Liebert EXS 10 80 KVA CT EN EMEA Rev4 09 2019
Liebert EXS 10 80 KVA CT EN EMEA Rev4 09 2019
Liebert EXS 10 80 KVA CT EN EMEA Rev4 09 2019
from 10 to 80 kVA
Liebert® EXS
Scope. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2 E MC and Surge Suppression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.3 Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.4 Central Power Supply System (CPSS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.5 Rail. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Relevant Directives and Reference Standards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2 E MC and Surge Suppression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.3 Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.4 Central Power Supply System (CPSS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.5 Rail. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
System Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.1 Models Available . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.2 The System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.3 IGBT Rectifier (AC/DC Converter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.4 IGBT Battery Charger (DC/DC Converter). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.5 DC/AC IGBT Converter (Inverter). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.5 DC/AC IGBT Converter (Inverter). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.6 Electronic Static Switch (Bypass). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.7 Manual Maintenance Bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Operating Modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1 Double Conversion Mode (VFI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.2 Static Bypass Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.3 Energy Stored Mode (Battery Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.4 ECO Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.5 Parallel Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.6 Dual Bus Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.7 Maintenance Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.8 Black Start Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Control and Diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.1 Operator Control and Display Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.2 LCD Display Menu Page Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.3 C ommunication and Signal Interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.4 Optional Communication Cards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.5 Monitoring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.6 Vertiv Trellis™ Platform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.7 Vertiv™ LIFE™ Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Mechanical Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.1 Enclosure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.2 Ventilation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.3 C able Entry. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Serviceability and Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
8.1 Integrated Isolation Transformer (T version). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
8.2 B attery Cubicle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
8.3 R emote LED Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Technical Data 10 to 80 kVA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Customer Experience Center. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2
1. Scope 3. S
ystem Description
This specification describes the 3.1 Models Available
operation and functionality of a The Liebert® EXS range includes the ratings and input/output configurations
continuous-duty, transformer-free, presented in Table 1.
Uninterruptible Power Supply (UPS)
3.2 The System
system, classified as VFI-SS-111
according to IEC/EN 62040-3. The UPS includes the following operational components:
yyRectifier
2. R
elevant Directives and yyBattery Charger
Reference Standards yyInverter
yyStatic Bypass Switch
The UPS is CE marked in accordance with: yyMaintenance Bypass
yyLow Voltage Directive 2014/35/UE yyInternal Battery (optional for 10-60 kVA).
repealing the previous Directive The single-line diagram of the UPS is shown in Figure 1, and Figure 2.
2006/95/EC.
3.2.1 Neutral Connection
yyDirective 2014/30/UE relating to
electromagnetic compatibility and The Liebert EXS output neutral is electrically isolated from the UPS chassis.
repealing the previous Directive The input and output neutral are solidly tied together; therefore the UPS will not
2004/108/EC. modify the state of the upstream neutral in any operating mode. As a consequence
the neutral state of the distribution downstream from the UPS is imposed by the
yyThe UPS is designed, tested and
mains and distribution switchgear.
specified in accordance with the
current revision of the following RATING (KVA) INPUT OUTPUT
standards: 10 kVA 380-400-415V 3 Ph+N 380-400-415V 3 Ph+N or 220-230-240V 1 Ph+N
15 kVA 380-400-415V 3 Ph+N 380-400-415V 3 Ph+N or 220-230-240V 1 Ph+N
2.1 Safety
20 kVA 380-400-415V 3 Ph+N 380-400-415V 3 Ph+N or 220-230-240V 1 Ph+N
General and safety requirements for UPS: 30 kVA 380-400-415V 3 Ph+N 380-400-415V 3 Ph+N
EN 62040-1:2008+A1:2013 incorporating
40 kVA 380-400-415V 3 Ph+N 380-400-415V 3 Ph+N
requirements of IEC/EN 60950-1.
60 kVA 380-400-415V 3 Ph+N 380-400-415V 3 Ph+N
2.2 E
MC and Surge Suppression 80 kVA 380-400-415V 3 PH+N 380-400-415V 3 PH+N
Liebert® EXS can be used for CPSS Neutral To internal battery (10-60 kVA)
Mains
standard, and it's hence capable of Input
3
Liebert® EXS from 10 to 80 kVA
4
3.5 DC/AC IGBT Converter
(Inverter)
3.5.1 AC Voltage Generation Automatic EoD Adjustment VS Back up Time
V (V)
modulation (PWM). By means of the
1.850
digital signal processor (DSP), the IGBT
of the inverter is controlled so that DC 1.800
voltage is divided into pulsed voltage
packets. A low-pass filter converts the 1.67≤V≤1.85 1.750
pulse-width modulated signal into
sinusoidal AC voltage. No isolation 1.700
transformer is needed for the inverter
1.60≤V≤1.67 1.670
with great benefits in terms of energy
conversion efficiency, physical size and 1.600
weight of the modules. 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
3.5.2 T
hree-level Converter T (h)
Topology
The three-level topology adopted for the Figure 4: End of discharge voltage in relation to discharge time
conversion stages of the Liebert® EXS
has proven to be both the most reliable
and efficient. The increased reliability
offered is a direct result of the three
voltage switching levels which reduce
the voltage stress of the UPS Output load % without switching to battery mode
semiconductors, thus ensuring
prolonged life of the critical components. 100%
5
Liebert® EXS from 10 to 80 kVA
6
4. Operating Modes 97,00%
4.1 D
ouble Conversion Mode (VFI) 96,50%
7
Liebert® EXS from 10 to 80 kVA
If the bypass source is outside the will recommence powering the inverter within the predefined limits for at least
protection window, the control logic will and simultaneously recharging the 5 minutes, the load is automatically and
inhibit an automatic transfer of the critical battery through the battery converter. instantaneously transferred back to the
load to the bypass source. If an attempt When the inverter has synchronized with bypass source. In this mode the system
to transfer the load from the inverter the bypass, the UPS will recommence can charge the battery as normal.
output to the bypass is manually initiated, operating in double conversion mode Eco mode is not available for parallel
a load disconnection message will appear without any break (0 ms) in the supply UPS installation.
and the user will be asked to to the load.
acknowledge before proceeding. 4.5 P
arallel Mode
If the primary AC source does not return
within tolerance limits and the UPS For higher capacity and/or reliability, the
4.2.2 R
etransfer to Inverter outputs of multiple UPS (of the same
performs an automatic end of discharge
Once the condition causing the transfer shutdown, the UPS will recommence rating) can be set up in parallel with
to bypass has been resolved, retransfer operating in bypass mode until it is a built-in controller ensuring automatic
of the critical AC load can be manually manually transferred to the inverter. load sharing. Liebert® EXS is able to
initiated as soon as the inverter is Alternatively, it can be set to start in connect up to four units in parallel
synchronized with the bypass source. static bypass mode and automatically without the need for an additional
During the re-transfer the output transfer to double conversion mode after parallel board, allowing maximum
waveform will not exceed the limit set by a time delay, from the moment the reliability and flexibility. At anytime,
IEC/EN 62040-3 for a UPS classified as rectifier start is complete and the bypass a single unit can be upgraded to parallel.
VFI-SS-111. If the bypass is within the source is back within the The parallel option consists of screened
synchronization window, but inverter data cables connecting one unit to the
synchronization windows.
cannot be synchronized with the bypass next in a loop ring bus.
The time delay is selectable between
source when a re-transfer is manually The loop ring bus will allow the parallel
1 and 999 seconds (default: 10 seconds).
initiated, an alert message will appear. configuration to correctly share the
During the selected delay, the UPS will
If the operation is confirmed (in order to system load even in the case of an
charge the battery and phase-lock the
avoid hazardous cross current), the interruption in the data cable.
inverter with bypass. If the inverter is
bypass/inverter changeover will be
unable to phase-lock the bypass at the 4.5.1 P
arallel Configuration for
triggered only after a few milliseconds
end of the selected window, the load will Redundancy
from when bypass has been
remain fed by the bypass and the user The number of UPS in parallel is greater
disconnected from the load. Provided
will be prompted to confirm or cancel an than the minimum number of UPS
the bypass source remained in the
interrupted transfer. necessary to supply the load. Under
protection windows, the interruption will
be always <20ms. 4.4 ECO Mode normal operating conditions, the power
delivered to the load will be equally
4.3 Energy Stored Mode If ECO mode is selected for the purpose shared between the number of UPS
(Battery Mode) of saving energy, the bypass is the units connected to the parallel bus with
Upon failure or degradation of the preferred source. Only when the voltage a tolerance of 5%.
primary AC source, the load will be and/or frequency of the bypass supply
In the event of failure of one of the UPS
supplied through the inverter drawing are/is beyond the pre-defined threshold,
units, the affected unit will be
power from the battery. Visible and the critical AC load is transferred to the
disconnected from the parallel bus and
audible signals will alert the user during inverter. If the inverter is synchronized
the load will be supplied from the
this operating state. The remaining with the bypass source, the transfer will
remaining units without any break in
autonomy time will be calculated by a be instantaneous and during the transfer
continuity. In the case that a single UPS
diagnostic algorithm. Once the end of the output waveform will not exceed the
overload limit is exceeded, the
discharge (EoD) voltage is reached, the limits set by IEC/EN 62040-3 for a UPS
configuration may deliver the required
UPS will automatically disconnect the classified as VI-SS-111.
power without transferring the load to
battery (internal or external) without the If the inverter is not synchronized with the bypass source.
need for external devices. the bypass, in order to avoid hazardous
cross current, bypass / inverter 4.5.2 Parallel Configuration for
4.3.1 After a Utility AC Power Capacity
changeover is triggered only after a few
Outage milliseconds (maximum 20ms) from The number of UPS in parallel is equal
If the primary AC source returns within when the bypass is disconnected from to the minimum number of UPS
tolerance limits prior to a UPS automatic the load. After bypass frequency and necessary to supply the load. Under
end of discharge shutdown, the rectifier voltage have returned and remained normal operating conditions, the power
8
delivered to the load will be equally 5. Control and Diagnostics
shared between the number of UPS
units connected to the parallel bus with 5.1 Operator Control and Display Panel
a tolerance of 5%. In the event of a unit The operator control and display panel are located on the front of the UPS.
failure or overload, the system will The control panel of Liebert EXS includes a 320x240 pixel multi-lingual, graphic
transfer the load to the bypass source. Liquid Crystal Display (LCD), allowing the user to operate and control the UPS
checking parameters, as well as UPS and battery status and retrieve up to
4.5.3 C
ommon Battery
2500 events/alarm logs for reference and diagnosis. Complete access to all LCD
When UPS are connected in parallel, menus is possible through four software-assigned buttons located below the display.
each UPS can use the same battery, The on-screen icons above the buttons clearly explain the function of the button
achieving cost and space savings. within each menu. Two LED indicators show the current working state of the UPS as
It should be noted that in a parallel described below in Table 2.
redundant system using common
battery mode, the batteries are not
redundant and the availability is INDICATOR STATUS DESCRIPTION
consequently reduced. Common
battery banks cannot be used in the Solid green Load powered by the inverter
Dual Bus mode.
4.8 B
lack Start Mode
The UPS can be turned ON also in the
absence of utility input power. This can
be done by holding down the dedicated
button and then pushing the “Inverter
ON” button to start the inverter.
9
Liebert® EXS from 10 to 80 kVA
10
5.4 Optional Communication Cards 5.5 Monitoring 5.5.3 Vertiv Sitescan Web
5.4.1 IS-UNITY-DP and 5.5.1 Vertiv Trellis Power Insight Enterprise Monitoring System
IS-UNITY-SNMP Vertiv Sitescan Web allows users to
The Trellis™ Power Insight Application is
monitor and control virtually any piece of
Vertiv™ IntelliSlot UNITY-DP card designed to monitor your Liebert® UPS
critical facility support equipment -
provides Web access, environmental devices and provides real-time trending
whether it is located in the next room, or
sensor data, and third-party customer for critical UPS performance including
in a facility on the other side of the globe.
protocols for Vertiv UPS. voltage and current utilization.
The web based system provides
The cards manage a wide range of Other capabilities include:
centralized supervision of Vertiv
operating parameters, sending data over Consolidated view of distributed precision cooling, UPS and distribution
Ethernet networks via secure HTTPS UPS equipment units as well as any other analog or
protocol and alarms and notification via Automated device discovery digital third party devices through a
SNMP traps.
Alarm views that are sorted or network of microprocessor based
Vertiv IntelliSlot UNITY cards allow also filtered control modules. Features include real-
monitoring and control of Vertiv UPS time enhanced trend reporting and
Summary view of individual devices
through Vertiv SiteScan® Web or any event management.
with specific device metrics
existing Building Management System.
Vertiv Intellislot UNITY-DP card delivers
Access to individual device Web 5.6 Vertiv Trellis™ Platform
Interface Liebert® EXS can be integrated in
also MODBUS and BACNET protocol via
the EIA-485 or Ethernet port. 5.5.2 Vertiv Nform Centralized Vertiv’s Trellis platform. A real-time
Monitoring Software infrastructure optimization platform that
Vertiv IntelliSlot UNITY cards provide:
enables the unified management of data
Compatibility with Vertiv shutdown Vertiv Nform will monitor the UPS via centre IT and facilities infrastructure.
software SNMP protocol. Authenticated alarm The Vertiv Trellis platform software can
A dedicated web page for monitoring management, trend analysis and event manage capacity, track inventory, plan
the UPS notification delivers a comprehensive changes, visualize configurations,
monitoring solution. Available in a variety analyze and calculate energy usage, and
Interface with Vertiv Nform™ alarm
of versions to suit anything from small optimize cooling and power equipment
notification software
computer rooms to multiple location as well as enable for virtualization.
Ease of integration with industry distributed IT networks, Vertiv Nform
standard open protocol enables: The Vertiv Trellis platform monitors the
Interface with Vertiv SiteScan Web data center, providing a thorough
yyCondition based system state understanding of system dependencies
software recording to help IT and facilities organizations
Proactive analysis of parametric data yyAlarm event exporting to disk keep the data center running at peak
to ensure facility uptime.
yySMTP email performance. This unified and complete
5.4.2 IS-RELAY yyExecution of external program solution, delivers the power to see the
Vertiv IntelliSlot IS-RELAY card provides real situation in your data center, make
yyShut down clients.
contact closures for remote monitoring the right decision and take action with
of alarm conditions of Vertiv UPS. confidence.
Through a set of FORM C relay outputs
the card notifies the following status:
yyOn battery
yyLow battery
yyOn bypass
yySummary alarm
yyOn UPS.
11
Liebert® EXS from 10 to 80 kVA
5.7 V
ertiv™ LIFE™ Services The communication of UPS data to the The Vertiv LIFE Services center allows
In order to increase the overall Vertiv LIFE Services command center LIFE SMS delivery system option, where
availability of the system, Liebert EXS will be transmitted in the following the customer may receive SMS
will be compatible with an optional Vertiv conditions: notification which will be activated in the
LIFE Services communication kit, yyROUTINE: settable at intervals of event of one of the following:
providing connection to the Vertiv LIFE between five minutes and two days yyMains power failure
Services diagnostic service center. (typically once a day) yyMains power recovery
Vertiv LIFE Services will allow the remote yyEMERGENCY: when a problem yyBypass line failure
diagnosis of the UPS through a TCP/IP occurs or parameters are beyond
yyLoad supplied by reserve.
connection (Internet connection), tolerance limits
telephone lines or GSM link in order to yyMANUAL: following a request from
ensure maximum availability of the UPS the command center.
throughout its operational life. The During the call the command center will:
monitoring will be a real 24-hour, 365
day service as a result of a unique yyIdentify the UPS connected
feature that allows trained Customer yyRequest the data stored in the UPS
Engineers to remain in constant memory since the last connection
electronic contact with the service yyRequest real-time information from
center, and therefore the UPS. The UPS the UPS (selectable).
will automatically dial up the service The service center will analyze historical
center at defined intervals to provide data and issue a regular detailed report
detailed information that will be analyzed to the customer containing information
in order to predict short-term problems. of the UPS operational condition and
any critical states.
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6. Mechanical Data 7. S
erviceability and Commissioning
6.1 Enclosure The Liebert® EXS is designed for easy installation and serviceability as a result
The UPS will be housed in a space- of its extractable drawer design, making it a fully modular service solution which
saving enclosure with front doors and considerably minimizes the time needed for repairs.
removable panels. The standard degree
of protection is IP 20. The standard color 8. Options
of the enclosure will be RAL-7021.
Where options described in this chapter are added to the UPS, the data presented
The UPS will be equipped with casters
in the standard technical data tables may vary. Some options may not be available
to facilitate installation and ease of
simultaneously on the same UPS.
movement/relocation of the unit.
8.1 Integrated Isolation Transformer (T version)
6.2 Ventilation
Liebert EXS can be customized to provide full galvanic isolation for specific
Forced air cooling will ensure that all load requirements by adding an isolation transformer that can be housed in the
components operate within defined UPS cabinet.
specifications. Airflow will be controlled
according to load demand. In the event The transformer can be connected to the input or to the output of the UPS.
that one of the cooling fans experiences These options will provide the following benefits:
a fault, the UPS will be immediately yyFull galvanic isolation for medical and other critical applications
notified of the condition via the user yyInstallation in distribution without neutral
interface and through the Vertiv™ LIFE™
yyInstallation with two independent input sources with different neutrals
Services. The cooling air entry will be
from the front and air exit will be at the yyLoad protection in installations with 4-pole switching devices.
back of the unit. The enclosure will be 8.2 B
attery Cubicle
installed with at least 200 mm of free Matching battery cubicles will be available. UPS/battery connection cables will be
space between the device and back wall available on request.
in order to allow unhindered exit of
cooling air. 8.3 Remote LED Panel
6.3 C
able Entry A remote alarm panel will be available to display important messages from the
UPS relay card. The length of the connecting cable must not exceed 100m.
The cable entry is from rear of the UPS.
13
Liebert® EXS from 10 to 80 kVA
Altitude (m) ≤3000 above sea level, derate power by 1% ≤1500 above sea level, derate power by 1%
per each 100m increase each 100m increase
Relative humidity (%RH) 0 to 95, non condensing
0 to 40 without de-rating and 40 to 50 with derating. 0 - 40 without derating. Battery life is halved
Operating temperature (°C) Battery life is halved for every 10°C increase above 20°C for every 10°C increase above 20°C
577 x 650 x 1300 (extended version)
Storage and transport (°C) -40 to 70
temperature for UPS
Recommended battery (°C) -20 to 30
storage temperature
Over-voltage level - Degree 2
EMC class - C3 (C2 optional(7))
Pollution level - Degree 2
9.3 Mechanical Characteristics
Dimensions 335 x 650 x 1300 (standard version) 440 x 750 x 1600 600 x 850 x 600 x 850 x
(W × D × H) (mm) 1600 1600
577 x 650 x 1300 (extended version)
Net / Shipping Weight 85/115 (standard version) 200/250 215/265 230/270
(excluding battery) (kg)
135/165 (extended version)
Net / Shipping Weight 285/315 (standard version including 2x32 battery blocks) 600/650 615/665 NA
(including batteries) (kg) 535/565 (extended version including 4x32 battery
blocks)
Colour - Black RAL7021
Protection degree, - IP20
IEC (60529)
9.4 Rectifier AC Input (mains)
Nominal input voltage(1) (V) 380 / 400 / 415 (three-phase and sharing neutral with the bypass input)
14
NOMINAL POWER (KVA) 10 15 20 30 40 60 80
9.5 Battery
Battery bus voltage (V) Range: 320 to 576 312 to 576
Number(1) of lead-acid cells Max: 240=[40×6-cell]
per string the unit can work - Min: 192=[32×6-cell]
without derating
Max charging current (A) 13 25
Ripple voltage(2) (%) ≤3 ≤1.4
Bulk charge current limit (% C10) 10 default; limit selectable range: 10 to 25
Boost voltage (V/cell) 2.35; selectable range: 2.30 to 2.40
Float voltage (V/cell) 2.27; selectable range: 2.20 to 2.30
Float to boost trigger: from 0.02C10 to 0.08C10; Float to boost trigger: from 0.01C10 to 0.07C10;
default 0.05C10 default 0.05C10
Boost Control - Boast to float trigger: from 0.01C10 to 0.05C10; Boast to float trigger: from 0.01C10 to 0.025C10;
default 0.02C10 default 0.02C10
Safety time-out from 5 to 24h, default 12h Safety time-out from 8 to 30h, default 8h
Boost mode inhibit also selectable Boost mode inhibit also selectable
Lower limit: 1.63 (selectable between 1.60 and 1.67)
Automatic E.o.D voltage (V/Cell) Upper limit: 1.75 (selectable between 1.67 and 1.85)
adjustment
Automatic inverse, EOD voltage x discharge current mode (the EOD voltage increases at low discharge currents)
Recommended battery (°C) <25
operation temperature
Voltage temperature (mV/°C/Cell) -3.0
compensation (selectable 0 to -5.0 around 25°C or 20°C or inhibit)
Battery mode 100% (%) 96.5 96.2 95.3 95.2 94.7 94.7
efficiency load 75% (%) 95.8 96.5 96.2 95.3 95.1 95.1
load 50% (%) 94.5 95.8 96.5 95.3 95.2 95.2
load 25% (%) 92.0 93.5 94.5 94.4 94.6 94.6
load
9.6 Bypass
380 /400 /415 (three-phase and sharing neutral
with the rectifier input) 380 /400 /415 (three-phase and sharing neutral
Nominal voltage(3) (Vac) with the rectifier input)
220/230/240 (single-phase with neutral reference to
the rectifier neutral)
Upper limit: +10,+15, or +20, default: +20 Upper limit: +10,+15, or +20, default: +15
Voltage protection (%Vac) Lower limit: -10, -20, -30, -40, default: -40 Lower limit: -10, -20, -30, -40, default: -20
windows(4)
(delay time to accept steady bypass voltage: 10 sec) (delay time to accept steady bypass voltage: 10 sec)
Nominal frequency(5) (Hz) 50/60
Frequency protection window(4) (%) ±10 (±5 selectable)
Rated current @400 V (A) 14.4 21.7 28.9 43.2 57.7 86.5
Bypass Input breaker/switch 3 Pole Breaker 3 Pole Breaker
(Q2) - 3 Pole Breakers 50 A Type C 3 Pole Breakers 100 A
125 A 160 A
Maintenance Input breaker/ 3 Pole Switch 3 Pole Breaker
switch (Q3) - 4 Pole Breakers 100 A Type C 3 Pole Breakers 100 A 100 A 160 A
Transfer time with inverter (ms) ≤2
synchronous to bypass
Transfer delay time with ≤20
inverter not synchronous to (ms)
bypass (40, 60, 80, 100, selectable)
105% (min) Continuous Continuous
125% (min) 5 10
Overload
150% (sec) 60 300
>150% (ms) <200 <200
I2T @ Tvj =125°C, (kA2s)
8.3 -10 ms 1.76 9.1 9.1 16.2
SCR(6) ITSM @ Tvj =125°C, (kA) 0.6 1.35 1.35 1.8
10 ms
1. 12V Battery block per string number must be 24, 32 or 40 (10-20 kVA) and 26, 28, 30, 32, 34, 36, 38 or 40 (30-80 kVA).
2. In Float Mode for 10 minute autonomy, as per VDE0510.
3. Factory set to 400 V. 380 V or 415 V selectable by commissioning engineer.
4. Outside this range the switch to bypass is inhibited.
5. Factory set to 50 Hz. 60 Hz selectable by commissioning engineer.
6. If current sharing inductors are installed an additional inductance of 10% must be taken into consideration when analyzing the selectivity of the installation.
15
Liebert® EXS from 10 to 80 kVA
NOMINAL POWER 10 15 20 30 40 60 80
9.7 Inverter AC Output
Nominal output voltage(1) (V) 380/400/415 (three-phase) or 220/230/240 (single-phase) 380/400/415 (three-phase)
Total harmonic voltage
distortion with 100% linear (%) 2
load (THDv)
Total harmonic voltage
distortion with reference to (%) 5
non linear load (THDv)
Steady state voltage stability
100% balanced load (%) ±1
100% unbalanced load (%) ±1
Transient voltage stability
Input variation
(Main/Battery/Bypass) (%) ±6 ±5
0-100% linear load step (%) ±6 ±5
0-100% non linear load step (%) ±7 ±5
Transient recovery time (ms) 60
Nominal output frequency(2) (Hz) 50/60
Frequency stability
Synchronized with
internal clock (%) ±0.25
Synchronized with
bypass ±0.25
Frequency slew rate
(Max change rate of synch (Hz/s) Setting range: 0.2 to 0.5 Setting range: 0.1 to 0.3
frequency)
Frequency synchronization (%) Nominal ± 5 Nominal ± 10
window(3)
Maximum phase error for (deg) 3 6
synchronization with bypass
Phase angle displacement
accuracy
100% balanced load
(100, 100, 100) (deg) ±1.0 ±1.0
100% unbalanced load
(0, 0, 100) (deg) ±1.0 ±1.5
Nominal apparent power (kVA) 10 15 20 30 40 60 80
Nominal active power (kW) 10 15 20 30 40 60 80
Range of load power factor 0.5 lagging to 0.5 leading(4) 0.5 lagging to 0.8 leading(4)
Nominal output current @ (A) 14.4 21.7 28.9 43.1 57.2 85.8 114.4
400 V three phase output
Nominal output current @ (A) 43.3 65.0 86.6 NA NA NA NA
230 V single phase output
4 Pole Switch
Output Switch (Q5 / Q6) 3 Pole Breakers 50 A 4 Pole Breakers 100 A
250 A
Automatic active power
adjustment with temperature
@ 30°C (kVA/kW) 10 15 20 30 40 60 80
@ 35°C 10 15 20 30 40 60 80
@ 40°C 10 15 20 30 40 60 80
@ 45°C 9 13.5 18 NA NA NA NA
@ 50°C 8 12 16 NA NA NA NA
Overload 105% (min) 60 60
125% (min) 5 10
150% (min) 1 1
>150% (ms) <200 <200
Three phase short circuit (A rms) 64 152 335 335
current in battery mode
Phase to neutral short circuit (A rms) 64 152 335 335
current in battery mode
Short circuit current duration (ms) 120 200
before inverter shut down
Non-linear load capability(5) (%) 100
Load crest factor handled - 3:1
without derating
Permissible load unbalance (%) 100
1. Factory set to 400 V. 380 V or 415 V selectable by commissioning engineer.
2. Factory set to 50 Hz. 60 Hz selectable by commissioning engineer. Note that the system frequency can be changed only when the UPS is on bypass. It is strictly prohibited to change the system frequency when
the UPS is on inverter.
3. If bypass frequency is outside this window the inverter cannot be synchronized.
4. From 0.5 to 0.9 leading de-rating is applied..
5. IEC 62040-3, annex E (crest factor 3:1).
16
NOMINAL POWER (KVA) 10 15 20 30 40 60 80
9.8 Efficiency and Heat Losses
Overall Efficiency
Normal mode
(double-conversion)
100% (%) 95.7 96.2 95.8 95.9 95.6 95.6 95.6
75% (%) 95.5 95.7 96.2 96.0 95.9 95.9 95.9
50% (%) 95.7 95.5 95.7 95.5 96.1 96.1 96.1
25% (%) 93.0 94.0 95.4 94.5 95.0 95.0 95.0
ECO Mode (%) 99.0
Heat losses & Air Exchange
Normal mode and battery (kW) 0.4 0.7 0.9 1.5 2.5 3.0 3.6
charged
Normal mode and battery (kW) 0.9 1.2 1.4 1.8 2.8 3.2 4.0
boost charging
Eco mode and battery (kW) 0.1 0.2 0.3 0.4 0.6 0.6 0.98
charged
Eco mode and battery boost (kW) 0.7 0.9 1.1 0.8 0.9 1 1
charging
No load (kW) 0.18 0.27 0.43 0.58
Maximum forced air cooling L/sec 208 120 370 370
(front intake, rear exhaust)
Note: 400 Vac input and output, battery fully charged, full-Nominal linear load
17
Liebert® EXS from 10 to 80 kVA
Vertiv™ state-of-the-art Customer These processes can be experienced Testing is also customized based on the
Experience Center located in Castel from the facility’s control room, where complexity, size and number of UPS
Guelfo (Bologna - Italy), enables our real-time performance measurements components in the configuration.
customers to experience first-hand a and reporting will be available while Our Customer Experience Center offers
wide variety of data center providing full visibility of the
technologies, supported by constant three validation experiences:
demonstration area. The center can host
consultation from R&D and yyDemo - carried out on new products
simultaneous tests at full load of up to to demonstrate UPS performance
engineering specialists.
4000 A.
yyStandard - validation test showing
Customers visiting the center will The customer validation area specifically UPS standard technical performances
be able to witness pre-installation dedicated to UPS consists of four in compliance with UPS catalogue
demonstrations, covering the technical testing stations, each one providing up and IEC 62040-3 standards
performance, interoperability and to 1.2 MVA of capacity. yyCustomized - session tailored to
efficiency of Vertiv UPS systems under Testing includes individual modules, validating customer’s specific
real field conditions. as well as complete power systems, with technical performance needs.
the added possibility of the customer’s
switchgear support systems being
connected, thus guaranteeing smooth,
rapid installation and commissioning of
large power systems.
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© 2019 Vertiv Group Corp. All rights reserved. Vertiv™ and the Vertiv logo are trademarks or registered trademarks of Vertiv Group Corp. While every precaution has been taken to ensure accuracy and completeness herein, Vertiv Group Corp. assumes no
responsibility, and disclaims all liability, for damages resulting from use of this information or for any errors or omissions. Specifications are subject to change without notice.
MKA4CAT0UKEXS Rev.4-07-2019