York Zxe08a2b1aa1a111a2 Catalog
York Zxe08a2b1aa1a111a2 Catalog
York Zxe08a2b1aa1a111a2 Catalog
Direct Fit™
TECHNICAL GUIDE
ZX/ZY/ZQ SERIES
3 - 12.5 TON
60 HERTZ
Table of Contents
Component Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Factory Installed Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Field Installed Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
AHRI Cooling Rating Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
AHRI 270 Outdoor Sound Power Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Capacity Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Airflow Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Power Exhaust Blower Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Typical Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Economizer Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Guide Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Product Highlights
• Assembled in Norman, OK NOTE: All single phase 3-5 ton gas heating units are equipped
• ASHRAE 90.1 Compliant with an ECM motor on direct drive units.
• R-410A Refrigerant • State of the art Microprocessor Controls with specific
• Cooling Only and Gas/Electric configurations available programming for product applications
• Scroll Compressors • MicroChannel Condenser Coils
• Up to 15.4 SEER and 12.2 EER on the Energy Star • Evaporator coils utilize copper tube/aluminum fin design
Compliant Energy Level for proven reliability and performance.
• Up to 14.0 SEER and 11.2 EER on the ASHRAE 90.1 • TXV (Thermostatic Expansion Valve) Standard on:
Compliant Standard Efficiency Level (ASHRAE 90.1 Compliant Standard Efficiency Level 5 -
• DOE (Department of Energy) Complaint - All ZE models 12.5 ton models and Energy Star Compliant Efficiency
meet minimum DOE efficiencies for cooling and fan Level 3 - 10 ton models)
efficiencies. Single phase gas heating products are fan • Single-stage Cooling (3 -6 ton models)
energy rated (FER) to meet DOE requirements. • Two-stage Cooling (6 - 12.5 ton models)
• Alternate Motor and Drives
Component Location
Cooling With Gas Heat (3 Through 5 Ton)
B
E
D H
G J
E B
G
C
Fan Delays - Fan on and fan off delays are fully programmable.
Furthermore, the heating and cooling fan delay times are
D Units will come with the new state of the art Smart independent of one another. All units are programmed with
Equipment™ control system. The new unit control
default values based upon their configuration of cooling and/or
incorporates the best of the already proven Smart Equipment™
heating capacity.
controls and creates a more robust, intelligent control. The goal
of this control is to utilize cutting edge technology making the Nuisance Trip Protection and Three Strikes - To prevent
equipment easier to install, operate, and service. All units are nuisance calls, the control board uses a three times, you're out
Factory commissioned, configured, and run tested. philosophy. The high, low-pressure switch, anti-freeze
protection, low voltage or heating high limit must trip three times
Versatile - The Smart Equipment™ control can be configured
within two hours before the unit control board will lock out the
to use with a standard thermostat (easy to connect screw
associated compressor. The same safety must trip three times
terminals), a zone sensor, or can be setup to communicate with
before a hard lockout will occur.
multiple BAS communication protocols to integrate with building
automation systems.
On-board USB Port - The new control comes with a long list of
features including data logging, current and previous system
faults and software update capabilities using the on board USB
port and common flash drive. Energy use monitoring
capabilities allow custom tailoring to allow a system to work
more efficiently at all times and occupancy levels. Self test and
start-up reports also available from the board VIA the USB port.
All evaporator coils utilize copper tube with aluminum fin design
for proven reliability and performance.
Dry Bulb Economizer - Economizer operation is enabled by Hinged Cabinet Doors - The factory installed hinged panel
the outdoor air temperature being less than the setpoint of the option will save time, money and labor while allowing easy
economizer module. servicing of blower components, filters and controls. With this
option there is no longer a need to remove panels to access
Enthalpy Economizer - The added outdoor air enthalpy these critical sections and running the risk of losing panels or
sensor enables economizer operation if the outdoor enthalpy roof damage from loose panels and materials. Extra care was
is less than the setpoint of the economizer logic module. taken to design a durable hinged panel with leak tight seal.
• A=None • 1=None
• B=Dry Bulb Economizer • 2=Louvered Panels
• C=Enthalpy Economizer • 3=Hinged Cabinet Doors
• 4=Hinged Cabinet Doors And Louvered Panels
Convenience Outlet (14)
Convenience Outlet - (Powered and Non-Powered) - This FDD (Fault Detection and Diagnostics) - Refrigerant side A
option locates a 120V single-phase GFCI outlet with cover, on Modification Shop offering for an additional installed control
the corner of the unit housing adjacent to the compressors. system for commercial equipment that constantly monitors
The Non-powered option requires the installer to provide the refrigerant circuit pressures, refrigerant circuit temperatures, as
120V single-phase power source and wiring. Factory installed well as the environmental temperatures and humidity via
option only. multiple sensor inputs.
changeover from mechanical refrigeration to economizer • Gas Heat High Altitude Kit - This kit converts a gas heat
operation is regulated by the outdoor air dry bulb unit to operate at high altitudes, 2,000 to 10,000 feet.
temperature or the outdoor air enthalpy input. The dual Conversion kits are available for natural gas and propane.
enthalpy kit provides a second input used to monitor the • Roof Curbs - The roof curbs have insulated decks and
return air (field installed). The installer needs only to are shipped disassembled The roof curbs are available in
assemble the outdoor air hood, attach the enthalpy control 14 and 24 heights.
the hood and mount the hood to the unit (Hood and
• Thermostat - The units are designed to operate with 24-
control are provided).
volt electronic and electro-mechanical thermostats. All 7.5
• Dry Bulb Economizer - Economizer operation is enabled thru 12.5 ton units operate with two-stage heat/two-stage
by the outdoor air temperature being less than the cool or two-stage cooling only thermostats, depending
setpoint of the economizer module. upon unit configuration.
• Single Enthalpy Control, Accessory for Economizer - • Smoke detectors - The smoke detectors stop operation
All field installed economizers will come standard as a dry of the unit by interrupting power and providing a fault
bulb economizer. This kit adds an outdoor air enthalpy message to the control board if smoke is detected within
sensor which enables economizer operation if the outdoor the air compartment. Smoke detectors are available for
enthalpy is less than the setpoint of the economizer logic both the supply and/or return air configurations.
module.
• Hinged Filter Access Panel For Use With Horizontal
• Dual Enthalpy Control, Accessory for Economizer - All Flow Economizer - Allows hinged access to the filter
field installed economizers will come standard as a dry section when used with a horizontal economizer.
bulb economizer. This kit adds an outdoor air enthalpy
• Low Ambient Head Pressure Control Kit - The
sensor and return air enthalpy sensor which enables
Electronic Low Ambient Controller is designed to regulate
economizer operation if the outdoor enthalpy is less than
condenser head pressure at low ambient temperatures by
the setpoint of the economizer logic module.
varying the amount of airflow through the condenser.
• Power Exhaust - This accessory installs in the unit with a
• Manual Outdoor Air Damper - Like the motorized
down flow economizer or in the ductwork for a horizontal
outdoor air damper, each manual outdoor air damper
application.
includes a slide-in damper assembly with an outdoor air
• Louvered Hail Guard - This kit includes a decorative hood and filters. Customers have a choice of dampers
louvered panel which installs over the outside condenser with ranges of 0% to 100% or 0% to 35% outdoor air
coil and prevents damage to the coil fins from hail strikes. entry.
• Flue Exhaust Extension Kit - In locations where wind or • Thru The Base Connection - Kits are available to
weather conditions may interfere with proper exhausting provide a way to route wiring to the unit through the base
of furnace combustion products, this kit can be installed to of the unit and gas supplied to the unit through the base or
prevent the flue exhaust from entering nearby fresh air through the curb. These kits provide a seal tight way to
intakes. bring power and gas to the unit without additional roof
• Propane Conversion Kit - This kit converts a gas heat penetrations.
unit to operate with propane gas at altitudes up to 2,000 • Electric Heat (Field installed option Only) - Select
feet. heater sizes for 3-12.5 ton units available. Necessary
hardware and connectors are included with the heaters.
Nomenclature
1 = None
Nominal Cooling Capacity
2 = Louvered Panels Installed
3 = Hinged Cabinet Doors
04 = 3 Ton 4 = Hinged Cabinet Doors & Louvered Panels
05 = 4 Ton
06 = 5 Ton
07 = 6 Ton
A7 = 6 Ton Electrical Options
08 = 7-1/2 Ton
09 = 8-1/2 Ton 1 = None
12 = 10 Ton 2 = Non-fused Disconnect1
14 = 12-1/2 Ton (Standard Efficiency Only)
1. Verify on the unit nameplate that the
disconnect is properly sized for the
Heat Size application. Units with field installed
electric heat may exceed the factory
A = No Heat (Cooling Only) installed disconnect amperage rating.
Gas Heat
Convenience Outlet
D = Low Heat
E = Medium Heat 1 = None
F = High Heat 2 = Non-powered
L = Low Heat (Low NOx) 3 = Powered
M = Medium Heat (Low NOx)
N = High Heat (Low NOx)
R = Low Heat (Stainless Steel) Economizer / Damper
S = Medium Heat (Stainless Steel)
T = High Heat (Stainless Steel) A = None
B = Dry Bulb Economizer
C = Enthalpy Economizer
Voltage
Controls
Options
A = Smart Equipment™
1 = None
B = Smart Equipment™ + BACnet MSTP, Mdbs, N2 COM Card
3 = VFD IntelliSpeed™ (ZXA7-ZX14 & ZYA7-ZY12)
J = Verasys Single Zone
Note: Not all options may be available. Contact K = Verasys Change Over Bypass
local distributor.
Coil Options
Accessories
Accessory Kit
Description Where Used Voltage
Number
2EE04706724 Econ, DB, Vertical Flow, Small Footprint ZY04, ZY05, ZY06. ZQ04, ZQ5, ZQ06, ZXA7 All
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
2EE04706824 Econ, DB, Vertical Flow, Large Footprint All
ZY08, ZY09, ZY12
2EE04707024 Econ, DB, Horizontal Flow, Small Footprint, Short Cabinet ZY04, ZQ04, ZQ05 All
2EE04707124 Econ, DB, Horizontal Flow, Small Footprint, Tall Cabinet ZX07, ZXA7, ZY05, ZY06, ZQ06 All
2EE04707224 Econ, DB, Horizontal Flow, Large Footprint, Short Cabinet ZX08, ZY07, ZYA7 All
2EE04707324 Econ, DB, Horizontal Flow, Large Footprint, Tall Cabinet ZX09, ZX12, ZX14, ZY08, ZY09, ZY12 All
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
1FA0415 Manual Outside Air Damper 0-35% All
ZXA7
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
1FA0416 Manual Outside Air Damper 0-35% All
ZY08, ZY09, ZY12
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
1FA0417 Manual Outside Air Damper 0-100% All
ZXA7
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
1FA0418 Manual Outside Air Damper 0-100% All
ZY08, ZY09, ZY12
2MD04704224 Motorized Outside Air Damper 0-100% ZY04, ZY05, ZY06, ZXA7 All
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
2MD04704324 Motorized Outside Air Damper 0-100% All
ZY08, ZY09, ZY12
2EC0401 Kit, Single Enthalpy Field Installed All All
2EC0402 Kit, Dual Enthalpy Field Installed All All
Hinged Filter Access Panel For Units With A Horizontal
1HD0401 ZQ04, ZQ05, ZY04 All
Economizer
Hinged Filter Access Panel For Units With A Horizontal
1HD0402 ZQ06, ZY05, ZY06, ZXA7 All
Economizer
Hinged Filter Access Panel For Units With A Horizontal
1HD0403 ZX08, ZY07, ZYA7 All
Economizer
Hinged Filter Access Panel For Units With A Horizontal
1HD0404 ZX09, ZX12, ZX14, ZY08, ZY09, ZY12 All
Economizer
1HG0419 Hail Guard Kit Small Footprint, Short Cabinet ZY04, ZQ04, ZQ05 All
1HG0420 Hail Guard Kit Small Footprint, Tall Cabinet ZY05, ZY06, ZQ06, ZXA7 All
1HG0423 Hail Guard Kit Large Footprint, Short Cabinet ZX08, ZY07, ZYA7 All
1HG0424 Hail Guard Kit Large Footprint, Tall Cabinet ZX09, ZX12, ZX14, ZY08, ZY09, ZY12 All
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
1RC0456 Curb Rigid 14" Small Footprint All
ZXA7
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
1RC0457 Curb Rigid 14" Large Footprint All
ZY08, ZY09, ZY12
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
1RC0458 Curb Rigid 24" Small Footprint All
ZXA7
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
1RC0459 Curb Rigid 24" Large Footprint All
ZY08, ZY09, ZY12
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
2PE04704206 Power Exhaust Vert Flow Small Footprint 208V-230V 1-ph 208/230-1-60
ZXA7
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
2PE04704225 Power Exhaust Vert Flow Small Footprint 208V-230V 3-ph 208/230-3-60
ZXA7
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
2PE04704246 Power Exhaust Vert Flow Small Footprint 460V 3-ph 460-3-60
ZXA7
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
2PE04704258 Power Exhaust Vert Flow Small Footprint 575V 3-ph 575-3-60
ZXA7
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
2PE04704306 Power Exhaust Vert Flow Large Footprint 208V-230V 1-ph 208/230-1-60
ZY08, ZY09, ZY12
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
2PE04704325 Power Exhaust Vert Flow Large Footprint 208V-230V 3-ph 208/230-3-60
ZY08, ZY09, ZY12
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
2PE04704346 Power Exhaust Vert Flow Large Footprint 460V 3-ph 460-3-60
ZY08, ZY09, ZY12
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
2PE04704358 Power Exhaust Vert Flow Large Footprint 575V 3-ph 575-3-60
ZY08, ZY09, ZY12
Accessories (Continued)
Accessory Kit
Description Where Used Voltage
Number
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
2PE04704406 Power Exhaust Horiz Flow Small Footprint 208V-230V 1-ph 208/230-1-60
ZXA7
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
2PE04704425 Power Exhaust Horiz Flow Small Footprint 208V-230V 3-ph 208/230-3-60
ZXA7
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
2PE04704446 Power Exhaust Horiz Flow Small Footprint 460V 3-ph 460-3-60
ZXA7
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
2PE04704458 Power Exhaust Horiz Flow Small Footprint 575V 3-ph 575-3-60
ZXA7
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
2PE04704506 Power Exhaust Horiz Flow Large Footprint 208V-230V 1-ph 208/230-1-60
ZY08, ZY09, ZY12
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
2PE04704525 Power Exhaust Horiz Flow Large Footprint 208V-230V 3-ph 208/230-3-60
ZY08, ZY09, ZY12
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
2PE04704546 Power Exhaust Horiz Flow Large Footprint 460V 3-ph 460-3-60
ZY08, ZY09, ZY12
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
2PE04704558 Power Exhaust Horiz Flow Large Footprint 575V 3-ph 575-3-60
ZY08, ZY09, ZY12
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
1HA0454 High Altitude Kit for Natural Gas (2,000-10,000 ft) ZXA7 - Low, Med, High Heat All
ZY07, ZYA7 - Low Heat
ZX08, ZX09, ZX12, ZX14, ZY08, ZY09,
1HA0455 High Altitude Kit for Natural Gas (2,000-10,000 ft) ZY12 - Low, Med, High Heat All
ZY07, ZYA7 - Med, High Heat
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
1NP0456 Propane Conversion Kit Note: Not for use with Low NOx ZXA7 - Low, Med, High Heat All
ZY07, ZYA7 - Low Heat
ZX08, ZX09, ZX12, ZX14, ZY08, ZY09,
1NP0457 Propane Conversion Kit ZY12 - Low, Med, High Heat All
ZY07, ZYA7 - Med, High Heat
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
High Altitude Kit for Propane (2,000-10,000 ft) Note: Not for use
1HA0458 ZXA7 - Low, Med, High Heat All
with Low NOx
ZY07, ZYA7 - Low Heat
ZX08, ZX09, ZX12, ZX14, ZY08, ZY09,
1HA0459 High Altitude Kit for Propane (2,000-10,000 ft) ZY12 - Low, Med, High Heat All
ZY07, ZYA7 - Med, High Heat
1FE0414 Flue Exhaust Kit ZYG04, ZQG04, ZQG05 All
ZXGA7, ZXG08, ZYG05, ZYG06, ZYG07,
1FE0415 Flue Exhaust Kit All
ZYGA7, ZQG06
ZXG09, ZXG12, ZXG14, ZYG08, ZYG09,
1FE0416 Flue Exhaust Kit All
ZYG12
ZQ04, ZQ05, ZQ06, ZXA7, ZX08, ZX09,
1HS0401 Flue Heat Shield Accessory ZX12, ZX14, ZY04, ZY05, ZY06, ZY07, All
ZYA7, ZY08, ZY09, ZY12
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
2EK04510625 6.5 KW Electric Heat 208/230-(1 or 3)-60
ZXA7
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
2EK04510646 6.0 KW Electric Heat 460-3-60
ZXA7
2EK04510725 6.5 KW Electric Heat ZY07, ZYA7 208/230-3-60
2EK04510746 6.0 KW Electric Heat ZY07, ZYA7 460-3-60
2EK04511058 9.2 KW Electric Heat ZY04, ZY05, ZQ04, ZQ05 575-3-60
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
2EK04511125 10.5 KW Electric Heat 208/230-(1 or 3)-60
ZXA7
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
2EK04511146 11.5 KW Electric Heat 460-3-60
ZXA7
2EK04511458 13.8 KW Electric Heat ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06 575-3-60
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
2EK04511446 14 KW Electric Heat 460-3-60
ZXA7
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
2EK04511625 16 KW Electric Heat 208/230-3-60
ZXA7
Accessories (Continued)
Accessory Kit
Description Where Used Voltage
Number
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
2EK04511725 16 KW Electric Heat 208/230-3-60
ZY08, ZY09, ZY12
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
2EK04511746 16.5 KW Electric Heat 460-3-60
ZY08, ZY09, ZY12
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
2EK04511758 17 KW Electric Heat 575-3-60
ZY08, ZY09
2EK04512358 23 KW Electric Heat ZX06, ZY06, ZQ06 575-3-60
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
2EK04510625 6.5 KW Electric Heat 208/230-(1 or 3)-60
ZXA7
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
2EK04512525 24.8 KW Electric Heat 208/230-3-60
ZY08, ZY09, ZY12
2EK04512646 25.5KW Electric Heat ZY07, ZYA7 460-3-60
2EK04512658 25.7KW Electric Heat ZY07, ZYA7 575-3-60
2EK04512846 27.8 KW Electric Heat ZX08, ZX09, ZX12, ZX14, ZY08, ZY09, ZY12 460-3-60
2EK04513225 32 KW Electric Heat ZX08, ZX09, ZX12, ZX14, ZY08, ZY09, ZY12 208/230-3-60
2EK04513346 33 KW Electric Heat ZX08, ZX09, ZX12, ZX14, ZY08, ZY09, ZY12 460-3-60
2EK04513458 34 KW Electric Heat ZX08, ZX09, ZX12, ZX14, ZY08, ZY09 575-3-60
2EK04514225 42.4 KW Electric Heat ZX08, ZX09, ZX12, ZX14, ZY08, ZY09, ZY12 208/230-3-60
2EK04514246 41.7 KW Electric Heat ZX08, ZX09, ZX12, ZX14, ZY08, ZY09, ZY12 460-3-60
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06, 208V/230V-1-60 or
2LA04704725 Low Ambient Accessory Kit
ZXA7 208V/230V-3-60
ZY04, ZY05, ZY07, ZYA7, ZQ04, ZQ05,
2LA04704746 Low Ambient Accessory Kit 460V-3-60
ZQ06, ZXA7
ZY04, ZY05, ZY08, ZQ04, ZQ05, ZQ06,
2LA04704758 Low Ambient Accessory Kit 575V-3-60
ZXA7
ZX08, ZX09, ZX12, ZY07, ZYA7, ZY08, 208V/230V-1-60 or
2LA04704825 Low Ambient Accessory Kit
ZY09 208V/230V-3-60
ZX08, ZX09, ZX12, ZY07, ZYA7, ZY08,
2LA04704846 Low Ambient Accessory Kit 460V-3-60
ZY09
ZX08, ZX09, ZX12, ZY07, ZYA7, ZY08,
2LA04704858 Low Ambient Accessory Kit 575V-3-60
ZY09
2LA04704925 Low Ambient Accessory Kit ZX14, ZY12 208V/230V-3-60
2LA04704946 Low Ambient Accessory Kit ZX14, ZY12 460V-3-60
2LA04704958 Low Ambient Accessory Kit ZX14, ZY12 575V-3-60
ZXA7, ZX08, ZX09, ZX12, ZX14, ZY04,
2SD04701224 Supply Air Stream Smoke Detector ZY05, ZY06, ZY07, ZYA7, ZY08, ZY09, All
ZY12, ZQ04, ZQ05, ZQ06
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
2SD04701124 Return Air Stream Smoke Detector All
ZXA7
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
2SD04701424 Return Air Stream Smoke Detector All
ZY08, ZY09, ZY12
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
2SD04701324 Combination Supply & Return Air Stream Smoke Detector All
ZXA7
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
2SD04701624 Combination Supply & Return Air Stream Smoke Detector All
ZY08, ZY09, ZY12
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
1TB0401 Small Footprint Thru The Base Electrical & Thru The Curb Gas All
ZXA7
ZX08, ZX09, ZX12, ZX14, ZY07, ZYA7,
1TB0402 Large Footprint Thru The Base Electrical & Thru The Curb Gas All
ZY08, ZY09, ZY12
ZY04, ZY05, ZY06, ZQ04, ZQ05, ZQ06,
1TB0403 Small Footprint Thru The Base Electrical & Gas All
ZXA7
ZX08, ZY07, ZYA7, ZX09, ZX12, ZX14,
1TB0404 Large Footprint Thru The Base Electrical & Gas All
ZY08, ZY09, ZY12
1LD0420 High Speed Drive Kit ZQ05 3-phase only
EER
NOM. IEER IEER WITH
NET TOTAL EER (A/C IEER IEER WITH
COOLING COOLING (A/C WITH IntelliSpeed
UNIT COOLING POWER SEER (COOLING WITH (COOLING IntelliSpeed
STAGES CAPACITY GAS (COOLING
CAPACITY (MBH) (kW) ONLY) GAS ONLY) (GAS HEAT)
(TONS) HEAT) ONLY)
HEAT)
ZXA7 2 6 67.0 6.0 --- 11.2 11.0 12.9 12.9 14.8 14.8
ZX08 2 7.5 85.0 6.6 --- 11.2 11.0 N/A N/A 13.5 13.4
ZX09 2 8.5 99.0 7.7 --- 11.2 11.0 N/A N/A 13.3 13.0
ZX12 2 10.0 116.0 9.2 --- 11.2 11.0 N/A N/A 14.6 14.4
ZX14 2 12.5 135.0 10.8 --- 11.0 10.8 N/A N/A 12.7 12.5
ZY04 1 3 36.0 2.6 15.0 12.0 12.0 --- --- --- ---
ZY05 1 4 49.0 3.5 15.4 12.0 12.0 --- --- --- ---
ZY06 1 5 58.0 4.4 15.2 12.0 12.0 --- --- --- ---
ZY07 1 6 72.0 5.0 --- 12.2 12.0 12.9 12.7 --- ---
ZYA7 2 6 71.0 5.89 --- 12.0 12.0 14.6 14.6 16.0 16.0
ZY08 2 7.5 89.0 6.6 --- 12.2 12.0 12.9 12.7 14.1 14.0
ZY09 2 8.5 98.0 7.3 --- 12.2 12.0 12.9 12.7 14.8 14.6
ZY12 2 10.0 116.0 8.9 --- 11.7 11.5 12.9 12.7 14.0 14.0
ZQ04 1 3 35.0 2.8 14.0 12.2 12.2 --- --- --- ---
ZQ05 1 4 48.0 4.0 14.0 12.0 12.0 --- --- --- ---
ZQ06 1 5 58.5 4.8 14.1 12.1 12.1 --- --- --- ---
Physical Data
Heating Option D E F -
Heating model Low Med High -
1st. Stage Heat input (K Btu) - - 100 -
2nd. Stage Heat input (K Btu) 70 114 145 -
1st. Stage Heat output (K Btu) - - 80 -
2nd. Stage Heat output (K Btu) 56 91 116 -
AHRI HEATING
AFUE % -
PERFORMANCE
Steady state efficiency (%) 80 80 80 -
No. burners 2 3 3 -
No. stages 1 1 2 -
Temperature Rise Range (ºF) 17-29 28-47 36-60 -
Gas Limit Setting (ºF) 150 140 140 -
Gas piping connection (in.) 1/2 1/2 1/2 -
Quantity of fans 1 1
Fan diameter (Inch) 22 22
Type Prop Prop
Drive type Direct Direct
CONDENSER
Quantity of motors 1 1
FAN DATA
Motor HP each 1/2 1/2
No. speeds 2 2
RPM 900 / 1150 900 / 1150
Nominal total CFM 3600 / 4600 3600 / 4600
Airflow Option A B C A B C
Quantity 1 1 1 1 1 1
Fan Size (Inch) 11 x 10 11 x 10 11 x 10 11 x 10 11 x 10 11 x 10
Type Centrifugal Centrifugal
EVAP FAN DATA Motor Sheave 1VL34 1VL44 1VP50 1VL34 1VL44 1VP50
BELT DRIVE Blower Sheave AK51 AK51 AK51 AK51 AK51 AK51
Belt A39 A40 A41 A39 A40 A41
Motor Max Bhp, 3 Phase 2.4 2.9 3.7 2.4 2.9 3.7
RPM 1725 1725 1725 1725 1725 1725
Frame size 56Y 56Y 56HZ 56Y 56Y 56HZ
Heating Option D E F -
Heating model Low Med High -
1st. Stage Heat input (K Btu) 90 125 176 -
2nd. Stage Heat input (K Btu) 125 180 220 -
1st. Stage Heat output (K Btu) 72 100 141 -
2nd. Stage Heat output (K Btu) 100 144 176 -
AHRI HEATING
AFUE % -
PERFORMANCE
Steady state efficiency (%) 80 80 80 -
No. burners 3 4 5 -
No. stages 2 2 2 -
Temperature Rise Range (ºF) 25-41 36-59 43-72 -
Gas Limit Setting (ºF) 140 150 140 -
Gas piping connection (in.) 3/4 3/4 3/4 -
Quantity of fans 2 2
Fan diameter (Inch) 22 22
Type Prop Prop
Drive type Direct Direct
CONDENSER
Quantity of motors 2 2
FAN DATA
Motor HP each 1/2 1/2
No. speeds 1 1
RPM 1085 1085
Nominal total CFM 7600 7600
Airflow Option A B C A B C
Quantity 1 1 1 1 1 1
Fan Size (Inch) 15 X 15 15 X 15 15 X 15 15 X 15 15 X 15 15 X 15
Type Centrifugal Centrifugal
EVAP FAN DATA Motor Sheave 1VL34 1VL44 1VP50 1VL34 1VL44 1VP50
BELT DRIVE Blower Sheave AK74 AK74 AK74 AK74 AK74 AK74
Belt A47 A48 A48 A47 A48 A48
Motor Max Bhp, 3 Phase 2.4 2.9 3.7 2.4 2.9 3.7
RPM 1725 1725 1725 1725 1725 1725
Frame size 56Y 56Y 56HZ 56Y 56Y 56HZ
Heating Option D E F -
Heating model Low Med High -
1st. Stage Heat input (K Btu) 90 125 176 -
2nd. Stage Heat input (K Btu) 125 180 220 -
1st. Stage Heat output (K Btu) 72 100 141 -
2nd. Stage Heat output (K Btu) 100 144 176 -
AHRI HEATING
AFUE % -
PERFORMANCE
Steady state efficiency (%) 80 80 80 -
No. burners 3 4 5 -
No. stages 2 2 2 -
Temperature Rise Range (ºF) 22-36 31-52 38-64 -
Gas Limit Setting (ºF) 140 150 140 -
Gas piping connection (in.) 3/4 3/4 3/4 -
Quantity of fans 2 2
Fan diameter (Inch) 22 22
Type Prop Prop
Drive type Direct Direct
CONDENSER
Quantity of motors 2 2
FAN DATA
Motor HP each 1/2 1/2
No. speeds 1 1
RPM 1085 1085
Nominal total CFM 8600 8600
Airflow Option A B C A B C
Quantity 1 1 1 1 1 1
Fan Size (Inch) 15 x 15 15 x 15 15 x 15 15 x 15 15 x 15 15 x 15
Type Centrifugal Centrifugal
EVAP FAN DATA Motor Sheave 1VL34 1VL44 1VP50 1VL34 1VL44 1VP50
BELT DRIVE Blower Sheave AK74 AK74 AK74 AK74 AK74 AK74
Belt A47 A48 A50 A47 A48 A50
Motor Max Bhp, 3 Phase 2.4 2.4 3.7 2.4 2.4 3.7
RPM 1725 1725 1725 1725 1725 1725
Frame size 56Y 56Y 56HZ 56Y 56Y 56HZ
Heating Option D E F -
Heating model Low Med High -
1st. Stage Heat input (K Btu) 125 176 200 -
2nd. Stage Heat input (K Btu) 180 220 250 -
1st. Stage Heat output (K Btu) 100 141 160 -
2nd. Stage Heat output (K Btu) 144 176 200 -
AHRI HEATING
AFUE % -
PERFORMANCE
Steady state efficiency (%) 80 80 80 -
No. burners 4 5 5 -
No. stages 2 2 2 -
Temperature Rise Range (ºF) 27-44 33-54 37-62 -
Gas Limit Setting (ºF) 150 140 160 -
Gas piping connection (in.) 3/4 3/4 3/4 -
Quantity of fans 2 2
Fan diameter (Inch) 22 22
Type Prop Prop
Drive type Direct Direct
CONDENSER
Quantity of motors 2 2
FAN DATA
Motor HP each 1/2 1/2
No. speeds 1 1
RPM 1085 1085
Nominal total CFM 8600 8600
Airflow Option A B C A B C
Quantity 1 1 1 1 1 1
Fan Size (Inch) 15 x 15 15 x 15 15 x 15 15 x 15 15 x 15 15 x 15
Type Centrifugal Centrifugal
EVAP FAN DATA Motor Sheave 1VL44 1VP50 1VP56 1VL44 1VP50 1VP56
BELT DRIVE Blower Sheave AK79 AK79 BK85 AK79 AK79 BK85
Belt A50 A50 BX52 A50 A50 BX52
Motor Max Bhp, 3 Phase 2.4 3.7 5.25 2.4 3.7 5.25
RPM 1725 1725 1725 1725 1725 1725
Frame size 56Y 56HZ 145TY 56Y 56HZ 145TY
Heating Option D E F -
Heating model Low Med High -
1st. Stage Heat input (K Btu) 125 176 200 -
2nd. Stage Heat input (K Btu) 180 220 250 -
1st. Stage Heat output (K Btu) 100 141 160 -
2nd. Stage Heat output (K Btu) 144 176 200 -
AHRI HEATING
AFUE % -
PERFORMANCE
Steady state efficiency (%) 80 80 80 -
No. burners 4 5 5 -
No. stages 2 2 2 -
Temperature Rise Range (ºF) 21-36 26-43 30-49 -
Gas Limit Setting (ºF) 150 140 160 -
Gas piping connection (in.) 3/4 3/4 3/4 -
Quantity of fans 1 1
Fan diameter (Inch) 30 30
Type Prop Prop
Drive type Direct Direct
CONDENSER
Quantity of motors 1 1
FAN DATA
Motor HP each 1 1/2 1 1/2
No. speeds 1 1
RPM 1140 1140
Nominal total CFM 10600 10600
Airflow Option A B C A B C
Quantity 1 1 1 1 1 1
Fan Size (Inch) 15 x 15 15 x 15 15 x 15 15 x 15 15 x 15 15 x 15
Type Centrifugal Centrifugal
EVAP FAN DATA Motor Sheave 1VL44 1VP50 1VP56 1VL44 1VP50 1VP56
BELT DRIVE Blower Sheave AK79 AK79 BK85 AK79 AK79 BK85
Belt A50 A52 BX54 A50 A52 BX54
Motor Max Bhp, 3 Phase 2.9 3.7 5.25 2.9 3.7 5.25
RPM 1750 1750 1750 1750 1750 1750
Frame size 56Z 184TZ 184TZ 56Z 184TZ 184TZ
Heating Option L D M E -
Heating model Low (Low-NOx) Low Med (Low-NOx) Med -
1st. Stage Heat input (K Btu) - - - - -
2nd. Stage Heat input (K Btu) 56 70 90 112 -
1st. Stage Heat output (K Btu) - - - - -
Heating Option L D M E -
Heating model Low (Low-NOx) Low Med (Low-NOx) Med -
1st. Stage Heat input (K Btu) - 49 - 82 -
2nd. Stage Heat input (K Btu) 56 70 90 112 -
1st. Stage Heat output (K Btu) - 39 - 66 -
AHRI HEATING 2nd. Stage Heat output (K Btu) 45 56 72 90 -
PERFORMANCE
THREE PHASE Steady state efficiency (%) 80 80 80 80 -
No. burners 2 2 3 3 -
No. stages 1 2 1 2 -
Temperature Rise Range (ºF) 28-46 35-58 44-74 55-78 -
Gas Limit Setting (ºF) 150 150 140 140 -
Gas piping connection (in.) 1/2 1/2 1/2 1/2 -
Quantity of fans 1 1
Fan diameter (Inch) 22 22
Type Prop Prop
Drive type Direct Direct
CONDENSER
Quantity of motors 1 1
FAN DATA
Motor HP each 1/4 1/4
No. speeds 1 1
RPM 1100 1100
Nominal total CFM 3800 3800
Airflow Option A A
Quantity 1 1
EVAP FAN DATA Fan Size (Inch) 10 x 10 10 x 10
DIRECT DRIVE Type Centrifugal Centrifugal
Motor HP 3/4 3/4
RPM 1050 1050
Airflow Option B C B C
Quantity 1 1 1 1
Fan Size (Inch) 10 x 10 10 x 10 10 x 10 10 x 10
Type Centrifugal Centrifugal
Motor Sheave 1VL34 1VL44 1VL34 1VL44
EVAP FAN DATA
Blower Sheave AK46 AK46 AK46 AK46
BELT DRIVE
Belt A39 A40 A39 A40
Motor Hp, 1 Phase 1.5 - 1.5 -
Motor Max Bhp, 3 Phase 2.4 2.4 2.4 2.4
RPM 1725 1725 1725 1725
Frame size 56Y 56Y 56Y 56Y
Heating Options L D M E N F -
Heating model Low (Low-NOx) Low Med (Low-NOx) Med High, (Low-NOx) High -
1st. Stage Heat input (K Btu) - - - - - - -
2nd. Stage Heat input (K Btu) 56 70 90 112 116 142 -
1st. Stage Heat output (K Btu) - - - - - - -
Heating Options L D M E N F -
Heating model Low (Low-NOx) Low Med (Low-NOx) Med High, (Low-NOx) High -
1st. Stage Heat input (K Btu) - 49 - 82 - 100 -
2nd. Stage Heat input (K Btu) 56 70 90 112 118 145 -
1st. Stage Heat output (K Btu) - 39 - 66 - 80 -
AHRI HEATING 2nd. Stage Heat output (K Btu) 45 56 72 90 94 116 -
PERFORMANCE
THREE PHASE Steady state efficiency (%) 80 80 80 80 80 80 -
No. burners 2 2 3 3 3 3 -
No. stages 1 2 1 2 1 2 -
Temperature Rise Range (ºF) 21-35 26-43 33-56 41-69 44-73 49-77 -
Gas Limit Setting (ºF) 150 150 140 140 150 145 -
Gas piping connection (in.) 1/2 1/2 1/2 1/2 1/2 1/2 -
Quantity of fans 1 1
Fan diameter (Inch) 22 22
Type Prop Prop
Drive type Direct Direct
CONDENSER
Quantity of motors 1 1
FAN DATA
Motor HP each 1/4 1/4
No. speeds 1 1
RPM 1100 1100
Nominal total CFM 4000 4000
Airflow Option A A
Quantity 1 1
EVAP FAN DATA Fan Size (Inch) 10 x 10 10 x10
DIRECT DRIVE Type Centrifugal Centrifugal
Motor HP 1 1
RPM 1050 1050
Airflow Option B C B C
Quantity 1 1 1 1
Fan Size (Inch) 10 x 10 10 x 10 10 x 10 10 x 10
Type Centrifugal Centrifugal
Motor Sheave 1VL34 1VL44 1VL44 1VL44
EVAP FAN DATA
Blower Sheave AK46 AK46 AK46 AK46
BELT DRIVE
Belt A39 A40 A39 A40
Motor Hp, 1 Phase 1.5 - 1.5 -
Motor Max Bhp, 3 Phase 2.4 2.9 2.4 2.9
RPM 1725 1725 1725 1725
Frame size 56Y 56Y 56Y 56Y
Heating Options L D M E N F -
Heating model Low (Low-NOx) Low Med (Low-NOx) Med High, (Low-NOx) High -
1st. Stage Heat input (K Btu) - - - - - -
2nd. Stage Heat input (K Btu) 56 70 90 112 116 142 -
1st. Stage Heat output (K Btu) - - - - - -
Heating Options L D M E N F -
Heating model Low (Low-NOx) Low Med (Low-NOx) Med High, (Low-NOx) High -
1st. Stage Heat input (K Btu) - 49 - 82 - 100 -
2nd. Stage Heat input (K Btu) 56 70 90 112 118 145 -
1st. Stage Heat output (K Btu) - 39 - 66 - 80 -
AHRI HEATING 2nd. Stage Heat output (K Btu) 45 56 72 90 94 116 -
PERFORMANCE
THREE PHASE Steady state efficiency (%) 80 80 80 80 80 80 -
No. burners 2 2 3 3 3 3 -
No. stages 1 2 1 2 1 2 -
Temperature Rise Range (ºF) 17-28 21-35 27-44 33-55 35-58 43-72 -
Gas Limit Setting (ºF) 150 150 140 140 145 140 -
Gas piping connection (in.) 1/2 1/2 1/2 1/2 1/2 1/2 -
Quantity of fans 1 1
Fan diameter (Inch) 22 22
Type Prop Prop
Drive type Direct Direct
CONDENSER
Quantity of motors 1 1
FAN DATA
Motor HP each 1/2 1/2
No. speeds 1 1
RPM 1085 1085
Nominal total CFM 4600 4600
Airflow Option A A
Quantity 1 1
EVAP FAN DATA Fan Size (Inch) 11 x 10 11 x 10
DIRECT DRIVE Type Centrifugal Centrifugal
Motor HP 1 1
RPM 1050 1050
Airflow Option B C B C
Quantity 1 1 1 1
Fan Size (Inch) 11 x 10 11 x 10 11 x 10 11 x 10
Type Centrifugal Centrifugal
Motor Sheave 1VL34 1VL44 1VL34 1VL44
EVAP FAN DATA BELT
Blower Sheave AK46 AK46 AK46 AK46
DRIVE
Belt A37 A39 A37 A39
Motor Hp, 1 Phase 1.5 - 1.5 -
Motor Max Bhp, 3 Phase 2.4 2.9 2.4 2.9
RPM 1750 1750 1750 1750
Frame size 56HZ 56Z 56HZ 56Z
Heating Option D E F -
Heating model Low Med High -
1st. Stage Heat input (K Btu) 57 90 110 -
2nd. Stage Heat input (K Btu) 72 125 150 -
1st. Stage Heat output (K Btu) 46 72 88 -
2nd. Stage Heat output (K Btu) 58 100 120 -
AHRI HEATING
AFUE % -
PERFORMANCE
Steady state efficiency (%) 80 80 80 -
No. burners 2 3 3 -
No. stages 2 2 2 -
Temperature Rise Range (ºF) 18-30 31-51 37-62 -
Gas Limit Setting (ºF) 140 140 160 -
Gas piping connection (in.) 1/2 3/4 3/4 -
Airflow Option A B C A B C
Quantity 1 1 1 1 1 1
Fan Size (Inch) 15 x 15 15 x 15 15 x 15 15 x 15 15 x 15 15 x 15
Type Centrifugal Centrifugal
EVAP FAN DATA Motor Sheave 1VL34 1VL44 1VP50 1VL34 1VL44 1VP50
BELT DRIVE Blower Sheave AK74 AK74 AK74 AK74 AK74 AK74
Belt A47 A48 A48 A47 A48 A48
Motor Max Bhp, 3 Phase 2.4 2.9 3.7 2.4 2.9 3.7
RPM 1725 1725 1725 1725 1725 1725
Frame size 56Y 56Y 56HZ 56Y 56Y 56HZ
Heating Option D E F -
Heating model Low Med High -
1st. Stage Heat input (K Btu) 57 90 110 -
2nd. Stage Heat input (K Btu) 72 125 150 -
1st. Stage Heat output (K Btu) 46 72 88 -
2nd. Stage Heat output (K Btu) 58 100 120 -
AHRI HEATING
AFUE % -
PERFORMANCE1
Steady state efficiency (%) 80 80 80 -
No. burners 2 3 3 -
No. stages 2 2 2 -
Temperature Rise Range (ºF) 18-30 31-51 37-62 -
Gas Limit Setting (ºF) 140 140 160 -
Gas piping connection (in.) 1/2 3/4 3/4 -
Airflow Option A B C A B C
Quantity 1 1 1 1 1 1
Fan Size (Inch) 15 x 15 15 x 15 15 x 15 15 x 15 15 x 15 15 x 15
Type Centrifugal Centrifugal
EVAP FAN DATA Motor Sheave 1VL34 1VL44 1VP50 1VL34 1VL44 1VP50
BELT DRIVE Blower Sheave AK74 AK74 AK74 AK74 AK74 AK74
Belt A47 A48 A48 A47 A48 A48
Motor Max Bhp, 3 Phase 2.4 2.9 3.7 2.4 2.9 3.7
RPM 1725 1725 1725 1725 1725 1725
Frame size 56Y 56Y 56HZ 56Y 56Y 56HZ
Heating Options D E F -
Heating model Low Med High -
1st. Stage Heat input (K Btu) 90 125 176 -
2nd. Stage Heat input (K Btu) 125 180 220 -
1st. Stage Heat output (K Btu) 72 100 141 -
2nd. Stage Heat output (K Btu) 100 144 176 -
AHRI HEATING
AFUE % -
PERFORMANCE
Steady state efficiency (%) 80 80 80 -
No. burners 3 4 5 -
No. stages 2 2 2 -
Temperature Rise Range (ºF) 25-41 36-59 43-72 -
Gas Limit Setting (ºF) 140 150 140 -
Gas piping connection (in.) 3/4 3/4 3/4 -
Quantity of fans 2 2
Fan diameter (Inch) 22 22
Type Prop Prop
Drive type Direct Direct
CONDENSER
Quantity of motors 2 2
FAN DATA
Motor HP each 1/2 1/2
No. speeds 1 1
RPM 1085 1085
Nominal total CFM 8600 8600
Airflow Option A B C A B C
Quantity 1 1 1 1 1 1
Fan Size (Inch) 15 x 15 15 x 15 15 x 15 15 x 15 15 x 15 15 x 15
Type Centrifugal Centrifugal
EVAP FAN DATA Motor Sheave 1VL34 1VL44 1VP50 1VL34 1VL44 1VP50
BELT DRIVE Blower Sheave AK74 AK74 AK74 AK74 AK74 AK74
Belt A47 A48 A50 A47 A48 A50
Motor Max Bhp, 3 Phase 2.4 2.4 3.7 2.4 2.4 3.7
RPM 1725 1725 1725 1725 1725 1725
Frame size 56Y 56Y 56HZ 56Y 56Y 56HZ
Heating Options D E F -
Heating model Low Med High -
1st. Stage Heat input (K Btu) 90 125 176 -
2nd. Stage Heat input (K Btu) 125 180 220 -
1st. Stage Heat output (K Btu) 72 100 141 -
2nd. Stage Heat output (K Btu) 100 144 176 -
AHRI HEATING
AFUE % -
PERFORMANCE
Steady state efficiency (%) 80 80 80 -
No. burners 3 4 5 -
No. stages 2 2 2 -
Temperature Rise Range (ºF) 22-36 31-52 38-64 -
Gas Limit Setting (ºF) 140 150 140 -
Gas piping connection (in.) 3/4 3/4 3/4 -
Quantity of fans 2 2
Fan diameter (Inch) 22 22
Type Prop Prop
Drive type Direct Direct
CONDENSER
Quantity of motors 2 2
FAN DATA
Motor HP each 1/2 1/2
No. speeds 1 1
RPM 1085 1085
Nominal total CFM 8600 8600
Airflow Option A B C A B C
Quantity 1 1 1 1 1 1
Fan Size (Inch) 15 x 15 15 x 15 15 x 15 15 x 15 15 x 15 15 x 15
Type Centrifugal Centrifugal
EVAP FAN Motor Sheave 1VL34 1VL44 1VP50 1VL34 1VL44 1VP50
DATA BELT DRIVE Blower Sheave AK74 AK74 AK74 AK74 AK74 AK74
Belt A47 A48 A50 A47 A48 A50
Motor Max Bhp, 3 Phase 2.4 2.4 3.7 2.4 2.4 3.7
RPM 1725 1725 1725 1725 1725 1725
Frame size 56Y 56Y 56HZ 56Y 56Y 56HZ
Heating Options D E F -
Heating model Low Med High -
1st. Stage Heat input (K Btu) 125 176 200 -
2nd. Stage Heat input (K Btu) 180 220 250 -
1st. Stage Heat output (K Btu) 100 141 160 -
2nd. Stage Heat output (K Btu) 144 176 200 -
AHRI HEATING
AFUE % -
PERFORMANCE
Steady state efficiency (%) 80 80 80 -
No. burners 4 5 5 -
No. stages 2 2 2 -
Temperature Rise Range (ºF) 27-44 33-54 37-62 -
Gas Limit Setting (ºF) 150 140 160 -
Gas piping connection (in.) 3/4 3/4 3/4 -
Quantity of fans 1 1
Fan diameter (Inch) 30 30
Type Prop Prop
Drive type Direct Direct
CONDENSER
Quantity of motors 1 1
FAN DATA
Motor HP each 1 1/2 1 1/2
No. speeds 1 1
RPM 1140 1140
Nominal total CFM 9700 9700
Airflow Option A B C A B C
Quantity 1 1 1 1 1 1
Fan Size (Inch) 15 x 15 15 x 15 15 x 15 15 x 15 15 x 15 15 x 15
Type Centrifugal Centrifugal
EVAP FAN Motor Sheave 1VL44 1VP50 1VP56 1VL44 1VP50 1VP56
DATA BELT DRIVE Blower Sheave AK79 AK79 BK85 AK79 AK79 BK85
Belt A50 A50 BX52 A50 A50 BX52
Motor Max Bhp, 3 Phase 2.4 3.7 5.25 2.4 3.7 5.25
RPM 1725 1725 1725 1725 1725 1725
Frame size 56Y 56HZ 145TY 56Y 56HZ 145TY
Heating Option L D M E
Heating Model Low (Low-NOx) Low Med (Low-NOx) Med
1st. Stage Heat input (K Btu) - - - -
2nd. Stage Heat input (K Btu) 56 70 90 112
1st. Stage Heat output (K Btu) - - - -
Heating Option L D M E
Heating Model Low (Low-NOx) Low Med (Low-NOx) Med
1st. Stage Heat input (K Btu) - - - 82
2nd. Stage Heat input (K Btu) 56 70 90 112
1st. Stage Heat output (K Btu) - - - 66
AHRI HEATING 2nd. Stage Heat output (K Btu) 45 56 72 90
PERFORMANCE
THREE PHASE Steady state efficiency (%) 80 80 80 80
No. burners 2 2 3 3
No. stages 1 1 1 2
Temperature Rise Range (ºF) 28-46 35-58 44-74 55-78
Gas Limit Setting (ºF) 150 150 140 140
Gas piping connection (in.) 1/2 1/2 1/2 1/2
Quantity of fans 1 1
Fan diameter (Inch) 22 22
Type Prop Prop
Drive type Direct Direct
CONDENSER FAN DATA Quantity of motors 1 1
Motor HP each 1/4 1/4
No. speeds 1 1
RPM 1100 1100
Nominal total CFM 3800 3800
Airflow Option A A
Quantity 1 1
Fan Size (Inch) 10 x 10 10 x 10
EVAP FAN DATA - DIRECT DRIVE
Type Centrifugal Centrifugal
Motor HP 3/4 3/4
Motor RPM 1050 1050
Airflow Option B C B C
Quantity 1 1 1 1
Fan Size (Inch) 10 x 10 10 x 10 10 x 10 10 x 10
Type Centrifugal Centrifugal Centrifugal Centrifugal
Motor Sheave 1VL34 1VL44 1VL34 1VL44
Blower Sheave AK46 AK46 AK46 AK46
EVAP FAN DATA - BELT DRIVE
Belt A39 A40 A39 A40
Motor HP, 1-phase 1.5 -- 1.5 --
Frame size, 1-phase 56HZ -- 56HZ --
Motor HP, 3-phase 2.4 2.4 2.4 2.4
Frame size, 3-phase 56Y 56Y 56Y 56Y
Motor RPM 1725 1725 1725 1725
Heating Option L D M E N F
Heating Model Low (Low-NOx) Low Med (Low-NOx) Med High, (Low-NOx) High
1st. Stage Heat input (K Btu) - - - - - -
2nd. Stage Heat input (K Btu) 56 70 90 112 116 142
1st. Stage Heat output (K Btu) - - - - - -
Heating Option L D M E N F
Heating Model Low (Low-NOx) Low Med (Low-NOx) Med High, (Low-NOx) High
1st. Stage Heat input (K Btu) - - - - - 100
2nd. Stage Heat input (K Btu) 56 70 90 112 118 145
1st. Stage Heat output (K Btu) - - - - - 80
AHRI HEATING 2nd. Stage Heat output (K Btu) 45 56 72 90 94 116
PERFORMANCE
THREE PHASE Steady state efficiency (%) 80 80 80 80 80 80
No. burners 2 2 3 3 3 3
No. stages 1 1 1 1 1 2
Temperature Rise Range (ºF) 21-35 26-43 33-56 41-69 44-73 49-77
Gas Limit Setting (ºF) 150 150 140 140 150 145
Gas piping connection (in.) 1/2 1/2 1/2 1/2 1/2 1/2
Quantity of fans 1 1
Fan diameter (Inch) 22 22
Type Prop Prop
Drive type Direct Direct
CONDENSER FAN DATA Quantity of motors 1 1
Motor HP each 1/4 1/4
No. speeds 1 1
RPM 1100 1100
Nominal total CFM 3800 3800
Airflow Option A A
Quantity 1 1
EVAP FAN DATA - DIRECT Fan Size (Inch) 10 x 10 10 x 10
DRIVE Type Centrifugal Centrifugal
Motor HP 1 1
Motor RPM 1050 1050
Airflow Option B C B C
Quantity 1 1 1 1
Fan Size (Inch) 10 x 10 10 x 10 10 x 10 10 x 10
Type Centrifugal Centrifugal Centrifugal Centrifugal
Motor Sheave 1VL34 1VL44 1VL34 1VL44
Blower Sheave AK46 AK46 AK46 AK46
EVAP FAN DATA - BELT DRIVE
Belt A39 A40 A39 A40
Motor HP, 1-phase 1.5 -- 1.5 --
Frame size, 1-phase 56HZ -- 56HZ --
Motor HP, 3-phase 2.4 2.4 2.4 2.4
Frame size, 3-phase 56Y 56Y 56Y 56Y
Motor RPM 1725 1725 1725 1725
Heating Option L D M E N F
Heating Model Low (Low-NOx) Low Med (Low-NOx) Med High, (Low-NOx) High
1st. Stage Heat input (K Btu) - - - - - -
2nd. Stage Heat input (K Btu) 56 70 90 112 116 142
1st. Stage Heat output (K Btu) - - - - - -
Heating Option L D M E N F
Heating Model Low (Low-NOx) Low Med (Low-NOx) Med High, (Low-NOx) High
1st. Stage Heat input (K Btu) - - - - - 100
2nd. Stage Heat input (K Btu) 56 70 90 112 118 145
1st. Stage Heat output (K Btu) - - - - - 80
AHRI HEATING 2nd. Stage Heat output (K Btu) 45 56 72 90 94 116
PERFORMANCE
THREE PHASE Steady state efficiency (%) 80 80 80 80 80 80
No. burners 2 2 3 3 3 3
No. stages 1 1 1 1 1 2
Temperature Rise Range (ºF) 17-28 21-35 27-44 33-55 35-58 43-72
Gas Limit Setting (ºF) 150 150 140 140 145 140
Gas piping connection (in.) 1/2 1/2 1/2 1/2 1/2 1/2
Quantity of fans 1 1
Fan diameter (Inch) 22 22
Type Prop Prop
Drive type Direct Direct
CONDENSER FAN DATA Quantity of motors 1 1
Motor HP each 1/2 1/2
No. speeds 1 1
RPM 1085 1085
Nominal total CFM 4600 4600
Airflow Option A A
Quantity 1 1
Fan Size (Inch) 11 x 10 11 x 10
EVAP FAN DATA - DIRECT DRIVE
Type Centrifugal Centrifugal
Motor HP 1 1
Motor RPM 1050 1050
Airflow Option B C B C
Quantity 1 1 1 1
Fan Size (Inch) 11 x 10 11 x 10 11 x 10 11 x 10
Type Centrifugal Centrifugal Centrifugal Centrifugal
Motor Sheave 1VL34 1VL44 1VL34 1VL44
Blower Sheave AK46 AK46 AK46 AK46
EVAP FAN DATA - BELT DRIVE
Belt A37 A39 A37 A39
Motor HP, 1-phase 1.5 -- 1.5 --
Frame size, 1-phase 56HZ -- 56HZ --
Motor HP, 3-phase 2.4 2.9 2.4 2.9
Frame size, 3-phase 56Y 56HZ 56Y 56HZ
Motor RPM 1725 1725 1725 1725
Capacity Performance
ZXA7, 08-14 Cooling Capacities
ZXA7 (6 Ton)
Air on Temperature of Air on Condenser Coil
Evaporator Coil Total Total Sensible Capacity (MBh) Total Total Sensible Capacity (MBh)
WB Capacity1 Input Return Dry Bulb (°F) Capacity1 Input Return Dry Bulb (°F)
CFM (MBh) (kW)2 (MBh) (kW)2
(°F) 90 85 80 75 70 65 90 85 80 75 70 65
75°F 85°F
77 89.8 4.1 45.1 37.4 29.8 - - - 84.7 4.6 41.2 34.3 27.5 - - -
72 82.1 4.0 55.6 47.1 38.5 30.0 - - 76.7 4.5 52.7 44.4 36.1 27.9 - -
1500
67 74.3 3.9 66.1 56.7 47.3 38.1 30.4 - 68.8 4.4 64.2 54.5 44.8 36.2 28.4 -
62 74.4 3.9 72.9 63.5 56.0 45.6 39.4 31.1 70.8 4.4 68.1 60.3 53.5 44.3 37.2 29.0
77 91.0 4.1 51.6 40.8 29.9 - - - 85.5 4.6 48.6 38.0 27.4 - - -
72 84.1 4.0 59.7 50.0 40.3 30.5 - - 78.8 4.5 57.1 47.5 37.8 28.2 - -
1800 67 77.2 4.0 67.8 59.2 50.6 40.3 31.1 - 72.1 4.5 65.5 56.9 48.3 38.3 28.9 -
62 74.7 4.0 73.8 67.4 60.9 49.4 41.3 31.5 71.2 4.5 69.9 64.3 58.7 48.0 39.1 29.3
57 60.7 3.9 60.7 60.7 60.7 60.7 51.6 41.7 59.4 4.5 59.4 59.4 59.4 59.2 49.3 39.5
77 92.2 4.1 58.1 44.1 30.1 - - - 86.4 4.6 56.0 41.7 27.4 - - -
72 86.2 4.1 63.9 52.9 42.0 31.1 - - 80.9 4.6 61.5 50.5 39.5 28.6 - -
2100 67 80.1 4.0 69.6 61.8 54.0 42.4 31.7 - 75.4 4.5 66.9 59.3 51.7 40.3 29.3 -
62 75.1 4.0 74.6 71.2 65.9 53.3 43.2 31.9 71.6 4.5 71.6 68.3 63.8 51.8 41.1 29.7
57 61.4 4.0 61.4 61.4 61.4 61.4 54.7 43.2 59.6 4.5 59.6 59.6 59.6 59.6 52.8 41.2
77 93.4 4.1 64.7 47.5 30.3 - - - 87.2 4.6 63.5 45.4 27.4 - - -
72 88.2 4.1 68.0 55.9 43.8 31.7 - - 83.0 4.6 65.9 53.5 41.2 28.9 - -
2400 67 83.0 4.0 71.3 64.3 57.3 44.5 32.3 - 78.7 4.5 68.2 61.7 55.1 42.3 29.8 -
62 75.4 4.0 75.4 75.1 70.8 57.1 45.1 32.3 72.0 4.5 72.0 72.0 69.0 55.6 43.0 30.0
57 62.1 4.0 62.1 62.1 62.1 62.1 57.9 44.7 59.7 4.5 59.7 59.7 59.7 59.7 56.2 42.8
72 90.2 4.1 72.1 58.8 45.5 32.3 - - 85.1 4.6 70.3 56.6 42.9 29.3 - -
67 85.9 4.0 73.1 66.8 60.6 46.7 33.0 - 82.1 4.6 69.6 64.1 58.6 44.4 30.3 -
2700
62 75.8 4.0 75.8 75.8 75.7 61.0 47.0 32.7 72.3 4.6 72.3 72.3 72.3 59.4 45.0 30.4
57 62.8 4.1 62.8 62.8 62.8 62.8 61.0 46.1 59.9 4.6 59.9 59.9 59.9 59.9 59.6 44.5
72 92.3 4.1 76.2 61.8 47.3 32.8 - - 87.2 4.6 74.7 59.6 44.6 29.6 - -
67 88.8 4.1 74.8 69.4 64.0 48.8 33.6 - 85.4 4.6 71.0 66.5 62.0 46.4 30.8 -
3000
62 76.2 4.1 76.2 76.2 76.2 64.8 48.9 33.0 72.7 4.6 72.7 72.7 72.7 63.1 46.9 30.7
57 63.5 4.1 63.5 63.5 63.5 63.5 63.5 47.6 60.0 4.6 60.0 60.0 60.0 60.0 60.0 46.2
95°F 105°F
77 79.5 5.1 37.2 31.2 25.1 - - - 76.5 5.8 35.3 29.1 23.0 - - -
72 71.4 5.0 49.7 41.7 33.8 25.8 - - 67.1 5.7 47.4 39.5 31.6 23.6 - -
1500
67 63.2 4.9 62.2 52.3 42.4 34.4 26.4 - 57.7 5.7 57.7 49.9 40.2 32.1 24.1 -
62 67.3 4.9 63.3 57.2 51.0 43.0 34.9 26.8 63.8 5.7 59.9 54.3 48.7 40.6 32.4 24.3
77 80.0 5.1 45.6 35.2 24.9 - - - 75.3 5.8 43.6 33.2 22.7 - - -
72 73.5 5.0 54.4 44.9 35.4 25.9 - - 68.5 5.8 52.0 42.5 33.1 23.7 - -
1800 67 67.0 5.0 63.2 54.6 45.9 36.3 26.7 - 61.6 5.7 60.3 51.9 43.5 33.9 24.4 -
62 67.7 5.0 66.1 61.3 56.4 46.7 36.9 27.1 64.0 5.7 62.4 58.2 53.9 44.2 34.5 24.7
57 58.2 5.0 58.2 58.2 58.2 57.0 47.1 37.2 59.6 5.7 59.6 59.6 59.6 54.4 44.5 34.6
77 80.5 5.1 53.9 39.3 24.7 - - - 74.2 5.8 52.0 37.2 22.5 - - -
72 75.6 5.1 59.1 48.1 37.1 26.1 - - 69.8 5.8 56.5 45.6 34.7 23.8 - -
2100 67 70.7 5.0 64.2 56.8 49.4 38.2 27.0 - 65.4 5.7 61.0 54.0 46.9 35.8 24.7 -
62 68.1 5.0 68.1 65.4 61.8 50.4 38.9 27.4 64.3 5.7 64.3 62.0 59.1 47.8 36.5 25.1
57 57.8 5.0 57.8 57.8 57.8 57.8 50.8 39.1 58.0 5.7 58.0 58.0 58.0 58.0 47.6 35.7
77 81.1 5.1 62.3 43.4 24.4 - - - 73.0 5.8 60.3 41.3 22.2 - - -
72 77.8 5.1 63.7 51.2 38.7 26.2 - - 71.2 5.8 61.0 48.6 36.2 23.9 - -
2400 67 74.5 5.0 65.2 59.1 53.0 40.1 27.3 - 69.3 5.8 61.7 56.0 50.3 37.6 25.0 -
62 68.5 5.0 68.5 68.5 67.2 54.1 40.9 27.7 64.5 5.7 64.5 64.5 64.3 51.4 38.5 25.6
57 57.4 5.0 57.4 57.4 57.4 57.4 54.5 41.0 56.4 5.7 56.4 56.4 56.4 56.4 50.6 36.7
72 79.9 5.1 68.4 54.4 40.3 26.3 - - 72.5 5.8 65.5 51.7 37.8 23.9 - -
67 78.2 5.1 66.1 61.3 56.5 42.0 27.6 - 73.2 5.8 62.4 58.0 53.6 39.5 25.3 -
2700
62 68.9 5.1 68.9 68.9 68.9 57.8 42.9 28.0 64.8 5.8 64.8 64.8 64.8 55.0 40.5 26.0
57 57.0 5.1 57.0 57.0 57.0 57.0 57.0 42.9 54.7 5.8 54.7 54.7 54.7 54.7 53.6 37.8
72 82.0 5.1 73.1 57.5 42.0 26.4 - - 73.8 5.8 70.1 54.7 39.4 24.0 - -
67 81.9 5.1 67.1 63.5 60.0 43.9 27.9 - 77.0 5.8 63.1 60.1 57.0 41.3 25.6 -
3000
62 69.3 5.1 69.3 69.3 69.3 61.5 44.9 28.4 65.0 5.8 65.0 65.0 65.0 58.6 42.5 26.5
57 56.6 5.1 56.6 56.6 56.6 56.6 56.6 44.9 53.1 5.8 53.1 53.1 53.1 53.1 53.1 38.8
1. These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBh = 3.415 x kW). Refer to the appropriate
Blower Performance Table for the kW of the supply air blower motor.
2. These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
1. These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBh = 3.415 x kW). Refer to the appropriate
Blower Performance Table for the kW of the supply air blower motor.
2. These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
1. These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBh = 3.415 x kW). Refer to the appropriate
Blower Performance Table for the kW of the supply air blower motor.
2. These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
1. These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBh = 3.415 x kW). Refer to the appropriate
Blower Performance Table for the kW of the supply air blower motor.
2. These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
1. These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBh = 3.415 x kW). Refer to the appropriate
Blower Performance Table for the kW of the supply air blower motor.
2. These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
1. These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBh = 3.415 x kW). Refer to the appropriate
Blower Performance Table for the kW of the supply air blower motor.
2. These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
1. These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBh = 3.415 x kW). Refer to the appropriate
Blower Performance Table for the kW of the supply air blower motor.
2. These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
1. These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBh = 3.415 x kW). Refer to the appropriate
Blower Performance Table for the kW of the supply air blower motor.
2. These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
1. These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBh = 3.415 x kW). Refer to the appropriate
Blower Performance Table for the kW of the supply air blower motor.
2. These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
1. These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBh = 3.415 x kW). Refer to the appropriate
Blower Performance Table for the kW of the supply air blower motor.
2. These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
1. These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBh = 3.415 x kW). Refer to the appropriate
Blower Performance Table for the kW of the supply air blower motor.
2. These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
1. These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBh = 3.415 x kW). Refer to the appropriate
Blower Performance Table for the kW of the supply air blower motor.
2. These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
1. These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBh = 3.415 x kW). Refer to the appropriate
Blower Performance Table for the kW of the supply air blower motor.
2. These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
1. These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBh = 3.415 x kW). Refer to the appropriate
Blower Performance Table for the kW of the supply air blower motor.
2. These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
1. These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBh = 3.415 x kW). Refer to the appropriate
Blower Performance Table for the kW of the supply air blower motor.
2. These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
1. These capacities are gross ratings. For net capacity, deduct the supply air blower motor heat (MBh = 3.415 x kW). Refer to the appropriate
Blower Performance Table for the kW of the supply air blower motor.
2. These ratings include the condenser fan motors (total 1 kW) and the compressor motors but not the supply air blower motor.
Drive Selection
Airflow Performance
Example Supply Air Blower Performance
ZY08 (7.5 Ton) Bottom Duct
Available External Static, IWG
CFM 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
2250 556 0.45 621 0.65 683 0.83 742 1.00 798 1.18 852 1.34 904 1.51 954 1.69 1003 1.87 1050 2.06
2400 567 0.53 632 0.73 694 0.91 753 1.09 809 1.26 863 1.43 914 1.60 964 1.77 1013 1.95 1060 2.14
2600 580 0.65 646 0.85 707 1.03 766 1.21 823 1.38 876 1.55 928 1.72 978 1.89 1027 2.07 1074 2.27
2800 595 0.79 660 0.99 722 1.17 780 1.35 837 1.52 890 1.69 942 1.86 992 2.03 1041 2.21 1088 2.40
3000 609 0.94 674 1.14 736 1.32 795 1.50 851 1.67 905 1.83 957 2.00 1007 2.18 1056 2.36 1100 2.55
3200 625 1.10 690 1.30 752 1.48 810 1.66 867 1.83 921 2.00 972 2.17 1022 2.34 1071 2.52 -- --
3400 641 1.28 706 1.47 768 1.66 827 1.83 883 2.00 937 2.17 989 2.34 1039 2.52 1087 2.70 '-- --
Altitude and Temperature Correction for CFM, Static use the indoor blower tables for high altitude applications,
Pressure and Power. certain corrections are necessary.
The information below should be used to assist in application of A centrifugal fan is a "constant volume" device. This means
product when being applied at altitudes at or exceeding 1000 that, if the RPM remains constant, the CFM delivered is the
feet above sea level. same regardless of the density of the air. However, since the air
at high altitude is less dense, less static pressure will be
The air flow rates listed in the standard blower performance
generated and less power will be required than a similar
tables are based on standard air at sea level. As the altitude or
application at sea level. Air density correction factors are shown
temperature increases, the density of air decreases. In order to
below.
Altitude/Temperature Correction Factors
Air Altitude (Ft.)
Temp. 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000
40 1.060 1.022 0.986 0.950 0.916 0.882 0.849 0.818 0.788 0.758 0.729
50 1.039 1.002 0.966 0.931 0.898 0.864 0.832 0.802 0.772 0.743 0.715
60 1.019 0.982 0.948 0.913 0.880 0.848 0.816 0.787 0.757 0.729 0.701
70 1.000 0.964 0.930 0.896 0.864 0.832 0.801 0.772 0.743 0.715 0.688
80 0.982 0.947 0.913 0.880 0.848 0.817 0.787 0.758 0.730 0.702 0.676
90 0.964 0.929 0.897 0.864 0.833 0.802 0.772 0.744 0.716 0.689 0.663
100 0.946 0.912 0.880 0.848 0.817 0.787 0.758 0.730 0.703 0.676 0.651
1.100
1.050
1.000
Sea Level
0.950
Correction Factor
1000 ft
0.900 2000 ft
3000 ft
0.850
4000 ft
0.800 5000 ft
6000 ft
0.750 7000 ft
8000 ft
0.700
9000 ft
10000 ft
0.650
0.600
40 50 60 70 80 90 100
Air Temperature (ºF)
The examples below will assist in determining the airflow blower tables to select the blower speed and the BHP
performance of the product at altitude. requirement.
Example 1: What are the corrected CFM, static pressure, and Solution: As in the example above, no temperature
BHP at an elevation of 5,000 ft. if the airflow performance data information is given so 70°F is assumed.
is 3,000 CFM, 1.4 IWC and 2.0 BHP?
The 1.4" static pressure given is at an elevation of 5,000 ft. The
Solution: At an elevation of 5,000 ft. the indoor blower will still first step is to convert this static pressure to equivalent sea level
deliver 3,000 CFM if the rpm is unchanged. However, the Altitude conditions.
correction must be used to determine the static pressure and
Sea level static pressure = 1.4" / .832 = 1.68"
BHP. Since no temperature data is given, we will assume an Air
Temperature of 70°F. The Altitude/Temperature Factors show Enter the Supply Air Blower Performance Table at 3,000 CFM
the correction factor to be 0.832. and static pressure of 1.68". The rpm listed will be the same
rpm needed at 5,000 ft.
Corrected static pressure = 1.4 x 0.832 = 1.16 IWC
Corrected BHP = 2.0 x 0.832 = 1.66 Suppose that the corresponding BHP listed in the table is 2.0.
Example 2: A system, located at 5,000 feet of elevation, is to This value must be corrected for elevation.
deliver 3,000 CFM at a static pressure of 1.4". Use the unit BHP at 5,000 ft. = 2.0 x .832 = 1.66
RPM Selection
Size Airflow MAX Blower Motor 6 Turns 5 Turns 4 Turns 3 Turns 2 Turns 1 Turns Fully
Model Phase
(Tons) Option BHP Sheave Sheave Open Open Open Open Open Open Closed
Std. 3 2.4 AK51 1VL34 N/A 707 782 856 931 1005 1080
A7
ZX Med. 3 2.9 AK51 1VL44 N/A 1043 1117 1191 1266 1340 1415
(6)
H. Static 3 3.7 AK51 1VP50 N/A 1266 1340 1415 1489 1564 1638
Std. 3 2.4 AK74 1VL34 N/A 475 525 575 625 675 725
08
ZX Med. 3 2.9 AK74 1VL44 N/A 700 750 800 850 900 950
(7.5)
H. Static 3 3.7 AK74 1VP50 N/A 850 900 950 1000 1050 1100
Std. 3 2.4 AK74 1VL34 N/A 475 525 575 625 675 725
09
ZX Med. 3 2.4 AK74 1VL44 N/A 700 750 800 850 900 950
(8.5)
H. Static 3 3.7 AK74 1VP50 N/A 850 900 950 1000 1050 1100
Std. 3 2.4 AK79 1VL44 N/A 653 700 747 793 840 887
12
ZX Med. 3 3.7 AK79 1VP50 N/A 793 840 887 933 980 1027
(10)
H. Static 3 5.25 BK85 1VP56 953 997 1041 1085 1130 1174 N/A
Std. 3 2.9 AK79 1VL44 N/A 653 700 747 793 840 887
14
ZX Med. 3 3.7 AK79 1VP50 N/A 793 840 887 933 980 1027
(12)
H. Static 3 5.25 BK85 1VP56 953 997 1041 1085 1130 1174 N/A
Std. Direct Drive
04 Med. 1 1.5 AK46 1VL34 N/A 792 875 958 1042 1125 1208
ZY
(3) Med. 3 2.4 AK46 1VL34 N/A 792 875 958 1042 1125 1208
H. Static 3 2.4 AK46 1VL44 N/A 1167 1250 1333 1417 1500 1593
Std. Direct Drive
05 Med. 1 1.5 AK46 1VL34 N/A 792 875 958 1042 1125 1208
ZY
(4) Med. 3 2.4 AK46 1VL34 N/A 792 875 958 1042 1125 1208
H. Static 3 2.9 AK46 1VL44 N/A 1167 1250 1333 1417 1500 1593
Std. Direct Drive
06 Med. 1 1.5 AK46 1VL34 N/A 792 875 958 1042 1125 1208
ZY
(5) Med. 3 2.4 AK46 1VL34 N/A 792 875 958 1042 1125 1208
H. Static 3 2.9 AK46 1VL44 N/A 1167 1250 1333 1417 1500 1593
Std. 3 2.4 AK74 1VL34 N/A 475 525 575 625 675 725
07
ZY Med. 3 2.9 AK74 1VL44 N/A 700 750 800 850 900 950
(6)
H. Static 3 3.7 AK74 1VP50 N/A 850 900 950 1000 1050 1100
Std. 3 2.4 AK74 1VL34 N/A 475 525 575 625 675 725
A7
ZY Med. 3 2.9 AK74 1VL44 N/A 700 750 800 850 900 950
(6)
H. Static 3 3.7 AK74 1VP50 N/A 850 900 950 1000 1050 1100
Std. 3 2.4 AK74 1VL34 N/A 475 525 575 625 675 725
08
ZY Med. 3 2.4 AK74 1VL44 N/A 700 750 800 850 900 950
(7.5)
H. Static 3 3.7 AK74 1VP50 N/A 850 900 950 1000 1050 1100
Std. 3 2.4 AK74 1VL34 N/A 475 525 575 625 675 725
09
ZY Med. 3 2.4 AK74 1VL44 N/A 700 750 800 850 900 950
(8.5)
H. Static 3 3.7 AK74 1VP50 N/A 850 900 950 1000 1050 1100
Std. 3 2.4 AK79 1VL44 N/A 653 700 747 793 840 887
12
ZY Med. 3 3.7 AK79 1VP50 N/A 793 840 887 933 980 1027
(10)
H. Static 3 5.25 BK85 1VP56 953 997 1041 1085 1130 1174 N/A
Std. Direct Drive
04 Med. 1 1.5 AK46 1VL34 N/A 792 875 958 1042 1125 1208
ZQ
(3) Med. 3 2.4 AK46 1VL34 N/A 792 875 958 1042 1125 1208
H. Static 3 2.4 AK46 1VL44 N/A 1167 1250 1333 1417 1500 1593
Std. Direct Drive
05 Med. 1 1.5 AK46 1VL34 N/A 792 875 958 1042 1125 1208
ZQ
(4) Med. 3 2.4 AK46 1VL34 N/A 792 875 958 1042 1125 1208
H. Static 3 2.4 AK46 1VL44 N/A 1167 1250 1333 1417 1500 1593
Std. Direct Drive
06 Med. 1 1.5 AK46 1VL34 N/A 792 875 958 1042 1125 1208
ZQ
(5) Med. 3 2.4 AK46 1VL34 N/A 792 875 958 1042 1125 1208
H. Static 3 2.9 AK46 1VL44 N/A 1167 1250 1333 1417 1500 1593
Airflow Performance
ZXA7, 08-14 Side Duct Application (Belt Drive)
1. Blower performance includes gas heat exchangers and 2” filters. See STATIC RESISTANCE table for additional applications.
Note: See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP.
kW = 0.857 x BHP for Standard Static option, kW = 0.829 x BHP for Medium and High Static options
1. Blower performance includes gas heat exchangers and 2” filters. See STATIC RESISTANCE table for additional applications.
Note: See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP.
kW = 0.929 x BHP
1. Blower performance includes gas heat exchangers and 2” filters. See STATIC RESISTANCE table for additional applications.
Note: See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP.
kW = 0.929 x BHP
1. Blower performance includes gas heat exchangers and 2” filters. See STATIC RESISTANCE table for additional applications.
Note: See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP.
kW = 0.929 x BHP
1. Blower performance includes gas heat exchangers and 2” filters. See STATIC RESISTANCE table for additional applications.
Note: See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP.
kW = 0.929 x BHP
1. Blower performance includes gas heat exchangers and 2” filters. See STATIC RESISTANCE table for additional applications.
Note: See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP.
kW = 0.929 x BHP
1. Blower performance includes gas heat exchangers and 2” filters. See STATIC RESISTANCE table for additional applications.
Note: See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP.
kW = 0.929 x BHP
cfm cfm
0 500 1000 1500 2000 0 500 1000 1500 2000 2500
250 1.00 250 1.00
230V
150 0.60 150 0.60
In.
Pa In.
WG Pa
WG
100 0.40 100 0.40
Forbidden area
Forbidden area 230V
0 0 0 0
0 500 1000 1500 2000 2500 3000 3500 4000 0 500 1000 1500 2000 2500 3000 3500 4000 4500
Air volume[CMH] Air volume[CMH]
208/280-1-60 Power Exhaust Fan Curve 208/280-3-60 Power Exhaust Fan Curve
cfm cfm
0 500 1000 1500 2000 2500 0 500 1000 1500 2000 2500
250 1.00 250 1.00
460V 575V
150 0.60 150 0.60
In. In.
Pa Pa
WG WG
50 0.20 50 0.20
0 0 0 0
0 500 1000 1500 2000 2500 3000 3500 4000 4500 0 500 1000 1500 2000 2500 3000 3500 4000 4500
Air volume[CMH] Air volume[CMH]
460-3-60 Power Exhaust Fan Curve 575-3-50 Power Exhaust Fan Curve
Electrical Data
ZXA7, 08-14 Standard Static Indoor Blower - Without Powered Convenience Outlet
ZXA7, 08-14 Standard Static Indoor Blower - Without Powered Convenience Outlet (Continued)
ZXA7, 08-14 Standard Static Indoor Blower - With Powered Convenience Outlet
ZXA7, ZX08-14 Medium Static Indoor Blower - Without Powered Convenience Outlet
ZXA7, ZX08-14 Medium Static Indoor Blower - Without Powered Convenience Outlet (Continued)
ZXA7, ZX08-14 Medium Static Indoor Blower - With Powered Convenience Outlet
ZXA7, ZX08-14 Medium Static Indoor Blower - With Powered Convenience Outlet (Continued)
ZXA7, 08-14 Hi Static Indoor Blower - Without Powered Convenience Outlet (Continued)
ZXA7, 08-14 Hi Static Indoor Blower - With Powered Convenience Outlet (Continued)
ZY04-12 Standard Static Indoor Blower - Without Powered Convenience Outlet (Continued)
ZY04-12 Standard Static Indoor Blower - Without Powered Convenience Outlet (Continued)
ZY04-12 Standard Static Indoor Blower - Without Powered Convenience Outlet (Continued)
ZY04-12 Standard Static Indoor Blower - Without Powered Convenience Outlet (Continued)
ZY04-12 Standard Static Indoor Blower - With Powered Convenience Outlet (Continued)
ZY04-12 Standard Static Indoor Blower - With Powered Convenience Outlet (Continued)
ZY04-12 Standard Static Indoor Blower - With Powered Convenience Outlet (Continued)
ZY04-12 Standard Static Indoor Blower - With Powered Convenience Outlet (Continued)
ZY04-12 Medium Static Indoor Blower - Without Powered Convenience Outlet (Continued)
ZY04-12 Medium Static Indoor Blower - Without Powered Convenience Outlet (Continued)
ZY04-12 Medium Static Indoor Blower - Without Powered Convenience Outlet (Continued)
ZY04-12 Medium Static Indoor Blower - Without Powered Convenience Outlet (Continued)
ZY04-12 Medium Static Indoor Blower - With Powered Convenience Outlet (Continued)
ZY04-12 Medium Static Indoor Blower - With Powered Convenience Outlet (Continued)
ZY04-12 Medium Static Indoor Blower - With Powered Convenience Outlet (Continued)
ZY04-12 Medium Static Indoor Blower - With Powered Convenience Outlet (Continued)
ZY04-12 High Static Indoor Blower - Without Powered Convenience Outlet (Continued)
ZY04-12 High Static Indoor Blower - Without Powered Convenience Outlet (Continued)
ZY04-12 High Static Indoor Blower - Without Powered Convenience Outlet (Continued)
ZY04-12 High Static Indoor Blower - With Powered Convenience Outlet (Continued)
ZY04-12 High Static Indoor Blower - With Powered Convenience Outlet (Continued)
ZY04-12 High Static Indoor Blower - With Powered Convenience Outlet (Continued)
ZQ04-06 Standard Static Indoor Blower - Without Powered Convenience Outlet (Continued)
ZQ04-06 Standard Static Indoor Blower - With Powered Convenience Outlet (Continued)
ZQ04-06 Medium Static Indoor Blower - Without Powered Convenience Outlet (Continued)
ZQ04-06 Medium Static Indoor Blower - With Powered Convenience Outlet (Continued)
Typical ZY/ZQ04-06 Cooling Unit w/wo Gas Heat 208/230-3-60 Direct Drive Elementary Diagram Power Circuit
Typical ZY/ZQ04-06 Cooling Unit w/wo Gas Heat 460-3-60 Direct Drive Elementary Diagram Power Circuit
Typical ZY/ZQ04-06 Cooling Unit w/wo Gas Heat 208/230-1-60 Belt Drive Elementary Diagram Power Circuit
Typical ZXEA7 Cooling Unit w/wo Electric Heat w/wo VFD 208/230-3-60 Belt Drive - Elementary Diagram Power Circuit
Typical ZXEA7 Cooling Unit w/wo Electric Heat w/wo VFD 460-3-60 Belt Drive - Elementary Diagram Power Circuit
Typical ZXEA7 Cooling Unit w/wo Electric Heat w/wo VFD 575-3-60 Belt Drive - Elementary Diagram Power Circuit
Typical ZX08/ZY04-06/ZQ04-06 Cooling Unit w/wo Gas Heat 208/230-3-60 Belt Drive Elementary Diagram Power Circuit
Typical ZX09/ZY07 Cooling Unit w/wo Gas Heat 208/230-3-60 Belt Drive Elementary Diagram Power Circuit
Typical ZYEA7 Cooling Unit w/wo Electric Heat w/wo VFD 208/230-3-60 Belt Drive - Elementary Diagram Power Circuit
Typical ZX12/ZY08, 09 Cooling Unit w/wo Gas Heat 208/230-3-60 Belt Drive Elementary Diagram Power Circuit
Typical ZX08/ZY04-06/ZQ04-06 Cooling Unit w/wo Gas Heat 460/575-3-60 Belt Drive Elementary Diagram Power Circuit
Typical ZX12/ZY08, 09 Cooling Unit w/wo Gas Heat 460/575-3-60 Belt Drive Elementary Diagram Power Circuit
Typical ZX14/ZY12 Cooling Unit w/wo Gas Heat 460/575-3-60 Belt Drive Elementary Diagram Power Circuit
Typical ZX12/ZY08, 09 Cooling Unit with VFD w/wo Gas Heat 208/230-3-60 Belt Drive Elementary Diagram Power Circuit
Typical ZX14/ZY12 Cooling Unit with VFD w/wo Gas Heat 208/230-3-60 Belt Drive Elementary Diagram Power Circuit
Typical ZX12/ZY08, 09 Cooling Unit with VFD w/wo Gas Heat 460/575-3-60 Belt Drive Elementary Diagram Power Circuit
Typical ZX14/ZY12 Cooling Unit with VFD w/wo Gas Heat 460/575-3-60 Belt Drive Elementary Diagram Power Circuit
Typical ZY/ZQ04-06 Cooling Unit w Gas Heat 208/230-1-60 Direct Drive Elementary Diagram Power Circuit for FER
Typical ZY/ZQ04-06 Cooling Unit Direct Drive Elementary Diagram Control Circuit
Typical ZY/ZQ04-06 Cooling Unit with Gas Heat Direct Drive Elementary Diagram Control Circuit
Typical ZXEA7 Cooling Unit w/wo Electric Heat w/wo VFD Belt Drive - Elementary Diagram Control Circuit
Typical ZXA7 Cooling Unit with Gas Heat w/wo VFD Belt Drive - Elementary Diagram Control Circuit
Typical ZYEA7 Cooling Unit w/wo Electric Heat w/wo VFD Belt Drive - Elementary Diagram Control Circuit
Typical ZYA7 Cooling Unit with Gas Heat w/wo VFD Belt Drive - Elementary Diagram Control Circuit
Typical ZX08-09/ZY04-07/ZQ04-06 Cooling Unit Belt Drive Elementary Diagram Control Circuit
Typical ZX08-09/ZY04-07/ZQ04-06 Cooling Unit with Gas Heat Belt Drive Elementary Diagram Control Circuit
Typical ZX12, 14/ZY09-12 Cooling Unit Belt Drive w/wo VFD Elementary Diagram Control Circuit
Typical ZX12, 14/ZY09-12 Cooling Unit with Gas Heat Belt Drive w/wo VFD Elementary Diagram Control Circuit
Typical ZY/ZQ04-06 Cooling Unit w Gas Heat 208/230-1-60 Direct Drive Elementary Diagram Control Circuit for FER
X
Y
FRONT
LEFT
Size Weight (lbs.) Center of Gravity 4 point Load Location (lbs.) 6 point Load Location (lbs.)
Model
(Tons) Shipping Operating X Y A B C D A B C D E F
A7
ZXE 634 614 34 25 168 146 139 160 115 104 95 91 99 109
(6)
08
ZXE 796 791 47 36 214 248 177 152 139 153 169 121 109 99
(7.5)
09
ZXE 857 852 46 36 230 262 192 168 150 163 178 131 120 110
(8.5)
12
ZXE 884 879 46 36 242 271 193 172 158 171 184 131 122 113
(10)
14
ZXE 946 941 45 36 265 284 203 189 175 183 192 137 130 125
(12.5)
04
ZYE 486 481 36 25 127 118 113 122 86 82 78 75 78 82
(3)
05
ZYE 569 564 36 25 145 140 137 142 97 95 93 91 93 95
(4)
06
ZYE 587 582 36 25 151 145 140 146 101 99 96 93 95 98
(5)
07
ZYE 739 734 44 36 208 213 158 154 138 140 143 106 104 103
(6)
A7
ZYE 849 829 45 35 229 244 183 172 151 158 165 124 118 113
(6)
08
ZYE 883 878 46 36 239 271 196 173 156 169 184 133 122 113
(7.5)
09
ZYE 878 878 46 36 241 265 195 177 158 168 180 132 124 116
(8.5)
12
ZYE 907 902 47 36 239 278 207 178 155 171 190 142 128 116
(10)
04
ZQE 479 450 36 26 121 117 104 108 81 79 78 69 71 72
(3)
05
ZQE 516 487 36 26 131 124 113 119 88 85 82 75 77 80
(4)
06
ZQE 595 566 38 25 142 146 141 137 94 96 98 94 93 91
(5)
Size Weight (lbs.) Center of Gravity 4 point Load Location (lbs.) 6 point Load Location (lbs.)
Model
(Tons) Shipping Operating X Y A B C D A B C D E F
A7
ZXG 688 668 34 25 183 159 152 174 125 114 104 99 108 119
(6)
08
ZXG 898 893 46 37 251 285 190 168 164 178 194 129 119 109
(7.5)
09
ZXG 959 954 45 36 269 291 205 189 177 186 197 138 131 125
(8.5)
12
ZXG 990 985 45 37 284 301 206 194 187 195 203 139 133 128
(10)
14
ZXG 1052 1047 44 37 304 312 218 212 202 205 209 146 144 141
(12.5)
04
ZYG 532 527 36 27 147 136 117 126 99 94 90 77 81 85
(3)
05
ZYG 623 618 36 26 167 156 142 152 113 108 103 94 98 103
(4)
06
ZYG 641 636 35 26 174 159 144 159 118 111 104 95 101 108
(5)
07
ZYG 809 804 43 37 240 236 163 166 161 159 157 108 109 111
(6)
A7
ZYG 919 899 45.0 35 249 265 199 187 164 171 179 134 128 123
(6)
08
ZYG 985 980 44 37 290 297 199 195 192 195 198 133 131 129
(7.5)
09
ZYG 980 980 45 36 279 292 209 200 184 190 196 141 136 132
(8.5)
12
ZYG 1013 1008 45 36 285 300 217 206 189 195 202 146 141 136
(10)
04
ZQG 527 498 36 27 141 132 109 116 95 91 87 72 75 79
(3)
05
ZQG 567 538 35 26 147 135 123 134 99 94 89 81 85 90
(4)
06
ZQG 644 615 36 26 168 157 140 150 113 108 103 93 97 101
(5)
ZY04-06, ZXA7, and ZQ04-06 Unit Clearances ZX08-14, ZY07-12 Unit Clearances
Direction Distance (in.) Direction Distance (in.) Direction Distance (in.) Direction Distance (in.)
Top 1
72 Right 18 Top1 72 Right 18
Front 36 Left 12 Front 48 Left 12
Rear 2
18 /36 3
Bottom 4
1 Rear 182/363 Bottom4 1
1. Units must be installed outdoors. Over hanging structure or 1. Units must be installed outdoors. Over hanging structure or
shrubs should not obscure condenser air discharge outlet. shrubs should not obscure condenser air discharge outlet.
2. Units without economizer or power exhaust. 2. Units without economizer or power exhaust.
3. Units equipped with an Economizer or Power Exhaust. Flue 3. Units equipped with an Economizer or Power Exhaust. Flue
products must not be discharged within 10 Feet of the rear of products must not be discharged within 10 Feet of the rear of
the unit. the unit.
4. Units may be installed on combustible floors made from 4. Units may be installed on combustible floors made from wood
wood or class A, B or C roof covering materials. or class A, B or C roof covering materials.
70.875 O.D.
67.375 I.D.
RN
32.188
RETU
RN
TU
RE
13.781
3.000
LY
37.188
PP
I.D.
SU
RIGHT
LY
FRONT
SU
RIGHT
4.961 14.000
5.422 FRONT
17.781
40.688 O.D.
70.871 40.684
Notes:
1. Sides, ends and cross support are 18-G90. Deck pans, R/A & S/A supports are 20-G90.
2. Full perimeter wood nailer.
3. Insulated deck pans.
NOTE: If utilities are required thru the base of the unit or thru
Unit Models used with 1RC0456, 1RC0458 Roof Curb the roof curb the following field installed accessories
ZY04 ZQ04 ZXA7 can be purchased thru your dealer or contractor:
ZY05 ZQ05 1TB0401 - Thru the base electrical and thru the curb gas
ZY06 ZQ06 1TB0403 - Thru the base electrical and gas
81.750 O.D.
78.250 I.D.
40.188
RN
RN
TU
RETU
RE
15.469
3.000
50.000
I.D. RIGHT
LY
LY
PP
PP
34.313 31.531
SU
SU
11.417
15.813
FRONT
6.043 RIGHT
4.173
26.000
FRONT 24.813
81.746 53.496
NOTE: If utilities are required thru the base of the unit or thru
Unit Models used with 1RC0457, 1RC0459 Roof Curb the roof curb the following field installed accessories
ZYA7 can be purchased thru your dealer or contractor:
ZX08 ZY07 1TB0402 - Thru the base electrical and thru the curb gas
ZX09 ZY08 1TB0404 - Thru the base electrical and gas
ZX12 ZY09
ZX14 ZY12
Economizer Options
Economizer Usage
Application Description Accessory Kit Number
Econ, DB, Vertical Flow, Small Footprint 2EE04706724
Economizer Vertical Flow
Econ, DB, Vertical Flow, Large Footprint 2EE04706824
Econ, DB, Horizontal Flow, Small Footprint, Short Cabinet 2EE04707024
Econ, DB, Horizontal Flow, Small Footprint, Tall Cabinet 2EE04707124
Economizer Horizontal Flow
Econ, DB, Horizontal Flow, Large Footprint, Short Cabinet 2EE04707224
Econ, DB, Horizontal Flow, Large Footprint, Tall Cabinet 2EE04707324
Power Exhaust Vert Flow Small Footprint 208V-230V 1-ph 2PE04704206
Power Exhaust Vert Flow Small Footprint 208V-230V 3-ph 2PE04704225
Power Exhaust Vert Flow Small Footprint 460V 3-ph 2PE04704246
Power Exhaust Vert Flow Small Footprint 575V 3-ph 2PE04704258
Power Exhaust Vertical Flow
Power Exhaust Vert Flow Large Footprint 208V-230V 1-ph 2PE04704306
Power Exhaust Vert Flow Large Footprint 208V-230V 3-ph 2PE04704325
Power Exhaust Vert Flow Large Footprint 460V 3-ph 2PE04704346
Power Exhaust Vert Flow Large Footprint 575V 3-ph 2PE04704358
Power Exhaust Horiz Flow Small Footprint 208V-230V 1-ph 2PE04704406
Power Exhaust Horiz Flow Small Footprint 208V-230V 3-ph 2PE04704425
Power Exhaust Horiz Flow Small Footprint 460V 3-ph 2PE04704446
Power Exhaust Horiz Flow Small Footprint 575V 3-ph 2PE04704458
Power Exhaust Horizontal Flow
Power Exhaust Horiz Flow Large Footprint 208V-230V 1-ph 2PE04704506
Power Exhaust Horiz Flow Large Footprint 208V-230V 3-ph 2PE04704525
Power Exhaust Horiz Flow Large Footprint 460V 3-ph 2PE04704546
Power Exhaust Horiz Flow Large Footprint 575V 3-ph 2PE04704558
Field Installed Vertical Flow Economizer
Guide Specifications
Number Title
48HC
23 09 13.23.A. Thermostats
1. Thermostat must
a. energize “G” when calling for fan only or continuous fan.
b. have capability to energize 2 different stages of cooling, and 2 different stages of heating.
c. include capability for occupancy scheduling.
23 09 23 Direct- digital Control system for HVAC
6. Shall accept the following inputs: space temperature, setpoint adjustment, outdoor air temperature, indoor air
quality, outdoor air quality, compressor lock- out, fire shutdown, enthalpy switch, and fan status/filter status/
humidity/ remote occupancy.
7. Software upgrades will be accomplished by either local or remote download. No software upgrades through
chip replacements are allowed.
23 09 33 Electric and Electronic Control System for HVAC
(2.) Optional, factory- approved, water- tight connection method must be used for thru- the- base electrical
connections.
(3.) No base-pan penetration, other than those authorized by the manufacturer, is permitted.
9. Component access panels (standard)
a. Cabinet panels shall be easily removable for servicing.
b. Unit shall have one factory installed, toolless, removable, filter access panel.
c. Panels covering control box, indoor fan, indoor fan motor, gas components (where applicable), and
compressors shall have a molded composite handles.
d. Handles shall be UV modified, composite. They shall be permanently attached, and recessed into the
panel.
e. Screws on the vertical portion of all removable access panel shall engage into heat resistant, molded
composite collars.
f. Collars shall be removable and easily replaceable using manufacturer recommended parts.
23 81 19.13.I. Gas Heat
1. General
a. Heat exchanger shall be an induced draft design. Positive pressure heat exchanger designs shall not be
allowed.
b. Shall incorporate a direct- spark ignition system and redundant main gas valve.
c. Gas supply pressure at the inlet to the rooftop unit gas valve must match that required by the manufacturer.
2. The heat exchanger shall be controlled by an integrated gas controller (IGC) microprocessor.
a. IGC board shall notify users of fault using an LED (light- emitting diode).
b. The LED shall be visible without removing the control box access panel.
c. IGC board shall contain algorithms that modify evaporator- fan operation to prevent future cycling on high
temperature limit switch.
d. Unit shall be equipped with anti- cycle protection with one short cycle on unit flame roll-out switch or 4
continuous short cycles on the high temperature limit switch. Fault indication shall be made using an LED.
3. Standard Heat Exchanger construction
a. Heat exchanger shall be of the tubular- section type constructed of a minimum of 20- gauge steel coated
with a nominal 1.2 mil aluminum- silicone alloy for corrosion resistance.
b. Burners shall be of the in- shot type constructed of aluminum- coated steel.
48HC
c. Burners shall incorporate orifices for rated heat output up to 2000 ft (610m) elevation. Additional accessory
kits may be required for applications above 2000 ft (610m) elevation, depending on local gas supply
conditions.
d. Each heat exchanger tube shall contain multiple dimples for increased heating effectiveness.
4. Optional Stainless Steel Heat Exchanger construction a. Use energy saving, direct- spark ignition system. b.
Use a redundant main gas valve.
c. Burners shall be of the in- shot type constructed of aluminum- coated steel.
d. All gas piping shall enter the unit cabinet at a single location on side of unit (horizontal plane).
e. The optional stainless steel heat exchanger shall be of the tubular- section type, constructed of a minimum
of 20- gauge type 409 stainless steel.
f. Type 409 stainless steel shall be used in heat exchanger tubes and vestibule plate
g. Complete stainless steel heat exchanger allows for greater application flexibility.
1. Optional Low NOx Heat Exchanger construction
a. Primary tubes and vestibule plates on low NOx units shall be 409 stainless steel. Other components shall
be aluminized steel.
2. Induced draft combustion motor and blower
48HC
c. Shall be constructed from steel with a corrosion resistant finish and dynamically balanced.
3. Belt- driven Evaporator Fan:
a. Belt drive shall include an adjustable- pitch motor pulley.
b. Shall use sealed, permanently lubricated ball- bearing type.
c. Blower fan shall be double- inlet type with forward- curved blades.
d. Shall be constructed from steel with a corrosion resistant finish and dynamically balanced.
23 81 19.13.N. Condenser Fans and Motors
The outdoor fans shall be of the direct drive type, discharge air vertically, have aluminum blades riveted to corrosion
resistant steel spider brackets and shall be dynamically balanced for smooth operation. The outdoor fan motors shall
have permanently lubricated 60°C ball bearings internally protected against overload conditions and staged
independently. A cleaning window shall be provided on two sides of the units for coil cleaning.
1. Condenser fan motors:
a. Shall be a totally enclosed motor.
b. Shall use permanently lubricated bearings.
c. Shall have inherent thermal overload protection with an automatic reset feature.
d. All models Shall use a shaft- down design except shaft- up on ZX14 & ZY12 size with rain shield.
2. Condenser Fans:
a. Shall be a direct- driven propeller type fan.
b. Shall have galvanized steel blades riveted to corrosion- resistant steel spiders and shall be dynamically
balanced.
23 81 19.13.O. Special Features Options and Accessories
1. IntelliSpeed™ - Staged Air Volume System (ZX08-14 & ZY08-12)
a. Evaporator fan motor:
(1.) Shall have permanently lubricated bearings.
(2.) Shall have a maximum continuous BHP rating for continuous duty operation; no safety factors above
that rating.
(3.) Shall be Variable Frequency duty and 2- speed control.
2. Variable Frequency Drive (VFD). Only available on 2- speed indoor fan motor option (IntelliSpeed™):
INSERT MITSUBISHI DRIVE SPECIFICATIONS
3. Standard Integrated Economizers:
a. Integrated, gear- driven opposing modulating blade design type capable of simultaneous economizer and
compressor operation.
b. Independent modules for vertical or horizontal return configurations shall be available. Vertical return
modules shall be available as a factory installed option.
c. Damper blades shall be galvanized steel with composite gears. Plastic or composite blades on intake or
return shall not be acceptable.
d. Shall include all hardware and controls to provide free cooling with outdoor air when temperature and/or
humidity are below set-points.
e. Shall be equipped with gear driven dampers for both the outdoor ventilation air and the return air for
positive air stream control.
f. Standard models shall be equipped with low- leakage dampers, not to exceed 2% leakage at 1 in. wg pres-
sure differential. Economizers will come with Actuator and module that is tied to Smart Equipment™:
(1.) Combined minimum and DCV maximum damper position potentiometers with compressor staging re-
lay.
(2.) Functions with solid state analog enthalpy or dry bulb changeover control sensing.
(3.) Contain LED indicates for: when free cooling is available when module is in DCV mode when exhaust
fan contact is closed
4. Two- Position Damper
a. Damper shall be a Two- Position Damper. Damper travel shall be from the full closed position to the field
adjustable %- open setpoint.
b. Damper shall include adjustable damper travel from 25% to 100% (full open).
c. Damper shall include single or dual blade, gear driven dampers and actuator motor.
d. Actuator shall be direct coupled to damper gear. No linkage arms or control rods shall be acceptable. e.
Damper will admit up to 100% outdoor air for applicable rooftop units.
f. Damper shall close upon indoor (evaporator) fan shutoff and/or loss of power.
g. The damper actuator shall plug into the rooftop unit’s wiring harness plug. No hard wiring shall be required.
h. Outside air hood shall include aluminum water entrainment filter.
5. Manual damper
a. Manual damper package shall consist of damper, air inlet screen, and rain hood which can be preset to admit
up to 25 or 50% outdoor air for year round ventilation.
6. Condenser Coil Hail Guard Assembly (Factory and Field installed on all models):
a. Shall protect against damage from hail.
b. Shall be of louvered style.
7. Unit- Mounted, Non- Fused Disconnect Switch: (Verify on the unit nameplate that the disconnect is properly sized
for the application. Units with field installed electric heat may exceed the factory installed disconnect amperage
rating.)
a. Switch shall be factory- installed, internally mounted.
b. National Electric Code (NEC) and UL approved non- fused switch shall provide unit power shutoff.
c. Shall be accessible from outside the unit.
d. Shall provide local shutdown and lockout capability.
8. Thru- the- Base Connectors:
a. Kits shall provide connectors to permit gas and electrical connections to be brought to the unit through the unit
base-pan.
b. Minimum of four connection locations per unit.
9. Propeller Power Exhaust:
a. Power exhaust shall be used in conjunction with an integrated economizer.
b. Independent modules for vertical or horizontal return configurations shall be available. c. Horizontal power
exhaust is shall be mounted in return ductwork.
d. Power exhaust shall be controlled by economizer controller operation. Exhaust fans shall be energized when
dampers open past the 0- 100% adjustable setpoint on the economizer control.
10. Roof Curbs (Vertical):
a. Full perimeter roof curb with exhaust capability providing separate air streams for energy recovery from the
exhaust air without supply air contamination.