30 E9 Blinking once Continuous blinking Float SW actions (only with FS)
[Example]: (Target Super Heat)
31 (Super Heat) Excess number of remote controller
“ ” (blinking 1 seconds) E10 Off Continuous blinking connections
32 (Discharge Pipe Super Heat)
“ ” blinking. 33 (Protection State No. of The Compressor)
E14 The communication fault for master/slave
34 (Outdoor Unit Fan Speed) Blinking for three times Continuous blinking indoor units
5. Select the indoor unit number you would 35 (63H1 On/Off)
E16 Blinking once Continuous blinking Fan motor abnormal
like to have data displayed with the 36 (Defrost Control On/Off)
Configuration fault on running checking
37 (Total Running Hours of The Compressor) E19 Blinking once Continuous blinking
button. 38 (Pulse of The Outdoor Unit Expansion Valve EEVC)
model
39 (Pulse of The Outdoor Unit Expansion Valve EEVH) E28 Off Continuous blinking Remote controller sensor interrupted
6. Determine the indoor unit number with the
※Depending on outdoor unit model, there are data not shown. Outdoor unit checking (outdoor circuit board
mmediately. (SET) button. Over E30 Off Continuous blinking LED checking)
d immediately.
(The indoor unit number changes from blinking indication to continuous indication)
[Operating procedure]
“ ” (The address of selected indoor unit is blinking for 2 seconds.)
1. Press the button.
“ ” (A blinking indication appears while data loaded.)
The display change “ ”
2. Once, press the button, and the display change
Next, the operation data of the indoor unit is indicated.
“ ”.
7. Upon operation of the button, the current operation data is displayed in order from data
number 01. 3. Press the (SET) button and abnormal operation data mode is started.
The items displayed are in the above table. 4. When only one indoor unit is connected to remote controller, following is displayed.
※Depending on models, the items that do not have corresponding data are not displayed. ①The case that there is history of abnormal operation.
8. To display the data of a different indoor unit, press the button, which allows you to go back to Error code and “ ” is displayed.
some models)
the indoor unit selection screen. [Example]: [E8] (ERROR CODE)
9. Pressing the button will stop displaying data. “ ” is displayed (blinking indication during data loading).
Pressing the (RESET) button during remote control unit operation will undo your last operation and Next, the abnormal operation data of the indoor unit will be displayed. Skip to step 8.
allow you to go back to the previous screen. ②The case that there is not history of abnormal operation.
◎If two (2) remote controllers are connected to one (1) inside unit, only the master controller is available for trial “ ” is displayed for 3 seconds and this mode is closed.
operation and confirmation of operation data. (The slave remote controller is not available.)
5. When plural indoor units is connected, following is displayed.
①The case that there is history of abnormal operation.
⑤Control mode switching Error code and the smallest address number of indoor unit among all connected indoor
unit is displayed.
●The control content of indoor units can be switched in following way.
[Example]: [E8] (ERROR CODE)
( is the default setting)
“ ” blinking
Switch No. Control Content ②The case that there is not history of abnormal operation.
SW2 Indoor unit address (0-Fh) Only address number is displayed.
SW5-1 6. Select the indoor unit number you would like to have data displayed with the
Master/Slave Switching (plural /Slave unit Setting)
SW5-2 button.
Model capacity setting 7. Determine the indoor unit number with the (SET) button.
SW6-1~4
n.
an hour. ON Operation check, Drain motor test run
[Example]: [E8] (ERROR CODE)
hours. SW7-1 “ ” (The address of selected indoor unit is blinking for 2 seconds.)
hours. OFF Normal operation
PGAO12D405
- 63 -
PSB012D909G 3) Selection o
9.3 Installation of outdoor unit PSB012D909G K
K
Besure to select a
(1) Model FDC71VNX 〇 A place where i
Inverter driven single split PAC
INSTALLATION MANUAL FOR OUTDOOR UNIT
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71V 〇 A place where i
Designed for R410A refrigerant 〇 A place where d
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◎This installation manual deals with outdoor units and general installation specifications only. For indoor units, refer to Page
the respective
56. installation manuals supplied with the units. 〇 A place where s
◎When install the unit, be sure to check whether the selection of installation place, power supply specifications, usage limitation (piping length, height 〇 A place where th
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differences between indoor and outdoor units, power supply voltage and etc.) and installation spaces. 〇 A place where th
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Check before installation work
SAFETY PRECAUTIONS unit, will not be
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●We recommend you to read this “SAFETY PRECAUTIONS” carefully before the installation work in order to gain full advantage of the functions of the unit and to avoid malfunction due to ● Model name and power source
mishandling.
● Refrigerant piping length 4) Caution ab
●The precautions described below are divided into WARNING and CAUTION . The matters with possibilities leading to serious consequences such as death or serious personal (1) If the unit is ins
● Piping, wiring and miscellaneous small parts The bottom pla
injury due to erroneous handling are listed in the WARNING and the matters with possibilities leading to personal injury or damage of the unit due to erroneous handling including
probability leading to serious consequences in some cases are listed in CAUTION . These are very important precautions for safety. Be sure to observe all of them without fail. ● Indoor unit installation manual 1. Install the un
●The meaning of "Marks" used here are as shown below. that the bott
snow cover
Never do it under any circumstance. Always do it according to the instruction
●Be sure to confirm no anomaly on the equipment by commissioning after completed installation and explain the operating methods as well as the maintenance methods of this equipment
to the user according to the owner's manual.
●Keep the installation manual together with owner's manual at a place where any user can read at any time. Moreover if necessary, ask to hand them to a new user
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● Recommend settin
● Installation must be carried out by the qualified installer. ● Do not perform brazing work in the airtight room (2) If the unit can b
If you install the system by yourself, it may cause serious trouble such as water leaks, electric shocks, fire and personal injury, as a result of a system It can cause lack of oxygen. Strong wind can
malfunction. ● Use the prescribed pipes, flare nuts and tools for R410A. of the unit due t
● Install the system in full accordance with the instruction manual. Using existing parts (for R22 or R407C) can cause the unit failure and serious accidents due to burst of the refrigerant circuit.
Incorrect installation may cause bursts, personal injury, water leaks, electric shocks and fire. ● Tighten the flare nut by using double spanners and torque wrench according to prescribed method. Be sure not to 1.Install the outle
● Use the original accessories and the specified components for installation. tighten the flare nut too much. unit to face a
If parts other than those prescribed by us are used, It may cause fall of the unit, water leaks, electric shocks, fire, refrigerant leak, substandard Loose flare connection or damage on the flare part by tightening with excess torque can cause burst or refrigerant leaks which provide a fenc
performance, control failure and personal injury. may result in lack of oxygen.
● When installing in small rooms, take prevention measures not to exceed the density limit of refrigerant in the event of leakage accordance ● Do not open the service valves for liquid line and gas line until completed refrigerant piping work, air tightness test
with ISO5149. and evacuation.
Consult the expert about prevention measures. If the density of refrigerant exceeds the limit in the event of leakage, lack of oxygen can occur, which If the compressor is operated in state of opening service valves before completed connection of refrigerant piping work, you
can cause serious accidents. may incur frost bite or injury from an abrupt refrigerant outflow and air can be sucked into refrigerant circuit, which can cause
● Ventilate the working area well in the event of refrigerant leakage during installation. burst or personal injury due to anomalously high pressure in the refrigerant
If the refrigerant comes into contact with naked flames, poisonous gas is produced. ● Only use prescribed optional parts. The installation must be carried out by the qualified installer.
● After completed installation, check that no refrigerant leaks from the system. If you install the system by yourself, it can cause serious trouble such as water leaks, electric shocks, fire. Over 500 m
If refrigerant leaks into the room and comes into contact with an oven or other hot surface, poisonous gas is produced. ● Do not perform any change of protective device itself or its setup condition
● Hang up the unit at the specified points with ropes which can support the weight in lifting for portage. And to avoid jolting out of alignment, The forced operation by short-circuiting protective device of pressure switch and temperature controller or the use of non
2. REFRIGER
be sure to hang up the unit at 4-point support. specified component can cause fire or burst.
An improper manner of portage such as 3-point support can cause death or serious personal injury due to falling of the unit ● Be sure to switch off the power supply in the event of installation, inspection or servicing.
● Install the unit in a location with good support. If the power supply is not shut off, there is a risk of electric shocks, unit failure or personal injury due to the unexpected start of fan.
Unsuitable installation locations can cause the unit to fall and cause material damage and personal injury. ● Consult the dealer or an expert regarding removal of the unit.
● Ensure the unit is stable when installed, so that it can withstand earthquakes and strong winds. Incorrect installation can cause water leaks, electric shocks or fire. 1) Restriction
Unsuitable installation locations can cause the unit to fall and cause material damage and personal injury. ● Stop the compressor before closing valve and disconnecting refrigerant pipes in case of pump down operation. ● Check the follow
● The electrical installation must be carried out by the qualified electrician in accordance with “the norm for electrical work” and “national If disconnecting refrigerant pipes in state of opening service valves before compressor stopping, you may incur frost bite or
injury from an abrupt refrigerant outflow and air can be sucked, which can cause burst or personal injury due to anomalously ● Observe the follo
wiring regulation”, and the system must be connected to the dedicated circuit.
Power supply with insufficient capacity and incorrect function done by improper work can cause electric shocks and fire, high pressure in the refrigerant circuit
'11 • PAC-T-160
● Be sure to shut off the power before starting electrical work. ● Ensure that no air enters in the refrigerant circuit when the unit is installed and removed.
Failure to shut off the power can cause electric shocks, unit failure or incorrect function of equipment. If air enters in the refrigerant circuit, the pressure in the refrigerant circuit becomes too high, which can cause burst and
personal injury.
● Be sure to use the cables conformed to safety standard and cable ampacity for power distribution work. One-way pipe len
Unconformable cables can cause electric leak, anomalous heat production or fire. ● Do not run the unit with removed panels or protections
Touching rotating equipments, hot surfaces or high voltage parts can cause personal injury due to entrapment, burn or electric Main pi
● Use the prescribed cables for electrical connection, tighten the cables securely in terminal block and relieve the cables correctly to prevent shocks.
overloading the terminal blocks.
Loose connections or cable mountings can cause anomalous heat production or fire. ● Be sure to fix up the service panels.
Incorrect fixing can cause electric shocks or fire due to intrusion of dust or water.
● Arrange the wiring in the control box so that it cannot be pushed up further into the box. Install the service panel correctly. D
Incorrect installation may result in overheating and fire. ● Do not perform any repairs or modifications by yourself. Consult the dealer if the unit requires repair.
If you repair or modify the unit, it can cause water leaks, electric shocks or fire.
Elevation diff
indoor and ou
CAUTION
● Carry out the electrical work for ground lead with care ● Do not use the base flame for outdoor unit which is corroded or damaged due to long periods of operation.
Do not connect the ground lead to the gas line, water line, lightning conductor or telephone line's ground lead. Incorrect grounding can cause unit faults such as
electric shocks due to short-circuiting. Never connect the grounding wire to a gas pipe because if gas leaks,it could cause explosion or ignition.
Using an old and damage base flame can cause the unit falling down and cause personal injury. CAUTION
● Do not install the unit in the locations listed below
● Use the circuit breaker for all pole with correct capacity. ・Locations where carbon fiber, metal powder or any powder is floating.
Using the incorrect circuit breaker, it can cause the unit malfunction and fire. ・Locations where any substances that can affect the unit such as sulphide gas, chloride gas, acid and alkaline can occur. 2) Determinat
personal injury.
● Be sure to use the cables conformed to safety standard and cable ampacity for power distribution work. One-way pipe len
Unconformable cables can cause electric leak, anomalous heat production or fire. ● Do not run the unit with removed panels or protections
Touching rotating equipments, hot surfaces or high voltage parts can cause personal injury due to entrapment, burn or electric Main pi
● Use the prescribed cables for electrical connection, tighten the cables securely in terminal block and relieve the cables correctly to prevent shocks.
overloading the terminal blocks.
Loose connections or cable mountings can cause anomalous heat production or fire. ● Be sure to fix up the service panels.
Incorrect fixing can cause electric shocks or fire due to intrusion of dust or water.
● Arrange the wiring in the control box so that it cannot be pushed up further into the box. Install the service panel correctly. D
Incorrect installation may result in overheating and fire. ● Do not perform any repairs or modifications by yourself. Consult the dealer if the unit requires repair.
If you repair or modify the unit, it can cause water leaks, electric shocks or fire.
Elevation diff
indoor and ou
CAUTION
● Carry out the electrical work for ground lead with care ● Do not use the base flame for outdoor unit which is corroded or damaged due to long periods of operation.
Do not connect the ground lead to the gas line, water line, lightning conductor or telephone line's ground lead. Incorrect grounding can cause unit faults such as
electric shocks due to short-circuiting. Never connect the grounding wire to a gas pipe because if gas leaks,it could cause explosion or ignition.
Using an old and damage base flame can cause the unit falling down and cause personal injury. CAUTION
● Do not install the unit in the locations listed below
● Use the circuit breaker for all pole with correct capacity. ・Locations where carbon fiber, metal powder or any powder is floating.
Using the incorrect circuit breaker, it can cause the unit malfunction and fire. ・Locations where any substances that can affect the unit such as sulphide gas, chloride gas, acid and alkaline can occur. 2) Determinat
● Install isolator or disconnect switch on the power supply wiring in accordance with the local codes and regulations. ・Vehicles and ships
The isolator should be locked in accordanced with EN60204-1. ・Locations where cosmetic or special sprays are often used. ● Determine refrig
● Take care when carrying the unit by hand. ・Locations with direct exposure of oil mist and steam such as kitchen and machine plant.
If the unit weights more than 20kg, it must be carried by two or more persons. Do not carry by the plastic straps, always use the carry handle when carrying the ・Locations where any machines which generate high frequency harmonics are used.
unit by hand. Use gloves to minimize the risk of cuts by the aluminum fins. ・Locations with salty atmospheres such as coastlines
・Locations with heavy snow (If installed, be sure to provide base flame and snow hood mentioned in the manual)
● Dispose of any packing materials correctly. ・Locations where the unit is exposed to chimney smoke
Any remaining packing materials can cause personal injury as it contains nails and wood. And to avoid danger of suffocation, be sure to keep the plastic ・Locations at high altitude (more than 1000m high)
wrapper away from children and to dispose after tear it up. ・Locations with ammonic atmospheres
● Pay attention not to damage the drain pan by weld spatter when welding work is done near the indoor unit. ・Locations where heat radiation from other heat source can affect the unit
If weld spatter entered into the indoor unit during welding work, it can cause pin-hole in drain pan and result in water leakage. To prevent such damage, keep the indoor unit in its packing or cover it. ・Locations without good air circulation.
● Be sure to insulate the refrigerant pipes so as not to condense the ambient air moisture on them. ・Locations with any obstacles which can prevent inlet and outlet air of the unit In the case o
Insufficient insulation can cause condensation, which can lead to moisture damage on the ceiling, floor, furniture and any other valuables. ・Locations where short circuit of air can occur (in case of multiple units installation)
・Locations where strong air blows against the air outlet of outdoor unit
● Be sure to perform air tightness test by pressurizing with nitrogen gas after completed refrigerant piping work. It can cause remarkable decrease in performance, corrosion and damage of components, malfunction and fire.
If the density of refrigerant exceeds the limit in the event of refrigerant leakage in the small room, lack of oxygen can occur, which can cause serious accidents.
● Do not install the outdoor unit in the locations listed below.
● Perform installation work properly according to this installation manual.
・Locations where discharged hot air or operating sound of the outdoor unit can bother neighborhood.
Improper installation can cause abnormal vibrations or increased noise generation.
・Locations where outlet air of the outdoor unit blows directly to an animal or plants. The outlet air can affect adversely to the plant etc. In the case
● Earth leakage breaker must be installed ・Locations where vibration can be amplified and transmitted due to insufficient strength of structure.
If the earth leakage breaker is not installed, it can cause fire or electric shocks. ・Locations where vibration and operation sound generated by the outdoor unit can affect seriously. (on the wall or at the place near bed room)
● Do not use any materials other than a fuse with the correct rating in the location where fuses are to be used. ・Locations where an equipment affected by high harmonics is placed. (TV set or radio receiver is placed within 5m)
Connecting the circuit with copper wire or other metal thread can cause unit failure and fire. ・Locations where drainage cannot run off safely.
● Do not install the unit near the location where leakage of combustible gases can occur. It can affect surrounding environment and cause a claim
If leaked gases accumulate around the unit, it can cause fire. ● Do not use the unit for special purposes such as storing foods, cooling precision instruments and preservation of animals, plants or art.
It can cause the damage of the items.
CAUTION
● Do not install the unit where corrosive gas (such as sulfurous acid gas etc.) or combustible gas (such as thinner and petroleum gases) can
accumulate or collect, or where volatile combustible substances are handled. ● Do not touch any buttons with wet hands
Corrosive gas can cause corrosion of heat exchanger, breakage of plastic parts and etc. And combustible gas can cause fire. It can cause electric shocks
● Secure a space for installation, inspection and maintenance specified in the manual. ● Do not touch any refrigerant pipes with your hands when the system is in operation.
Insufficient space can result in accident such as personal injury due to falling from the installation place.. During operation the refrigerant pipes become extremely hot or extremely cold depending the operating condition, and it can cause burn injury or frost injury.
● When the outdoor unit is installed on a roof or a high place, provide permanent ladders and handrails along the access route and fences and handrails around the outdoor unit.
● Do not clean up the unit with water
If safety facilities are not provided, it can cause personal injury due to falling from the installation place.
It can cause electric shocks 3) Refrigerant
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● Do not install nor use the system close to the equipment that generates electromagnetic fields or high frequency harmonics
● Do not operate the outdoor unit with any article placed on it.
Equipment such as inverters, standby generators, medical high frequency equipments and telecommunication equipments can affect the system, and cause ● Select refrigeran
65 -
malfunctions and breakdowns. The system can also affect medical equipment and telecommunication equipment, and obstruct its function or cause jamming. You may incur property damage or personal injure from a fall of the article.
● Do not step onto the outdoor unit.
and material as
● Do not install the outdoor unit in a location where insects and small animals can inhabit.
You may incur injury from a drop or fall.
Insects and small animals can enter the electric parts and cause damage or fire. Instruct the user to keep the surroundings clean.
4) On-site pipi
IMPORTAN
Notabilia as a unit designed for R410A Dedicated R410A tools
● Do not use any refrigerant other than R410A. R410A will rise to pressure about 1.6 times higher than that of a conventional refrigerant. a) Gauge manifold How to remove
A cylinder containing R410A has a pink indication mark on the top. b) Charge hose
● A unit designed for R410A has adopted a different size indoor unit operation valve charge port and a different size check joint provided in the unit to prevent the charging of a wrong refrigerant by c) Electronic scale for refrigerant charging ● Carry out the on
mistake. The processed dimension of the flared part of a refrigerant pipe and a flare nut's parallel side measurement have also been altered to raise strength against pressure. Accordingly, you are ● Give sufficient p
d) Torque wrench
required to arrange dedicated R410A tools listed in the table on the right before installing or servicing this unit. e) Flare tool
water or foreign
● Do not use a charge cylinder. The use of a charge cylinder will cause the refrigerant composition to change, which results in performance degradation. ● Bend a pipe to
f) Protrusion control copper pipe gauge its form.
● In charging refrigerant, always take it out from a cylinder in the liquid phase.
g) Vacuum pump adapter ● Flare connection
● All indoor units must be models designed exclusively for R410A. Check connectable indoor unit models in a catalog, etc. (A wrong indoor unit, if connected into the system, will impair proper system
operation) h) Gas leak detector nut onto it. Fla
we recommend
also be used by
1. HAULAGE AND INSTALLATION (Take particular care in carrying in or moving the unit, and always perform such an operation with two or more persons.) ● The
●Tighten a flare jo
pipe should
When a unit is hoisted with slings for haulage, take into consideration the offset of its gravity CAUTION
CAUTION center position. If not properly balanced, the unit can be thrown off-balance and fall. Heavy
Pad
1) Delivery 2) Portage
'11 • PAC-T-160
● Deliverthe unit as close as possible to the installation site before removing it from the packaging. ● The right hand side of the unit as viewed from the front (diffuser side) is heavier. A person
● When some compelling reason necessitates the unpacking of the unit before it is carried in, use carrying the right hand side must take heed of this fact. A person carrying the left hand
nylon slings or protective wood pieces so as not to damage the unit by ropes lifting it. side must hold with his right hand the handle provided on the front panel of the unit and
Wooden pallet with his left hand the corner column section.
D909G K 3) Selection of installation location for the outdoor unit 5) Installation space
Besure to select a suitable installation place in consideration of following conditions. ● Walls surrounding the unit in the four sides are not acceptable.
〇 A place where it is horizontal, stable and can endure the unit weight and will not allow vibration transmittance of the unit. ● There must be a 1-meter or larger space in the above.
split PAC 〇 A place where it can be free from possibility of bothering neighbors due to noise or exhaust air from the unit ● When more than one unit are installed side by side, provide a 250mm or wider interval between them as a service space. In
〇 A place where the unit is not exposed to oil splashes. order to facilitate servicing of controllers, please provide a sufficient space between units so that their top plates can be
〇 A place where it can be free from danger of flammable gas leakage. removed easily.
〇 ● Where a danger of short-circuiting exists, install guide louvers.
efrigerant 〇
A place where drain water can be disposed without any trouble.
A place where the unit will not be affected by heat radiation from other heat source. ● When more than one unit are installed, provide sufficient intake space consciously so that short-circuiting may not occur.
〇 A place where snow will not accumulate. ● Where piling snow can bury the outdoor unit, provide proper snow guards.
〇 A place where the unit can be kept away 5m or more from TV set and/or radio receiver in order to avoid any radio or TV interference. (mm)
〇 A place where good air circulation can be secured, and enough service space can be secured for maintenance and service of the unit safely.
〇 A place where the unit will not be affected by electromagnetic waves and/or high-harmonic waves generated by other equipment. 71V L3
Intake
〇 A place where chemical substances like sulfuric gas, chloric gas, acid and alkali (including ammonia), which can harm the Example installation L2
Ⅱ Ⅲ
ation work unit, will not be generated and not remain.
Size Ⅰ
Open 500 L4
〇 A place where strong wind will not blow against the outlet air blow of the unit. L1 Open
Intake
L2 300 250 Open
rce Outlet
4) Caution about selection of installation location L3 100 150
250
100
250
( service
space ) L1
L4 250
(1) If the unit is installed in the area where the snow will accumulate, following measures are required.
eous small parts The bottom plate of unit and intake, outlet may be blocked by snow.
ual 1. Install the unit on the base so 2. Provide a snow hood to the outdoor 3. Install the unit under eaves 6) Installation
that the bottom is higher than unit on site. or provide the roof on site.
snow cover surface. Regarding outline of a snow hood, ① Anchor bolt fixed position ② Notabilia for installation
refer to our technical manual. 60
15
19
Intake Fasten with bolts
(M10-12)
340
380
418
Since drain water generated by defrost control may freeze, following measures are required. Outlet
Use a thicker block to
19
● Don’t execute drain piping work by using a drain elbow and drain grommets (optional parts). [Refer to Drain piping work.] 150 580 150 Use a long block to
extend the width. anchor deeper.
● Recommend setting Defrost Control (SW3-1) and Snow Guard Fan Control (SW3-2). [Refer to Setting SW3-1, SW3-2.] 880 87.9
(2) If the unit can be affected by strong wind, following measures are required. Anchor bolt position
Strong wind can cause damage of fan (fan motor), or can cause performance degradation, or can trigger anomalous stop
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of the unit due to rising of high pressure. ● In installing the unit, fix the unit’s legs with bolts specified on the above.
● The protrusion of an anchor bolt on the front side must be kept within 15 mm.
66 -
frigerant circuit.
1.Install the outlet air blow side of the 2.Install the outlet air blow side of 3.The unit should be installed on ● Securely install the unit so that it does not fall over during earthquakes or strong winds, etc.
d. Be sure not to
unit to face a wall of building, or the unit in a position perpendicular the stable and level foundation. ● Refer to the above illustrations for information regarding concrete foundations.
gerant leaks which provide a fence or a windbreak screen. to the direction of wind. If the foundation is not level, ● Install the unit in a level area. (With a gradient of 5 mm or less.)
tie down the unit with wires. Improper installation can result in a compressor failure, broken piping within the unit and abnormal noise generation.
air tightness test
Wind direction
nt piping work, you 7) To run the unit for a cooling operation, when the outdoor temperature
t, which can cause
is –5°C or lower.
● When the outdoor air temperature is -5°C or lower, provide a snow hood to the outdoor unit on site. So that strong wind
Over 500 mm Wind direction will not blow against the outdoor heat exchanger directly. Regarding outline of a snow hood, refer to our technical manual.
'11 • PAC-T-160
One-way pipe length after the first branching point 20m or less − L1,L2 < Twin type >
Indoor unit (The unit of which elevation difference from the outdoor unit is the largest.)
Difference of pipe length after the first branching point 10m or less − L1−L2
When the outdoor unit is positioned higher, 30m or less H H Indoor unit h
Elevation difference between
indoor and outdoor units When the outdoor unit is positioned lower, 15m or less H H
H
Elevation difference between indoor units 0.5m or less − h L1
L2
● The use restrictions appearing in the table above are applicable to the standard pipe size combinations shown in the table below. Where an existing pipe system is utilized,
CAUTION different one-way pipe length restrictions should apply depending on its pipe size. For more information, please see “ 6. UTILIZATION OF EXISTING PIPING.”
Nitrogen
Refrigerant piping (branch pipe L1,L2) φ12.7 φ9.52 Nitrogen
In the case of a twin type Relief valve
gas
Indoor unit connected φ12.7 φ6.35 Only use nitrogen Brazing
d room) gas (N2)
Capacity of indoor unit Model 40V×2
●When the 40V model is connected as an indoor unit, always use a φ9.52 liquid pipe for the branch (branching pipe – indoor unit) and a different diameter joint supplied with the branching pipe set for connection with the indoor unit (φ6.35
nts or art. CAUTION on the liquid pipe side).
If a φ6.35 pipe is used for connection with a branching pipe, a refrigerant distribution disorder may occur, causing one of the indoor units to fall short of the rated capacity.
●A riser pipe must be a part of the main. A branching pipe set should be installed horizontally at a point as close to an indoor unit as possible.
A branching part must be dressed with a heat-insulation material supplied as an accessory.
injury or frost injury. ●For the details of installation work required at and near a branching area, see the installation manual supplied with your branching pipe set.
Pipe diameter [mm] 6.35 9.52 12.7 15.88 NOTE ● Select pipes having a wall thickness larger
Minimum pipe wall thickness [mm] 0.8 0.8 0.8 1.0 than the specified minimum pipe thickness.
67 -
● Select refrigerant pipes of the table shown on the right wall thickness and
material as specified for each pipe size. Pipe material* O-type pipe O-type pipe O-type pipe O-type pipe *Phosphorus deoxidized seamless copper pipe C1220T, JIS H3300
B
pe gauge its form. diameter With an R410A tool With a conventional tool
● Flare connection is used between the unit and refrigerant pipe. Flare a pipe after engaging a flare nut
φ6.35
onto it. Flare dimensions for R410A are different from those for conventional R407C. Although we Screw φ9.52
recommend the use of flaring tools designed specifically for R410A, conventional flaring tools can also 0∼0.5 0.7∼1.3
be used by adjusting the measurement of protrusion B with a protrusion control gauge. φ12.7
● The pipe should be anchored every 1.5m or less to isolate the vibration. Side cover φ15.88
) ●Tighten a flare joint securely with a double spanner.
Do not apply force beyond proper fastening torque in tightening the flare nut.
CAUTION Fix both liquid and gas service valves at the valve main bodies as illustrated on the right, and then fasten them, applying appropriate fastening torque.
Heavy
Operation valve size Tightening torque Tightening angle Recommended length
(mm) (N-m) (°) of a tool handle
'11 • PAC-T-160
(mm)
Use a torque wrench. If a torque
φ6.35 (1/4") 14∼18 45∼60 150 wrench is not available, fasten the
φ9.52 (3/8") 34∼42 30∼45 200 flare nut manually first and then
φ12.7 (1/2") 49∼61 30∼45 250 Do not hold the valve cap area with a spanner. tighten it further, using the left
φ15.88(5/8") 68∼82 15∼20 300 table as a guide.
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INSTALLATION MANUAL
MANUAL FOR
FOR OUTDOOR
OUTDOOR UNIT
UNIT
Inverter driven single split PAC 〇 Asure
Be to where
place select i
INSTALLATION
Inverter driven single split PAC 〇 A place where i
100VN~140VN,100VS~140VS 〇 A place where it
100VN~140VN,100VS~140VS 〇 A place where ti
100VNX~140VNX,100VSX~140VSX 〇 A place where id
◎This installation manual deals with outdoor units and general installation specifications only. For indoor units, refer to the respective installation manuals 100VNX~140VNX,100VSX~140VSX 〇 A place where dt
◎This installation
supplied with themanual
units. deals with outdoor units and general installation specifications only. For indoor units, refer to thePagerespective
56. installation manuals Designed for R410A refrigerant 〇 A place where ts
◎When
supplied withthe
install theunit,
units.be sure to check whether the selection of installation place, power supply specifications, usage limitation (piping length, height Designed for R410A refrigerant 〇 A place
place where
whereths
◎When installbetween
differences the unit,indoor
be sure
andtooutdoor
check whether the selection
units, power of installation
supply voltage and etc.)place, power supply
and installation specifications, usage limitation (piping length, height
spaces. 〇 A place where
where goo
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differences between indoor and outdoor units, power supply voltage and etc.) and installation spaces. Check before installation work place where
〇 A place
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SAFETY PRECAUTIONS Check before installation work 〇 unit, willwhere
A place not bec
●
SAFETY PRECAUTIONS
We recommend you to read this “SAFETY PRECAUTIONS” carefully before the installation work in order to gain full advantage of the functions of the unit and to
[ Accessory ] 〇 unit,
A place
will where
not bes
〇 A place where s
[ Accessory ]
● We recommend
avoid youdue
malfunction to to
read this “SAFETY
mishandling. PRECAUTIONS” carefully before the installation work in order to gain full advantage of the functions of the unit and to 4) Caution ab
avoidprecautions
● The malfunctiondescribed
due to mishandling.
below are divided into WARNING and CAUTION . The matters with possibilities leading to serious consequences such as 4) (1)Caution
If the unit isab
ins
● The
deathprecautions
or serious described below due
are to
divided into WARNING andin theCAUTION . The matters
and thewith possibilities leading toleading
serioustoconsequences such
or as
Edging 1 piece knock-out hole protection
personal injury erroneous handling are listed WARNING matters with possibilities personal injury
Edging 1 piece knock-out hole protection
(1) The
If thebottom
unit isplat
ins
death
damage or of
serious personal
the unit due toinjury due tohandling
erroneous erroneous handling
including are listedleading
probability WARNING
in the to serious and the inmatters
consequences with possibilities
some cases are listed inleadingCAUTION
to personal. These
injury or
are The bottom
1.Install the unitplat
on
damage of the unit
very important due to erroneous
precautions handling
for safety. Be sureincluding probability
to observe all ofleading to serious
them without consequences in some cases are listed in
fail. CAUTION . These are that the
1.Install thebottom
unit oni
verymeaning
● The important precautions
of "Marks" usedfor safety.
here are asBeshown
sure to observe all of them without fail.
below. ● Model name and power source snowthe
that cover surfai
bottom
● The meaning of "Marks" used here are as shown below. ●
● Model namepiping
Refrigerant and power
lengthsource snow cover surfa
Never do it under any circumstance. Always do it according to the instruction ●
Never do it under any circumstance. Always do it according to the instruction ● Refrigerant piping
Piping, wiring and length
miscellaneous small parts
● For 3 phase power source outdoor unit,EN61000-3-2 is not applicable if consent by the utility company or nortification to the utility company is given before usage. ●
● Piping, wiring
Indoor unit and miscellaneous
installation manual small parts
● For
3 phase power
3 phase source
power unit,outdoor
source both indoor and outdoor, isis not
unit,EN61000-3-2 suitable for installation
applicable if consent inbyathe
commercial and light
utility company industrial environment.
or nortification to the utility Ifcompany
installedisasgiven
a house-hold
before usage. ● Indoor unit installation manual
● 3appliance
phase powerit could cause
source electromagnetic
unit, both indoor and interference.
outdoor, is suitable for installation in a commercial and light industrial environment. If installed as a house-hold
●5 and 6 HPit units
appliance could ofcause
singleelectromagnetic
phase power source are equipment complying with IEC 61000-3-12.
interference.
●5Beand
sure6 to
HPconfirm
units ofnosingle
anomaly
phase onpower
the equipment
source arebyequipment
commissioning after completed
complying installation and explain the operating methods as well as the maintenance
with IEC 61000-3-12. Since drain water ge
● Be
methods
sure toofconfirm
this equipment
no anomaly to the
on user according to
the equipment by the owner's manual.
commissioning after completed installation and explain the operating methods as well as the maintenance ● Don’t
Since execute
drain waterdra
ge
● Keep the installation
methods manual to
of this equipment together
the userwithaccording
owner's manual at a place
to the owner's where any user can read at any time. Moreover if necessary, ask to hand them to a new user
manual. ● Don’t
Recommend
executesetti
dra
● Keep the installation manual together with owner's manual at a place where any user can read at any time. Moreover if necessary, ask to hand them to a new user ● Recommend setti
(2) If the unit can b
(2) Strong wind
If the unit cancan
b
WARNING stop of wind
Strong the unit
can
Failure If air enters in the refrigerant circuit, the pressure in the refrigerant
● Ensure that no air enters in the refrigerant circuit when the unit is installed and removed. circuit becomes too high, which can cause burst and
● Be suretotoshut
shutoffoff
thethepower
power canbefore
cause starting
electric shocks,
electrical unitwork.
failure or incorrect function of equipment.
personal injury.
If air enters in the refrigerant circuit, the pressure in the refrigerant circuit becomes too high, which can cause burst and
● Failure
Be suretotoshut useoffthethecables
powerconformed
can cause electric
to safety shocks,
standard unit and
failure or incorrect
cable ampacity function of equipment.
for power distribution work. Main pipe length
● personal
Do not run injury.
the unit with removed panels or protections
● Be
Unconformable
sure to use cables
the cables can cause
conformedelectrictoleak,
safety anomalous
standardheat andproduction or fire. for power distribution work.
cable ampacity Touching rotating equipments, hot surfaces or protections
high voltage parts can cause personal injury due to entrapment, burn or electric Main pipe length
● Do not run the unit with removed panels or
● Unconformable
Use the prescribed cables can cause
cables electric leak,
for electrical anomalous
connection, heat production
tighten the cablesorsecurely
fire. in terminal block and relieve the cables correctly to prevent shocks. rotating equipments, hot surfaces or high voltage parts can cause personal injury due to entrapment, burn or electric
Touching One-way pipe length betwe
overloading
● Use the terminal
the prescribed cablesblocks.
for electrical connection, tighten the cables securely in terminal block and relieve the cables correctly to prevent branching point from to the
Loose connections or cableblocks.
mountings can cause anomalous heat production or fire. ● shocks.
Be sure to fix up the service panels. One-way
branchingpipe
pointlength betwe
overloading the terminal Incorrect fixing can cause electric shocks or fire due to intrusion of dust or water. branching point from to the
● Be sure to fix up the service panels. branching pointlength after
● Loose
Arrange connections
the wiringorincable mountings
the control boxcanso cause
that it anomalous
cannot be heat pushedproduction
up furtheror fire.
into the box. Install the service panel correctly. One-way pipe
Incorrect the installation may ● Incorrect
Do not perform fixing can anycause
repairselectric shocks or fireby
or modifications due to intrusion
yourself. of dust
Consult theordealer
water.if the unit requires repair. branching point
● Arrange wiring in theresult
controlin overheating
box so thatand fire. be pushed up further into the box. Install the service panel correctly.
it cannot If you
One-way pipe length after t
Incorrect installation may result in overheating and fire. ● Do notrepair
perform or modify the unit,
any repairs oritmodifications
can cause water by leaks, electric
yourself. shocks
Consult theordealer
fire. if the unit requires repair. branching
One-way pipepointlength after
If you repair or modify the unit, it can cause water leaks, electric shocks or fire. first branching point and se
One-way
branchingpipe
pointlength after
first branching point and se
branchingpipe
pointlength differe
CAUTION
One-way
from the first branching po
CAUTION
One-way
the indoorpipe
unitlength differe
from the first branching po
● Carry out the electrical work for ground lead with care ● Do not use the base flame for outdoor unit which is corroded or damaged due to long periods of operation. the indoorpipe
One-way unit length differe
Do notout connect the ground leadfor
to the gas line, from the second branching
● Carry the electrical work ground leadwater line, lightning conductor or telephone line's ground lead. Incorrect grounding can cause unit faults such as
with care Using
● Do notanuse oldthe
andbase
damageflame baseforflame
outdoor canunit
cause the unit
which falling down
is corroded and causedue
or damaged personal injury.
to long periods of operation. One-way pipeunit
to the indoor length differe
electric
Do shocks due
not connect to short-circuiting.
the ground lead to the gas Never line,connect
water the line,grounding wire to a gas
lightning conductor pipe because
or telephone line'sif ground
gas leaks,it
lead.could cause
Incorrect explosioncan
grounding or ignition.
cause unit faults such as ● Using
Do notaninstall
old and thedamage
unit in base flame canlisted
the locations causebelow
the unit falling down and cause personal injury. from the second branching
to the indoor unit betwe
● electric
Use theshocks
circuitdue breaker for all pole with
to short-circuiting. Never correct
connect capacity.
the grounding wire to a gas pipe because if gas leaks,it could cause explosion or ignition. Do not installwhere
● ・Locations carbon
the unit fiber,
in the metal powder
locations listed or any powder is floating.
below
Elevation difference
indoor and outdoor units
Usingthe
● Use thecircuit
incorrect circuitfor
breaker breaker,
all pole it can
withcause
correct the unit malfunction and fire.
capacity. ・Locations where any substances that can affect
・Locations where carbon fiber, metal powder or any powder is floating. the unit such as sulphide gas, chloride gas, acid and alkaline can occur. Elevation difference betwee
Elevation
indoor anddifference betwee
outdoor units
● Using
Installtheisolator or disconnect
incorrect circuit breaker, switchit canoncausethe powerthe unitsupply wiringand
malfunction in accordance
fire. with the local codes and regulations. ・Vehicles and
・Locations shipsany substances that can affect the unit such as sulphide gas, chloride gas, acid and alkaline can occur.
where
where Elevation difference betwee
The isolator
● Install isolator should be locked inswitch
or disconnect accordanced on thewith power EN60204-1.
supply wiring in accordance with the local codes and regulations. ・Locationsand
・Vehicles shipscosmetic or special sprays are often used.
● The
Takeisolator
care when shouldcarrying
be locked theinunit by hand. with EN60204-1.
accordanced ・Locations where
・Locations with direct exposure
cosmetic of oil mist
or special andare
sprays steam
oftensuch
used.as kitchen and machine plant. CAUTION
If the care
● Take unit weights more than
when carrying the20kg,
unit itbymust hand. be carried by two or more persons. Do not carry by the plastic straps, always use the carry handle when carrying the ・Locations with
・Locations
・Locations where
・Locations
where any exposure
direct
with salty
machinesofwhich
anyatmospheres
machines which
generate
oil mist and steam
suchgenerate
high such
as coastlines
frequency harmonics
as kitchen
high frequency harmonics are used.
are used.plant.
and machine CAUTION
If the unit weights more than 20kg, it must be carriedbybythe
unit by hand. Use gloves to minimize the risk of cuts twoaluminum fins.
or more persons. Do not carry by the plastic straps, always use the carry handle when carrying the ・Locations with with salty
heavyatmospheres
snow (If installed, be coastlines
sure to provide base flame and snow hood mentioned in the manual)
● unit
Dispose
by hand.of any Usepacking
gloves tomaterials
minimizecorrectly.
the risk of cuts by the aluminum fins. ・Locations such as
・Locations with
・Locations where the unit
heavy snow is exposed to chimney
(If installed, be sure tosmoke
provide base flame and snow hood mentioned in the manual)
Any remaining
● Dispose of anypacking
packingmaterials
materialscan cause personal injury as it contains nails and wood. And to avoid danger of suffocation, be sure to keep the plastic at highthealtitude N
wrapper away from children and tocan
correctly.
dispose
・Locations where
・Locations unit is(more
exposedthanto1000m
chimney high)
smoke
Any remaining packing materials causeafter tear it up.
personal injury as it contains nails and wood. And to avoid danger of suffocation, be sure to keep the plastic ・Locations at
・Locations with ammonic
high altitudeatmospheres
(more than 1000m high) N
● wrapper
Pay attentionaway not fromtochildren
damage andthetodrain
dispose panafter by weld
tear itspatter
up. when welding work is done near the indoor unit. ・Locations with where heat radiation from other heat source can affect the unit
If weldattention
● Pay spatter entered
not tointodamage
the indoor the
unit during
drainwelding
pan bywork, weldit can cause pin-hole
spatter when inwelding
drain panwork and result in water
is done leakage.
near the To preventunit.
indoor such damage, keep the indoor unit in its packing or cover it.
・Locations
・Locations where
・Locations
ammonic
withoutheat
atmospheres
goodradiation
air circulation.
from other heat source can affect the unit 2) Determina
● IfBe sure
weld to insulate
spatter entered intothetherefrigerant
indoor unit duringpipes so as
welding work,notit can
to condense
cause pin-hole thein ambient
drain pan and airresult
moisture
in wateron them.
leakage. To prevent such damage, keep the indoor unit in its packing or cover it. ・Locations without
・Locations with anygood
where
obstacles
short
which can prevent inlet and outlet air of the unit
air circulation.
circuit which
of air can
2)
● Determina
Determine refrige
Insufficient
● Be insulationthe canrefrigerant
cause condensation, which cancondense
lead to moisture damage airon the ceiling, floor, furniture and any other valuables. ・Locations with
・Locations any obstacles canoccur
prevent(in inlet
caseandof multiple
outlet airunits installation)
of the unit
sure to insulate pipes so as not to the ambient moisture on them. ・Locations where
・Locations where short
strongcircuit
air blows
of airagainst
can occurthe air
(in outlet
case ofofmultiple
outdoorunitsunit installation) ● Determine refrige
● Insufficient
Be sure to insulation
perform air cantightness test by pressurizing
cause condensation, which canwith leadnitrogen
to moisture gasdamage
after completed refrigerant
on the ceiling, pipingand
floor, furniture work.
any other valuables. It can cause remarkable decrease in against
performance,
If the density of refrigerant exceedstest the bylimitpressurizing
in the event with of refrigerant ・Locations where strong air blows the aircorrosion and damage
outlet of outdoor unit of components, malfunction and fire.
● Be sure to perform air tightness nitrogenleakage
gas after in the small room,
completed lack of oxygen
refrigerant pipingcan occur, which can cause serious accidents.
work.
● ItDo
cannotcause remarkable
install the outdoor decrease
unit ininthe performance, corrosion
locations listed below. and damage of components, malfunction and fire.
● IfPerform
the densityinstallation workexceeds
of refrigerant properlytheaccording
limit in thetoevent this installation
of refrigerantmanual.
leakage in the small room, lack of oxygen can occur, which can cause serious accidents.
Improperinstallation
installation can cause abnormal vibrations or increased noise generation. Do not installwhere
● ・Locations discharged
the outdoor unithot in air
theorlocations
operatinglisted
soundbelow.
of the outdoor unit can bother neighborhood.
● Perform work properly according to this installation manual. where discharged
outlet air of hot the air
outdoor unit blows directly
・Locations where
・Locations or operating sound of thetooutdoor
an animal
unitorcan
plants. Theneighborhood.
bother outlet air can affect adversely to the plant etc.
● Improper
Earth leakage breaker
installation canmust
causebe installedvibrations or increased noise generation.
abnormal where outlet
vibration
・Locations where
・Locations air can
of the beoutdoor
amplifiedunitand transmitted
blows directly to due antoanimal
insufficient strength
or plants. of structure.
The outlet air can affect adversely to the plant etc.
If the earth
● Earth leakage breaker is not installed, it can cause fire or electric shocks. where vibration
vibration can and be operation sound
leakage breaker must be installed ・Locations where
・Locations amplified and generated
transmittedbydue thetooutdoor unit can
insufficient affectofseriously.
strength structure.(on the wall or at the place near bed room) In the case of a single type
● IfDothe
not useleakage
earth any materials
breakerother is not than a fuse
installed, with
it can the correct
cause ratingshocks.
fire or electric in the location where fuses are to be used. ・Locations where
・Locations where vibration
an equipment affected by
and operation highgenerated
sound harmonicsbyis the placed. (TV set
outdoor unitorcan
radio receiver
affect is placed
seriously. within
(on the wall 5m)
or at the place near bed room)
・Locations where where an drainage cannot run offbysafely. In the case of a single type
Connecting
● Do not use the anycircuit with copper
materials other than wireaorfuse otherwith metalthethread
correct canrating
causeinunit thefailure
location andwhere
fire. fuses are to be used. ・Locations equipment affected high harmonics is placed. (TV set or radio receiver is placed within 5m)
● Connecting
Do not install thethe unitwith
circuit nearcopper
the location
wire or otherwheremetal leakagethread of can
combustible
cause unitgases failurecan andoccur.
fire. It can affect surrounding
・Locations where drainage environment
cannot run andoffcause
safely.a claim
If leaked
● Do gasesthe
not install accumulate
unit neararound the unit,
the location it canleakage
where cause fire. of combustible gases can occur. ● ItDo
cannotaffect
use surrounding environment
the unit for special and cause
purposes suchaasclaimstoring foods, cooling precision instruments and preservation of animals, plants or art. In the case of a twin type
● IfDoleaked
not install the unit where
gases accumulate aroundcorrosive
the unit, itgas can (such as sulfurous acid gas etc.) or combustible gas (such as thinner and petroleum gases) can
cause fire. It can
● Do notcause
use thethe unit
damage of the items.
for special purposes such as storing foods, cooling precision instruments and preservation of animals, plants or art. In the case of a twin type
accumulate
● Do not install or the
collect,
unitorwhere
wherecorrosive
volatile combustible
gas (such as substances
sulfurousare acidhandled.
gas etc.) or combustible gas (such as thinner and petroleum gases) can ● ItDocan
notcause
touchthe anydamage
buttons of the
withitems.
wet hands
Corrosive gasorcan causeor corrosion of heat exchanger, breakage of plastic
areparts and etc. And combustible gas can cause fire. It can
accumulate collect, where volatile combustible substances handled. ● Do notcause
touchelectric shockswith wet hands
any buttons
● Corrosive
Secure a gas space canfor
causeinstallation,
corrosioninspection
of heat exchanger, and maintenance
breakage ofspecified
plastic parts in the andmanual.
etc. And combustible gas can cause fire. ● ItDocan
notcause
touchelectric shocks pipes with your hands when the system is in operation.
any refrigerant
In the case of a triple type A
● Insufficient
Secure a space spacefor caninstallation,
result in accident
inspection such as and personal
maintenanceinjury due to fallinginfrom
specified the installation place..
the manual. During
● Do not operation
touch anythe refrigerantpipes
refrigerant pipeswithbecomeyourextremely
hands when hot ortheextremely
systemcoldis independing
operation.the operating condition, and it can cause burn injury or frost injury.
In the case of a triple type A
● Insufficient
When the outdoor spaceunitcanisresult
installed on a roof such
in accident or a high place, provide
as personal injurypermanent ladders
due to falling from andthehandrails alongplace..
installation the access route and fences and handrails around the outdoor unit.
● During
Do not operation
clean up the therefrigerant
unit with water pipes become extremely hot or extremely cold depending the operating condition, and it can cause burn injury or frost injury.
If safety
● When thefacilities
outdoor unit are isnotinstalled
provided, on aitroof
canorcausea highpersonal injurypermanent
place, provide due to falling fromand
ladders thehandrails
installation
alongplace.
the access route and fences and handrails around the outdoor unit. It can
● Do notcause
cleanelectric
up theshocks
unit with water
● IfDosafety
not install
facilities norareusenotthe systemit close
provided, can cause to thepersonal
equipment injurythat
duegenerates
to falling from electromagnetic
the installationfields
place.or high frequency harmonics
Equipment such ● ItDocan
notcause
operateelectric
the shocks
outdoor unit with any article placed on it.
● Do not install norasuseinverters,
the systemstandby generators,
close medical high
to the equipment thatfrequency
generatesequipmentselectromagnetic and telecommunication
fields or high frequencyequipments can affect the system, and cause
harmonics Younot
mayoperate
incur property damage
In the case of a triple type B
malfunctionssuch
Equipment andas breakdowns. The system
inverters, standby can alsomedical
generators, affect medical equipment
high frequency and telecommunication
equipments equipment,equipments
and telecommunication and obstructcan
its affect
functiontheorsystem,
cause jamming.
and cause ● Do the outdoor unitorwith
personal injure from
any article placeda fallonofit.the article.
In the case of a triple type B
● malfunctions
Do not installand thebreakdowns.
outdoor unitThe in asystem
location canwhere insects
also affect and small
medical equipment animals and can inhabit.
telecommunication equipment, and obstruct its function or cause jamming. ● You maystep
Do not incuronto
property damageunit.
the outdoor or personal injure from a fall of the article.
Insects and small animals can enter the electric parts and cause damage or fire. Instruct the user to keep the surroundings clean. Younot
● Do maystepincuronto
injury
thefrom a dropunit.
outdoor or fall.
● Do not install the outdoor unit in a location where insects and small animals can inhabit.
Insects and small animals can enter the electric parts and cause damage or fire. Instruct the user to keep the surroundings clean. You may incur injury from a drop or fall.
CAUTION
CAUTION
Notabilia as a unit designed for R410A Dedicated R410A tools
Notabilia as a unit designed for R410A a) Dedicated R410A tools
Gauge manifold
● Do not use any refrigerant other than R410A. R410A will rise to pressure about 1.6 times higher than that of a conventional refrigerant. a)
b) Gauge
Charge manifold
hose
● Do
A cylinder
not use containing R410Aother
any refrigerant has than
a pink indication
R410A. mark
R410A willonrise
thetotop.
pressure about 1.6 times higher than that of a conventional refrigerant. b)
c) Charge hose
Electronic scale for refrigerant charging
● A unit designed
cylinder for R410A
containing R410Ahashasadopted a differentmark
a pink indication size onindoor unit operation valve
the top. charge port and a different size check joint provided in the unit to prevent the charging of a wrong refrigerant by mistake. c) Electronic scale for refrigerant charging
d) Torque wrench
● The processed
A unit designeddimension
for R410Aofhas
the adopted
flared part of a refrigerant
a different pipeunit
size indoor and operation
a flare nut's
valveparallel
chargeside
portmeasurement havesize
and a different also beenjoint
check altered to raise
provided in strength against
the unit to pressure.
prevent Accordingly,
the charging you are
of a wrong required by
refrigerant to mistake.
arrange d)
e) Torque wrench
Flare tool About brazin
dedicated
The R410A
processed tools listed
dimension in the
of the tablepart
flared on of
thea right before pipe
refrigerant installing
and aorflare
servicing
nut's this unit.side measurement have also been altered to raise strength against pressure. Accordingly, you are required to arrange
parallel About brazin
e)
f) Flare tool control copper pipe gauge
Protrusion
● dedicated
Do not useR410A
a charge
toolscylinder.
listed in The
the use
tableofona the
charge
rightcylinder
before will causeortheservicing
installing refrigerant
thiscomposition
unit. to change, which results in performance degradation. Brazing mu
● Do
In charging
not use arefrigerant, always The
charge cylinder. take use
it out
of from a cylinder
a charge in will
cylinder the liquid
cause phase.
the refrigerant composition to change, which results in performance degradation. )
gf) Protrusion
Vacuum pump control copper pipe gauge
adapter
Brazing mu
Without nitro
● In
All charging
indoor units must bealways
refrigerant, modelstake
designed exclusively
it out from for R410A.
a cylinder Checkphase.
in the liquid connectable indoor unit models in a catalog, etc. (A wrong indoor unit, if connected into the system, will impair proper system operation) g
h)) Vacuum
Gas leakpump adapter
detector
● All indoor units must be models designed exclusively for R410A. Check connectable indoor unit models in a catalog, etc. (A wrong indoor unit, if connected into the system, will impair proper system operation) h) Gas leak detector Without
created, nitro
caus
created, caus
1. HAULAGE
1. HAULAGE AND
AND INSTALLATION
INSTALLATION (Take particular care in carrying in or moving the unit, and always perform such an operation with two or more persons.)
(Take particular care in carrying in or moving the unit, and always perform such an operation with two or more persons.)
When a unit is hoisted with slings for haulage, take into consideration the offset of its gravity Pad
CAUTION center aposition.
When unit is hoisted with slings for haulage, take into consideration the offset of its gravity Pad Heavy 3) Refrigeran
CAUTION If not properly
center position.balanced, the unit can be thrown off-balance and fall.
Heavy 3)●Refrigeran
Select refrigeran
1) Delivery If not properly balanced, the unit can be thrown off-balance and fall. 2) Portage specified
● Select for eac
refrigeran
1) ●Delivery
Deliver the unit as close as possible to the installation site before removing it from the packaging. 2) ●Portage
The right hand side of the unit as viewed from the front (diffuser side) is heavier. A person ● specified
This unit uses R
for eac
● Deliver the unit
When some as close reason
compelling as possible to the installation
necessitates site before
the unpacking of the removing it from
unit before the
it is packaging.
carried in, use carrying
● The rightthe right
hand hand
side of side mustastake
the unit heedfrom
viewed of this
the fact.
front A(diffuser
person side)
carrying the left hand
is heavier. side
A person or larger
● This unit pipes,
uses R
nylon slings or protectivereason
wood necessitates
pieces so as the
not unpacking
to damageofthe must holdthewith
carrying righthishand
rightside
handmust
the take
handle provided
heed of this on the Afront
fact. panel
person of the the
carrying unitleft
andhand
withside
his or larger pipes,
● When some compelling theunit
unitbybefore
ropes itlifting it.
is carried in, use Wooden pallet left hand
nylon slings or protective wood pieces so as not to damage the unit by ropes lifting it. must holdthe corner
with column
his right section.
hand the handle provided on the front panel of the unit and with his
Wooden pallet left hand the corner column section.
- 72 -
'11 • PAC-T-160
2D955F 3) Selection of installation location for the outdoor unit 5) Installation space
Be sure to select a suitable installation place in consideration of following conditions. ● Walls surrounding the unit in the four sides are not acceptable.
〇 A place where it is horizontal, stable and can endure the unit weight and will not allow vibration transmittance of the unit. ● There must be a 1-meter or larger space in the above.
t PAC ● Where a danger of short-circuiting exists, install guide louvers.
〇 A place where it can be free from possibility of bothering neighbors due to noise or exhaust air from the unit
140VS 〇 A place where the unit is not exposed to oil splashes. ● When more than one unit are installed, provide sufficient intake space consciously so that short-circuiting
● Where piling snow can bury the outdoor unit, provide proper snow guards.
may not occur.
〇 A place where it can be free from danger of flammable gas leakage.
~140VSX 〇 A place where drain water can be disposed without any trouble. ● A barrier wall placed in front of the exhaust diffuser must not be higher than the unit.
〇 A place where the unit will not be affected by heat radiation from other heat source.
gerant 〇 A place where snow will not accumulate.
〇 A place where the unit can be kept away 5m or more from TV set and/or radio receiver in order to avoid any radio or TV interference. (mm)
Intake L3
Example installation
〇 A place where good air circulation can be secured, and enough service space can be secured for maintenance and service of the unit safely. Size Ⅰ Ⅱ Ⅲ L2
〇 A place where the unit will not be affected by electromagnetic waves and/or high-harmonic waves generated by other equipment. L1 Open Open 500 L4
〇 A place where chemical substances like sulfuric gas, chloric gas, acid and alkali (including ammonia), which can harm the L2 300 5 Open Intake
unit, will not be generated and not remain. L3 150 300 150
〇 A place where strong wind will not blow against the outlet air blow of the unit. L4 5 5 5
Outlet
( service
space ) L1
20
snow cover surface. Fasten with bolts
Regarding outline of a snow
(M10-12)
hood, refer to our technical
410
manual.
Outlet
20
190 580 200 Use a thicker block to anchor deeper.
Use a long block to extend the width.
● In installing the unit, fix the unit’s legs with bolts specified on the left.
Since drain water generated by defrost control may freeze, following measures are required. ● The protrusion of an anchor bolt on the front side must be kept within 15 mm.
● Don’t execute drain piping work by using a drain elbow and drain grommets (optional parts). [Refer to Drain piping work.]
● Securely install the unit so that it does not fall over during earthquakes or strong winds, etc.
● Recommend setting Defrost Control (SW3-1) and Snow Guard Fan Control (SW3-2). [Refer to Setting SW3-1, SW3-2.]
● Refer to the left illustrations for information regarding concrete foundations.
(2) If the unit can be affected by strong wind, following measures are required. ● Install the unit in a level area. (With a gradient of 5 mm or less.)
Strong wind can cause damage of fan (fan motor), or can cause performance degradation, or can trigger anomalous Improper installation can result in a compressor failure, broken piping within the unit and abnormal noise generation.
stop of the unit due to rising of high pressure.
1.Install the outlet air blow side of the 2.Install the outlet air blow side of 3.The unit should be installed on
unit to face a wall of building, or the unit in a position perpendicular the stable and level foundation. 7) To run the unit for a cooling operation, when the outdoor temperature
provide a fence or a windbreak screen. to the direction of wind. If the foundation is not level,
tie down the unit with wires. is –5°C or lower.
nt circuit. Wind direction ● When the outdoor air temperature is -5°C or lower, provide a snow hood to the outdoor unit on site.
sure not to So that strong wind will not blow against the outdoor heat exchanger directly. Regarding outline of a snow hood,
refer to our technical manual.
leaks which
g work, you
h can cause
● The use restrictions appearing in the table above are applicable to the standard pipe size combinations shown in the table below. Where an existing pipe system is
CAUTION utilized, different one-way pipe length restrictions should apply depending on its pipe size. For more information, see “ 6. UTILIZATION OF EXISTING PIPING.” < Triple type >
● With the triple pipe connection, the way of use is different when the difference of one-way pipe length after the first branching point is 3m to 10m. For details, refer
to the above table and right figure. Type A Indoor unit
(The unit of which elevation difference from the outdoor unit is the largest.)
Note (1) Install the indoor units so that L + L1 becomes the longest one-way pipe.
Keep the pipe length difference between L1 and (La + L2) or (La + L3) within 10m.
Indoor unit
h1
2) Determination of pipe size Indoor unit h2
h3
● Determine refrigerant pipe size pursuant to the following guidelines based on the indoor unit specifications. L2
Model 100V Model 125V Model 140V
H L1
Gas pipe Liquid pipe Gas pipe Liquid pipe Gas pipe Liquid pipe L3
φ15.88 φ9.52 φ15.88 φ9.52 φ15.88 φ9.52
Outdoor unit connected Flare Flare Flare Flare Flare Flare
Refrigerant piping (branch pipeL) φ15.88 φ9.52 φ15.88 φ9.52 φ15.88 φ9.52
Indoor unit connected φ15.88 φ9.52 φ15.88 φ9.52 φ15.88 φ9.52
In the case of a single type L (riser)
Capacity of indoor unit Model 100V Model 125V Model 140V Outdoor unit
Branching pipe set DIS-WA1 DIS-WA1 DIS-WA1
Refrigerant piping (branch pipe L1,L2) φ12.7 φ9.52 φ12.7 φ9.52 φ15.88 φ9.52
rt. In the case of a twin type φ6.35 φ6.35 φ15.88 φ9.52
Indoor unit connected φ12.7 φ12.7
Capacity of indoor unit Model 50V×2 Model 60V×2 Model 71V×2
< Triple type >
Branching pipe set DIS-TA1
Type B Indoor unit
Refrigerant piping (branch pipe L1,L2,L3) φ12.7 φ9.52
In the case of a triple type A − −
Indoor unit connected φ12.7 φ6.35
Indoor unit
r frost injury. Capacity of indoor unit Model 50Vx3 h1
Branching pipe set DIS-WA1 h3
Indoor unit
Refrigerant piping (branch pipe La) φ15.88 φ9.52 h2
Refrigerant piping (branch pipe L1) φ12.7 φ9.52
In the case of a triple type B Indoor unit connected − − DIS-WA1
φ12.7
L2
Refrigerant piping (branch pipe L2,L3) φ9.52 H L3
Indoor unit connected φ12.7 φ6.35
Capacity of indoor unit Model 50V×3 La
L1
● When the 50V or 60V model is connected as an indoor unit, always use a φ9.52 liquid pipe for the branch (branching pipe – indoor unit) and a different
CAUTION diameter joint supplied with the branching pipe set for connection with the indoor unit (φ6.35 on the liquid pipe side).
s If a φ6.35 pipe is used for connection with a branching pipe, a refrigerant distribution disorder may occur, causing one of the indoor units to fall short of L (riser)
the rated capacity. Outdoor unit
● A riser pipe must be a part of the main. A branching pipe set should be installed horizontally at a point as close to an indoor unit as possible.
A branching part must be dressed with a heat-insulation material supplied as an accessory.
charging ● For the details of installation work required at and near a branching area, see the installation manual supplied with your branching pipe set.
About brazing
Primary side Secondary side
gauge
Brazing must be performed under a nitrogen gas flow. Station valve
Plug the end of the pipe with tape, or other 0.5MPa
Without nitrogen gas, a large quantity of foreign matters (oxidized film) are Taping <N2> material, and fill the pipe with nitrogen gas.
Hand
created, causing a critical failure from capillary tube or expansion valve clogging.
Nitrogen
- 73 -
'11 • PAC-T-160
B
Copper Copper ●The specifications show
In the case of a rigid (clutch) type
enter the piping. pipe outer A 0 pipe outer instructions of the indoo
● Bend a pipe to a radius as large as practical.(R100∼R150) Do not bend a pipe repeatedly to correct its form. diameter ー0. 4 diameter With an R410A tool With a conventional tool ●Switchgear or Circuit br
● Flare connection is used between the unit and refrigerant pipe. Flare a pipe after engaging a flare nut onto it. Flare dimensions ●The cable specifications
φ6.35 9.1 φ6.35 voltage drop is 2%. Fo
for R410A are different from those for conventional R407C. Although we recommend the use of flaring tools designed specifically φ9.52 13.
2 φ9.52 country.
for R410A, conventional flaring tools can also be used by adjusting the measurement of protrusion B with a protrusion control 0∼0.5 0.7∼1.3
gauge. φ12.7 16.6 φ12.7
5. TEST RU
● The pipe should be anchored every 1.5m or less to isolate the vibration. φ15.88 19.7 φ15.88
●Tighten a flare joint securely with a double spanner.
Do not apply force beyond proper fastening torque in tightening Operation valve size Tightening torque Tightening angle Recommended length Do not hold the valve cap area with a spanner. ●
CAUTION (mm) (N-m) (°) of a tool handle (mm) WARNING ●
the flare nut.
φ6.35 (1/4") 14∼18 45∼60 150 ●
Fix both liquid and gas service valves at the valve main bodies as illustrated Use a torque wrench. If a torque wrench is not available, ●
φ9.52 (3/8") 34∼42 30∼45 200
on the right, and then fasten them, applying appropriate fastening torque. ●
φ12.7 (1/2") 49∼61 30∼45 250 fasten the flare nut manually first and then tighten it
further, using the left table as a guide.
φ15.88 (5/8") 68∼82 15∼20 300
5) Air tightness test Gas side CAUTION
●
●
① Although outdoor and indoor units themselves have been tested for air tightness at the factory, check the connecting pipes after the installation work for air tightness from the operation valve’s check joint equipped on the Outdoor unit operation valve Indoor unit ●
outdoor unit side. While conducting a test, keep the operation valve shut all the time. Check joint ●
a) Raise the pressure to 0.5 MPa, and then stop. Leave it for five minutes to see if the pressure drops. rize
b) Then raise the pressure to 1.5 MPa, and stop. Leave it for five more minutes to see if the pressure drops. ssu
Pre
Close
c) Then raise the pressure to the specified level (4.15 MPa), and record the ambient temperature and the pressure.
d) If no pressure drop is observed with an installation pressurized to the specified level and left for about one day, it is acceptable. When the ambient Temperature fall 1℃, the pressure also fall approximately 0.01 MPa. The
pressure, if changed, should be compensated for.
1) Test run m
e) If a pressure drop is observed in checking e) and a) – d), a leak exists somewhere. Find a leak by applying bubble test liquid to welded parts and flare joints and repair it. After repair, conduct an air-tightness test again. (1) A test run can
setting.
② In conducting an air-tightness test, use nitrogen gas and pressurize the system with nitrogen gas from the gas side. Do not use a medium other than nitrogen gas under any circumstances. (2) Switching SW3
(3) The unit will start
6) Evacuation Airtighteness test completed
(4) Do not fail to s
Pay attention to the following points in addition to the above for
<Work flow> When the system has remaining moisture Vacuuming begins
inside or a leaky point, the vacuum gauge
Run the vacuum pump for at least one hour after the vacuum gauge shows the R410A and compatible machines. 2) Checking
-101kPa or lower. (-755mmHg or lower)
indicator will rise. Vacuuming completed ○To prevent a different oil from entering, assign dedicated tools, etc. to each Use check joints pro
Check the system for a leaky point and Confirm that the vacuum gauge indicator does not rise even if the system is refrigerant type. Under no circumstances must a gauge manifold and a charge unit for checking di
then draw air to create a vacuum again. left for one hour or more. hose in particular be shared with other refrigerant types (R22, R407C, etc.). As indicated in the
Vacuum gauge check
○Use a counterflow prevention adapter to prevent vacuum pump oil from entering depending on whe
the refrigerant system.
7) Additional refrigerant charge
Fill refrigerant
3) Setting SW
(1) Calculate a required refrigerant charge volume from the following table. <Twin, triple, W-twin type> (1) Defrost control
・When this sw
<Single type> Item Additional charge volume (kg) ・Set this switc
Refrigerant volume Installation’s pipe length (m)
Pipe length for Additional charge volume (kg) Refrigerant volume Installation’s pipe length (m) Standard refrigerant Pipe length for per meter of refrigerant piping
operation.
charged for shipment covered without additional
Item Standard refrigerant
standard refrigerant per meter of refrigerant piping charged for shipment covered without additional charge volume (kg) standard refrigerant (liquid pipe)
charge volume (kg) charge volume (m) at the factory (kg) refrigerant charge (2) Snow guard fa
Capacity charge volume (m) (liquid pipe) at the factory (kg) refrigerant charge Capacity Main pipe Branch pipe
・When this swi
100VN~140VN 100VN~140VN lower and the
2.0 3.8 2.0 3.8
100VS~140VS 100VS~140VS ・When the unit
0 0.06 30 0 0.06 30
100VNX~140VNX 100VNX~140VNX
2.7 4.5 2.7 4.5
100VSX~140VSX 100VSX~140VSX 4) Failure dia
● A standard refrigerant charge volume means a refrigerant charge volume for an installation with 0m long refrigerant piping. P
Error indicated on the
● This unit contains factory charged refrigerant covering 30m of refrigerantpiping and additional refrigerant charge on the installation site is not required for an installation with up to 30m refrigerant piping. remote control unit
When refrigerant piping exceeds 30m, additionally charge an amount calculated from the pipe length and the above table for the portion in excess of 30m.
● When refrigerant piping is shorter than 3m, reduce refrigerant by 1kg from the factory charged volume and adjust to 2.8kg. E34
● If an existing pipe system is used, a required refrigerant charge volume will vary depending on the liquid pipe size. For further information, see “6. UTILIZATION OF EXISTING PIPING.”
E40
Formula to calculate the volume of additional refrigerant required
*When an additional charge volume calculation result is negative, E49
Additional charge volume (kg) = { Main pipe length (m) – Length covered without additional charge 30 (m) } x 0.06 (kg/m) + Total length of branch pipes (m) x 0.06 (kg/m)
it is not necessary to charge refrigerant additionally. ● If an error code
● To charge refrigerant again, recover refrigerant from the system first and then charge the volume calculated from the above table (Standard refrigerant charge volume + branch pipes charge volume)
5) The state
(2) Charging refrigerant The following tab
● Since R410A refrigerant must be charged in the liquid phase, you should charge it, keeping the container cylinder upside down or using a refrigerant cylinder equipped with a siphon tube.
● Charge refrigerant always from the liquid side service port with the operation valve shut. When you find it difficult to charge a required amount, fully open the outdoor unit valves on both liquid
and gas sides and charge refrigerant from the gas (suction)
side service port, while running the unit in the cooling mode. In doing so, care must be taken so that refrigerant may be discharged from the cylinder in the liquid phase all the time. When the cylinder valve is throttled down or a dedicated conversion
tool to change liquid-phase refrigerant into mist is used to protect the compressor, however, adjust charge conditions so that refrigerant will gasify upon entering the unit. Valve for a cooling op
● In charging refrigerant, always charge a calculated volume by using a scale to measure the charge volume. Valve for a heating op
● When refrigerant is charged with the unit being run, complete a charge operation within 30 minutes. Running the unit with an insufficient quantity of refrigerant for a long time can cause a compressor failure.
NOTE Put down the refrigerant volume calculated from the pipe length onto the caution label attached on the back side of the service panel. Band (accessory) Pipe cover (accessory) 6) Heed the f
This outdoor unit
8) Heating and condensation prevention level in the compr
(1) Dress refrigerant pipes (both gas and liquid pipes) for heat insulation and prevention of dew condensation.
6. UTILIZAT
(2) Use a heat insulating material that can withstand 120℃ or a higher temperature. Poor heat insulating capacity can cause heat insulation problems or cable deterioration.
- Improper heat insulation/anti-dew dressing can result in a water leak or dripping causing damage to household effects, etc.
- All gas pipes must be securely heat insulated in order to prevent damage from dripping water that comes from the condensation formed on them during a cooling operation or personal injury from burns
because their surface can reach quite a high temperature due to discharged gas flowing inside during a heating operation. Wires for connecting indoor
Exterior tape Check whether an exist
and outdoor units
- Wrap indoor units’ flare joints with heat insulating parts (pipe cover) for heat insulation (both gas and liquid pipes).
- Give heat insulation to both gas and liquid side pipes. Bundle a heat insulating material and a pipe tightly together so that no gaps may be left between them and wrap them together with a connecting Gas piping
Liquid piping
cable by a dressing tape.
- Although it is verified in a test that this air conditioning unit shows satisfactory performance under JIS condensation test conditions, both gas and liquid pipes need to be dressed with 20 mm Are an outd
insulation
or thicker heat insulation materials above the ceiling where relative humidity exceeds 70%. existing pip
● Execute drain piping by using a drain elbow and drain grommets supplied separately as ○ There are 3 drain holes provided on the bottom plate of an outdoor unit to discharge
Does the exis
optional parts, where water drained from the outdoor unit is a problem. condensed water. (1) The pipe l
○ When condensed water needs to be led to a drain, etc., install the unit on a flat base (2) The pipe s
(3) The elevat
(supplied separately as an optional part) or concrete blocks. conforms
Where th
Drain elbow ( 1 pe.) ○ Connect a drain elbow as shown in the illustration and close the other two drain holes Where th
Drain grommet with grommets.
Hard vinyl chloride pipe for general purpose (VP-16) ( 2 pes.)
Is the unit t
twin-triple-
4. ELECTRICAL WIRING WORK For details of electrical cabling, refer to the indoor unit installation manual. Is the existing
Electrical installation work must be performed by an electrical installation service provider qualified by a power provider of the country. Do not turn on the power until the electrical work is completeted .
●
Electrical installation work must be executed according to the technical standards and other regulations applicable to electrical Is the existin
Do not use a condensive capacitor for power factor improvement under any circumstances. (It dose not improve power factor,
●
(Check whet
installations in the country. while it can cause an abnormal overheat accident) the system b
●
Do not use any supply cord lighter than one specified in parentheses for each type below. For power supply cables, use conduits.
●
- braided cord (code designation 60245 IEC 51), Do not lay electronic control cables (remote control and signaling wires) and other cables together outside the unit. Laying them
●
Are there an
- ordinary tough rubber sheathed cord (code designation 60245 IEC 53) together can result in the malfunctioning or a failure of the unit due to electric noises.
- flat twin tinsel cord (code designation 60227 IEC 41); Fasten cables so that may not touch the piping, etc.
●
Do not use anything lighter than polychloroprene sheathed flexible cord (code designation 60245 IEC57) for supply cords of parts When cables are connected, make sure that all electrical components within the electrical component box are free of loose
●
Are heat insu
of appliances for outdoor use. connector coupling or terminal connection and then attach the cover securely. (Improper cover attachment can result in reuse free of
●
Ground the unit. Do not connect the grounding wire to a gas pipe, water pipe, lightning rod or telephone grounding wire. malfunctioning or a failure of the unit, if water penetrates into the box.) (Heat insulat
If impropery grounded, an electric shock or malfunction may result. Always use a three-core cable for an indoor-outdoor connecting cable. Never use a shield cable.
●
●
A grounding wire must be connected before connecting the power cable. Provide a grounding wire longer than the power cable. ● Connect a pair bearing a common terminal number with an indoor-outdoor connecting wire.
●
The installation of an impulse withstanding type earth leakage breaker is necessary. A failure to install an earth leakage breaker ● In cabling, fasten cables securely with cable clamps so that no external force may work on terminal connections.
Aren’t there
can result in an acccident such as an electric shock or a fire. ● Grounding terminals are provided in the control box. No lo
Grounding terminal
○ Earth leakage breaker
(Harmonic resistant type)
Earth leakage breaker
(Harmonic resistant type)
The ex
○Do not connect to the grounding wire from another VCT cabtyre cable VVF flat cable WARNING <
×
unit, but install a dedicated wire up to the grounding Switchgear or Circuit breaker Switchgear or Circuit breaker
wire from the distribution board. Ca
L1 N L1 L2 L3 N
Wiring clamp Outdoor unit Outdoor unit
○Fasten cables and protect the terminal connection 1 2/N 3 1 2/N 3
from external force. Wiring guide
4-core cable Shield cable 1 2/N 3 1 2/N 3
Wiring diagram
Indoor unit Indoor unit
○It is attached on the back side of the service panel.
Power cable, indoor-outdoor connecting wires X Y X Y
M4 Screw
Outgoing cable direction ● Always perform grounding system installation work X Y X Y
with the power cord unplugged. Remote controller Remote controller
Model
○As like the refrigerant pipe, it can be let out in any of
the following directions: side right, front, rear and
<W
downward. Always use an earth leakage circuit Model 100VN ~ 140VN Model 100VS ~ 140VS
100V∼140V CAUTION breaker designed for inverter circuits 100VNX ~ 140VNX 100VSX ~ 140VSX
to prevent a faulty operation.
- 74 -
'11 • PAC-T-160
PSB012D955F
※At the connection with the duct type indoor unit.
Model Power source Power cable thickness(mm2) MAX. over current (A) Cable length (m) Grounding wire thickness Indoor-outdoor wire thickness × number Model Power source Power cable thickness(mm2) MAX. over current (A) Cable length (m) Grounding wire thickness Indoor-outdoor wire thickness × number
100VN~140VN 100VN,100VNX 25 24
Single phase 3 wire 24 25 5.5
100VNX 220-240V 50Hz 5.5 125VN 27 22
Single phase 3 wire
125VNX,140VNX 220V 60Hz 26 23 φ1.6mm φ1.6mm x 3 140VN 220-240V 50Hz 28 32
100VS~140VS 3 phase 4 wire 125VNX 220V 60Hz 8 29 31
3.5 15 27 φ1.6mm φ1.6mm x 3
100VSX~140VSX 380V 50Hz 140VNX 30 30
100VS,100VSX 16 26
●The specifications shown in the above table are for units without heaters. For units with heaters, refer to the installation instructions or the construction 3 phase 4 wire
pe instructions of the indoor unit. 125VS,125VSX 380-415V 50Hz 18 23
3.5
onal tool ●Switchgear or Circuit breaker capacity which is calculated from MAX. over current should be chosen along the regulations in each country. 140VS,140VSX 380V 60Hz 19 21
●The cable specifications are based on the assumption that a metal or plastic conduit is used with no more than three cables contained in a conduit and a
voltage drop is 2%. For an installation falling outside of these conditions, follow the internal cabling regulations. Adapt it to the regulation in effect in each
country.
3
5. TEST RUN
● Before conduct a test run, do not fail to make sure that the operation valves are closed.
WARNING ● Turn on power 6 hours prior to a test run to energize the crank case heater. A failure to observe these instructions can result in a compressor breakdown.
● In case of the first operation after turning on power, even if the unit does not move for 30 minutes, it is not a breakdown.
● Always give a 3-minute or longer interval before you start the unit again whenever it is stopped.
● Removing the service panel will expose high-voltage live parts and high-temperature parts, which are quite dangerous.
Take utmost care not to incur an electric shock or burns. Do not leave the unit with the service panel open. ● When you leave the outdoor unit with power supplied to it,
Items to checkbefore a test run be sure to close the panel.
● When you operate switches (SW3, SW5) for on-site setting, be careful not to touch a live part. Item No.used in the
CAUTION ● You cannot check discharge pressure from the liquid operation valve charge port. installation manual Item Check item Check
Indoor unit ● The 4-way valve (20S) is energized during a heating operation. If brazed, was it brazed under a nitrogen gas flow?
● When power supply is cut off to reset the unit, give 3 or more minutes before you turn on power again after power is cut Were air-tightness test and vacuum extraction surely performed?
Refrigerant
off. If this procedure is not observed in turning on power again, “Communication error between outdoor and indoor unit” 2 Are heat insulation materials installed on both liquid and gas pipes?
plumbing
may occur. Are operation valves surely opened for both liquid and gas systems?
Have you recorded the additional refrigerant charge volume and refrigerant pipe length on the panel’s label?
1) Test run method SW-3-3 SW-3-4 Is the unit free of cabling errors such as uncompleted connection, an absent or reversed phase?
(1) A test run can be initiated from an outdoor unit by using SW3-3 and SW3-4 for on-site OFF Cooling during a test run
Are properly rated electrical equipments used for circuit breakers and cables?
setting. ON Doesn’t cabling cross-connect between units, where more than one unit are installed?
ON Heating during a test run
(2) Switching SW3-3 to ON will start the compressor. Aren’t indoor-outdoor signal wires connected to remote control wires?
(3) The unit will start a cooling operation, when SW3-4 is OFF, or a heating operation, when SW3-4 is ON. OFF ---- Normal or After the test operation Electric Do indoor-outdoor connecting cables connect between the same terminal numbers?
4
(4) Do not fail to switch SW3-3 to OFF when a test run is completed. wiring Are either VCT cabtyre cables or WF flat cables used for indoor-outdoor connecting cables?
Does grounding satisfy the D type grounding (type III grounding) requirements?
2) Checking the state of the unit in operation Check joint of the pipe
Charge port of the
gas operation valve
Is the unit grounded with a dedicated grounding wire not connected to another unit’s grounding wire?
Are cables free of loose screws at their connection points?
Use check joints provided on the piping before and after the four-way valve installed inside the outdoor
Cooling Discharge pressure Suction pressure Are cables held down with cable clamps so that no external force works onto terminal connections?
unit for checking discharge pressure and suction pressure. operation (High pressure) (Low pressure)
As indicated in the table shown on the right, pressure detected at each point will vary Is indoor unit installation work completed?
Suction pressure Discharge pressure ー Indoor unit
depending on whether a cooling or heating operation has been selected. Heating Where a face cover should be attached onto an indoor unit, is the face cover attached to the indoor unit?
operation (Low pressure) (High pressure)
3) Setting SW3-1, SW3-2, on-site Test run procedure ● Always carry out a test run and check the following in order as listed.
(1) Defrost control switching (SW3-1) Turn The contents of operation Check
・When this switch is turned ON, the unit will run in the defrost mode more frequently.
・Set this switch to ON, when installed in a region where outdoor temperature falls below zero during the season the unit is run for a heating ① Open the gas side operation valve fully.
gth (m)
tional operation. ② Open the liquid side operation valve fully.
(2) Snow guard fan control (SW3-2) ③ Close the panel.
・When this switch is turned on, the outdoor unit fan will run for 10 seconds in every 10 minutes, when outdoor temperature falls to 3℃ or ④ Where a remote control unit is used for unit setup on the installation site, follow instructions for unit setup on the installation site with a remote control unit.
lower and the compressor is not running. ⑤
SW3-3 ON / SW3-4 OFF: the unit will start a cooling operation.
・When the unit is used in a very snowy country, set this switch to ON. SW3-3 ON / SW3-4 ON: the unit will start a heating operation.
⑥ When the unit starts operation, press the wind direction button provided on the remote control unit to check its operation.
4) Failure diagnosis in a test run ⑦ Place your hand before the indoor unit’s diffuser to check whether cold (warm) winds come out in a cooling (heating) operation.
⑧ Make sure that a red LED is not blinking.
Error indicated on the Printed circuit board LED(The cycles of 5 seconds)
Failure event Action ⑨ When you complete the test run, do not forget to turn SW3-3 to the OFF position.
remote control unit Red LED Green LED
⑩ Where options are used, check their operation according to the respective instruction manuals.
E34 Blinking once Blinking continuously Open phase Check power cables for loose contact or disconnection
E40 Blinking once Blinking continuously 63H1 actuation or operation with operation valves shut 1. Check whether the operation valves are open.
(occurs mainly during a heating operation) 2. If an error has been canceled when 3 minutes have elapsed
since a compressor stop, you can restart the unit by
E49 Blinking once Blinking continuously Low pressure error or operation with operation valves shut effecting Check Reset from the remote control unit.
(occurs mainly during a cooling operation)
● If an error code other than those listed above is indicated, refer to the wiring diagram of the outdoor unit and the indoor unit.
5) The state of the electronic expansion valve.
The following table illustrates the steady states of the electronic expansion valve. SWITCHES FOR ON-SITE SETTING SWITCHES FOR ON-SITE SETTING
SW5 SW3
When the unit comes to a normal stop When the unit comes to an abnormal stop
(suction) When power is turned on ON ON
During a cooling operation During a heating operation During a cooling operation During a heating operation
onversion 1 2 3 4
Valve for a cooling operation Complete shut position Complete shut position Full open position Full open position Full open position 1 2 3 4
Valve for a heating operation Full open position Full open position Complete shut position Full open position Full open position All set to OFF for shipment All set to OFF for shipment
ccessory) 6) Heed the following on the first operation after turning on the circuit breaker.
This outdoor unit may start in the standby mode (waiting for a compressor startup), which can continue up to 30 minutes, to prevent the oil
level in the compressor from lowering on the first operation after turning on the circuit breaker. If that is the case, do not suspect a unit failure.
- 75 -
PSB012D923LL
PSB012D923L 3) Selection
PSB012D923L 3) BeSelection
sure to selec
〇 Asure
INSTALLATION MANUAL
MANUAL FOR
FOR OUTDOOR
OUTDOOR UNIT
UNIT
Be place
to wher
selec
(3) Models FDC200, 250VS Inverter driven single split PAC 〇 A place wher
〇
INSTALLATION
Inverter driven 〇 A place wher
A place
200V ·single
250V split PAC
wher
〇 A place wher
〇 A place wher
〇
〇 AA place
place wher
200V · 250V
Designed for R410A refrigerant 〇
〇 AA place
wher
place wher
wher
◎This installation manual deals with outdoor units and general installation specifications only. For indoor units, refer to the respective Designed for R410A refrigerant
〇
〇 A place wher
A place wher
〇
〇 AA place
place where
wher
◎This
installation manuals
installation supplied
manual deals with
with the units.units and general installation specifications only. For indoor units, refer to Page
outdoor the respective
56. 〇
〇 AA place
placewhere
wher
◎When installmanuals
installation the unit,supplied
be sure with
to check whether the selection of installation place, power supply specifications, usage limitation
the units. Check before installation work 〇
〇 AA place
〇
place where
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〇 AA place
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[ Accessory ] Check before installation work
◎When
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[ Accessory ]
SAFETY PRECAUTIONS Edging Accessory pipe unit, will not
〇 A place wher
● SAFETY
We recommend you to read this “SAFETY PRECAUTIONS” carefully beforePRECAUTIONS
the installation work in order to gain full advantage of the functions of the unit and to
1 piece Edging 1 piece Accessory1 piece
pipe
OD25.4 4) Caution a
avoid
● We malfunction
recommend youdue
to to mishandling.
read this “SAFETY PRECAUTIONS” carefully before the installation work in order to gain full advantage of the functions of the unit and to
1 piece 1 piece 1 piece
ID22.22 OD25.4 4) (1)Caution
If the unit isa
ID22.22 The bottom p
● The
avoidprecautions
malfunctiondescribed
due to mishandling.
below are divided into WARNING and CAUTION . The matters with possibilities leading to serious consequences such as knock-out hole (1) If the unit is
ID22.22
protection Accessory pipe A
ID22.22 Accessory pipe B 1.The bottom
Install the up
death
● The or serious described
precautions personal injury
below due
are to erroneous
divided WARNING
into handling are listed
andin the CAUTION
WARNING and the with
. The matters matters with possibilities
possibilities leading toleading
serioustoconsequences
personal injurysuch
or as knock-out hole that the bot
● Model protection
name and power source Accessory pipe A Accessory pipe B 1.Install the u
damage
death or of the unit
serious due toinjury
personal erroneous
due tohandling including
erroneous probability
handling are listedleading
in the to serious consequences
WARNING and theinmatters
some cases CAUTION
are listed inleading
with possibilities . These
to personal injury are
or snow cover
that the bot
very important
damage precautions
of the unit for safety.
due to erroneous Be sure
handling to observe
including all ofleading
probability them without fail.
to serious consequences in some cases are listed in CAUTION . These are ●
● Refrigerant
Model namepiping lengthsource
and power snow cover
● The
verymeaning
importantof "Marks" usedfor
precautions here are as
safety. Beshown
sure to below.
observe all of them without fail. ●
● Piping, wiring
Refrigerant and length
piping miscellaneous small parts
● The meaning ●
● Indoor unit
Piping, installation
wiring manual small parts
and miscellaneous
Neverofdo"Marks"
it underused here are as shown below.
any circumstance. Always do it according to the instruction
● Indoor unit installation manual
Never do it under any circumstance. Always do it according to the instruction
● For this outdoor unit, EN61000-3-2 is not applicable if consent by the utility company or nortification to the utility company is given before usage.
● Be sure to confirm no anomaly on the equipment by commissioning after completed installation and explain the operating methods as well as the maintenance
● For this outdoor unit, EN61000-3-2 is not applicable if consent by the utility company or nortification to the utility company is given before usage.
methods
● Be sure toofconfirm
this equipment to the
no anomaly on user according to
the equipment by the owner's manual.
commissioning after completed installation and explain the operating methods as well as the maintenance
● Keep the installation manual together with owner's manual at a place where any user can read at any time. Moreover if necessary, ask to hand them to a new user Since drain wa
methods of this equipment to the user according to the owner's manual. ● Don’t execu
● Keep the installation manual together with owner's manual at a place where any user can read at any time. Moreover if necessary, ask to hand them to a new user Since drain wa
● Recommend
● Don’t execu
-
If you install the system by yourself, it may cause serious trouble such as water leaks, electric shocks, fire and personal injury, as a result of a system It can cause lack of oxygen. of the unit
1.Install the duo
● Installation
malfunction. must be carried out by the qualified installer. ● Do not perform brazing work in the airtight room unit to face
● It 1.Install
If you install the system by yourself, it may cause serious trouble such as water leaks, electric shocks, fire and personal injury, as a result of a system Usecanthe prescribed
cause pipes, flare nuts and tools for R410A.
lack of oxygen. providethea fo
● malfunction.
Install the system in full accordance with the instruction manual. Using existing parts (for R22 or R407C) can cause the unit failure and serious accidents due to burst of the refrigerant circuit. unit to face
Incorrect installation may cause bursts, personal injury, water leaks, electric shocks and fire. ● Use the prescribed pipes, flare nuts and tools for R410A. screen.
● Using
Tighten the flare provide a f
● Install the system in full accordance with the instruction manual. existing partsnut(forby
R22using double
or R407C) canspanners
cause theand unit torque wrench
failure and according
serious accidentstodue
prescribed
to burst ofmethod. Be sure
the refrigerant not to
circuit.
● Incorrect
Use the original accessories
installation may causeand the specified
bursts, components
personal injury, for installation.
water leaks, electric shocks and fire. tighten the flare nut too much. screen.
If parts other than those prescribed by us are used, It may cause fall of the unit, water leaks, electric shocks, fire, refrigerant leak, substandard ● Tighten
Loose flare theconnection
flare nut or bydamage
using double spanners
on the flare part byand torque with
tightening wrench according
excess torque canto cause
prescribed method.
burst or Be sure
refrigerant leaks not
whichto
● Use the original
performance, accessories
control failure andand the specified
personal injury. components for installation. tighten
may result theinflare
lacknut too much.
of oxygen.
If parts other than those prescribed by us are used, It may cause fall of the unit, water leaks, electric shocks, fire, refrigerant leak, substandard Loose flare connection or damage on the flare part by tightening with excess torque can cause burst or refrigerant leaks which
● performance,
When installing controlin failure
small androoms, takeinjury.
personal prevention measures not to exceed the density limit of refrigerant in the event of leakage ● may
Do not open
result the of
in lack service
oxygen. valves for liquid line and gas line until completed refrigerant piping work, air tightness test
accordance with ISO5149. and evacuation. Over 50
● When
Consultinstalling
the expert in small
about rooms, measures.
prevention take prevention measures
If the density not to exceeds
of refrigerant exceed the the limit
density
in thelimit
eventofofrefrigerant
leakage, lack of in oxygen
the event of leakage
can occur, which ● Do
If thenotcompressor
open the service
is operatedvalves for liquid
in state line and
of opening gas valves
service line until completed
before completedrefrigerant
connectionpiping work, air
of refrigerant tightness
piping work, test
you
accordance
can cause seriouswith ISO5149.
accidents. and
may evacuation.
incur frost bite or injury from an abrupt refrigerant outflow and air can be sucked into refrigerant circuit, which can cause Over 50
Consult the expert about prevention measures. If the density of refrigerant exceeds the limit in the event of leakage, lack of oxygen can occur, which If the or
burst compressor is operated
personal injury in state of opening
due to anomalously serviceinvalves
high pressure before completed connection of refrigerant piping work, you
the refrigerant
● can
Ventilate the working
cause serious accidents. area well in the event of refrigerant leakage during installation. may incur frost bite or injury from an abrupt refrigerant outflow and air can be sucked into refrigerant circuit, which can cause
2. REFRIGE
If the refrigerant comes into contact with naked flames, poisonous gas is produced. ● burst
Only use prescribed
or personal injury optional parts. The installation
due to anomalously high pressure must be refrigerant
in the carried out by the qualified installer.
● Ventilate the working area well in the event of refrigerant leakage during installation. If you install the system by yourself, it can cause serious trouble such as water leaks, electric shocks, fire.
● IfAfter completedcomes installation, checkwiththatnaked
no refrigerant leaks fromgas the system.
2. REFRIGE
the refrigerant into contact flames, poisonous is produced. ● Only use prescribed optional parts. The installation must be carried out by the qualified installer.
If refrigerant leaks into the room and comes into contact with an oven or other hot surface, poisonous gas is produced. ● If
Doyounotinstall
perform any change
the system of protective
by yourself, device
it can cause itselftrouble
serious or its setup
such ascondition
water leaks, electric shocks, fire.
● After completed installation, check that no refrigerant leaks from the system. The forced operation by short-circuiting protective device of pressure switch and temperature controller or the use of non
● IfHang up theleaks
unit at thethespecified
room andpoints
comeswithinto ropes
contactwhich canoven
support thehotweight in lifting for portage. And to avoid jolting out of alignment, ● Do not perform any change of fire
protective
refrigerant into with an or other surface, poisonous gas is produced. specified component can cause or burst.device itself or its setup condition
be sure to hang up the unit at 4-point support.
● Hang up themanner
An improper unit at the specified
of portage suchpoints with support
as 3-point ropes which can support
can cause death or the weight
serious in lifting
personal fordue
injury portage. And
to falling of to
theavoid
unit jolting out of alignment,
The forced operation by short-circuiting protective device of pressure switch and temperature controller or the use of non
● specified
Be sure to switch offcan
component thecause
power supply
fire in the event of installation, inspection or servicing.
or burst.
1) Restrictio
be sure to hang up the unit at 4-point support.
● An
Install the unit in a location with good support. If the power supply is not shut off, there is a risk of electric shocks, unit failure or personal injury due to the unexpected start of fan.
● Be sure to switch off the power supply in the event of installation, inspection or servicing.
1)
● Restrictio
Check the follo
improper manner of portage such as 3-point support can cause death or serious personal injury due to falling of the unit
● If Observe the fol
●
Unsuitable installation locations can cause the unit to fall and cause material damage and personal injury.
● Install the unit in a location with good support.
Consult the dealer or an expert regarding
the power supply is not shut off, there is a risk removal of the
of electric unit.unit failure or personal injury due to the unexpected start of fan.
shocks, ● Check the follo
● Unsuitable
Ensure theinstallation
unit is stable whencan
locations installed,
cause theso that it can
unit to withstand
fall and earthquakes
cause material damage andandstrong winds.
personal injury.
Incorrect installation can cause water leaks, electric shocks or fire.
● Consult the dealer or an expert regarding removal of the unit. ● Observe the fol
Unsuitable installation locations can cause the unit to fall and cause material damage and personal injury. ● Incorrect
Stop the installation
compressor canbefore
causeclosing valve electric
water leaks, and disconnecting
shocks or fire. refrigerant pipes in case of pump down operation.
● Ensure the unit is stable when installed, so that it can withstand earthquakes and strong winds. If disconnecting refrigerant pipes in state of opening service valves before compressor stopping, you may incur frost bite or Restricti
● Unsuitable
The electrical installation must because
carriedtheout
unitbyto the qualified
cause electrician in accordance withinjury.
“the norm for electrical work” and “national ● Stop
installation locations can fall and
wiring regulation”, and the system must be connected to the dedicated circuit.
material damage and personal injurythefrom compressor before closing
an abrupt refrigerant valve
outflow andand disconnecting
air can be sucked, refrigerant pipes burst
which can cause in case
or of pump injury
personal down dueoperation.
to anomalously
● The electrical installation must be carried out by function
the qualified electrician If disconnecting refrigerant pipes
high pressure in the refrigerant circuit in state of opening service valves before compressor stopping, you may incur frost bite or Restricti
Power supply with insufficient capacity and incorrect done by improper in accordance
work can causewith “theshocks
electric normandfor fire,
electrical work” and “national
injury from an abrupt refrigerant outflow and air can be sucked, which can cause burst or personal injury due to anomalously
wiring regulation”, and the system must be connected to the dedicated circuit. ● high
Ensure that no
● Power in air
theenters in the refrigerant circuit when the unit is installed and removed.
'11 • PAC-T-160
Be suresupply
to shut
withoffinsufficient
the powercapacity
before starting electrical
and incorrect functionwork.
done by improper work can cause electric shocks and fire, pressure refrigerant circuit One-way pipe length of ref
Failure to shut off the power can cause electric shocks, unit failure or incorrect function of equipment. If air enters in the refrigerant circuit, the pressure in the refrigerant circuit becomes too high, which can cause burst and
● Be sure to shut off the power before starting electrical work. ● Ensure
personalthat no air enters in the refrigerant circuit when the unit is installed and removed.
injury. One-way pipe length of ref
● Failure
Be suretotoshut useoff
thethecables
powerconformed to safety
can cause electric standard
shocks, unit and cable
failure ampacity
or incorrect for power
function distribution work.
of equipment. If air enters in the refrigerant circuit, the pressure in the refrigerant circuit becomes too high, which can cause burst and
Unconformable cables can cause electric leak, anomalous heat production or fire. ● personal
Do not run the unit with removed panels or protections
injury.
● Be sure to use the cables conformed to safety standard and cable ampacity for power distribution work. Touching rotating equipments, hot surfaces or high voltage parts can cause personal injury due to entrapment, burn or electric Main pipe length
● Unconformable
Use the prescribed cables cables for electrical
can cause connection,
electric leak, anomalous tighten the cablesorsecurely
heat production fire. in terminal block and relieve the cables correctly to prevent ● Do not run the unit with removed panels or protections
shocks.
overloading the terminal blocks. Touching rotating equipments, hot surfaces or high voltage parts can cause personal injury due to entrapment, burn or electric Main pipe length
● Use
Loosethe prescribedorcables
connections for electrical
cable mountings canconnection,
cause anomalous tightenheattheproduction
cables securely
or fire. in terminal block and relieve the cables correctly to prevent ● shocks.
Be sure to fix up the service panels. One-way pipe length betwe
overloading the terminal blocks. Incorrect fixing can cause electric shocks or fire due to intrusion of dust or water. point from to the second br
● Loose
Arrange the wiringorincable
connections the control
mountingsboxcan
so cause
that it anomalous
cannot be heat pushed up further
production into the box. Install the service panel correctly.
or fire. ● Be sure to fix up the service panels. One-way pipe length betwe
Incorrect installation may result in overheating and fire. ● Incorrect
Do not perform anycause
fixing can repairs or modifications
electric shocks or fireby dueyourself. Consult
to intrusion theordealer
of dust water.if the unit requires repair. One-way
point frompipe length
to the afterbrt
second
point
● Arrange the wiring in the control box so that it cannot be pushed up further into the box. Install the service panel correctly. If you repair or modify the unit, it can cause water leaks, electric shocks or fire.
Incorrect installation may result in overheating and fire. ● Do not perform any repairs or modifications by yourself. Consult the dealer if the unit requires repair. One-way pipe length after t
One-way pipe length after
point
If you repair or modify the unit, it can cause water leaks, electric shocks or fire. point and second branchin
One-way pipe length after
● Carry out the electrical work for ground lead with care CAUTION
● Do not use the base flame for outdoor unit which is corroded or damaged due to long periods of operation.
One-way pipe length differ
branching point to the indo
Do not connect the ground lead to the gas line, water line, lightning conductor or telephone line's ground lead. Incorrect grounding can cause unit faults such as Using an old and damage base flame can cause the unit falling down and cause personal injury. One-way pipe length differ
● Carry
electricout the electrical
shocks work for ground
due to short-circuiting. Neverlead with the
connect caregrounding wire to a gas pipe because if gas leaks,it could cause explosion or ignition. ● Do not use the base flame for outdoor unit which is corroded or damaged due to long periods of operation. branching point to the indo
Do not connect the ground lead to the gas line, water line, lightning conductor or telephone line's ground lead. Incorrect grounding can cause unit faults such as ● Using
Do notaninstall thedamage
old and unit in base
the locations
flame canlisted
causebelow
the unit falling down and cause personal injury.
● electric
Use theshocks
circuitdue
breaker for all pole with
to short-circuiting. correct
Never capacity.
connect the grounding wire to a gas pipe because if gas leaks,it could cause explosion or ignition. ・Locations where carbon fiber, metal powder or any powder is floating. One-way pipe length differ
Using the incorrect circuit breaker, it can cause the unit malfunction and fire. ● ・Locations
Do not installwhere
the unit
any in the locations
substances listed
that can below
affect the unit such as sulphide gas, chloride gas, acid and alkaline can occur.
second branching point to
● Use the circuit breaker for all pole with correct capacity. ・Locations where
shipscarbon fiber, metal powder or any powder is floating.
One-way
Total pipe pipe length
length afterdiffer
the s
● Install isolator or disconnect switch on the power supply wiring in accordance with the local codes and regulations. ・Vehicles and second branching point to
Insufficient space can result in accident such as personal injury due to falling from the installation place.. During operation the refrigerant pipes become extremely hot or extremely cold depending the operating condition, and it can cause burn injury or frost injury.
● When the outdoor unit is installed on a roof or a high place, provide permanent ladders and handrails along the access route and fences and handrails around the outdoor unit.
● Do not clean up the unit with water
If safety facilities are not provided, it can cause personal injury due to falling from the installation place.
It can cause electric shocks In the case of a triple ty
● Do not install nor use the system close to the equipment that generates electromagnetic fields or high frequency harmonics
Equipment such as inverters, standby generators, medical high frequency equipments and telecommunication equipments can affect the system, and cause ● Do not operate the outdoor unit with any article placed on it.
malfunctions and breakdowns. The system can also affect medical equipment and telecommunication equipment, and obstruct its function or cause jamming. You may incur property damage or personal injure from a fall of the article.
● Do not install the outdoor unit in a location where insects and small animals can inhabit. ● Do not step onto the outdoor unit.
Insects and small animals can enter the electric parts and cause damage or fire. Instruct the user to keep the surroundings clean. You may incur injury from a drop or fall.
In the case of a W-twin
Accessory p
When a unit is hoisted with slings for haulage, take into consideration the offset of its gravity center position. Pad
CAUTION If not properly balanced, the unit can be thrown off-balance and fall.
1) Delivery 2) Portage Heavy
● Deliver the unit as close as possible to the installation site before removing it from the packaging. ● The right hand side of the unit as viewed from the front (diffuser side) is heavier. A person 4) Refrigera
● When some compelling reason necessitates the unpacking of the unit before it is carried in, use nylon carrying the right hand side must take heed of this fact. A person carrying the left hand side ● Select refriger
slings or protective wood pieces so as not to damage the unit by ropes lifting it. must hold with his right hand the handle provided on the front panel of the unit and with his left size.
hand the corner column section. ● This unit uses
Wooden pallet because O-typ
SB012D923L 3) Selection of installation location for the outdoor unit 5) Installation space
Be sure to select a suitable installation place in consideration of following conditions. ● Walls surrounding the unit in the four sides are not acceptable.
● There must be a 1-meter or larger space in the above.
〇 A place where it is horizontal, stable and can endure the unit weight and will not allow vibration transmittance of the unit.
le split PAC 〇 A place where it can be free from possibility of bothering neighbors due to noise or exhaust air from the unit ● Where a danger of short-circuiting exists, install guide louvers.
● When more than one unit are installed, provide sufficient intake space consciously so that short-circuiting
〇 A place where the unit is not exposed to oil splashes. may not occur.
0V 〇 A place where it can be free from danger of flammable gas leakage. ● Where piling snow can bury the outdoor unit, provide proper snow guards.
● A barrier wall placed in front of the exhaust diffuser must not be higher than the unit.
〇 A place where drain water can be disposed without any trouble.
A refrigerant 〇 A place where the unit will not be affected by heat radiation from other heat source.
(mm)
-
〇 A place where good air circulation can be secured, and enough service space can be secured for maintenance and service of the unit safely. L2
ork
Example installation Ⅱ Ⅲ
Size Ⅰ
〇 A place where the unit will not be affected by electromagnetic waves and/or high-harmonic waves generated by other equipment. Open Open 500
L4
L1
〇 A place where chemical substances like sulfuric gas, chloric gas, acid and alkali (including ammonia), which can harm the Intake
L2 300 5 Open
unit, will not be generated and not remain.
pe
〇 A place where strong wind will not blow against the outlet air blow of the unit L3 150 300 150 Outlet
( service
space ) L1
L4 5 5 5
ece
OD25.4 4) Caution about selection of installation location
(1) If the unit is installed in the area where the snow will accumulate, following measures are required.
.22 The bottom plate of unit and intake, outlet may be blocked by snow.
Accessory pipe B 1.Install the unit on the base so 2.Provide a snow hood to 3.Install the unit under eaves 6) Installation
that the bottom is higher than the outdoor unit on site. or provide the roof on site.
snow cover surface. Regarding outline of a snow ① Anchor bolt fixed position ② Notabilia for installation
hood, refer to our technical Intake
20
manual. Fasten with bolts
(M10-12)
410
Outlet
20
190 580 200 Use a thicker block to anchor deeper.
Use a long block to extend the width.
Since drain water generated by defrost control may freeze, following measures are required.
● Don’t execute drain piping work by using a drain elbow and drain grommets (optional parts). [Refer to Drain piping work.]
● In installing the unit, fix the unit’s legs with bolts specified on the left.
● Recommend setting Defrost Control (SW3-1) and Snow Guard Fan Control (SW3-2). [Refer to Setting SW3-1, SW3-2.]
● The protrusion of an anchor bolt on the front side must be kept within 15 mm.
(2) If the unit can be affected by strong wind, following measures are required. ● Securely install the unit so that it does not fall over during earthquakes or strong winds, etc.
Strong wind can cause damage of fan (fan motor), or can cause performance degradation, or can trigger anomalous stop ● Refer to the left illustrations for information regarding concrete foundations.
of the unit due to rising of high pressure. ● Install the unit in a level area. (With a gradient of 5 mm or less.)
'11 • PAC-T-160
Improper installation can result in a compressor failure, broken piping within the unit and abnormal noise generation.
1.Install the outlet air blow side of the 2.Install the outlet air blow side of 3.The unit should be installed on
unit to face a wall of building, or the unit in a position the stable and level foundation.
provide a fence or a windbreak perpendicular to the direction of If the foundation is not level,
refrigerant circuit.
screen. wind. tie down the unit with wires.
hod. Be sure not to
7) To run the unit for a cooling operation, when the outdoor temperature
efrigerant leaks which
Wind direction
is –5°C or lower.
● When the outdoor air temperature is -5°C or lower, provide a snow hood to the outdoor unit on site.
rk, air tightness test
So that strong wind will not blow against the outdoor heat exchanger directly. Regarding outline of a snow hood,
Over 500 mm
rant piping work, you refer to our technical manual.
cuit, which can cause Wind direction
Note (2) Connect the unit that is the maximum capacity with L1.
Type B
2) Determination of pipe size
78 -
Indoor unit
● Determine refrigerant pipe size pursuant to the following guidelines based on the indoor unit specifications. (The unit of which elevation difference from the outdoor unit is the largest.)
'11 • PAC-T-160
About brazing
4) Refrigerant pipe wall thickness and material Pipe diameter [mm] 6.35 9.52 12.7 15.88 22.22 25.4 28.58 NOTE
● Select refrigerant pipes of the table shown on the right wall thickness and material as specified for each pipe Minimum pipe wall thickness [mm] 0.8 0.8 0.8 1.0 1.0 1.0 1.0 ● Select pipes having a wall thickness larger
size. Pipe material* O-type pipe O-type pipe O-type pipe O-type pipe 1/2H-type pipe 1/2H-type pipe 1/2H-type pipe than the specified minimum pipe thickness.
● This unit uses R410A. Always use 1/2H pipes having a 1.0mm or thicker wall for φ19.05 or larger pipes,
ons.) Taping <N2> Hand
Nitrogen
Nitrogen Relief valve
Joint pipe C φ25.4(ID) Joint pipe C φ25.4(ID) gas
Field piping φ25.4(ID) Only use nitrogen Brazing
φ22.22(OD) Branching pipe set Branching pipe set Branching pipe set
gas (N2)
(DIS-WB1,DIS-TB1) (DIS-WB1,DIS-TB1) (DIS-WB1,DIS-TB1)
Heavy
4) Refrigerant pipe wall thickness and material Pipe diameter [mm] 6.35 9.52 12.7 15.88 22.22 25.4 28.58 NOTE
● Selectrefrigerant pipes of the table shown on the right wall thickness and material as specified for each pipe Minimum pipe wall thickness [mm] 0.8 0.8 0.8 1.0 1.0 1.0 1.0 ● Select pipes having a wall thickness larger
size. Pipe material* O-type pipe O-type pipe O-type pipe O-type pipe 1/2H-type pipe 1/2H-type pipe 1/2H-type pipe than the specified minimum pipe thickness.
● This unit uses R410A. Always use 1/2H pipes having a 1.0mm or thicker wall for φ19.05 or larger pipes,
because O-type pipes do not meet the pressure resistance requirement. *Phosphorus deoxidized seamless copper pipe C1220T, JIS H3300
79 --
'11 • PAC-T-160
'11 • PAC-T-160
- 80 -
'11 • PAC-T-160
- 81 -
'11 • PAC-T-160
- 82 -
'11 • PAC-T-160
PSB012D917C K
PSB012D917C F
(4) Method for connecting the accessory pipe (Models FDC200,250 only)
Be sure to use the accessory pipe to connect the operation valve on the gas
A B
side with the field pipe.
① Referring to Table ① and Table ②, prepare the straight pipe and the elbow in the field,
ID22.22
which are used in the construction examples A ~ D applicable to the connecting direction.
② Firstly, use the accessory pipe to assemble the connecting pipe assembly outside the
outdoor unit.
As shown in the figures of construction examples A ~ D applicable to the connecting
direction(chain double dashed line), braze the accessory pipe and the parts prepared OD25.4
in the above ①. ID22.22 1 pc
1 pc
③ After assembly of the connecting pipe, connect it to the service valve on the
gas side inside the outdoor unit.
Tighten the flare nut with appropriate torque. Appropriate torque
④ After connection of the connecting pipe assembly to the service valve on the
φ19.05 100~120N·m
gas side, braze the connecting pipe assembly and the field pipe.
(47)
1 Accessory pipe A 1 Accessories
2 Straight pipe ① 1 Procured in the field
3 Straight pipe ② 1 or 0 Procured in the field (Not required for downward direction) Inner face of
the base
4 Elbow 1 or 0 Procured in the field (Not required for downward direction)
Inner face of
Position for the
the base
accessory pipe
Table ② Length of the straight pipe (prepared in the field) (44)
Pipe size Downward Forward Rightward Backward
Straight
pipe① φ22.22×t1.6 above 415mm 185~235mm 185~235mm 185~235mm
Straight
pipe②
φ22.22×t1.6 - above 125mm above 125mm above 405mm
● Be sure to use pipes of 1/2H material, and wall thickness above 1mm. (Pressure resistance of O-type pipe is not enough)
● Switch ON SW5-1 on the control PCB, if O-type pipe must be used and bent with the bender.
During heating operation, the high-pressure protection may be actuated under the condition lower than the normal pressure,
and the heating capacity may decrease.
About brazing
Be sure to braze while supplying nitrogen gas.
If no nitrogen gas is supplied, a large amount of impurity
(oxidized fi lm) will be generated, which may clog the capillary
tube and the expansion valve, resulting in fatal malfunction.
Accessory pipe A
- 83 -
'11 • PAC-T-160
Straight pipe ①
(Procured in the field
Straight pipe ① 185~235mm)
(Procured in the field
above 415mm)
Straight pipe ②
(Procured in the field
above 125mm)
Accessory pipe A
Accessory pipe A
Straight pipe ①
Straight pipe ① (Procured in the field
(Procured in the field 185~235mm)
185~235mm)
Straight pipe ②
Straight pipe ② (Procured in the field
(Procured in the field above 405mm)
above 125mm)
- 84 -
'11 • PAC-T-160
2-1 D
INSTRUCTIONS
INSTRUCTIONS FOR
FOR BRANCHING
BRANCHING PIPE
PIPE SET
SET INSTALLATION
INSTALLATION FOR
FOR TWIN/TRIPLE/
TWIN/TRIPLE/ W-TWIN
9.4 Instructions for branching pipe set (DIS-WA1, WB1, TA1, TB1) W-TWIN CONFIGURATION
CONFIGURATION SYSTEMS
SYSTEMS
2-1 D
Supp
OutdoorSupp
unit
Outdoor unit
WARNING / CAUTION
WARNING / CAUTION
● This set is for R410A refrigerant.
● Select
This seta is
branching
for R410A pipe set correctly rated for the combined total capacity of connected indoor units and install it according to this manual.
refrigerant.
● An improperly
Select installed
a branching pipe branching piperated
set correctly set can cause
for the degraded
combined performance
total capacity oforconnected
an abnormal unitunits
indoor stop.and install it according to this manual.
● Provide good heat
An improperly insulation
installed to thepipe
branching pipessetbycan
following instructions
cause degraded contained in
performance or this manual. unit stop.
an abnormal
● Impropergood
Provide heatheat
insulation can to
insulation result in degraded
the pipes performance
by following or a water
instructions leak in
contained accident from condensation.
this manual. 4HP
● Please
Improper make
heatsure that only
insulation can parts
result supplied
in degraded as accessories
performance or or the manufacturer's
a water leak accident approved parts are used in installing the unit, because a leak of refrigerant can
from condensation.
4HP
● result inmake
Please a lack-of-oxygen
sure that only accident, if it reaches
parts supplied a concentration
as accessories or thebeyond the tolerable
manufacturer's limit. parts are used in installing the unit, because a leak of refrigerant can
approved
result in a lack-of-oxygen accident, if it reaches a concentration beyond the tolerable limit.
This manual explains how to use a branching pipe set that is indispensable in connecting pipes for a twin/triple/W-twin configuration installation (system). For the
details of piping
This manual work,how
explains unit to
installation work and
use a branching electrical
pipe set thatinstallation work, please
is indispensable refer to pipes
in connecting the installation manuals and installation
for a twin/triple/W-twin guides
configuration supplied (system).
installation with your outdoor
For the
and indoor
details units.work, unit installation work and electrical installation work, please refer to the installation manuals and installation guides supplied with your outdoor
of piping
and indoor units.
1. Branching pipe set specifications
1. (1)Branching pipe
Please make sure set
that you havespecifications
chosen the right branching pipe set and the specifications of the parts contained in it by checking with the table below.
(2) Connectmake
(1) Please pipessure
as that
illustrated in the
you have tablethe
chosen below. The pipe from
right branching an outdoor
pipe set unit must be brazed
and the specifications to thecontained
of the parts pipe connection port “①”with
in it by checking andthe
thetable
pipes from indoor units to
below.
“②,” “③”
(2) Connect andas“④.”
pipes illustrated in the table below. The pipe from an outdoor unit must be brazed to the pipe connection port “①” and the pipes from indoor units to
“②,” “③” and “④.” Part lists
Supported outdoor/indoor unit combinations
Branching pipe set type
Supported
Outdoor outdoor/indoor
unit model Indoor unit combinations
unit model Branching pipe set for a liquid pipe Part listsDifferent diameter pipe joint
Branching pipe set for a gas pipe Heat insulation material 5HP
Branching pipe set type
Outdoor3HP
unit model Indoor unit model Branching pipe set for a liquid pipe
1.5HP+1.5HP Branching pipe set for a gas pipe Different diameter pipe joint Heat insulation material 5HP
ID9.52 ID15.88 Joint A
3HP 1.5HP+1.5HP
2HP+2HP ID9.52 ID15.88 ID9.52 2 pieces
4HP ② Joint A
1.5HP+2.5HP
2HP+2HP ① ① ② ID9.52 Flare joint
2 pieces
DIS-WA1 4HP ② (for indoor unit side connection)
2.5HP+2.5HP
1.5HP+2.5HP ① ① ② Flare joint
DIS-WA1
(Two-way branching set) 5HP (for indoor unit side connection)
2HP+3HP
2.5HP+2.5HP ③ ③ Joint B
(Two-way branching set) 5HP ID9.52 2 pieces
3HP+3HP
2HP+3HP ID9.52 ID15.88 ③ ID15.88
③ OD15.88 Joint B ID12.7
6HP ID9.52
1 piece ID9.52 ID15.881 piece ID15.88
2 pieces One each for liquid and gas
2HP+4HP
3HP+3HP OD15.88 ID12.7
6HP 1 piece 1 piece One each for liquid and gas
2HP+4HP ID9.52
4HP+4HP ID15.88
- 85 -
'11 • PAC-T-160
2-1 DIS-WA1 2-2 DIS-WB1
ID9.52
Gas branching pipe
ID15.88
ID12.7
3HP+5HP ② ②
5 F 3HP 1.5HP+1.5HP
Joint B 8HP ID9.52 ID25.4
①
② ①
③ ③
① 4HP+4HP Joint C ID9.52
ID15.88 ID15.88
③
Joint B ID9.52 ID15.88
2HP+2HP Flare joint ② ②
ID12.7 ①
(φ6.35) ①
10HP 5HP+5HP ID12.7 ID25.4
Joint A
A ③ ③
Connecting pipe ID12.7 ID9.52 ID15.88
4HP (φ9.52)
rant can Joint B
ID12.7
① ② ② Joint B
ID9.52 ① ②
③ ID15.88 ①
ID15.88 Applicable to the difference in length of pipes after the branch being less than 3 m
For the 1.5HP+2.5HP
CAUTION ③ ③
2-3 DIS-TA1
Joint B * Connection is not allowed when the difference in length of pipes is larger than 3 m.
outdoor Reference ID15.88
ID12.7 Supported combinations
Joint A Outdoor unit model Indoor unit model Liquid branching pipe Gas branching pipe
Flare joint A
(φ6.35) ID12.7
Connecting pipe Joint A
Joint B ID15.88 (φ9.52)
② ② ID12.7
① ① ②
ID15.88 ID15.88 ③ Flare
or units to 6HP 2HP+2HP+2HP ID9.52 joint
2.5HP+2.5HP ③ ③ ① ④ (φ6.35) ① ② ③ ④
Joint B ID15.88 ID15.88
Joint A
ID12.7
CAUTION Reference
Flare joint
material 5HP (φ6.35) ID12.7
Joint A
Joint B
②
2HP+3HP
Connecting pipe
(φ9.52) ① 2-4 DIS-TB1 Applicable to the difference in length of pipes after the branch being less than 3 m
ID15.88 * Connection is not allowed when the difference in length of pipes is larger than 3 m.
②
①
ID9.52 ③ Supported combinations
Liquid branching pipe Gas branching pipe
③ CAUTION ID15.88 Outdoor unit model Indoor unit model
ID9.52 Reference
d gas ID9.52 ID15.88
ID9.52 ID15.88 ②
② ② 8HP 3HP+3HP+3HP ① ③
① ① ID9.52 ① ② ③ ④
ID9.52 ID15.88 ④ ID25.4
3HP+3HP
③ ③
ID9.52 ID15.88
Flare joint OLD Model list
6HP (φ6.35) ID12.7
Joint A model name
d gas Joint B
Connecting pipe
② FDTA251R
2HP+4HP (φ9.52) ① FDENA251R
② ID15.88
① FDKNA251R
ID9.52 ③
③ CAUTION ID15.88
FDURA251R
ID9.52 Reference FDUMA252R
d gas Note When connect the indoor unit of an old model that is shown in the model list,
use the joint supplied with the branch piping set like A
2-5. Triple type for same model/same capacity or different model/same capacity
When the difference in length of pipes after the branch is longer than 3 m and shorter than 10 m
Outdoor unit model Indoor unit model Branching pipe Branching pipe set type Liquid branching pipe Gas branching pipe
d gas
Flare joint
(φ6.35)
ter diameter. ID12.7
Outdoor unit Joint A
Indoor unit Joint B
Connecting pipe ②
a (φ9.52) ①
② ID15.88
a ①
ID9.52 ③
③ CAUTION ID15.88
b ID9.52 Reference
Flare joint
6HP 2HP+2HP+2HP DIS-WA1 (φ6.35)
Floor surface ID12.7
Joint A
Connecting pipe Joint B
②
(φ9.52)
①
① ② ID15.88
ID9.52
b ③ ③
CAUTION Joint B
Reference
Floor surface ID12.7
Joint A
Flare joint
(φ6.35)
- 86 -
'11 • PAC-T-160
The figure below shows the remote control with the cover opened.
Ventilaion display Weekly timer display
Displayed during ventilation operation Displays the settings of the
weekly timer.
VENT button
GRILL button This button is used to operate external
This button has no function. ventilator.
When this button is pressed,
(Invalid Operation)
is displayed, but it does not mean a failure.
LOUVER button
This button is used to operate/stop the
Cover
swing louver.
CHECK button
This button is used at servicing.
RESET button
Press this button while making settings to go back to the
●
previous operation.
TEST button
This button is used during test operation. This button is also used to reset the "FILTER CLEANING" display.
●
* All displays are described in the liguid crystal display for explanation.
- 87 -
'11 • PAC-T-160
Master/ slave setting when more than one remote controllers are used
A maximum of two remote controllers can be connected to one indoor unit (or one group of indoor units.)
Switch Setting Contents
SW2 SW2
A
Indoor units M Master remote controller
SW1
B
親
S Slave remote controller
M Note (1) Don’t change SW2 because it is not used normally.
SW1 S
SW1子 Remote controller cord (no polarity)
Caution
When using multiple remote controllers, the following dispiays or settings
cannot be done with the slave remote controller. It is available only with
the master remote controller.
Louver position setting (set upper or lower limit of swinging range)
Setting indoor unit functions
Setting temperature range
Operation data display
Error data display
Silent mode setting
Test operation of drain pump
Remote controller sensor setting
- 88 -
'11 • PAC-T-160
-3 +3
Room temperature setting temperature
Room temperature (detected with ThI-A) [deg]
Note (1) Room temperature control during auto cooling/auto heating is performed according to the room temperature setting temperature. (DIFF: ±1 deg)
(2) If the indoor heat exchanger temperature rises to 59°C or higher during
Heating operation stopped (cooling)
heating operation, it is switched automatically to cooling operation. In
addition, for 1 hour after this switching, the heating operation is not Heating OK
performed, regardless of the temperature shown at right.
56 59
Indoor heat exchanger temperature (°C)
- 89 -
'11 • PAC-T-160
Sleep timer � � �
OFF timer � � �
ON timer � � �
Weekly timer � � �
Fan Fan
Lo OFF
35 25 35
Indoor heat exchanger temperature (˚C) Indoor heat exchanger temperature (˚C)
Heat exchanger temp. 35˚C or higher, or after 7 minutes Heat exchanger temp. 35˚C or higher, or after 7 minutes
Note (1) Heating preparation is displayed during the hot start (when the compressor is operating and the indoor fan does not provide the set airflow volume).
- 90 -
'11 • PAC-T-160
Temperature drop
Thermostat OFF
Temperature rise
−1 +1
Thermostat OFF
Heater ON
−1 +1
Temperature rise
Heater OFF Temperature drop
−1 +1
3℃
- 91 -
'11 • PAC-T-160
g) If the heating thermostat is turned OFF or it is changed to other operation mode (including Fan OFF), this control
stops and then it returns to the operating state.
5) If “Fan OFF” is selected, the fan on the unit on which the thermostat has been turned OFF is turned OFF. The fan on the
unit on which the thermostat has been turned OFF is turned OFF also when the remote controller sensor is effective.
(i) Filter sign
As the operation time (Total ON time of ON/OFF switch) accumulates to 180 hours (1), “FILTER CLEANING” is displayed
on the remote controller. (This is displayed when the unit is in trouble and under the centralized control, regardless of ON/OFF)
Note (1) Time setting for the filter sign can be made as shown below using the indoor function of wired remote controller “FILTER SIGN SET”. (It is set at 1 at the
shipping from factory.)
(2) After the setting time has elapsed, the “FILTER CLEANING” is displayed and, after operating for 24 hours further (counted also during the stop), the
unit stops.
(j) Compressor inching prevention control
1) 3-minute timer
When the compressor has been stopped by the thermostat, remote controller operation switch or anomalous condition,
its restart will be inhibited for 3 minutes. However, the 3-minute timer is invalidated at the power on the electric power
source for the unit.
2) 3-minute forced operation timer
• Compressor will not stop for 3 minutes after the compressor ON. However, it stops immediately when the unit is
stopped by means of the ON/OFF switch or by when the thermister turned OFF the change of operation mode.
• If the thermostat is turned OFF during the forced operation control of heating compressor, the louver position (with the
auto swing) is returned to the level position.
Note (1) The compressor stops when it has entered the protective control.
Forced
compressor OFF Temperature drop
Temperature rise
1.0 10
Indoor heat exchanger sensor temperature (℃)
2) Forced compressor OFF control of the anti-frost protection control is not operable for 4 minutes after the compressor
OFF. If the indoor heat exchanger sensor (ThI-R1, -R2) detects temperatures higher than the forced compressor OFF
temperature (1.0°C) after 4 minutes have elapsed from the compressor ON, the detection starts from the state that the
compressor can be turned ON.
3) If the indoor heat exchanger sensor (ThI-R1 or -R2) detects temperatures lower than the forced compressor OFF
temperature (1.0°C) for 5 minutes continuously after 4 minutes have elapsed from the compressor ON, the compressor
is turned OFF forcibly. If temperatures of the indoor heat exchanger sensors (ThI-R1, -R2) enter in the range that the
compressor can be turned ON, the compressor is turned ON.
4) “Anti-frost” signal is sent to the outdoor unit.
5) The forced compressor OFF temperature can be changed with the frost protection temperature of the wired remote
controller indoor function setting.
• Temperature – Low: 1.0°C (Factory default)
• Temperature – High: 2.5°C
(2) Indoor fan control during frost protection control
When the frost protection control starts during cooling or dehumidifying operation, the indoor fan control is changed as
follows.
- 92 -
'11 • PAC-T-160
a) When the indoor unit suction air temperature (detected with ThI-A) is higher than 23°C and the indoor heat
exchanger sensors (ThI-R1, -R2) detect the frequency drop start temperature A°C + 1.0°C, the indoor fan speed
is increased by 20 rps.
• Frequency drop start temperature (A) – Low: 1.0°C (Factory default)
• Frequency drop start temperature (A) – High: 2.5°C
b) When the indoor unit suction air temperature (detected with ThI-A) is higher than 23°C and the forced
compressor OFF control by the frost protection control is operating, the indoor fan speed is increased by 1 tap.
c) When, after increasing the indoor fan speed by the frost protection control, the indoor unit suction air temperature
is higher than 23°C and the indoor heat exchanger sensors detect the frequency drop start temperature A°C + 1.0°C,
the indoor fan speed is increased by 20 rps.
d) If the condition of b) above is detected again after increasing the indoor fan speed by the frost protection control,
the indoor fan speed is raised by 1 tap.
e) Valid or invalid of fan control can be selected with the frost protection control of the wired remote controller
indoor function.
(l) Heating overload protection
(1) If the indoor heat exchanger temperature (detected with ThI-R2, -R2) at 63°C or higher is detected for 2
seconds, the heating overload protection control starts and is released if temperatures at 56°C or lower
are detected.
Heating overload protection control Start
56 63
Indoor heat exchanger temperature (℃)
(2) First detection of heating overload
1) Compressor OFF signal is sent and the OFF control starts.
2) Compressor is turned ON if the thermostat is turned ON, and if the return air temperature (detected with ThI-A) at 31
°C or higher is detected for 2 seconds, the compressor s turned OFF forcibly.
(3) At second, third or fourth detection after detecting the heating overload
1) Compressor OFF signal is sent and the OFF control starts.
2) Compressor is turned ON if the thermostat is turned ON, and if the indoor fan speed is set at Me or Lo tap, the speed is
increased by 1 tap.
(4) If fifth detection occurs within 60 minutes after the first and it is detected for 6 minutes continuously, the
compressor stops with the anomalous stop (E8).
- 93 -
'11 • PAC-T-160
0 1 2 3 4 4 4 4 F
(Master unit) (Slave unit a) (Slave unit b) (Slave unit c)
Indoor unit
Remote controller wiring
R Remote controller
(2) Unit No. may be set at random unless duplicated, it should be better to set orderly like 0, 1, 2…, F to avoid mistake.
- 94 -
'11 • PAC-T-160
(p) Abnormal temperature thermistor (return air/indoor heat exchanger) wire/short-circuit detection
1) Broken wire detection
When the return air temperature thermistor detects -50°C or lower or the heat exchanger temperature thermistor detect
-50°C or lower for 5 seconds continuously, the compressor stops. After a 3-minute delay, the compressor restarts but,
if it is detected again within 60 minutes after the initial detection for 6 minutes continuously, stops again (the return air
temperature thermistor: E7, the heat exchanger temperature thermistor: E6).
2) Short-circuit detection
If the heat exchanger temperature thermistor detects 70°C or higher for 5 seconds continuously at 2 minutes and 20
seconds after the compressor ON during cooling operation, the compressor stops (E6).
(q) Operation permission/prohibition
(In case of adopting card key switches or commercially available timers)
When the indoor function setting of wired remote controller for “Operation permission/prohibition” is changed from “Invalid
(Factory default)” to “ Valid”, following control becomes effective.
1 Optional
2
XR1
CnT 3
XR2 Card key
Blue
4 switch
12V XR3 XR5
5
XR4
6
XR5
*1 Only the “LEVEL INPUT” is acceptable for external input, however when the indoor function setting of
“Level input (Factory default)” or “Pulse input” is selected by the function for “External input” of the wired remote
controller, operation status will be changed as follows.
In case of “Level input” setting In case of “Pulse input” setting
Unit operation from the wired
Unit starts operation
remote controller becomes
*(2)
available*(1)
*(1) In case that “Operation permission/prohibition mode” setting is “Valid” and “External input” setting is “Level
input (Factory default)”;
① When card key switch is ON (CnT-6 ON: Operation permission), start/stop operation of the unit from the
wired remote controller becomes available.
② When card key switch is OFF (CnT-6 OFF: Operation prohibition), the unit stops operation in conjunction
with OFF signal, and start/stop operation of the unit from the wired remote controller becomes not available.
*(2) In case that “Operation permission/prohibition mode” setting is “Valid” and “External input” setting is “Pulse
input (Local setting)”;
① When card key switch is ON (Operation permission), the unit starts operation in conjunction with ON signal.
and also start/stop operation of the unit from the wired remote controller becomes available.
② When card key switch is OFF (Operation prohibition), the unit stops operation in conjunction with OFF signal, and
start/stop operation of the unit from the wired remote controller becomes not available.
(3) This function is invalid only at “Center mode” setting done by central controller.
- 95 -
'11 • PAC-T-160
Optional
1
①Operation output (CnT-2: XR1)
2
XR1 ②Heating output (CnT-3: XR2)
CnT 3
Blue
XR2 ③Thermostat ON output (CnT-4: XR3)
4
12V XR3 ④Error output (CnT-5: XR4)
5
XR4
⑤Remote operation input (CnT-6: No-voltage contactor)
6
XR5
ON ON
Unit A OFF OFF OFF
ON ON
Unit B
OFF OFF
ON
Unit A OFF OFF
ON ON
Unit B
OFF
- 96 -
'11 • PAC-T-160
3) Remote operation
a) In case of multiple units (Max. 16 indoor units group) are connected to one wired remote controller
When the indoor function setting of wired remote controller for “External control set” is changed from “Individual
(Factory default)” to “ For all units”, all units connected in one wired remote controller system can be controlled by
external operation input.
Outdoor unit Outdoor unit Outdoor unit Outdoor unit Outdoor unit
① ② ③ ④ Ⓝ
Refrigerant piping
123 123 123 123 123
Signal &
Power
External
input
XY XY XY XY XY XY XY XY
Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit
Indoor unit Indoor unit Indoor unit
① ② ③ ④䇭(master) ④䇭(slave) ④䇭(slave) ④䇭(slave) Ⓝ
XY
Wired remote controller Ex. Indoor units = ①+②+③+④x4+……Ⓝ ≦16 units
When more than one indoor unit (Max. 16 indoor units) are connected in one wired remote controller system:
(1) With the factory default, external input to CnT-6 is effective for only the unit ①.
(2) When setting “For all unit” (Local setting), all units in one remote controller system can be controlled by external
input to CnT-6 on the indoor unit ①.
(3) External input to CnT-6 on the other indoor unit than the unit ① is not effective.
- 97 -
'11 • PAC-T-160
-1 +1 +2 +4
Setting temperature Setting temperature
Room temperature (deg) Room temperature (deg)
- 98 -
'11 • PAC-T-160
Max. required Indoor unit air flow “P-Hi”, “Hi” 90 105 105 100 120
frequency Indoor unit air flow “Me”, “Lo” 60 80 85 70 80
Min. required frequency 20 20 20 30 30
2) Heating operation Unit: rps
Model 100 125 140 200 250
Max. required Indoor unit air flow “P-Hi”, “Hi” 90 105 110 100 120
frequency Indoor unit air flow “Me”, “Lo” 60 80 85 70 80
Min. required frequency 20 20 20 30 30
3) If “Silent mode start” signal is received from the remote controller, the maximum required frequency becomes same as
when the indoor air flow is set at “Lo”.
4) Max. required frequency under high outdoor air temperature in cooling mode
Maximum required frequency is selected according to the outdoor air temperature (Tho-A).
Unit: rps
Model 100 125 140 200 250
Outdoor air temperature is
75 90 96 75 98
Max. required 40°C or higher
frequency Outdoor air temperature is
75 75 75 66 66
46°C or higher
- 99 -
'11 • PAC-T-160
b)
Low frequency operation control during heating
[Control condition] When the conditions of compressor protection start III are established and one of following conditions
➀ and ➁ is satisfied, the low number of revolutions operation control is performed during heating.
➀ At 30 minutes or more after turning the power supply breaker on
➁ Compressor underneath temperature (Tho-H) is 4°C or higher and the difference from the
outdoor air temperature (Tho-A) becomes 4°C or higher. [model 200, 250 only]
[Control contents] ➀ Starts the compressor with its target frequency at A rps. However, when the indoor unit
return air temperature (ThI-A) is 25°C or higher, it start at C rps.
➁ At 30 seconds after the start of compressor, the compressor’s target frequency is changed to
B rps and the compressor’s operation frequency is fixed for 10 minutes.
Model Operation mode A rps B rps C rps
100~140 Heating 55 55 30
200, 250 Heating 55 30 30
- 100 -
'11 • PAC-T-160
zone zone
46 48 43 53
zone zone
30 37 33 40
zone zone
15 18 20 30
Outdoor air temp. (˚C) Outdoor unit heat exchanger temp. (˚C)
3) Fan tap control during heating operation
Fan taps are selected depending on the outdoor unit heat exchanger temperature (Tho-R1, R2) and the outdoor air temperature (Tho-A).
Note (1) It is detected by Tho-R1 or R2, whichever the lower.
• Model 100 ~ 140 • Model 200, 250
zone zone zone zone zone zone
zone Tap 3 Tap 3 Tap 4 zone Tap 3 Tap 3 Tap 4(1)
zone Tap 3 Tap 4 Tap 5 zone Tap 3 Tap 4(1) Tap 5
zone Tap 4 Tap 5 Tap 6 zone Tap 4 Tap 5 Tap 6
Note (1) In silent mode, the fan taps are shifted from “Tap 4” to “Tap 3” for all models.
zone zone
zone zone
12 15 zone 1 3
zone
3 9 -2 0
Outdoor air temp. (˚C) Outdoor unit heat exchanger temp. (˚C)
4) Outdoor unit fan control at cooling low outdoor air
a) When all the following conditions are established after the start of compressor, the following control is implemented.
If the outdoor air temperature (Tho-A) is in the zone in the cooling/dehumidifying mode, it has elapsed 20
seconds from the start of outdoor unit fan and the outdoor unit fan is at the tap 1 speed, the outdoor unit fan speed is
controlled according to the outdoor unit heat exchanger temperature (Tho-R1, R2).
Note (1) It is detected with Tho-R1 or R2, whichever the higher.
Outdoor unit fan speed
+10min-1
zone Retained
Outdoor unit fan speed
zone -10min-1
5 10 20 30
Outdoor air temp. (˚C) Outdoor unit heat exchanger temp. (˚C)
Note (1) In silent mode, the fan taps are shifted from “Tap 4” to “Tap 3” for all models.
- 101 -
'11 • PAC-T-160
b) The outdoor unit heat exchanger temperature is detected always and, when the number of revolutions of the outdoor
fan speed has been increased or decreased, there is no change of fan speed for 20 seconds.
c) Rage of the outdoor unit fan speed under this control is as follows.
➀ Lower limit: 130rpm
➁ Upper limit: 500rpm
d) As any of the following conditions is established, this control terminates.
i) When the outdoor air temperature is in the zone and the outdoor unit heat exchanger temperature at 30°C or
higher is established for 40 seconds or more continuously.
ii) When the outdoor fan speed is 500rpm and the outdoor unit heat exchanger temperature at 30°C or higher is
established for 40 seconds or more continuously.
iii) When the outdoor unit heat changer temperature at 45°C or higher is established for 40 seconds or more.
5) Outdoor unit fan control by the power transistor radiator fin temperature
When all the following conditions are established later than 3 minutes after the start of compressor, the following control
is implemented.
a) Cooling/dehumidifying
➀ Outdoor air temperature Tho-A 33°C
➁ Compressor’s actual frequency A rps
➂ Power transistor radiator fin temperature C °C
b) Heating
➀ Outdoor air temperature Tho-A 16°C
➁ Compressor’s actual frequency B rps
➂ Power transistor radiator fin temperature C °C
c) Control contents
i) Raises the outdoor unit fan tap by 1 tap.
ii) When the sampling is for 60 minutes and the value of power transistor radiator fin temperature (Tho-P) is as
follows.
➀ When the power transistor radiator fin temperature (Tho-P) C °C, the outdoor unit fan tap is raised by 1 speed
further.
➁ When C °C > power transistor radiator fin temperature (Tho-P) D °C, present outdoor unit fan tap is
maintained.
➂ When the power transistor radiator fin temperature (Tho-P) D °C, the outdoor unit fan tap is dropped by 1
speed.
d) Ending conditions
When the operation under the condition of item ii), ➂ above and with the outdoor unit fan tap, which is determined
by the item 2) is detected 2 times consecutively.
• Compressor’s frequency and power transistor radiator fin temperature
Item
A B C D
Model
100~140 85 85 72 68
200, 250 70 70 80 75
- 102 -
'11 • PAC-T-160
(e) Defrosting
1) Defrosting start conditions -2
- 103 -
'11 • PAC-T-160
Retention
Note (1) Value in ( ) are for the model 200, 250.
Release
(105)
100 (110)
105
Compressor operation
Note (1) Value in ( ) are for the model 200, 250.
(90)
85 (135)
115
Compressor operation
51 65
- 104 -
'11 • PAC-T-160
Reset
47 58
Indoor unit heat exchanger temp. (°C)
Resert
33°C
0.150 0.425
Low pressure (MPa)
- 105 -
'11 • PAC-T-160
23 140 (Fig.A)
current
side 200
Not implemented
17 250
36 39
Tho㧙A(°C) : Outdoor air temperature
[Fig.A]
8) Power transistor temperature protection
a) Protective control
If the power transistor temperature (detected with TIP) exceeds the setting value, the compressor speed (frequency)
is controlled to suppress the rise of power transistor temperature.
Reduces compressor frequency
at each minute.
Retention
Reset
81 85
Power transistor temp. (°C)
b) Anomalous stop control (model 200, 250 only)
i) If the power transistor temperature rises further, the protective switch in the power transistor operates to protect
the compressor and the power transistor.
ii) Under any of the following condition, E41 is displayed and it enters the anomalous stop mode.
➀ When the protective switch in the power transistor operates 5 times within 60 minutes and the compressor stops.
9) Anomalous power transistor current
a) Prevents over-current on the inverter. If the current value in the power transistor exceeds the setting value, the
compressor stops.
b) If the current value in the power transistor exceeds the specified value and the compressor stops 4 times within 30
minutes, E42 is displayed on the remote controller and it enters the anomalous stop mode.
10) Anomalous inverter PCB
If the power transistor detects any anomaly for 15 minutes, including the stop of compressor, E51 is displayed on the
remote controller and it enters the anomalous stop mode.
11) Anti-frost control by the compressor frequency control
a) If the indoor unit heat exchanger temperature (detected with ThI-R) exceeds the setting value at 4 minutes after the
start of compressor, the compressor speed (frequency) is controlled to initiate the anti-frost control of indoor unit
heat exchanger.
b) When there are 3 indoor unit heat exchanger temperatures (ThI-R), the lowest temperature is detected.
Reset
Retention
Reduces compressor frequency
at each minute.
1.5 3.5
Indoor unit heat exchanger temp. (°C)
c) Regarding the anti-frost control by the operation stop, refer to the operation control function by the indoor unit
controller and the cooling, dehumidifying frost prevention of page 92
- 106 -
'11 • PAC-T-160
- 107 -
'11 • PAC-T-160
Caution: Since pressing the pump-down switch cancels communications with the indoor unit, the indoor unit and the
remote controller display “Transmission error – E5”. This is normal.
- 108 -
'11 • PAC-T-160
Base heater ON
3 5
Outdoor air temperature (ºC) [Tho-A]
- 109 -
'11 • PAC-T-160
Required frequency
(a) Cooling/dehumidifying operation Unit: rps
Model 71 100 125 140
Max. required Indoor unit air flow “P-Hi”, “Hi” 88 75 95(92) 95(92)
frequency Indoor unit air flow “Me”, “Lo” 80 50 60 70
Min. required frequency 20 20 20 20
Note (1) Value in ( ) are for the models FDC125VSX, 140VSX.
(b) Heating operation Unit: rps
Model 71 100 125 140
Max. required Indoor unit air flow “P-Hi”, “Hi” 112 100 120 120
frequency Indoor unit air flow “Me”, “Lo” 90 60 70 70
Min. required frequency 20 20 20 20
(c) If “Silent mode start” signal is received from the remote controller, the maximum required frequency becomes same as
when the indoor air flow is set at “Lo”.
(d) Max. required frequency under high outdoor air temperature in cooling mode
Maximum required frequency is selected according to the outdoor air temperature (Tho-A).
Unit: rps
Model 71 100 125 140
Outdoor air temperature is
76 75 75 75
Max. required 40°C or higher
frequency Outdoor air temperature is
62 70 70 70
46°C or higher
(e) Max. required frequency under outdoor air temperature in heating mode
Maximum required frequency is selected according to the outdoor air temperature (Tho-A).
Unit: rps
Model 71 100 125 140
Outdoor air temperature is
76 75 80 85
18°C or higher
Max. required Outdoor air temperature is
100 100 100 100
frequency 10°C or higher
Outdoor air temperature is
100 – – –
5°C or higher
(g) When any of the controls from (a) to (f) above may duplicate, whichever the smallest value among duplicated controls is
taken as the maximum required frequency.
(h) During heating, it is operated with the maximum required frequency until the indoor unit heat exchanger temperature
becomes 40°C or higher.
- 110 -
'11 • PAC-T-160
- 111 -
'11 • PAC-T-160
zone zone
46 48 43 53
zone zone
30 37 33 40
zone zone
15 18 20 30
Outdoor air temp. (˚C) Outdoor unit heat exchanger temp. (˚C)
(c) Fan tap control during heating operation
Fan taps are selected depending on the outdoor unit heat exchanger temperature (Tho-R1, R2) and the outdoor air temperature (Tho-A).
Note (1) It is detected by Tho-R1 or R2, whichever the lower.
zone zone zone
zone Tap 3 Tap 3 Tap 4
zone Tap 3 Tap 4(5) Tap 5
zone Tap 4 Tap 5 Tap 6
Note (1) Value in ( ) is for the model 71.
zone zone
zone zone
12 15 zone 1 3
zone
3 9 -2 0
Outdoor air temp. (˚C) Outdoor unit heat exchanger temp. (˚C)
(d) Outdoor unit fan control at cooling low outdoor air
1) When all the following conditions are established after the start of compressor, the following control is implemented.
If the outdoor air temperature (Tho-A) is in the zone in the cooling/dehumidifying mode, it has elapsed 20
seconds from the start of outdoor unit fan and the outdoor unit fan is at the tap 1 speed, the outdoor unit fan speed is
controlled according to the outdoor unit heat exchanger temperature (Tho-R1, R2).
Note (1) It is detected with Tho-R1 or R2, whichever the higher.
Outdoor unit fan speed
+10min-1
zone Retained
Outdoor unit fan speed
zone -10min-1
5 10 20 30
Outdoor air temp. (˚C) Outdoor unit heat exchanger temp. (˚C)
- 112 -
'11 • PAC-T-160
2) The outdoor unit heat exchanger temperature is detected always and, when the number of revolutions of the outdoor
fan speed has been increased or decreased, there is no change of fan speed for 20 seconds.
3) Rage of the outdoor unit fan speed under this control is as follows.
a) Lower limit: 130rpm
b) Upper limit: 500rpm
4) As any of the following conditions is established, this control terminates.
a) When the outdoor air temperature is in the zone and the outdoor unit heat exchanger temperature at 30°C or
higher is established for 40 seconds or more continuously.
b) When the outdoor fan speed is 500rpm and the outdoor unit heat exchanger temperature at 30°C or higher is
established for 40 seconds or more continuously.
c) When the outdoor unit heat changer temperature at 45°C or higher is established for 40 seconds or more.
(e) Outdoor unit fan control by the power transistor radiator fin temperature
When all the following conditions are established later than 3 minutes after the start of compressor, the following control
is implemented.
1) Cooling/dehumidifying
a) Outdoor air temperature Tho-A 33°C
b) Compressor’s actual frequency A rps
c) Power transistor radiator fin temperature C °C
2) Heating
a) Outdoor air temperature Tho-A 16°C
b) Compressor’s actual frequency B rps
c) Power transistor radiator fin temperature C °C
3) Control contents
a) Raises the outdoor unit fan tap by 1 tap.
b) When the sampling is for 60 minutes and the value of power transistor radiator fin temperature (Tho-P) is as
follows.
➀ When the power transistor radiator fin temperature (Tho-P) C °C, the outdoor unit fan tap is raised by 1 speed
further.
➁ When C °C > power transistor radiator fin temperature (Tho-P) D °C, present outdoor unit fan tap is
maintained.
➂ When the power transistor radiator fin temperature (Tho-P) D °C, the outdoor unit fan tap is dropped by 1
speed.
4) Ending conditions
When the operation under the condition of item b), ➂ above and with the outdoor unit fan tap, which is determined
by the item (b) is detected 2 times consecutively.
• Compressor’s frequency and power transistor radiator fin temperature
Unit: °C
Item
A B C D
Model
71 60 70 80 75
100, 125, 140 65 65 72 68
- 113 -
'11 • PAC-T-160
-10
2) Defrosting conditions B )
ON
3-1
a) When previous defrosting end condition is the e(
SW
tur rd)
time out of defrosting operation and it is in the -15 era da
te mp S tan
t art ur e(
heating operation after the cumulative compressor tio
ns
pe
rat
p era em
operation time after the end of defrosting has -20 fro
st o ta rt t
De ns
become 30 minutes. ra tio Defrost operation start
pe
to temperature zone
os
b) After 5 minutes from the start of compressor -24
-25 De
fr
1) When it has elapsed 8 minutes and 20 seconds after the start of defrosting. (After 10 minutes and 20 seconds for model 71)
2) When the outdoor unit heat exchanger temperatures (Tho-R1, R2), whichever the lower, becomes 12°C or higher for
10 seconds continuously.
- 114 -
'11 • PAC-T-160
Retention
Release
100 105
Compressor operation
85 115
Compressor operation
51 65
- 115 -
'11 • PAC-T-160
Reset
47 58
Indoor unit heat exchanger temp. (°C)
Resert
33°C
0.150 0.425
Low pressure (MPa)
- 116 -
'11 • PAC-T-160
Retention
Reduces compressor frequency
at each minute.
1.5 3.5
Indoor unit heat exchanger temp. (°C)
3) Regarding the anti-frost control by the operation stop, refer to the operation control function by the indoor unit
controller and the cooling, dehumidifying frost prevention of page 92.
- 117 -
'11 • PAC-T-160
- 118 -
'11 • PAC-T-160
Base heater ON
3 5
Outdoor air temperature (ºC) [Tho-A]
- 119 -
'11 • PAC-T-160
Keeps Keeps
Stays OFF Stays OFF — • Normal operation — —
flashing flashing
- 120 -
'11 • PAC-T-160
Installation or operating
• Higher outdoor heat exchanger temperature Repair
condition
Keeps Keeps Outdoor heat exchanger Replacement of
Stays OFF 1 time flash • Defective outdoor heat exchanger temperature thermistor 174
flashing flashing temperature thermistor temperature thermistor
*• Defective outdoor control PCB (Defective temperature thermistor input
Outdoor control PCB Replacement of PCB
circuit)?
Installation or operating • Higher discharge temperature Repair
condition
Keeps Keeps Discharge pipe Replacement, repair of
Stays OFF 1 time flash • Defective discharge pipe temperature thermistor 175
flashing flashing temperature thermistor temperature thermistor
*• Defective outdoor control PCB (Defective temperature thermistor input
Outdoor control PCB Replacement of PCB
circuit)?
Outdoor heat exchanger • Defective outdoor heat exchanger temperature thermistor, broken wire or poor Replacement, repair of
Keeps Keeps Keeps temperature thermistor connector connection temperature thermistor
Stays OFF 1 time flash flashing 176
flashing flashing *• Defective outdoor control PCB (Defective temperature thermistor input
Outdoor control PCB Replacement of PCB
circuit)?
Outdoor air temperature • Defective Outdoor air temperature thermistor, broken wire or poor connector Replacement, repair of
Keeps Keeps thermistor connection temperature thermistor
Stays OFF 1 time flash 177
flashing flashing *• Defective outdoor control PCB (Defective temperature thermistor input
Outdoor control PCB Replacement of PCB
circuit)?
Discharge pipe • Defective discharge pipe temperature thermistor, broken wire or poor Replacement, repair of
Keeps Keeps temperature thermistor connector connection temperature thermistor
Stays OFF 1 time flash 178
flashing flashing *• Defective outdoor control PCB (Defective temperature thermistor input
Outdoor control PCB Replacement of PCB
circuit)?
Installation or operating
Keeps Keeps • Rising high pressure (Operation of 63H1) • Service valve closing operation Repair
Stays OFF 1 time flash condition 179
flashing flashing
Outdoor control PCB *• Defective outdoor control PCB (Defective 63H input circuit)? Replacement of PCB
2 times flash
Keeps Keeps Inverter PCB or radiator Replacement of PCB
Stays OFF 1 time flash or • Power transistor overheat 180
flashing flashing fin or Repair
6 times flash
Outdoor control PCB
1 time flash • Current cut (Anomalous compressor over-current) Replacement of PCB
Keeps Keeps compressor
Stays OFF 1 time flash or 182
flashing flashing Installation or operating
5 times flash • Service valve closing operation Repair
condition
Keeps Keeps Service valve opening
Keeps Keeps Keeps Outdoor control PCB • Anomalous outdoor control PCB communication
flashing Stays OFF 1 time flash flashing check 184
flashing flashing flashing
Inverter PCB • Anomalous inverter PCB communication Replacement of PCB
Keeps Keeps Inverter PCB • Defective outdoor inverter PCB (Model FDC 71)
Stays OFF 1 time flash 7 times flash Replacement 185
flashing flashing activefilter Defective active filter of control.
Keeps Keeps Outdoor fan motor • Anomalous outdoor fan motor Replacement, repair
Stays OFF 1 time flash 186
flashing flashing Outdoor control PCB *• Defective outdoor control PCB (Defective motor input circuit)? Replacement of PCB
Installation or operating
Keeps • Low pressure error • Service valve closing operation Repair
condition
flashing
Keeps Keeps • Anomalous low pressure, broken wire of low pressure sensor or poor Replacement, repair of
Stays OFF 1 time flash Low pressure sensor 187
flashing flashing connector connection sensor
Replacement of control
Outdoor control PCB *• Defective outdoor control PCB (Defective sensor input circuit)?
PCB
2 times flash
Keeps Keeps
Stays OFF 1 time flash or Inverter PCB • Anomalous inverter PCB Replacement of PCB 189
flashing flashing
6 times flash
Suction pipe • Defective suction pipe temperature thermistor, broken wire or poor connector Replacement, repair of
Keeps Keeps temperature thermistor connection temperature thermistor
Stays OFF 1 time flash 190
flashing flashing Replacement of control
Outdoor control PCB *• Defective outdoor PCB (Defective thermistor input circuit)?
PCB
Low pressure sensor • Defective low pressure sensor Replacement of sensor
Keeps Keeps
Stays OFF 1 time flash Replacement of control 191
flashing flashing Outdoor control PCB • Defective outdoor control PCB (Defective sensor input circuit)?
Keeps PCB
flashing Compressor underneath • Defective compressor underneath temperature thermistor (Models 200, 250 Replacement of
Keeps Keeps temperature thermistor only) temperature thermistor
Stays OFF 1 time flash 192
flashing flashing • Defective outdoor control PCB (Defective thermistor input circuit)? (Models Replacement of control
Outdoor control PCB
200, 250 only) PCB
Operation status • Shortage in refrigerant quantity Repair
Keeps Keeps
Stays OFF 1 time flash Service valve opening 193
flashing flashing Installation status • Service valve closing operation
check
Stays OFF or
Keeps 5 times Keeps Compressor inverter
Stays OFF 4 times • Anomalous compressor startup Replacement 194
flashing flash flashing PCB
flash
Keeps Keeps Keeps
Stays OFF 1 time flash Compressor • Anomalous compressor rotor position detection (Models 200, 250 only) Replacement 196
flashing flashing flashing
Note (1) * mark in the Description of trouble means that, in ordinary diagnosis, it cannot identify the cause definitely, and, if the trouble is repaired by replacing the part, it
is judged consequently that the replaced part was defective.
(2) This LED is installed on models FDC200, 250VS
(3) This LED is installed on models FDC71~140VNX, FDC100~140VS, FDC100~140VNX, FDC100~140VSX
(4) This LED is installed on models FDC200, 250VS
(iii) Optional controller in-use
Indoor unit control PCB Outdoor unit control PCB
Description of trouble Repair method
Error code Red LED Red LED Green LED Red LED Green LED
Keeps flashing Stays OFF Keeps flashing Stays OFF Keeps flashing • Communication error (Defective communication circuit on the main unit of SC-SL2N-E or SC-SL3N-E) ete. Replacement
- 121 -
'11 • PAC-T-160
- 122 -
'11 • PAC-T-160
Confirmation of
Confirmation remote controller and Replacement/
of power LEDs on the PCB Check of the anomalous Inspection repair of
Trouble supply of indoor unit and operation data on the of the unit/ faulty part,
(Indoor/ outdoor unit (Indoor/ remote controller controller test run,
outdoor unit) outdoor unit, remote adjustment
controller)
- 123 -
'11 • PAC-T-160
SAFETY PRECAUTIONS
4GRNCEGVJG2%$
TGHGTVQPGZVRCIG
Part number
- 124 -
'11 • PAC-T-160
SW2 Address No. setting at plural indoor units control by 1 R/C 0 0-F
SW5-1 OFF
Master/Slave setting Master*/Slave See table 2
SW5-2 OFF
SW6-1
SW6-2
Model selection As per model See table 1
SW6-3
SW6-4
SW7-1 Test run, Drain motor Normal*/Test run OFF Normal
SW7-2 Reserved OFF keep OFF
SW7-3 Powerful mode Valid*/Invalid ON Valid
SW7-4 Reserved OFF keep OFF
JSL1 Superlink terminal spare Normal*/switch to spare With
* Default setting
- 125 -
'11 • PAC-T-160
! WARNING
・ Securely replace the PCB according to this procedure.
If the PCB is incorrectly replaced, it will cause an electric shock or fire.
・ Be sure to check that the power source for the outdoor unit is turned OFF before replacing the
PCB. The PCB replacement under current-carrying will cause an electric shock or fire.
・ After finishing the PCB replacement, check that wiring is correctly connected with the PCB before
power distribution. If the PCB is incorrectly replaced, it will cause an electric shock or fire.
! CAUTION
・ Band the wiring so as not to tense because it will cause an electric shock.
- 126 -
'11 • PAC-T-160
CNIP
CNB
CNG1 Voltage measurement point
CNI3 (T26(red)ޔT27(blue))
CNQ1
CNQ2
CNA1
SW4
CNW
(PWB3)
CNPS CNEEV1 CNFAN CNS CNH CNA2
CNEEV2 CNN CNR Fig.1 Position of terminal
- 127 -
'11 • PAC-T-160
CNA1
(+)
CNFAN1
CNI3 JSW
PCA505A187
CNFAN2
CNI1
SW5 Voltage measurement parts
SW4
(Pin terminals1-2 of CNA1)
SW3
CNEEV2 SW(J5-7)
CNPS
CNEEV1 Fig.1 Enlarged figure of parts location
CNB CNTH
CNIP
Parts Arrangement View
- 128 -
'11 • PAC-T-160
CNH
CNW after elapsing 3 minutes
from power OFF
CNA2 CNS
Voltage measurement parts
CT1
CNR
CNW2
CNA1
CNFAN1
CNI3
JSW
CNI1
SW5
SW4
SW3
CNPS
CNEEV2 CNEEV1
CNB CNTH
Parts No. CNIP
Parts arrangement view
- 129 -
'11 • PAC-T-160
CNH
CNW after elapsing 3 minutes
CNM
from power OFF
CNA2 CNS
CNFAN1
CNI3
JSW
CNI1
SW5
SW4
SW3
CNPS
CNEEV2 CNEEV1
CNB CNTH
Parts No. CNIP
- 130 -
'11 • PAC-T-160
after elapsing 3
CNH minutes from
CNW power OFF
CNM
CT1
CNR
CNW2
CNA1
CNFAN1
CNFAN2
JSW
CNI1
SW5
SW4
SW3
CNEEV2 CNPS
CNEEV1
CNU CNTH
CNIP Voltage measurement parts
Parts No. CNB
Parts Arrangement View Front View Side View
- 131 -
'11 • PAC-T-160
JSW11
CNI4 JSW11
JSW10
CNI4 JSW10
CNI2
CNI2
SCREW OF DIODE STACK (DS1) Voltage measurement point
SCREW OF DIODE STACK (DS1) Voltage measurement point
T27 T25 T26 CNO1 SCREW OF ACTIVE FILTER (IC2) (T26 (red), T27 (blue))
T27 (YELLOW)
T25 (RED)
T26 CNO1 SCREW OF ACTIVE FILTER (IC2) (T26 (red), T27 (blue))
(BLUE) Fig. 1 Position of fastontab and terminal
(BLUE) (YELLOW) (RED) Fig. 1 Position of fastontab and terminal
Parts arrangement view
Parts arrangement view Table. 1 Switch setting
Table. 1 Switch setting
-1 OFF -1 ON
-1 OFF -1 ON
Connectors are -2 OFF -2 ON
Connectors are JSW10 -2 OFF JSW11 -2 ON
not half inserted JSW10 -3 OFF JSW11 -3 ON
not half inserted -3 OFF -3 ON
-4 OFF -4 ON
-4 OFF -4 ON
- 132 -
'11 • PAC-T-160
TB5 CNI4
Switch
TB7 JSW11
JSW10
CNACT1
TB8 TB9
- 133 -
'11 • PAC-T-160
TB5 CNI4
Switch
TB7 JSW11
JSW10
CNACT1
TB8 TB9
- 135 -
'11 • PAC-T-160
CNW1
Connector
CNR
Terminal
block
TB6
CNI2
Switch
TB5
JSW11
TB7 TB8 TB9 JSW10
- 136 -
'11 • PAC-T-160
Connector(CNR)
Terminal
block(TB2) LED1,2
※
SW1,2
Noise filter
substrate
R,S,T
Parts No.
- 137 -
'11 • PAC-T-160
- 138 -
'11 • PAC-T-160
➃ When plural indoor units is connected, the smallest address number 11 (Pulse of Indoor Unit Expansion Value)
12 (Total Running Hours of The Indoor Unit)
of indoor unit among all connected indoor unit is displayed.
21 (Outdoor Air Temperature)
[Example]: 22 (Outdoor Heat Exchanger Thermistor)
“ ” (blinking 1 seconds) ➝ “ ” 23 (Outdoor Heat Exchanger Thermistor)
blinking. 24 (Compressor Frequency)
25 (High Pressure)
➄ Select the indoor unit number you would like to have data displayed
26 (Low Pressure)
with the button. 27 (Discharge Pipe Temperature)
➅ Determine the indoor unit number with the (SET) button. 28 (Comp Bottom Temperature)
(The indoor unit number changes from blinking indication to 29 (Current)
30 (Target Super Heat)
continuous indication)
31 (Super Heat)
“ ” (The address of selected indoor unit is blinking for 2 32 (Discharge Pipe Super Heat)
seconds.) 33 (Protection State No. of The Compressor)
34 (Outdoor Unit Fan Speed)
35 (63H1 On/Off)
“ ” (A blinking indication appears while data loaded.)
36 (Defrost Control On/Off)
Next, the operation data of the indoor unit is indicated. 37 (Total Running Hours of The Compressor)
➆ Upon operation of the button, the current operation data is 38 (Pulse of The Outdoor Unit Expansion Valve EEVC)
displayed in order from data number 01. 39 (Pulse of The Outdoor Unit Expansion Valve EEVH)
- 139 -
'11 • PAC-T-160
(6) Power transistor module (including the driver PCB) inspection procedure
Is the power
YES
transistor module
cracked or burnt?
NO
Is there a
short circuit between the YES
power transistor module
terminals?
1
NO
Compressor operation
- 140 -
'11 • PAC-T-160
Power ON or start check operation During this period, ON/OFF status of LED is
repeated cyclically according to following pattern
1 2 3 10
15 sec.
5sec. 5sec.
5sec.
e) Be sure to turn off JSW10-4 on outdoor inverter PCB, after finishing the check operation.
〈Inverter Checker〉
LED LED ON/OFF pattern
Cyclically ● ON
Red White ○ OFF
U Black
V
Faston terminal W
Connect to the terminal of the wires which are disconnected from compressor.
- 141 -
(9) Outdoor unit controller failure diagnosis circuit diagram
(8)
Model FDC71VNX
T28 U
TB1 Ri
Red
t° Ro1
T1 T5 T21
Yellow/Green ~ +
NOISE 52X
DIP-IPM
CM
Si A/F MODULE T29 V White
FILER PWB So1 T22
T2 20A
White T6
N F
~ -
250V 20A
Red CNO2 CNO T30 W
L Black
Ro2 PWB3 52
X
T8 F6
1
Orange PWB2
LED1 INVERTER PWB
-
So2
Gray T9 Yellow
2
LED1(Yellow) check:
142 -
THo-IPM
THo-R2
THo-R1
THo-D
THo-A
THo-S
LPT
Must be conductive.
t°
t°
t°
t°
t°
t°
When fuse is blown,
replace it or check wiring. CNA2 CNA1 CNIP CNB CNTH CNPS CNG1 CNV CNI3 CNI1
CNQ1
F3 SW PWB A
CNW
PWB4
PWB1
CNW2
CNQ2
F4 250V 2A
PWB4
CNH
20S DH
LED2(Red) check: OPTION M M M
1~5 time flash : Refer to page 121 CH
EEVC EEVH FMo
'11 • PAC-T-160
Must be conductive. Fuse check: When the outdoor unit fan
When blown, replace with F3 fuse. There should be continuity. motor is anomalous:
Replace also fan motor. If faulty, replace the control PCB (Refer to page 186)
Models FDC100,125,140VNX
●Outdoor unit check points
Check items with the *mark when the power is ON.
Capacitor check:
DC Reactor continuity Check:
Check for anomaly in appearance
Noise filter check: Max 25mΩ
such as damage, swelling, etc.
There should be continuity.
* Power supply check: There should be no shorts between phases.
Measure the power supply L1,N Check the power transistor
(It is normal if it is AC220-240V) module if there is short, open, or
breakdown on the elements
PWB2
L1 INVERTER PWB
TB
Yellow/Green
E1 t°
Red
L1 L1i L1o ~ + + L1 L2 P
F 250V 30A TB7 Red U
TB1 TB10 P C1
White F 250V 8A 52X1 A/F MODULE
N Ni DM
TB8 White V
Red TB2 TB11 N2 DIP-IPM CM
1 1 PWB3 No ~ - N2 LED1
- (Yellow)
2
White TB9 Blue W
White 2 NOISE FILTER CT1
Blue
3
E
THo-R2
THo-R1
-
THo-D
THo-P
THo-A
THo-S
Must be conductive. CNACT1 CNI2 CNI4 CNE
143 -
t°
t°
t°
t°
t°
F 250V 4A RAM
CNW CNIP CNB CNTH CNPS CNA2
CNW2 CNI1
CNI3
18V
PWB1 15V
CONTROL PWB
CNA1
RAM CNE F1 (250V, 2A)
FMO1 LED1 (Yellow) Check :
CNFAN1 M 1~6 fimes flash
63H1 LED2 LED1 F2 (250V, 4A) (Refer to page 121)
(Red) (Green)
CNH
FMO2
CNR CNS CNF CNFAN2 M
CNEEV1 CNEEV2
'11 • PAC-T-160
CH1 20S DH When the outdoor
OPTION M M unit fan motor is
abnormal:
SM1 SM2 (Refer to page 186)
LED2(Red) check:
1~5 time flash : (Refer to page 121)
FDC100,125,140VSX
●Outdoor unit check points Resistance check: Capacitor check:
Check items with the *mark when the power is ON. Resistance is measured DC Reactor contiuity Check for anomaly in appearance
(15Ω) check:55mΩ or less such as damage,swwll,etc.
TB TB5
Red L1o 1 2 R3 C1
L1 L1i AC1 R5 +4
F 250V 8A Va TB7 Red
U
L2
White
L2i PWB3 L2o 52C AC2 DM U
TB8
NOISE FILTER PWB R4 C2 DIP-IPM White
V CM
Blue 3 4
L3 L3i L3o AC3 -6 TB6 W
TB9 Black
CT1
Black
N Ni F1 No CNW2
T12 CN1 CN2-1
5 6
F 250V 4A
CNR
THo-R2
THo-R1
THo-D
THo-A
THo-S
1
THo-P
-
2 LPT
t°
t°
t°
t°
t°
t°
144 -
3
CNW CNIP CNB CNTH CNM CNPS CNA2
CNE RAM
CNI1 CNI2
PWB1 CNI3
CNW2 18V
CONTROL PWB 15V
LED1
CNA1 (Yellow)
CNW1
F1 (250V, 2A)
RAM CNE
LED1 LED2 CNFAN1 M
(Green) (Red) CNO1
F2 (250V, 4A)
FMO1
CNH
'11 • PAC-T-160
SM1 SM2
TB7
THo-R2
THo-R1
THo-D
THo-A
THo-S
CNACT1 CNI2 CNI4 CNE
-
145 -
LPT
THo-IPM
RAM
2 CNW CNIP CNIP CNTH CNPS CNA2
CNW2 CNI1
Must be conductive. CNI3
When fuse is blown, PWB1 18V
CNEEV1 CNEEV2
'11 • PAC-T-160
unit fan motor is
CH1 20S SM1 SM2 abnormal.
(Refer to page 186)
LED2(Red) check:
1~5 time flash (Refer to page 121)
FDC100,125,140VS
●Outdoor unit check points Resistance check: Capacitor check:
Check items with the *mark when the power is ON. Resistance is measured DC Reactor contiuity Check for anomaly in appearance
(15Ω) check:55mΩ or less such as damage,swwll,etc.
TB TB5
Red L1i L1o 1 2 R5 R3 C1
L1
AC1 TB7 Red
+4
U
L2
White
L2i PWB3 L2o 52C DM
AC2 TB8
NOISE FILTER PWB -6 R4 C2 DIP-IPM White
V CM
Blue 3 4
L3 L3i L3o TB6 W
AC3 TB9 Black
CT1
Black
N Ni F1 No CNW2
T12 CN1 CN2-1
5 6
(E) 3
CNR
THo-R2
THo-R1
THo-D
THo-A
THo-S
1
LPT
-
THo-IPM
2
146 -
2
3
'11 • PAC-T-160
When the outdoor
LED2(Red) check: unit fan motor is
1~5 time flash (Refer to page 121) anomalous.
(Refer to page 186)
Models FDC200,250VS
●Outdoor unit check points
Cheek items with the *mark when the power is ON.
Resistance check:
Resistance is measured
Capacitor check:
(15Ω) DC Reactor contiuity Check for anomaly in appearance
check: 55mΩ or less such as damage, swelling, etc.
* Power supply check: Noise filter check:
Power transistor module check:
Measure the power supply L1,L2,L3 There should be continuity. R1 R2
Check for burnout, open circuit or damage
(It is normal if it is AC380-415V) There should be no shorts between phases.
(see page XXX for the check procedure).
L1
TB1
1 2
CT1
L1
Red
L1i L1o R5 R3 C1 P U Red
AC1 U
+4
L2
White
L2i PWB3 L2o DM V
White
V CM
AC2
NOISE FILTER PWB -6 R4 C2 W
Blue Brown
L3 L3i L3o G K N W
F 3 4 AC3
250V 10A CT1
Black P2
N Ni E No 52X P3
N2
1 PWB2 Fuse check:There should
3 be continuity.
-
INVERTER PWB
THo-IPM
THo-R1
THo-R2
If it is faulty, replace the
THo-D
THo-H
THo-A
THo-S
2
147 -
inverter board.
Fuse check:There should be
3 continuity. LTP
2 CNW CNIP CNTH CNU CNPS CNA2 LED1 LED2 F1 (250V 3A)
CNI1 CNI3 (Green) (Red)
CNW2
LED2 (Red) Check
PWB1 2 1 ~ 6 times flash
(Refer to page 121)
CONTROL PWB
CNW1
RAM CNE CNA1 CNO1
CNO2 PWB4
F1 (250V, 3A) CNFAN1 FMO1
DC FAN PWB
63H LED1 LED2
(Green) (Red)
CNH
CNEEV1 CNEEV2
'11 • PAC-T-160
When the outdoor unit
fan motor is anomalous:
(Refer to page 186)
CH1 20S 52X SM1 SM2
- 148 -
'11 • PAC-T-160
(2) Troubleshooting
It is normal.
(This unit is designed to
Is the start in the soft start mode
temperature differnce Does the by detecting the under dome
between return and supply air YES heat load increase after NO
temperature of compressor
10-20°C at installtion?
when it restart after power
cooling?
2. Error detection method reset.
YES
NO
Note:
- 149 -
'11 • PAC-T-160
It is normal.
(This unit is designed to
Is the start in the soft start mode
temperature differnce Does the by detecting the under
between return and supply air YES heat load increase after NO dome temperature of
10-30°C at installtion? compressor when it restart
2. Error detection method heating? after power reset.
YES
NO
It is necessary to replace to
Mistake in model selection. higher capacity one or to
Calculate heat load once again. install additional unit.
Is the compressor
operating? NO Compressor refrigerant oil
protection control at starting
“ WAIT ” is activated. For the contents
message is displayed (for 3 seconds) when of control, refer to the
performing cooling, defrosting and heating YES
operations from the remote
compressor start control of
controller. the microcomputer control
functions.
Compressor may be
stopped by the error
YES
NO
detection control.
For the contents of control,
3. Condition of Error displayed refer to anomalous stop
control by controlling
compressor rotation speed
of microcomputor control
functions.
Is the
Inspect the followings.
compressor rotation NO
speed low?
• Minor clogging of filter
• Minor clogging of heat
exchanger
YES • Minor short-circuit
• Minor shortage of
Check which control “Determination control of refrigerant amount
conpressor rotation speed” or “Protective control • Poor compression of
by controlling compressor rotation speed” is compressor
appropriate to this phenomenon.
4. Presumable cause Considering appropriate
operation control, check
• Faulty 4-way valve operation (1)
suspicious points.
Are the Inspect the followings for
• Poor compression of temperature conditions
compressor of room and outdoor air close YES reference.
• Faulty expansion valve to the rated • Major clogging of filter
conditions?
operation Note (1) Outdoor: 7°C, Indoor: 20°C
• Major clogging of heat
NO exchanger
• Major short-circuit
• Major shortage of
The unit is operating normally but is refrigerant amount
operating under the contol for protecting • Compressor protection ON
compressor or other respective parts.
• Indoor fan tap
• Valid setting of silent mode
Note:
- 150 -
'11 • PAC-T-160
Are OK the
insulation resistance and NO Replace compressor.*
coil resistance of
compressor?
YES
YES
Note:
- 151 -
'11 • PAC-T-160
If excessive noise/vibration
Does persists when sufficient
noise/vibration time has elapsed after
occur during or soon NO stopping the unit, it is
after stopping operation considered that the air-
of air-conditioner? conditioner is not the
source.
Note:
- 152 -
'11 • PAC-T-160
To next page
The noise/vibration occurs
Are hissing sounds YES when the refrigerant starts
heard at the startup or or stops flowing. It is
stopping? normal.
Note:
- 153 -
'11 • PAC-T-160
If insufficient cooling/
Adjustment heating problem happens
during commissioning
Does noise/vibration occur when the
due to anomalous operating
cooling/heating operation is in conditions at cooling/
2. Error detection method anomalous condition? heating, followings are
suspicious.
• Overcharge of refrigerant
• Insufficient charge of
refrigerant
• Intrusion of air, nitrogen,
etc.
In such occasion, it is
necessary to recover
refrigerant, vacuum-dry
and recharge refrigerant.
• Indoor/outdoor unit
• Cooling/heating/fan
mode
• Startup/stop/during
operation
• Operating condition
(Indoor/outdoor
temperatures, pressure)
• Time it occurred
• Operation data retained
by the remote controller
4. Presumable cause such as compressor
rotation speed, heat
exchanger temperature,
EEV opening degree, etc.
• Tone (If available, record
the noise)
• Any other anomalies
Note:
- 154 -
'11 • PAC-T-160
Is
AC220/240V
detected between 1 and
2 on the terminal block NO
of indoor
unit? Is
AC380/415V
for 3-phase unit detected
YES between 1, 2 and 3 on the teminal Defective outdoor control
block of outdoor unit or is AC220/240V NO PCB (Noise filter)
for 1-phase unit detected between
1 and 2 on the terminal
2. Error detection method block of outdoor
unit?
Misconnection or breakage
YES
Note(1) F200, F201 of connecting wires
(1)
Are fuses OK (2 pcs.)? NO
Is the
check of resistance between NO Defective indoor control or
YES �-� of CNW0 power PCB ➞ Replace.
OK?
YES
Is the
checked result
of resistance of FM, NO Replace FM, LM, etc.
LM, etc
OK?
YES Replace fuse.
3. Condition of Error displayed
Is DC5V (2)
detected between �-� NO Defective indoor power
of CNW2? PCB ➞ Replace.
Note (2) � for GND
YES
4. Presumable cause
• Misconnection or breakage of
connecting wires
• Blown fuse
• Faulty transformer
• Faulty indoor control or
power PCB
• Broken harness
• Faulty outdoor control PCB
(Noise filter)
Note:
- 155 -
'11 • PAC-T-160
NO
NO
Disconnect remote
controller wires.
Is DC15V or
higher detected between X-Y YES Replace remote controller.
of indoor unit terminal
block?
3. Condition of Error displayed
NO
Is DC180V
between �-� of NO Defective indoor power
CNW2? PCB➞Replace.
YES
Defective indoor control
PCB➞Replace.
4. Presumable cause
Note:
- 156 -
'11 • PAC-T-160
Are 2 units
of remote controller
connected?
YES
NO
⑴,
⑵
⑵
Set one remote controller Is it set
for “Master” and the other at the slave remote YES Set SW1 on remote
for “Slave” controller? controller PCB at “Master”.
2. Error detection method
Note (1) Use SW1 to set at
master or slave. Note (2)
“Slave” is displayed
Communication between indoor on the remote
unit and remote controller controller LCD.
is disabled for more than 30 NO
Does it
minutes after the power on. become normal?
NO
Do more than
one indoor units have the YES Set address again. (SW2 on
same address? indoor control PCB)
NO
3. Condition of Error displayed
NO
• Improper setting
• Surrounding environment
• Defective remote controller Does DM
communication circuit start 60 seconds later YES Defective indoor control
• Faulty indoor control PCB automatically. PCB➞Replace.
Note: If any error is detected 30 minutes after displaying “ WAIT ” on the remote controller, the display changes to
“INSPECT I/U”.
- 157 -
'11 • PAC-T-160
NO
Does remote
controller display YES Change remote controller
2. Error detection method “Slave”? setting to “Master”. (SW1
on remote controller PCB)
NO
Indoor unit cannot communicate
for more than 30 minutes after
the power on with remote Do more than
controller. one indoor units have the YES Change address. (SW2 on
same address? indoor control PCB)
NO
Is it set to
a slave indoor unit. YES Change to master. (SW5-1,
SW5-1, 2? 2 on indoor control PCB)
NO
Is there loose
or wrong connection at the termanal
of wiring between indoor and YES Correct
outdoor units?
3. Condition of Error displayed
NO
Same as above
Is the
grounding wire connected NO Correct
properly?
YES
Is approx.
DC20V detected between �-� NO Defective outdoor control
on the outdoor unit terminal
block? PCB➞Replace.
YES
Note: If any error is detected 30 minutes after displaying “ WAIT ” on the remote controller, the display changes to
“INSPECT I/U”.
- 158 -
'11 • PAC-T-160
To next page.
“ WAIT ” is still displayed on the
remote controller LED 2 minutes
after power ON. A
YES
Is the outdoor
unit control green LED NO
flashing?
Is the indoor
unit green LED flashing? NO Defective indoor control
PCB➞Replace.
YES
Is approx.
DC20V detected between �-� on
Defective connection wire
the indoor unit terminal NO (Broken)
block? Noise
YES Defective indoor control or
power PCB➞Replace.
4. Presumable cause
Note:
- 159 -
'11 • PAC-T-160
A
Shut down the breaker and back on
again the breaker 3 minutes later.
NO
Does it reset normally?
2. Error detection method
YES Normal (Malfunction by
(1) Note (1) 1-phase model only noise)
Isn’t the outdoor
unit controller power supply fuse NO
(30A) blown?
YES
B To next page
Is AC220/240V
detected at the noise filter NO Replace noise filter.
secondary side?
YES
Is DC5V
detected on the outdoor control PCB (Between NO Defective outdoor control
�-� of CNI1)? PCB➞Replace.
4. Presumable cause YES
Is DC5V detected
if the inverter power supply connector (CNI2) NO Defective inverter PCB
is disconnected?
➞Replace.
Note:
- 160 -
'11 • PAC-T-160
Isn’t there a
short-circuit between phases of the YES
noise filter?
Replace the
NO noise filter.
2. Error detection method
Isn’t there a
short-circuit between phases of inverter PCB
input terminals?
NO YES
Isn’t there
any crack, burning on the power
transistor module? YES
(1)
Replace the
inverter PCB.
NO
Note (1) For model 200, 250 replace also
the power transistor module.
Is the reactor OK? NO
Is the
electrolytic capacitor NO
OK?
• Blown fuse
• Faulty noise filter
• Faulty inverter PCB
• Faulty reactor
• Faulty electrolytic capacitor
Note:
- 161 -
'11 • PAC-T-160
Is DC10V or
higher detected at remote controller connection YES Defective remote controller
terminals?
NO
Are wires
connected properly between the
indoor/outdoor units?
YES Defective connecting wire.
Defective remote controller
wire (Short-circuit, etc.)
NO
4. Presumable cause
Note:
- 162 -
'11 • PAC-T-160
NO
NO
Defective remote controller
Note (2) Does the remote controller still display “ WAIT ” even ➞ Replace.
after 3 minutes?
Same as above
4. Presumable cause
• Defective communication
circuit between remote
controller-indoor unit
• Noise
• Defective remote controller
• Faulty indoor control PCB
Note:If the indoor unit cannot communicate normally with the remote controller for 180 seconds, the indoor unit PCB starts to
reset automatically.
- 163 -
'11 • PAC-T-160
YES
2. Error detection method Note (2) Check for faulty connection or breakage of
Is the signal wires between indoor-outdoor units.
When normal communication connection of signal
NO Repair signal wires.
between indoor and outdoor wires between indoor-outdoor
units OK?
unit is interrupted for more than
2 minutes. YES
Power reset
Note: P ressing the pump-down switch cancels communications between indoor and outdoor unit so that “communication
error-E5” is displayed on indoor unit and remote controller, but it is normal.
- 164 -
'11 • PAC-T-160
Is the
connection of indoor heat
exchanger temperature thermistor NO Correct. ➞ Insert connector
connector OK? securely.
YES
(Shot circuit)
0 10 20 30 40 50
4. Presumable cause Temperature (°C)
Note:
- 165 -
'11 • PAC-T-160
Is the
connection of return
air temperature thermistor NO Correct. ➞ Connect
connector OK? connector.
YES
5kΩ at 25°C
5
4. Presumable cause
(Shot circuit)
0 10 20 30 40 50
• Defective return air
temperature thermistor Temperature (°C)
connector
• Defective return air
temperature thermistor
• Faulty indoor control PCB
Note:
- 166 -
'11 • PAC-T-160
YES Wash.
YES
Is the unit
operating in the state of NO Check refrigerant system.
heating overload?
3. Condition of Error displayed
Note: During heating operation; After starting compressor, compressor rotation speed is decreased by detecting indoor heat
exchanger temperature (Thi-R) in order to control high pressure.
- 167 -
'11 • PAC-T-160
Same as above
4. Presumable cause
Note:
- 168 -
'11 • PAC-T-160
Is it
OK the unit
address setting for master NO Correct unit address setting.
and slave indoor
units?
YES
Isn’t
the remote
controller wiring between YES Correct wiring.
2. Error detection method indoor units
defective?
Note (1) Set dip switches SW5-1 and SW5-2 as shown in the following table.
(Factory default setting – “Master”)
3. Condition of Error displayed
Indoor unit
Same as above Master Slave-a Slave-b Slave-c
Dip SW5-1 OFF OFF ON ON
switch SW5-2 OFF ON OFF ON
4. Presumable cause
Note:
- 169 -
'11 • PAC-T-160
Does any
foreign material
intervene in rotational area YES Remove foreign material.
of fan propeller?
NO
Is DC280V (1)
detected between - (-) of NO
fan motor connector
CNM (CNU)?
4. Presumable cause
Note:
- 170 -
'11 • PAC-T-160
E19 occurs
when the power ON
Same as above
4. Presumable cause
Note:
- 171 -
'11 • PAC-T-160
Does any
foreign matter intervene YES Remove foreign material.
in rotational area of fan
propeller?
NO
Is DC280V (1)
detected between �-� of NO
fan motor connector
CNM?
4. Presumable cause
Note:
- 172 -
'11 • PAC-T-160
Note: A
fter 10 seconds has passed since remote controller thermistor was switched from valid to invalid, E28 will not be displayed even if the
thermistor harness is disconnected. At same time the thermistor, which is effective, is switched from remote controller thermistor to indoor return
air temperature thermistor. Even though the remote controller thermistor is set to be Effective, the return air temperature displayed on remote
controller for checking still shows the value detected by indoor return air temperature thermistor, not by remote controller temperature thermistor.
- 173 -
'11 • PAC-T-160
YES
Is
the temperature
(measured actually) at NO Defective outdoor control
3. Condition of Error displayed detection of error PCB➞Replace.
correct?
4. Presumable cause
Note:
- 174 -
'11 • PAC-T-160
YES
Is the
discharge pipe
2. Error detection method temperature error persisted
during cooling
YES Insufficient refrigerant
operation?
amount : Recharge
refrigerant by weighing
For the error detection method, proper amount on a scale.
refer to the protective control by
controlling compressor rotation NO
speed and cooling high pressure
protective control of micro
computer control function for
corresponding models. Is the
discharge pipe temperature NO Control operation check *
control normal?
YES
Is the
temperature (measured
actually) at detection of NO Defective outdoor control
3. Condition of Error displayed error correct? PCB➞Replace.
Note:
- 175 -
'11 • PAC-T-160
Is the
outdoor heat
exchanger temperature
thermistor connector NO Correct connector.
connected
properly?
YES
2. Error detection method
For the characteristics of outdoor heat exchanger
Detection of anomalously low temperature thermistor, see the following graph.
temperature (resistance) on Are the
characteristics of
the outdoor heat exchanger outdoor heat exchanger
temperature thermistor temperature
NO Defective outdoor heat
thermistor exchanger temperature
OK? thermistor➞Replace.
(Shot circuit)
0 10 20 30 40 50
4. Presumable cause Temperature (°C)
Note:
- 176 -
'11 • PAC-T-160
Is
the outdoor air
temperature thermistor connector NO Correct connector.
connected properly?
YES
For the characteristics of outdoor air
Is the temperature thermistor, see the following graph.
Defective outdoor air
2. Error detection method characteristics of the
outdoor air temperature NO temperature thermistor➞
thermistor Replace.
Detection of anomalously OK?
low temperature (resistance)
on outdoor air temperature YES Defective outdoor control
thermistor PCB➞Replace.
(Defective outdoor air
temperature thermistor
input circuit)
30
4. Presumable cause 25
(Shot circuit) 0
0 10 20 30 40 50
Temperature (°C)
Note:
- 177 -
'11 • PAC-T-160
Is the
discharge pipe
temperature thermistor NO Correct connector.
connector connected
properly?
YES
180
温度センサ抵抗
温度センサ抵抗
Note:
– 178 –
'11 • PAC-T-160
Is the
service valve fully NO Open service valve.
opened?
Compressor ON
On operation YES
of 63H1
Note: In the protective control range for compressor startup (initial startup after power ON), even if 63H1 is activated only once
(63H1turns OFF), immediately the error is displayed.
– 179 –
'11 • PAC-T-160
(1) (2)
㩷 Is DC15V detected
between � and � on YES Replace INV PCB
CNI3? If not solved, replace
Noise filter PCB as well
NO Note (1): Under annomalous conditions,
the voltage becomes less than 14VDC.
4. Presumable cause
Note : The "Single phase models" of inverter PAC have no function to output the signal for the power transistor overheat.
However since the power source for the power transistor and the outdoor fan motor is in the same line,
when the anomaly of the outdoor fan motor occurs, E41 is displayed.
– 180 –
'11 • PAC-T-160
YES
Can error be YES OK
reset?
Is the
installation space of outdoor NO NO Replace power transistor
unit enough ?
Correct it
2. Error detection method YES
Are the
characteristics of power transitor NO
temperature thermistor
OK?
Replace the power tansistor
temperature thermistor
YES
Is the
3. Condition of Error displayed connection of power transitor
NO
temperature thermistor
connector OK?
Anomalously high temperature Connect it securely
of power transistor is detected 5 YES
times within 60 minutes.
Is the
fixing of power transistor
to radiator fin OK? Fix it properly
Application of radiating silicone
Fixed screws
YES
4. Presumable cause NO
* Characteristics of power transistor temperature thermistor
OK
(Broken wire)
Temperature-resistance characteristics
Temperature thermistor resistance (kΩ)
Note :
– 181 –
'11 • PAC-T-160
Is the
Power supply NO Check power supply.
voltage OK?
YES
4. Presumable cause
Note:
– 182 –
'11 • PAC-T-160
Is the
checked result of power NO • FDC71 ~ 250
transistor module
OK? Defective inverter PCB➞
Replace.
*For model 200, 250
2. Error detection method YES
replace also the power
transistor module.
In order to prevent from • Is the space for installation of indoor and/or outdoor unit enough?
• Is there any short circuit of air on indoor and/or outdoor unit?
overcurrent of inverter, • At cooling, does the outdoor fan motor run?
if the current exceeds the Are the service valves fully opened?
specifications, it makes the Is the filter clogged?
compressor stopping. • At heating, does the indoor fan motor run?
Are the service valves fully opened?
Is the filter clogged?
• Is there any liquid flooding?
Is the superheat within normal range?
Is the low pressure sensor and suction pipe temperature
thermistor normal?
• Is there any anoumalous sound on the compressor?
YES
After
resetting power for
3. Condition of Error displayed several times does it
become normal?
NO • FDC71 ~ 250
Defective inverter PCB➞
Replace.
• If the output current of inveter *For model 200, 250
exceeds the specifications, YES replace also the power
it makes the compressor transistor module.
stopping.
• After 3-minute delay, the Temporary noise may cause of anomaly.
compressor restarts, but if this If noise source can be found, take countermeasure.
amonaly occurs 4 times within
30 minute after the intial
detection. (Model FDC71 –
250 only)
4. Presumable cause
Note:
– 183 –
'11 • PAC-T-160
Is the
connection of connectors between NO
the inverter PCB and the outdoor Correct the connection
control
PCB OK?
YES
Are both (1)
NO
2. Error detection method switches of JSW10,11(SW1, 2)
on the inverter PCB
Set JSW10, 11(SW1, 2)
set correctly? correctly
When the communication YES
Note (1): Figure in ( ) are for model 200, 250
between inverter PCB and
outdoor control PCB is not
established. Is LED NO For 3-phase models
on the inverter PCB No power is supplied to
flashing ? inverter PCB
(2) For single-phase models
Check the power supply
Note (2): For model 200 & voltage and correct it
250, check during test run
operation. Note (3): If not solved, find the cause
How to check by checking following points.
voltage at CN13
YES ЈSee E51 • Fan motor anomaly
(3)
• 52X anomaly (model 200, 250 only)
YES Is 15VDC
detected between � • Broken cement resistor (15Ω)
and � on CNI3?
(4)
(model 200, 250 only)
4. Presumable cause NO
Does it become normal? Replace inverter PCB
• Inverter PCB anomaly
• Anomalous connection of YES
connector between OK
inverter PCB and outdoor
control PCB
• Outdoor control PCB anomaly
• Outdoor fan motor anomaly
Note:
– 184 –
'11 • PAC-T-160
Is the
Power supply NO Check power supply.
voltage OK?
YES
4. Presumable cause
Note:
– 185 –
'11 • PAC-T-160
NO
Does the
2. Error detection method fan rotate smoothly when turned NO Replace fan motor.
by hand? If resistance between ➀
Detected by rotation speed of (Vm):red -➃(GND):blue is
outdoor fan motor detected 1kΩ or lower, it is
faulty.
YES
Is DC280V
detected between (CNFAN �
(red)-� (blue)) of fan motor NO
connector?
(1)
Is F2 fuse blown? NO Check power supply
YES voltage.
3. Condition of Error displayed Power supply reset YES Replace faulty fan motor
Note (1) Fuse of model 71 is F3. and control PCB.
When actual rotation speed
of outdoor fan motor (FMo1)
drops to 100min-1 or lower
for 30 minutes continuously, Is normal state restored? NO Replace fan motor (If
the compressor and the anomaly persists after
outdoor fan motor stop. After replacing fan motor, replace
3-minutes delay, it starts control PCB.)
again automatically, but if this
anomaly occurs 5 times within
60 minutes after the initial YES Malfunction by temporary
detection. noise
4. Presumable cause
Note: When E48 error occurs, in almost cases F2 fuse (4A) [Model 71:F3 fuse (2A)]on the outdoor control PCB is blown. There are a lot of cases
that fuse is blown and E48 occurs due to defective fan motor. And even though only the outdoor control PCB ( or fuse) is replaced,, another
trouble (*1) could occur. Therefore when fuse is blown, check whether the fan motor is OK or not.
After confirming the fan motor normal, check by power ON. (Don't power ON without confirming the fan motor normal.)
*1 The error which does not seem to relate E48 may occur like as “ WAIT ”, Stay OFF of LED on outdoor control PCB, inverter
communication error (E45) and etc.
– 186 –
'11 • PAC-T-160
Is the low
pressure sensor connection OK NO Correct.
2. Error detection method (at PCB side)?
YES
Detected by low pressure drop
and suction superheat
Check the low pressure value during
following state from the remote controller
� Compressor is stopping
� Compressor is operating
Note: * Connect the gauge manifold to the service valve check joint during cooling, or connect it to the check joint at internal
piping of outdoor unit during heating.
– 187 –
'11 • PAC-T-160
YES
Are the
connections of low
pressure sensor and suction pipe NO Correct.
temprerature thermister
3. Condition of Error displayed connector OK?
YES
Are the
characteristics of
low pressure sensor, suction NO Defective low pressure
pipe temperature sensor, suction pipe
thermistor OK?
temperature thermistor➞
Replace.
YES
Is the low
pressure normal during NO Charge refrigerant.
operation?
4. Presumable cause
Note:
– 188 –
'11 • PAC-T-160
Model FDC71-140VN
For FDC71
� �
Same as above
Remove the coating
� 㧦1 5 V (+)
� 㧦G N D (- )
4. Presumable cause �
Note:
– 189 –
'11 • PAC-T-160
Are the
characteristics of suction pipe
temperature thermistor OK?
NO Defective suction pipe
temperature thermistor➞
Replace.
4. Presumable cause
5kΩ at 25°C
5
• Defective suction pipe
temperature thermistor
connection
• Defective suction pipe (Shot circuit)
temperature thermistor 0 10 20 30 40 50
• Defective outdoor control Temperature (°C)
PCB
Note:
– 190 –
'11 • PAC-T-160
Are the
connection of low pressure
sensor connectors (at sensor side NO Correct low pressure sensor
and PCB side) OK? connector connection.
YES
Are the
2. Error detection method pressure (actual
measurement) matched with the value Is refrigerant amount
YES
indicated on the remote charged properly?
controller?
When anomalous voltage Is there any anomaly on the
(pressure) is detected refrigeration circuit?
NO
Is
3. Condition of Error displayed normal condition NO Defective outdoor control
restored? PCB➞Replace.
If the pressure sensor detects 0V (Defective low pressure
or lower and 3.49V or higher for sensor input circuit)
5 seconds continuously within YES OK
2 minutes to 2 minutes 20
seconds after compressor ON,
the compressor stops. When
the compressor is restarted
automatically after 3-minuts
delay, if this anomaly occurs 3
times within 40 minutes
4. Presumable cause
Note:
– 191 –
'11 • PAC-T-160
Is the
connection of
underneath temperature NO Correct connection of
thermistor connector underneath temperature
OK?
thermistor connector.
YES
Are the
2. Error detection method characteristics of
underneath temperature NO Defective underneath
thermistor OK? temperature thermistor➞
When anoumalous low Replace.
temperature (resistance) is
detected by the underneath
temperature thermistor
Temperature-resistance characteristics
15
3. Condition of Error displayed
Temperature thermistor resistance (kΩ)
4. Presumable cause
• Defective underneath
temperature thermistor
connection
• Defective underneath
temperature thermistor
• Defective outdoor control
PCB
Note:
– 192 –
'11 • PAC-T-160
Is the
service valve fully NO Open fully.
opened?
YES
Are the
connections of indoor
heat exchanger and/or return air NO Correct indoor heat
2. Error detection method temperature thermistor
exchanger, return air
connectors OK?
temperature thermistor
• Judge insufficient refrigerant connector connections.
amount by detecting the YES
temperature differnce between
indoor heat exchanger (ThI-R) Are the
and indoor return air (ThI-A). characteristics of indoor heat
• It detects at initial startup in exchanger and/or return air NO Defective indoor heat
cooling or dehumidifying temperature thermistor exchanger, return air
OK? temperature thermistor ➞
mode after power ON.
(In case of model 71 it cannot Replace.
detect) YES
Is the low
pressure during operation NO Charge refrigerant.
normal?
10
Note: I nsufficient refrigerant amount preventive control makes compressor stopped, if it judges insufficient refrigerant amount by detecting the
temperature difference between indoor heat exchanger (ThI-R) and return air temperature (ThI-A) for 1 minute after compressor ON in
cooling or dehumidifying mode and for 9 minutes after compressor ON in heating mode. [ in cooling mode: (ThI-A)-(ThI-R)>4degC, in
heating mode: (ThI-R)-(ThI-A)<4degC]
– 193 –
'11 • PAC-T-160
Is
power supply voltage NO Check the power supply
For OK? voltage and correct it
3 phase models YES For Single phase models
Note (1): How to check voltage
2. Error detection method (1)
at CN13 ЈSee E51
Is DC15V
detected between � and YES Replace inverter PCB
When it fails to change over to �on CNI3? (2) If not solved yet, replace
the operation for rotor position Noise filter PCB
detection of compressor motor NO Note (2): Under anomalous conditions,
(If the compressor speed cannot the voltage becomes less than 14VDC
increase 11Hz or higher) Is DC15V (2)
detected after disconnecting YES Replace outdoorfan motor
outdoor fan motor?
NO
Replace control PCB
Can compressor
startup?
YES OK
NO
3. Condition of Error displayed
YES
Is the
insulation resistance
and coil resistance of NO Replace compressor
compressor OK?
YES
Is the
power transistor NO (inverter PCB anomaly) Replace inverter PCB
module OK?
* For model 200 and 250,
2. Error detection method replace power transistor
YES as well
After power OFF, turn
SW10-4 of inverter PCB
Is it model 200 or 250? NO ON and connect the
inverter checker.
Then power ON again
YES
Is the
inverter output OK ?
(Check by inverter NO Replace inverter PCB
checker) * For moel 200 and 250,
Note: Several times restarting
may recover it, because liquid replace power transistor
YES refrigerant migrated in the as well
compressor could be discharged
Try to restart several times from the compressor
4. Presumable cause
Note:
– 195 –
'11 • PAC-T-160
Is the
power supply voltage NO Check and correct the
OK? power supply voltage
YES
Does the
compressor run without NO Correct it based on the
occurrence of troubleshooting of E42
E42?
3. Condition of Error displayed
Is the
output from inverter NO efective inverter PCB➞
D
If it fails again to detect the checker OK?
rotor position after shifting to Replace.
the compressor rotor position replace also the power
detection operation, the transistor module.
compressor stops. YES
When it is restart
automatically after 3 minutes,
it is detected 4 times within 15
minutes. Is the noise
or vibration of compressor NO Replace compressor.
normal?
– 196 –
'11 • PAC-T-160
WARNING
(1) Drilling of the ceiling (ceiling opening)
Fasten the wiring to the terminal securely and hold the cable securely so as not to
apply unexpected stress on the terminal. Drill the receiver installation holes with the following dimensions at the ceiling position where
Loose connection or hold will cause abnormal heat generation or fire. wires can be connected.
Make sure the power supply is turned off when electric wiring work.
Otherwise, electric shock, malfunction and improper running may occur. (A) Direct installation onto the ceiling with
88mm(H)×101mm(W)
wood screws.
CAUTION (B) Installation with enclosed bracket. 108mm(H)×108mm(W)
DO NOT install the wireless kit at the following places in order to avoid malfunction.
(1)Places exposed to direct sunlight (8)Places where the receiver is influenced by
(2)Places near heat devices the fluorescent lamp (especially in verter
(3)High humidity places type) or sunlight.
(2) Wiring connection of receiver
(4)Hot surface or cold surface enough to (9)Places where the receiver is affected by Indoor unit terminal block
generate condensation infrared rays of any other communication
(5)Places exposed to oil mist or steam directly devices. Caution
(6)Uneven surface (10)Places where some object may obstruct the
Do not connect the wiring to the
(7)Places affected by the direct airflow of the communication with the remote controller
AC unit. power source of the terminal block.
If it is connected, printed board will (non-polarized) Wiring
DO NOT leave the wireless kit without the cover.
be damaged.
In case the cover needs to be detached, protect the receiver with a packaging box or
bag in order to keep it away from water and dust. Reciever
Attention
(3) Installation of the receiver
• Instruct the customer how to operate it correctly referring to the instruction manual.
• User’s manual of a wireless remote controller is attached to a indoor unit or a outside unit. Remove the screw on the side of the receiver and sprit it into the upper case and lower
• Read this together with a manual attached to this kit. case.Install the receiver with one of the two installation methods (A) or (B) shown below.
① Accessories Please make sure that you have all of the following accessories. (A) Direct installation onto the ceiling with screws
Use this installation method when the ceiling is wooden, and there is no problem for
1 Remote controller
1 Receiver 1 1
holder strength in installing directly with wood screws.
2 Screw for holder 2 Wall opening Lower case
2 Wiring (3m) 1 Installation hole
AAA dry cell Hole
3 battery (R03) 2 Opening
3 Parts set (A) 1
Wiring
1 Screw for receiver 2 Hole
4 Parts set (B) 1
2 Fixing band 1
5 Parts set (C) 1 Lower case
3 Clamp 5
6 Wireless remote 1 Installation hole
controller 4 Screw for clamp 5
7 User’s manual 1 Wiring
1 Receiver installation
1
bracket
2 Screw for the bracket 2 Upper case
3 Installation fitting 2
Protrusion
Receivable area Installation fitting (right side of center)
of the signal
Hole Bracket
(ø10)
Hole (ø10)
Floor
[Bottom]
② Correlation between illuminance at the receiver and reachable area of the signal in a plain Bracket
view. Protrusion (left side of center)
condition Correlation between the reachable area of the signal and illuminance at
the receiver when the remote controller is operated at 1.1m high under Protrusion
(right side of center)
the condition of ceiling height of 2.5m. Lower case
[Top] Installation hole
When the illuminance becomes double, the area is narrowed down to two third. Hole
③Pass the wiring from the rear side through the hole on the lower case.
or
④Fit the lower case onto the bracket, and fix the lower case to the bracket using the
les
30° °
or less 30r less
s
Wireless
remote controller
o two installation holes shown above. (The other four holes are not used.)
Floor
5m or less 60° or less ⑤Follow step ① to ⑥ for (A) to complete the installation.
- 197 -
'11 • PAC-T-160
④ Remotecontroller (B) Control plural indoor units with one remote controller
Up to 16 indoor units can be connected.
Installation of the controller holder ①Connect the XY terminal with 2-core wire.
Restrictions on the thickness and length of wire
As for the size, refer to the following note. (Maximun total extension 600m.)
Caution ②For Packaged air conditioner series, set the Standard Within 100m x 0.3 mm2
Within 200m x 0.5 mm2
DO NOT install it on the following places indoor unit address with SW2 on the indoor Within 300m x 0.75mm2
Holder for
1) Places exposed to direct sunlight remote unit PCB from [0] to [F] so as not to duplicate. Within 400m x 1.25mm2
controller Within 600m x 2.0 mm2
2) Places near heat devices
3) High humidity places
4) Hot surface or cold surface enough to generate Terminal block
condensation
5) Places exposed to oil mist or steam directly Wood screw
6) Uneven surface Indoor unit (1) Indoor unit (2) Indoor unit (16)
Address (0) Address (1) Address (F)
KIT
Installation tips for the remote controller holder
• Adjust and keep the holder upright.
• Tighten the screw to the end to avoid scratching
the remote controller. Remote controller
• DO NOT attach the holder to plaster wall.
How to insert batteries ③For VRF series, set the indoor unit address with SW1, SW2 and SW5-2 on the
① Detach the back lid. indoor unit PCB from [000] to [127] so as not to duplicate.
② Insert the batteries. (two AAA batteries)
③ Reattach the back lid. (C) Master/Slave setting when using plural remote controller
Up to two receivers can be installed in one indoor unit group.
Setting to
avoid mixed
communication. SW1-1
(Customized signal
SW1-4 setting to avoid
(Auto restart) mixed communication)
SW1-2
(Receiver master/slave
setting)
Customized signal setting to ON : Nor mal
SW1-1
avoid mixed communication OFF : Remote
ON : Master
SW1-2 Receiver master/slave setting
OFF : Slave
ON : Valid
SW1-4 Auto restart
OFF : Invalid
: Default setting
- 198 -
'11 • PAC-T-160
Notes :
Following functions of Type-D indoor unit series are not able to be set with this simple wired remote control (RCH-E3).
1. Individual flap control system (for FDT/FDTC)
2. Flap control system (for FDEN)
3. 4-fan speed setting (P-Hi/Hi/Me/Lo) → 3-fan speed setting (Hi/Me/Lo) (for FDT/FDTC/FDUM/FDEN)
MODE button
Use to select the mode.
FAN SPEED button
Button to set the fan speed
TEMP button
Use to raise the setting temperature.
Operation mode display Indoor unit No. display VRF series outdoor unit No. display
: Cooling
: Drying
: Fan operation
: Heating
: Auto mode Fan speed display
Wiring
83.5
117
16
33.5
In case of exposing wiring The remote controller wiring can be extracted from the upper center.
After the thin part in the upper side of the remote controller upper
case is scraped with a nipper or knife, remove burr with a file.
0.3mm2×2 cores. Thin part
Upper case
LCD
Sheath
120
Upper case
XY
X, Y Terminal block
70 wiring
Attach M3 screw
with washer The peeling length of each wiring is as follows:
X wiring : 160mm
Y wiring : 150mm Sheath
Peeling length
Wiring specifications
(1) Wiring of remote controller should use 0.3mm2 × 2 core wires or cables. (on-site configuration)
(2) Maximum prolongation of remote controller wiring is 600m.
If the prolongation is over 100m, change to the size below.
But, the wiring in the remote controller case should be 0.3mm2 (recommended) to 0.5mm2. Unit:mm
Change the wire size outside of the case according to wire connecting. Waterproof treatment is
necessary at the wire
connecting section. Be careful about contact failure.
- 200 -
'11 • PAC-T-160
WARNING ⑴
● Fasten the wiring to the terminal securely and hold the cable securely so as not to apply Screw
unexpected stress on the terminal. ⑵ Remove the upper case of the remote controller.
Loose connection or hold will cause abnormal heat generation or fire. Insert a flat-blade screwdriver to a concave portion of
● Make sure the power supply is turned off when electric wiring work. the bottom surface of the remote control and slightly
Otherwise, electric shock, malfunction and improper running may occur. twist it, and the case is removed.
Upper case
CAUTION
⑵
● DO NOT install the remote controller at the following places in order to avoid malfunction.
(1) Places exposed to direct sunlight (4) Hot surface or cold surface enough to generate condensation
(2) Places near heat devices (5) Places exposed to oil mist or steam directly ⑶ The remote controller cord can be extracted from the
(3) High humidity places (6) Uneven surface upper center.
● DO NOT leave the remote controller without the upper case. After the thin part in the upper side of the remote
Thin part
In case the upper cace needs to be detached, protect the remote controller with a packaging box controller upper case is scraped with a nipper or knife,
or bag in order to keep it away from water and dust. remove burr with a file.
1. Installation procedure
Lower case
In case of embedding cord
⑴ Make certain to remove the screw on the bottom Wall
surface
surface of the remote controller.
⑸ Connect the remote controller cord to the terminal block. ⑷
6. Function setting
- 201 - 7. How to set functions by
Each function of the remote controller and the indoor unit is automatically set to the initial setting, which is the standard use, on the occasion of connecting the remote controller with the indoor unit. In the case of the standard ⑴ Stop air-conditioning, and simult
use, the setting change is unnecessary. However, if you whould like to change the initial setting “ ○ ”, change the setting for only the item of the function number. Record the setting contents and stored them. at the same time for over three s
The function number “01” blinks in
'11 • PAC-T-160
3. Master/ slave setting when more than one remote controller are used
the ⑴ Up to two remote controllers can be connected to one unit (or one group) of indoor unit.
Switch Setting Function detail
indoor unit ON Slave remote controller
SW1-1
OFF Master remote controller
X○
○ Y
⑴ Remote controller line (nonpolarity)
Screw
○X○ Y ○X○ Y
Remote controller “Master” Remote controller “Slave”
SW1-1 “OFF” SW1-1 “ON”
⑵ Set the switch SW1-1 of the slave remote controller is “Slave” (ON). The factory default is set as “Master” (OFF).
pper case (Note) • The remote controller thermistor enabled setting can be set only to the master remote controller.
• Install the master remote controller at the position to detect room temperature.
⑵ • The air conditioner operation follows the last operation of the remote controller in case of the
master / slave setting.
SW1
ON
OFF
1 2 3 4 5 6 7 8 9 0
6. Function setting
Each function of the remote controller and the indoor unit is automatically set to the initial setting, which is the standard use, on the occasion of connecting the remote controller with the indoor unit. In the case of the standard ⑴
use, the setting change is unnecessary. However, if you whould like to change the initial setting “ ○ ”, change the setting for only the item of the function number. Record the setting contents and stored them.
⑴ Function setting item by switch on PCB SW1
ON
Switch No. Setting Setting detail Initial setting Switch No. Setting Setting detail Initial setting OFF
ON Slave remote controller ON “TEMP” button prohibited 1 2 3 4 5 6 7 8 9 0
SW1-1 SW1-5
OFF Master remote controller ○ OFF “TEMP” button enabled ○
ON Remote controller thermistor enabled ON “FAN SPEED” button prohibited ※ Note 1
SW1-2 SW1-6
OFF Remote controller thermistor disabled ○ OFF “FAN SPEED” button enabled ※ Note 1
ON “MODE” button prohibited ON Auto restart function enabled • As for the slave remote controller, function setting is impossible
SW1-3 SW1-7
OFF “MODE” button enabled ○ OFF Auto restart function disabled ○ other than SW1-1. ⑵
SW1-4
ON “ON/OFF” button prohibited
SW1-8, 9, 0
ON
Not used • In the indoor unit with only one fan speed, “FAN SPEED” button cannot
OFF “ON/OFF” button enabled ○ OFF be enabled.
⑶
⑵ Function setting item by button operation
Classification Function No. Function Setting No. Setting Initial setting Remarks
01 Fan speed: three steps ※ Note 1 The fan speed is three steps, - - . ⑷
02 Fan speed: two steps (Hi-Lo) ※ Note 1 The fan speed is two steps, - .
01 Indoor unit fan speed
03 Fan speed: two steps (Hi-Me) The fan speed is two steps, - .
04 Fan: one step ※ Note 1 The fan speed is fixed to one step.
01 Remote controller thermistor: no offset ○
02 Remote controller thermistor: +3.0 °C At the time of cooling, in the case of remote controller thermistor enabled, offset temperature at +3.0°C.
Remote controller 03 Remote controller thermistor: +2.0 °C At the time of cooling, in the case of remote controller thermistor enabled, offset temperature at +2.0°C.
03 thermistor at the time 04 Remote controller thermistor: +1.0 °C At the time of cooling, in the case of remote controller thermistor enabled, offset temperature at +1.0°C.
of cooling 05 Remote controller thermistor: -1.0 °C At the time of cooling, in the case of remote controller thermistor enabled, offset temperature at -1.0°C.
06 Remote controller thermistor: -2.0 °C At the time of cooling, in the case of remote controller thermistor enabled, offset temperature at -2.0°C.
Remote 07 Remote controller thermistor: -3.0 °C At the time of cooling, in the case of remote controller thermistor enabled, offsett temperature at -3.0°C.
controller 01 Remote controller thermistor: no offset ○
function 02 Remote controller thermistor: +3.0 °C At the time of heating, in the case of remote controller thermistor enabled, offset temperature at +3.0°C.
Remote controller 03 Remote controller thermistor: +2.0 °C At the time of heating, in the case of remote controller thermistor enabled, offset temperature at +2.0°C.
04 thermistor at the time 04 Remote controller thermistor: +1.0 °C At the time of heating, in the case of remote controller thermistor enabled, offset temperature at +1.0°C.
of heating 05 Remote controller thermistor: -1.0 °C At the time of heating, in the case of remote controller thermistor enabled, offset temperature at -1.0°C.
06 Remote controller thermistor: -2.0 °C At the time of heating, in the case of remote controller thermistor enabled, offset temperature at -2.0°C.
07 Remote controller thermistor: -3.0 °C At the time of heating, in the case of remote controller thermistor enabled, offset temperature at -3.0°C.
01 No ventilator connection ○
05 Ventilation setting In case of Single split series, by connecting ventilation device to CNT of the indoor printed circuit board (in case of VRF series, by
02 Ventilator links air-conditioner connecting it to CND of the indoor printed circuit board), the operation of ventilation device is linked with the operation of indoor unit.
“Auto” operation 01 “Auto” operation enabled ※ Note 1
06
setting 02 “Auto” operation disabled ※ Note 1 “Auto” operation disabled
Operation permission/ 01 Disabled ○
07
prohibition 02 Enabled Operation permission/prohibition controller is enabled.
01 Level input ○
08 External input
02 Pulse input
01 Standard Note2
09 Fan speed setting 02 High speed 1 Note2
03 High speed 2 Note2
01 No remaining operation ○ After cooling stopped, no fan remaining operation
Fan remaining 02 0.5 hours After cooling stopped, fan remaining operation for 0.5 hours
10 operation at the time
of cooling 03 1 hour After cooling stopped, fan remaining operation for 1 hour
04 6 hours After cooling stopped, fan remaining operation for 6 hours
01 No remaining operation ○ After heating stopped or after heating thermostat OFF, no fan remaining operation
Fan remaining
02 0.5 hours After heating stopped or after heating thermostat OFF, fan remaining operation for 0.5 hours
11 operation at the time
of heating 03 2 hours After heating stopped or after heating thermostat OFF, fan remaining operation for 2 hours
Indoor unit 04 6 hours After heating stopped or after heating thermostat OFF, fan remaining operation for 6 hours
01 No offset ○
function Setting temperature
02 Setting temperature offset + 3.0 °C The setting temperature at the time of heating is offset by +3.0 °C.
12 offset at the time of
03 Setting temperature offset + 2.0 °C The setting temperature at the time of heating is offset by +2.0 °C.
heating
04 Setting temperature offset + 1.0 °C The setting temperature at the time of heating is offset by +1.0 °C.
01 Low fan speed ※ Note 1 At the time of heating thermostat OFF, operate with low fan speed.
02 Setting fan speed At the time of heating thermostat OFF, operate with the setting fan speed.
13 Heating fan controller 03 Intermittent operation ※ Note 1 At the time of heatingr thermostat OFF, intermittently operate.
04 Fan off At the time of heating thermostat OFF, a fan will be stopped.
When the remote controller thermistor is enabled, automatically set to “Fan off”. Do not set at the time of the indoor unit thermistor.
01 No offset ○
02 Return air temperature offset +2.0 °C Offset the return air temperature of the indoor unit by +2.0 °C.
03 Return air temperature offset +1.5 °C Offset the return air temperature of the indoor unit by +1.5 °C.
Return air temperature
14 04 Return air temperature offset +1.0 °C Offset the return air temperature of the indoor unit by +1.0 °C.
offset
05 Return air temperature offset -1.0 °C Offset the return air temperature of the indoor unit by -1.0 °C.
06 Return air temperature offset -1.5 °C Offset the return air temperature of the indoor unit by -1.5 °C.
07 Return air temperature offset -2.0 °C Offset the return air temperature of the indoor unit by -2.0 °C.
Note 1: The symbol “ ※ ” in the initial setting varies depending upon the indoor unit and the outdoor unit to be connected, and this is Note 2: Fan speed of “High speed” setting
automatically determined as follows: Indoor unit fan speed setting
Fan speed setting
Swith No. - - - -
Function Setting Product model
Function No. Standard Hi − Mid − Lo Hi − Lo Hi − Mid
“FAN SPEED” button prohibited Product model whose indoor fan speed is only one step High speed 1・2 UHi − Hi − Mid UHi − Mid UHi − Hi ⑸
“FAN SPEED”
SW1-6
button “FAN SPEED” button enabled
Product model whose indoor fan speed is two steps or three
Initial setting of some indoor unit is “High speed”.
steps
Fan speed: three steps Product model whose indoor unit fan speed is three steps Note 3: As for plural indoor unit, set indoor functions to each master and slave indoor unit.
Indoor unit fan Fan speed: two steps (Hi-Lo) Product model whose indoor unit fan speed is two steps
Remote controller function 01 But only master indoor unit is received the setting change of indoor unit function “07 Operation permission/
speed Fan speed: two steps (Hi-Me)
Fan: one step Product model whose indoor unit fan speed is only one step prohibition” and “08 External input”.
“Auto” operation “Auto” operation enabled Product model where “Auto” mode is selectable
Remote controller function 06
setting “Auto” operation disabled Product model without “Auto” mode
Heating fan Low fan speed Product model except FDUS
Indoor unit function 13
control Intermittent operation FDUS
- 203 -
PJZ012D069.indd 1
ct failure. “88” blinks on the temperature setting indicator. (blinking for approximately 2 to 10 seconds while
× 2 cores data is read) Then, the return air temperature is displayed. When AIR CON NO. is pressed, return
m2 × 2 cores to the indoor unit selection display (example, “U 000”).
m2 × 2 cores ⑷ Press ON/OFF button.
× 2 cores End. '11 • PAC-T-160
Function number
0
End button
⑷ [In the case of selecting the remote controller function (01-06)] [In the case of selecting the indoor unit function (07-14)]
① The current setting number of the selected function number blinks ① “88” blinks on the temperature setting indicators.
(Example) (blinking for approximately 2 to 10 seconds while data is read)
Function number: “01” (lighting) ↓
Setting number: “01” (blinking) After that, the current setting number of the selected function number blinks.
0°C.
(Example)
0°C.
0°C.
Function number Function number: “07” (lighting)
0°C. Setting number: “01” (blinking)
0°C.
Setting number Function number
0°C.
Setting number
Then, the screen goes back to the function number blinking b. Press TEMP△ or TEMP▽ button.
indication ⑴ , if the setting is sequentially conducted, continue Select the indoor unit No. to be set.
with the same procedures. If the setting is finished, proceed to ⑸ . If “U ALL” is selected, the same setting can be set to all units.
c. Press MODE button.
Decide the indoor unit No.
“88” blinks on the temperature setting indicators. (blinking for 2 to 10 seconds while data
is read)
When AIR CON NO. button is pressed, go back to the indoor unit selection display (for
example, “U 000” blinking).
-
Hi − Mid Then, the screen goes back to the function number blinking indication ⑴ , if the setting
UHi − Hi ⑸ Press ON/OFF button. is sequentially conducted, continue with the same procedures. If the setting is finished,
The setting is completed. proceed to ⑸ .
r unit.
・Even if ON/OFF button is pressed during setting, the setting is ended. However, any details where the setting has not been completed will be ineffective.
tion “07 Operation permission/
・The setting contents are stored in the controller, and even if the power failure occur, this will not be lost.
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2008/11/13 11:42:01
'11 • PAC-T-160
� Follow the instruction and installation manual for outdoor unit when � Follow the law or regulation of the country where it is installed.
installing the heater. � Do not alter the heater.
� This heater must be installed by authorized personnel. � Lay down the heater so that the edge of the sheet metal does not
� Turn off the power supply when the kit is installed. damage the heater.
Failure to follow the above will result in serious accident like electrical � Bending radius must be bigger than 25mm.
shock or fire. � Do not use the heater near flammable substances.
� Be sure to check the electrical insulation before use.
� Be sure to check the drain is not trapped by the heater.
AREAS TO BE APPLIED � Do not leave refrigerant oil on the base.
This kit is to be used in an area where the lowest temperature drops below
zero.
Caution: In case the heater is not applied on the unit which is installed in an Step 4
area mentioned above, it may be regarded as installation failure
and warranty may not be given. 4. Remove
<Note>
Components Heater Bracket Tapping screw Do not ro
fan blade
Plastic band with clip It may ca
Plastic band without clip
� Heater : 1pc
� Bracket : 4pcs
� Tapping screw : 4pcs
� Plastic band with clip : 2pcs
� Plastic band : 5pcs
Installation procedure
Step 1 Step 5
1. Remove the top panel of the outdoor unit 5. Lay dow
(11 pcs of tapping screws).
Step 2 Step 6
2. Remove the service panel 6. Put the
(4 pcs of tapping screws). and alig
of heat
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'11 • PAC-T-160
CZ012D007 Step 3
3. Remove the front panel
(11 pcs of tapping screws).
Pull the panel straightforward so that the panel
doesn’t touch the fan blade.
oes not
Step 4
4. Remove the fan blade if necessary.
<Note>
Do not rotate the axis of fan motor when removing the
fan blade.
It may cause malfunction of the fan motor.
Step 5 Heater
Heater
Step 6
End of Heater
End plate of Heat
6. Put the heater underneath the heat exchanger exchanger
and align the end of heater with the end plate
of heat exchanger.
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'11 • PAC-T-160
Step 7 Step 11
7. Fix the heater with 4 brackets. 11. Reasse
<Note> Take c
1) Fix the heater so that the bracket 3) In bending position, twist the heater to ▼ mar
doesn’t pinch the heater as figure make it easier to bend, and get back
shows. to be able to fix it with bracket. <Note>
Bracket 1. Tight
Heater
2. Do no
It ma
Base
✕ ✕ ✓
2) Place the heater so as to touch the
base completely.
Heater
✕
Step 8 Step 12
8. Insert the plastic band with clip on the designated <Note> 12. Reasse
place (2 places), and fix the heater. 1) Do not fasten the heating part with 2) When the heater is laid down correctly, 1) Fron
the plastic band. the end of heating part comes to the
There is a marking on the end of corner of the base. Use
heating part.
Marking Marking
✕ ✓ 2) Serv
Use
Step 9 Step 10
9. Lay down the wiring on the same route of fan motor wiring, 10. Insert the connector to the port CnF (Black) on the top right
and fix the wire with attached plastic band (2 places) at the of the PCB, and fix the wire with bands (3 places). Excess
same place where the fan motor wiring is banded. part of the wire should be dropped naturally.
Connector CnF
Band (Black)
Fan motor wiring
Heater
<Note>
Be sure to cut the excess
<Note> part of plastic band.
Fan motor wiring is banded on It may cause abnormal
the bracket so that it doesn’t noise when hit by fan blade
loosen. or misassembling of <Note>
Do not loose the band for the panels. ● This heat
motor wiring to band the heater Do not bundle excess part disconne
wire together but use the of the wire. It may damage Drop the cable
● Be sure t
attached plastic band. the heater. naturally
Especially
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'11 • PAC-T-160
Step 11
11. Reassemble the fan blade.
Take care to align the D-cut of motor shaft and the fan blade.
e heater to ▼ mark on the center of the fan shows the position of D-cut.
get back
ket. <Note>
1. Tightening torque of the nut is 4.0-4.9 N·m.
2. Do not rotate the axis of fan motor when tightening the nut.
It may cause malfunction of the fan motor.
by
e heater
Step 12
12. Reassemble the panels.
n correctly, 1) Front panel 3) Top panel
es to the
Use screw B for all places.
A
A B
B
A
A
A
A A
A
A
2) Service panel
Use screw B for all places.
op right
xcess
<Note>
1) When reassembling the service panel, take care
not to damage the front panel with the edge.
2) There are two different length of screws.
Be sure to use correct screw.
Long screw A: used for Top panel other than
fixing fan bracket. A B
Short screw B: other place than A.
B
B
<Note>
● This heater should have bending radius of at least 25mm including non-heating part. Do not bundle the excess part of the wire. It may cause
disconnection of the heater or insufficient capacity.
he cable
● Be sure to prevent the heater from touching any refrigerant piping.
lly
Especially, pay close attention not to make it touch with pipes which are close to the wiring route such as suction pipe, check valve and check joint.
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HYPER&MICRO INVERTER PACKAGED AIR-CONDITIONERS
Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice.
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