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ZT Series

Instructivo de contolador

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Miguel Angel Martinez Vazquez

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0% found this document useful (0 votes)

65 views147 pages

ZT Series

Instructivo de contolador

Uploaded by

Miguel Angel Martinez Vazquez

We take content rights seriously. If you suspect this is your content, claim it here.

Available Formats

Download as PDF, TXT or read online on Scribd

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5167821-YTG-K-1118

TECHNICAL GUIDE
R-410A Description
ZT SERIES Ultra-High Efficiency

YORK® Predator® units are convertible single packages with a

3 - 12.5 TON common footprint cabinet and common roof curb for all 3
through 12.5 ton models. The units are designed for light
60 Hertz commercial applications and can be easily installed on a roof
curb, slab, or frame.

All Predator® units are self-contained and assembled on rigid

full perimeter base rails allowing for 3-way forklift access and
overhead rigging. Every unit is completely charged, wired,
piped, and tested at the factory to provide a quick and easy field
installation.

Predator® units in all tonnage sizes are convertible between

side airflow and down airflow, with corresponding economizer if
you require the economizer option.

Predator® units are available in the following configurations:

cooling only, cooling with electric heat, and cooling with gas
heat. Electric heaters are available as factory-installed options
or field-installed accessories.

All units meet ASHRAE 90.1 single-zone variable supply air

volume standard. Featuring a variable frequency drive on 3
through 12.5 ton ZT models.

Tested in accordance with:

FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE

5167821-YTG-K-1118

Table of contents
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Product highlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Component location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Guide specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Physical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Capacity performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Airflow performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Sound performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Typical wiring diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Weights and dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Economizer options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Product highlights
• Smart Equipment™ Controls: streamlines commissioning, • Balanced heating
integration, and service • Convertible airflow design
• Two independent refrigeration circuits for built-in system • Safety monitoring
redundancy and reliability in the 6.5 to 12.5 ton units
• Low ambient control
• Three stages of cooling in the 6.5 to 12.5 units to meet
• Anti-short cycle protection
advanced building code requirements
• Fan delays
• Ultra-high efficiency in the original Predator footprint to
facilitate a direct upgrade path • Nuisance trip protection and three strikes
• Optional MagnaDry reheat system • Full perimeter base rails
• IntelliSpeed variable frequency drive as standard • Easy installation
• Advanced ECM outdoor motors • IntelliSpeed or VAV fan control provide a wide range of
indoor airflows
• Evaporator coils with sine wave fine geometry for
increased unit efficiency on 6.5 to 12.5 ton units

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Nomenclature

3-12.5 Ton York® Model Number Nomenclature

Z T 037 C 00 A 2 A 1 A A A 1 A 1
Product Generation
Product Category
1 = First Generation
2 = Second Generation
Z = A/C, Single Pkg., R-410A

Product Identifier Cabinet Options

T = Pkg AC Ultra High Eff A = Std Cabinet

E = SSD (SST Drain Pan)
R = Reverse Drain Pan
Nominal Cooling Capacity

037 = 3 Ton Additional Options

049 = 4 Ton 1 = STD Throwaway Filter
061 = 5 Ton 2 = 2" Pleated Filters (Merv 8)
078 = 6.5 Ton 3 = 4" Pleated Filters (Merv 13)
090 = 7.5 Ton 4 = Coil Guard (CG), STD Filter
102 = 8.5 Ton 5 = 2" Pleated Filter,CG
120 = 10 Ton 6 = 4" Pleated Filter,CG
150 = 12.5 Ton

Refrigeration
Heat Type
A = Standard Refrigeration
C = Cooling Only B = ECC (E-Coat Cond Coil)
E = Electric Heat C = EEC (E-Coat Evap Coil)
E = REH (Reheat)
Two Stage Natural Gas Heat Options
F = ECC, EEC
N = 2 Stage Gas Aluminized Steel G = ECC, EEC, HGBP
S = 2 Stage Gas Stainless Steel H = ECC, EEC, REH
P = 2 Stage Low Nox Gas Aluminized Steel1 J = ECC, HGBP
Q = 2 Stage Low Nox Gas Stainless Steel1 L = ECC, REH
M = EEC, HGBP
1. Low Nox Gas is only available on the 3 - 5 Ton Units
P = EEC, REH
Heat Capacity

00 = Cooling Only Controls Option

Gas MBH Input (Unit Size Allowed) A = Stand Alone Smart Equipment™
C = BACnet MSTP,Mdbs,N2 COM Card
06 = 60 MBH Input (037, 049)
D = CPC Control, DFS, APS
08 = 80 MBH Input (037, 049, 061)
F = Fault Detection Diagnostics
12 = 120 MBH Input (037, 049, 061)
G = Novar UCM Ctrl, DFS, APS
16 = 160 MBH Input (061)
H = Hnywll Excel 10 CTRL,DFS,APS
18 = 180 MBH Input (078,090,102,120,150)
M = Verasys Single Zone
24 = 240 MBH Input (078,090,102,120,150)
N = Verasys Change Over Bypass
Electric Heat (Unit Size Allowed) P = Verasys VAV
Q = Verasys Single Zone W/FDD
03 = 3 KW (037) R = Verasys COBP W/FDD
06 = 6 KW (037,049,061) T = Verasys VAV W/FDD
09 = 9 KW (037,049,061, 078,090,102)
15 = 15KW (037,049,061)
18 = 18 KW (078,090,102,120,150) Sensors
20 = 20 KW (049,061)
24 = 24 KW (078,090,102,120,150) A = No Sensors
36 = 36 KW (078,090,102,120,150) B = PHM (Phase Monitor)
54 = 54 KW (120,150) C = DFS (Dirty Filter Switch)
D = SSD (Supply Air Smoke DET)
E = RSD (Return Air Smoke DET)
F = PHM,DFS
G = PHM,SSD
Blower Option H = PHM,RSD
J = DFS,SSD
E = VFD/VAV Std Static K = DFS,RSD
G = VFD/VAV High Static L = SSD,RSD
H = VFD/VAV w/Bypass Std Static M = PHM,DFS,SSD
K = VFD/VAV w/Bypass High Static N = PHM,DFS,RSD
P = VFD IntelliSpeed Std Static P = PHM,SSD,RSD
R = VFD IntelliSpeed High Static Q = DFS,SSD,RSD
S = VFD w/Byp IntelliSp Std Static R = PHM,DFS,SSD,RSD
U = VFD w/Byp IntelliSp Hi Static

Service Options
Voltage
1 = No Service Options
2 = 208/230-3-60 2 = DSC (Disconnect Switch)
4 = 460-3-60 3 = NCO (Non-PWR Conv. Outlet)
5 = 575-3-603 4 = PCO (Powered Conv. Outlet)
3. 575V Available in 3 - 5 Ton Only. 5 = DSC,NCO
6 = DSC,PCO

Outdoor Air Option

A = No Economizer
B = Economizer w/Barometric RLF
D = Economizer w/Power EXH
H = Motorized Damper

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Component location
ZT078, ZT090, and ZT102 shown

Component location table (click on the call out in the illustration above for a more detailed description)
Item Description Item Description
Smart Equipment™ supply fan controls with IntelliSpeed™. Includes
A K Power ventor motor
screw connectors for thermostat wiring and network connections
Two stage gas heating to maintain a warm, comfortable
B Disconnect location, optional disconnection switch L
temperature
20-gauge aluminized steel tubular heat exchanger for long
C Filter access, 2-inch or 4-inch filter options M
life. Stainless steel option
D High efficiency sine wave fin evaporator coil N Intelligent control board for safe and efficient operation
E ECM outdoor fan motor O Drain pan with 1-inch NPT connection
F Micro-channel aluminum tube/aluminum fin condenser P Toolless door latch
G Premium efficiency belt-drive blower motor Q Compressor access (High-efficiency 2-stage compressor)
H Variable frequency drive R Base rails with forklift slots (three sides) and lifting holes1
I Solid core filter drier S Second model nameplate inside hinged access panel
Slide-out motor and blower assembly for easy adjustment and
J
service
1. Roof curbs in eight-and fourteen-inch heights. Roof curbs to transition from a York Sunline™ footprint to the ZT Series footprint are
available as a field-installed accessory.

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Standard features
This section describes the standard features for ultra-high efficiency 3 to 12.5 ton units.

Ultra-high efficiency
Ultra-high efficiency units reach as high as 17.5 SEER and 14.00 EER for 3 to 5 ton units, and up to 21.2 IEER and 13.1 EER
for 6.5 to 12.5 ton units. Gas and electric units have electronic spark ignition and power vented combustion with steady state
efficiencies up to 81.5%. These efficiencies exceed all legislated minimum levels and provide low operating costs.
.

Two independent refrigeration circuits

Two independent refrigerant circuits provide system
redundancy and reliability to give the customer peace
of mind. Available on 6.5 to 12.5 ton units only.

Optional MagnaDry™ dehumidification system

Units optioned with reheat coils provide superior
dehumidification at a wide range of outdoor
temperatures. This system provides comfort without
over-cooling the space. Available on 6.5 to 12.5 ton
units only.

Slide out blower assembly

The Predator® incorporates a number of key features
for ease of serviceability.
• The motor and blower slide out of the unit as a
common assembly. This facilitates greater access to
all the indoor airflow components, thus simplifying
maintenance and adjustment.

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Toolless hinged panels

• Service time is reduced through the use of hinged,
toolless panels. The panels provide access to
frequently inspected components and areas, including
the control box, compressors, filters, indoor motor and
blower, and the heating section. The panels are
screwed in place at the factory to prevent access by
children or other unauthorized persons. It is
recommended that the panels be secured with screws
once service is complete.

• All units use four filters of the same standard size. This standardization simplifies selections for filter replacement.
• All Predator® units have a second model nameplate located inside the control access door. This is to prevent deterioration of
the nameplate through weathering.
• Service windows have been placed in both condenser section walls. Rotation of the cover allows easy access to the condenser
coils for cleaning or inspection.
• The Smart Equipment™ control board provides alarm messages to help quickly identify any faults.

Indoor motors
Units come from the factory with premium efficiency, inverter rated, indoor motors. Both motor and belt drive blower are
mounted on a slide out assembly for ease of service.
.

Variable frequency drive

These factory supplied variable frequency drives come
with a 5-year warranty from the manufacturer. They also
provide ease of commissioning without the need for a
computer to program the motor and soft start capabilities
for longer motor and belt life.
.

ECM outdoor motors

Units come from the factory with long lasting, high
efficiency ECM motors.

Microchannel coil technology

All ZT condensers use microchannel all-aluminum
condensers which provide improved heat transfer
capabilities and reduced charge volumes.

Evaporator coil technology

• 6.5 to 12.5 ton units use new sine wave fin geometry in
a copper tube/aluminum fin evaporator coil for increased
unit efficiency.

Environmentally aware
For improved Indoor Air Quality, a combination of aluminum foil faced and elastometric rubber insulations are used exclusively
throughout the units.

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Balanced heating
The Predator® two stage gas heating offers ultimate heating comfort with a balance between first and second stage gas
heating. The first stage of a gas heat Predator® unit provides 70% or 75% of the heating capacity for the 3 to 5 ton units. The
6.5 to 12.5 ton units reach 60% heating capacity on the first stage.

Convertible airflow design

A convertible airflow design provides maximum field flexibility while minimizing inventory. The side ducts are covered when the
units leave the factory. In a side supply/return application, the installer simply removes the two side duct covers from the
outside of the unit and installs them over the down shot openings without having to cut any panels.
.

Advanced, versatile controls

• Smart Equipment™ control boards have standardized a
number of features previously available only as options
or by using additional controls.
• The unit control incorporates the best of the already
proven Simplicity™ controls and creates a more robust,
intelligent control. The goal of this control is to use
cutting edge technology making the equipment easier to
install, operate, and service. All units are factory
commissioned, configured, and run tested.
• The Smart Equipment™ control can be configured for
use with a standard thermostat (easy to connect screw
terminals), a zone sensor, or can be set up to
communicate with multiple BAS communication
protocols to integrate with building automation systems.

• On-board USB port

The Smart Equipment™ control comes standard with an on-board USB port that accepts a common flash drive. This port can
be used for features like data logging, listing current and previous system faults, and backing up or updating the software
version. Self-test and start up reports are also available through the USB port.
• Embedded LCD display
The board has an easy to read, built-in LCD display and easy to use navigation joystick and buttons allowing the user to
quickly navigate the menus displaying unit status, options, current function, supply, return and outdoor temperatures, fault
codes and other information.

The Smart Equipment™ control board used in this product will effectively operate the cooling system
down to 0°F when this product is applied in a comfort cooling application for people. An economizer is
typically included in this type of application. When applying this product for process cooling
applications (computer rooms, switchgear, etc.), please call the applications department for Ducted
Systems @ 1-877-874-SERV for guidance. Additional accessories may be needed for stable
operation at temperatures below 30°F.

Reduced field-installed complexity

Each unit comes equipped with factory installed supply air, return air, and outdoor air temperature sensors providing key
temperature readings thus reduce field installed complexity.

Safety monitoring
The control monitors the outdoor, supply, and return air temperatures and the high and low pressure switch status on the
independent refrigerant circuits. On units with heating the gas valve and high temperature limit switches are monitored on gas
and electric heating units. The control also monitors the voltage supplied to the unit and will protect the unit if low voltage due
to a brown out, or other electrical issue occurs.

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Low ambient control

An integrated low-ambient control allows units to operate in the cooling mode down to 0°F outdoor ambient without additional
components or intervention. Optionally, the control board can be programmed to lockout the compressors when the outdoor air
temperature is low or when free cooling is available.

Anti-short cycle protection

To aid compressor life, an anti- short cycle delay is incorporated into the standard control. Compressor reliability is further
ensured by programmable minimum run times. For testing, the anti-short cycle delay can be temporarily overridden with the
push of a button.

Fan delays
Fan on and fan off delays are fully programmable. Furthermore, the heating and cooling fan delay times are independent of
one another. All units are programmed with default values based upon their configuration of cooling and/or heating capacity.

Nuisance trip protection and three strikes

To prevent nuisance calls, the control board uses a three times, you're out philosophy. The high, low-pressure switch, anti-
freeze protection, low voltage or heating high limit must trip three times within two hours before the unit control board locks out
the associated compressor.An alarm message is then displayed on the LCD screen.

Low limit control

The low limit control (LLC) prevents the supply air from dropping below a specified set point, when there is a demand for
cooling during cold outside conditions. This is a programmable setpoint.

Reliability
From the beginning, all units undergo computer automated testing before they leave the factory. Units are tested for refrigerant
charge and pressure, unit amperage, and 100% functionality. For the long term: all units are painted with a long lasting,
powder paint that stands up over the life of the unit. The paint used has been proven by a 750-hour salt spray test.

Full perimeter base rails

The permanently attached base rails provide a solid foundation for the entire unit and protect the unit during shipment. The
rails offer rigging holes so that an overhead crane can be used to place the units on a roof.

Easy installation
Gas and electric utility knockouts are supplied in the unit underside as well as the side of the unit. Utility connections can be
made quickly and with a minimum amount of field labor. All units are shipped with 2-inch throw-away filters installed.

Wide range of indoor airflows

All supply air blowers are equipped with a belt drive that can be adjusted to meet the exact requirements of the job. A high
static drive option is available for applications with a higher CFM and/or static pressure requirement.

Standard factory warranty

All models include a 1-year limited warranty on the complete unit. Compressors and electric heater elements each carry a 5-
year warranty. Aluminized steel (10 year) and stainless steel tubular heat exchangers carry a 15-year warranty.

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Options and accessories

The following options and accessories are available as factory-installed and field-installed options.
Options and accessories
Factory option Field-installed
Non-electrical
Burglar bars 
Coil guard  
Hail guard 
Flue exhaust extension 
2-inch only metal filter frame 
Permanent 2-inch only filter 
Gas piping kit 
High altitude kit for natural gas 
High altitude kit for propane 
Propane conversion 
Roof curb, 8-inch height 
Roof curb, 14-inch height 
Transition roof curb (7.5 through 12.5 ton Sunline to Predator 3 through 12.5 ton) 
Wooden crate for extra protection during shipping and handling 
Low NOx (3 through 5 ton units only)  
Aluminized steel gas heat exchanger 
Stainless steel gas heat exchanger 
Stainless steel drain pan 
E-Coat coil coating 
Magna-Dry dehumidification option (6.5 through 12.5 ton units only) 
Hot gas bypass (excludes MagnaDry optioned units) 
Electrical
High static indoor blower motor 
Disconnect switch 
Convenience outlet - (Non-powered or powered) 
Phase monitors 
Electric heat options  
Fresh air
Manual outside air damper 
Barometric relief kit for power exhaust, horizontal application 
Single or dual enthalpy control 
Low leak vertical economizer  
Horizontal economizer 
Motorized damper  
Power exhaust  
Controls
Air proving switch  
CO² sensor 
CPC BAS control 
Dirty air filter switch  
Honeywell BAS control 
Novar® BAS control 
Smoke detectors for supply and return air configurations  
MAP (Mobile Access Portal) Gateway for use with Smart Equipment™ control 
Verasys  

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Factory and field-installed options

YORK® offers several factory and field-installed options for the Predator®line.

Down flow and end return economizers with barometric relief and fresh air hood
Factory or field-installed option
All units offer a variety of optional factory-installed or field-installed down flow economizers that are shipped, installed and
wired with low leak dampers designed to meet ASHRAE 90.1, AMCA 511 Class 1A damper, and the International Energy
Conservation Code (IECC) certification requirements by achieving leakage rates of 3 CFM/sq. ft. at 1-inch of static pressure.
Each economizer goes through a rigorous 60,000 cycle test. Dry bulb, single enthalpy, and dual enthalpy (with field installed
kit) can be selected. The economizer has spring return, fully modulating damper actuators and is capable of introducing up to
100% outdoor air. As the outdoor air intake dampers open, the return air dampers close. The changeover from mechanical
refrigeration to economizer operation is regulated by the outdoor air dry bulb temperature or the outdoor air enthalpy input. The
installer needs only to assemble the outdoor air hood, attach the enthalpy control the hood and mount the hood to the unit
(hood and control are provided).

Single or dual enthalpy control accessories

Field-installed option
The single enthalpy or dual enthalpy control kits provide sensors to monitor outdoor air and/or return air humidity and
temperature for true enthalpy control of the unit economizer.

Power exhaust
Factory or field-installed option
This factory or field installed option allows down flow or horizontal end return economizer operation. Field installation user must
purchase the 1EH0408 barometric relief and hood kit when applying the product in a horizontal flow application. The power
exhaust must be removed from the unit and mounted in the horizontal end return duct work when applying the product in the
horizontal, end return configuration.

Motorized outdoor air damper

Factory or field-installed option
The motorized outdoor air damper includes a slide-in/plug-in damper assembly with an outdoor air hood and filters. The
outdoor air dampers open to the preset position when the indoor fan motor is energized. The damper has a range of 0% to
100% outdoor air entry.

Manual outdoor air damper

Field-installed option
The manual outdoor air damper includes a slide-in damper assembly with an outdoor air hood and filters. Customers have a
choice of dampers with ranges of 0% to 100% or 0% to 35% outdoor air entry.

Barometric relief damper

Field-installed option
Zero to 100% capacity barometric relief dampers for use with horizontal flow, or field installed economizers.

Alternate indoor blower motor

Factory option
For applications with high static restrictions, units are offered with optional indoor motors that provide higher static output and/
or higher airflow, depending upon the installer’s needs.

Aluminized steel gas heat exchanger

Factory option
The standard gas heat exchanger option for applications in non-corrosive environments.

Stainless steel gas heat exchanger

Factory option
The gas heat exchanger option for applications in corrosive environments. This option provides a full stainless steel heat
exchanger assembly.

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Low NOx option

Factory or field-installed option
For units with gas furnaces in locations where codes require that the Oxides of Nitrogen emissions from the furnace be below
40 Nano grams per joule. The low NOx option is available for 3 to 5 ton units only.

Stainless steel drain pan

Factory option
An optional rust-proof stainless steel drain pan is available to provide years of trouble-free operation in corrosive environments.

Electric heaters
Factory or field-installed option
The electric heaters range from 3kW to 54kW and are available in all the voltage options of the base units. All heaters are
intended for single point power supply. Field installed kits: cooling units include an adapter panel for easy installation of the
electric heaters. Necessary hardware and connectors are included with the heaters. All heaters are intended for single point
power supply.

Disconnect switch
Factory option
For gas heat units and cooling units with electric heat, a HACR breaker sized to the unit is provided. For cooling only units, a
switch sized to the largest electric heat available for the particular unit is provided.

Convenience outlet
Factory option
Non-powered and powered convenience outlets are available. This option locates a 120V single-phase GFCI outlet with cover,
on the corner of the unit housing adjacent to the compressors. The non-powered option requires the installer to provide the
120V single-phase power source and wiring. The powered option is powered by a stepdown transformer in the unit.

Smoke detectors
Factory or field-installed option
The smoke detectors stop operation of the unit and provide a fault message to the control board. Smoke detectors are
available for both the supply and/or return air configurations.

Factory-installed smoke detectors may be subjected to extreme temperatures during off times due to outside
air infiltration. These smoke detectors have an operational limit of -4°F to 158°F. Smoke detectors installed in
areas that could be outside this range will have to be relocated to prevent false alarms.

CO2 sensor
Field-installed option
This kit senses CO2 levels and automatically overrides the economizer when levels rise above the preset limits.

Filters
Factory or field-installed option
2-inch Pleated MERV 8 or 4-inch Pleated MERV 13 are available to meet LEED requirements. A 2-inch throwaway is shipped
as standard.

Metal frame filter kit

Field-installed option
A metal frame with polyester filter medium is available.

Coil guard
Factory or field-installed option
Customers can purchase a coil guard to protect the condenser coil from damage. Additionally, this kit stops animals and
foreign objects from entering the space between the inner condenser coil and the main cabinet. This is not a hail guard kit.

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Hail guard
Field-installed option
This kit includes a sloped hood that is installed over the outside condenser coil and prevents damage to the coil fins from hail
strikes.

Dirty filter switch

Factory or field-installed option
This option/kit includes a differential pressure switch that energizes the fault light on the unit thermostat, indicating that there is
an abnormally high pressure drop across the filters.

E-Coat evaporator and condenser

Factory option
The evaporator and/or condenser coils are coated with an epoxy polymer coating to protect against corrosion.

Flue exhaust extension kit

Field-installed option
In locations with wind or weather conditions which may interfere with proper exhausting of furnace combustion products, this
kit can be installed to prevent the flue exhaust from entering nearby fresh air intakes.

Gas heat high altitude kit

Field-installed option
This kit converts a gas heat unit to operate at high altitudes from 2,000 to 6,000 feet. Conversion kits are available for natural
gas and propane.

Gas heat propane conversion kit

Field-installed option
This kit converts a gas-fired heater from natural gas to propane. It contains the main burner orifices and gas valve replacement
springs.

Gas piping kit

Field-installed option
Contains pipe nipples, fittings and gas cock required for gas supply connection with external shut off.

Roof curbs
Field-installed option
The roof curbs have insulated decks and are shipped disassembled. The roof curbs are available in 8-inch and 14-inch
heights. For applications with security concerns, burglar bars are available for the duct openings of the roof curbs.

Roof curb transition

Field-installed option
Single piece adapter (10-inch high) roof curbs for transitioning from Sunline™ units to Predator® units. Fits 7.5 to 12.5
Sunline™ roof curbs only.

Burglar bars
Field-installed option
Mount in the supply and return openings to prevent entry into the duct work.

Thermostat
Field-installed option
The units are designed to operate with 24- volt electronic and electro-mechanical thermostats. All ultra-high efficiency 3 to 5
ton units (with or without an economizer) operate with two-stage heat/two-stage cool or two-stage cooling only thermostats,
depending on the unit configuration. All 6.5 to 12.5 ton units (with or without an economizer) operate with two-stage heat/3+
stage cool or 3+ stage cooling only thermostats, depending on the configuration.

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Control options
The following sections describe the control options.

Smart Equipment™ control with communication option

The communication option for the Smart Equipment™ control is a factory installed add-on card to expand the capabilities with
a gateway to BACnet MS/TP (programmable to Modbus or N2 protocols).

Novar® BAS control

Factory option
The Novar® building automation system controller is factory installed. Includes supply air sensor, return air sensor, dirty filter
indicator switch, and air proving switch.

CPC BAS control

Factory option only
The Computer Process Controls Model 810-3060 ARTC Advanced Rooftop building automation system controller is factory
installed. Includes supply air sensor, return air sensor, with optional dirty filter indicator switch and air proving switch.

Honeywell BAS control

Factory option
The Honeywell W7750C building automation system controller is factory installed. Includes air supply sensor, return air sensor,
with optional dirty filter indicator switch, and air proving switch.

Verasys
Factory or field-installed option
Verasys provides a simple user experience with configurable self-recognizing controllers without the need for any additional
tools. Verasys creates enhanced integration of HVACR equipment, zoning, and controls. Contractors are able to offer a
complete bundled solution of equipment and controls to serve the light commercial market.

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Guide specifications
General
YORK® Predator® units are convertible single packages with a common footprint cabinet and common roof curb for all 3 through
12.5 ton models. The units were designed for light commercial applications and can be easily installed on a roof curb, slab, or
frame. All Predator® units are self-contained and assembled on rigid full perimeter base rails allowing for 3-way forklift access and
overhead rigging. Every unit is completely charged with R-410A, wired, piped, and tested at the factory to provide a quick and easy
field installation. All units are convertible between side and down airflow. Independent economizer designs are used on side and
down discharge applications, as well as all tonnage sizes. Predator® units are available in the following configurations: cooling
only, cooling with electric heat and cooling with gas heat. Electric heaters are available as factory-installed options or field-installed
accessories.

Description
Units shall be factory assembled, single package, (Elec/Elec, Gas/Elec), designed for outdoor installation. They shall have built in field
convertible duct connections for down discharge supply/return or horizontal discharge supply/return and be available with factory installed
options or field installed accessories. The units shall be factory wired, piped and charged with R-410A refrigerant and factory tested prior to
shipment. All unit wiring shall be both numbered and color coded. The cooling performance shall be rated in accordance with DOE and
AHRI test procedures. Units shall be CSA certified to ANSI Z21.47 and UL 1995/CAN/CSA No. 236-M90 standards.

Unit cabient
Unit cabinet shall be constructed of galvanized steel with exterior surfaces coated with a non-chalking, powder paint finish, certified
at a 750-hour salt spray test per ASTM-B117 standards. Indoor blower sections shall be insulated with up to 1” thick insulation
coated on the airside. Either aluminum foil faced or elastometric rubber insulation shall be used in the unit’s compartments and be
fastened to prevent insulation from entering the air stream. Cabinet doors shall be hinged with toolless access for easy servicing and
maintenance. Full perimeter base rails shall be provided to assure reliable transit of equipment, overhead rigging, fork truck access
and proper sealing on roof curb applications. Disposable 2-in. filters shall be furnished as standard and be accessible through
hinged access door. Fan performance measuring ports shall be provided on the outside of the cabinet to allow accurate air
measurements of evaporator fan performance without removing panels or creating bypass of the coils. Condensate pan shall be
slide out design, constructed of a non corrosive material, internally sloped and conforming to ASHRAE 62-B9 standards.
Condensate connection shall be a minimum of ¾” I.D. female and be rigid mount connection.

Indoor (evaporator) fan assembly

Fan shall be a belt drive assembly and include an adjustable pitch motor pulley. Job site selected brake horsepower shall not exceed
the motors nameplate horsepower rating plus the service factor. Units shall be designed to operate within the service factor. Fan
wheel shall be double inlet type with forward curve blades, dynamically balanced to operate smoothly throughout the entire range of
operation. Design shall meet ASHRAE 90.1 single-zone variable supply air volume standard. Bearings shall be sealed and perma-
nently lubricated for longer life and no maintenance. Entire blower assembly and motor shall be slide out design.

Outdoor (condenser) fan assembly

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 bearings
internally protected against overload conditions and staged independently. A cleaning window shall be provided on two sides of the units
for coil cleaning.

Refrigerant components
Compressors:
a. Shall be fully 2-stage, hermetic type, direct drive, internally protected with internal high-pressure relief and over temperature
protection. The hermetic motor shall be suction gas cooled and have a voltage range of + or – 10% of the unit nameplate
voltage.
b. Shall have internal spring isolation and sound muffling to minimize vibration and noise, and be externally isolated on a
dedicated, independent mounting.

Coils:
a. Evaporator coils shall have aluminum plate fins mechanically bonded to seamless internally enhanced copper tubes with all
joints brazed. Special Phenolic coating shall be available as a factory option.
b. Evaporator coils shall be of the direct expansion, draw-through design.
c. Condenser coils shall have Micro-Channel aluminum tube, aluminum fins.
d. Condenser coils shall be of the draw-through design.

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Refrigerant Circuit and Refrigerant Safety Components shall include:

a. Independent fixed-orifice or thermally operated expansion devices.
b. Solid core filter drier/strainer to eliminate any moisture or foreign matter.
c. Accessible service gage connections on both suction and discharge lines to charge, evacuate, and measure refrigerant
pressure during any necessary servicing or troubleshooting, without losing charge.
Unit Controls:
a. Unit shall be complete with self-contained low-voltage control circuit protected by a resettable circuit breaker on the 24-volt
transformer side.
b. Unit shall incorporate a lockout circuit which provides reset capability at the space thermostat or base unit, should any of the
following standard safety devices trip and shut off compressor.
1. Loss-of-charge/Low-pressure switch.
2. High-pressure switch.
3. Freeze condition sensor on evaporator coil. If any of these safety devices trip, the LCD screen will display the alarm
message.
c. Unit shall incorporate "AUTO RESET" compressor over temperature, over current protection.
d. Unit shall operate with conventional thermostat designs and have a low voltage terminal strip for easy hook-up.
e. Unit control board shall have on-board diagnostics and fault message display.
f. Standard controls shall include anti-short cycle and low voltage protection, and permit cooling operation down to a selectable
value as low as 0 °F.
g. Control board shall monitor each refrigerant safety switch independently.

Gas heating section (if equipped)

Heat exchanger and exhaust system shall be constructed of aluminized steel and shall be designed with induced draft combustion
with post purge logic, energy saving direct spark ignition, and redundant main gas valve. The heat exchanger shall be of the tubular
type, constructed of T1-40 aluminized steel for corrosion resistance and allowing minimum mixed air entering temperature of 40 ºF.
Burners shall be of the in-shot type, constructed of aluminum-coated steel. All gas piping shall enter the unit cabinet at a single loca-
tion, through either the side or bottom, without any field modifications. An integrated control board shall provide timed control of
evaporator fan functioning and burner ignition. Heating section shall be provided with the following minimum protection:

a. Primary and auxiliary high-temperature limit switches.

b. Induced draft pressure sensor.
c. Flame roll out switch (manual reset).
d. Flame proving controls.
e. All two stage gas units shall have two independent stages of capacity (70% or 75% 1st stage, 100% 2nd stage).

Electric heating section (if equipped)

An electric heating section, with nickel chromium elements, shall be provided in a range of 3 through 54KW. The heating section
shall have a primary limit control(s) (automatic reset) to prevent the heating element system from operating at an excessive tem-
perature. The Heating Section assembly shall slide out of the unit for easy maintenance and service. Units with Electric Heating Sec-
tions shall be wired for a single point power supply with branch circuit fusing (where required).

Unit operating characteristics

Unit shall be capable of starting and running at 125 ºF outdoor temperature, exceeding maximum load criteria of AHRI Standard 340/
360. The compressor, with standard controls, shall be capable of operation down to 0 ºF outdoor temperature. Unit shall be provided
with fan time delay to prevent cold air delivery before heat exchanger warms up. (Gas heat only)

Electrical requirements - All unit power wiring shall enter unit cabinet at a single factory provided location and be capable of side or
bottom entry to minimize roof penetrations and avoid unit field modifications. Separate side and bottom openings shall be provided
for the control wiring.

Standard limited warranties - Compressor – 5 Years, Heat Exchanger – 10 Years, Elect. Heat Elem. – 5 Years,
Parts – 1 Year

Factory-installed optional outdoor air (Shall be made available by either/or):

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• Dry bulb automatic economizer - Outdoor and return air dampers that are interlocked and positioned by a fully-modulating,
spring-return damper actuator. The maximum leakage rate for the outdoor air intake dampers shall be designed to meet
ASHRAE 90.1, AMCA 511 Class 1A damper, and the International Energy Conservation Code (IECC) certification
requirements by achieving leakage rates of 3 CFM/sq. ft. at 1 in. of static pressure. Changeover from compressor to
economizer operation shall be provided by an integral electronic enthalpy control that feeds input into the basic module. The
outdoor intake opening shall be covered with a rain hood that matches the exterior of the unit. Water eliminator/filters shall be
provided.
Simultaneous economizer/compressor operation is also possible. Dampers shall fully close on power loss. Available with
barometric relief and power exhaust.
• Motorized outdoor air dampers - Outdoor and return air dampers that are interlocked and positioned by a 2- position, spring-
return damper actuator. A unit-mounted potentiometer shall be provided to adjust the outdoor and return air damper assembly
to take in the design CFM of outdoor air to meet the ventilation requirements of the conditioned space during normal operation.
Whenever the indoor fan motor is energized, the dampers open up to one of two pre-selected positions - regardless of the
outdoor air enthalpy. Dampers return to the fully closed position when the indoor fan motor is de-energized. Dampers shall fully
close on power loss.

Additional factory-installed options

• MagnaDry dehumidification system- removes humidity while maintaining comfort cooling. Available on 6.5 to 12.5 ton units
only.
• Alternate indoor blower motor – For applications with high restrictions, units are available with optional indoor blower motors
that provide higher static output and/or higher airflow.
• Convenience outlet (powered or non-powered)– Unit can be provided with an optional 120VAC GFCI outlet with cover on the
corner of the unit housing the compressors.
• Electric heat - Electric Heaters range from 3kW to 54kW and are available in all the voltage options of the base unit.
• Phase monitor - Designed to prevent damage in out-of-phase condition.
• Coil guard - Designed to prevent condenser coil damage.
• BAS controls hardware - Include supply air sensor, return air sensor, dirty filter indicator and air proving switch.
• Dirty filter switch – This kit includes a differential pressure switch that energizes the fault light on the unit thermostat,
indicating that there is an abnormally high-pressure drop across the filters.
• Breaker – An HACR breaker can be factory installed on gas heat units or cooling units with electric heat.
• Disconnect switch - A disconnect can be factory installed on a cooling only units sized for the largest electric heat available.
• Stainless steel heat exchanger – For applications in a corrosive environment, this option provides a full stainless steel heat
exchanger assembly.
• Smoke detector – A smoke detector can be factory mounted and wired in the supply and/or return air compartments.

Other pre-engineered accessories available

• Roof curb - 14-inch and 8-inch high, full perimeter knockdown curb, with hinged design for quick assembly.
• Barometric relief damper – (Unit mounted – Downflow, Duct Mounted – Horizontal) – Contains a rain hood, air inlet screen, exhaust
damper and mounting hardware. Used to relieve internal air pressure through the unit during economizer operation.
• Propane conversion kit – Contains new orifices and gas valve springs to convert from natural to L.P. gas.
• Economizer (Downflow and Horizontal flow)
• Power exhaust – (Unit mount – Downflow, Duct mount – Horizontal flow)
• Dual enthalpy kit - Provides a second input to economizer to monitor return air.

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Drive selection

1. Determine side or bottom supply duct application.

2. Determine desired airflow.
3. Calculate or measure the amount of external static pressure.
4. With the operating point determined from steps 1, 2, and 3, locate this point on the appropriate supply air blower performance
table. Linear interpolation may be necessary.
5. Note the RPM and BHP from step 4 and locate the appropriate motor and/or drive.
6. Review the BHP compared to the motor options available. Select the appropriate motor and/or drive.
7. Review the RPM range for the motor options available. Select the appropriate drive if multiple drives are available for the
chosen motor.
8. Determine the turns open to obtain the desired operation point.
Example

1. 2400 CFM
2. 1.6 IWC
3. Using the supply air blower performance table below, the following data point was located: 1230 RPM and 1.62 BHP.
4. Using the RPM selection table below, Size X and Model Y is found.
5. 1.62 BHP exceeds the maximum continuous BHP rating of the 1.5 HP motor. The 2 HP motor is required.
6. 1230 RPM is within the range of the 2 HP drives.
7. Using the 2 HP motor and drive, .5 turns open achieves 1230 RPM.

Airflow performance

Example supply air blower performance

Available external static pressure - IWG
Air flow
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
(CFM)
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
1.5 HP & Field supplied drive Standard 1.5 HP and drive Alternate 2 HP & Drive
2200 804 0.50 866 0.71 925 0.90 982 1.06 1038 1.21 1092 1.35 1147 1.48 1203 1.61 1259 1.73 1317 1.87
2400 835 0.66 897 0.87 956 1.06 1013 1.22 1069 1.37 1124 1.51 1178 1.64 1234 1.77 1290 1.90 1348 2.03
2600 869 0.84 931 1.05 990 1.24 1047 1.40 1103 1.55 1158 1.69 1212 1.82 1268 1.95 1324 2.07 1382 2.21
2800 906 1.03 968 1.25 1027 1.43 1084 1.60 1139 1.75 1194 1.89 1249 2.02 1304 2.14 1361 2.27 - -

Example RPM selection

Size Airflow Max. Motor Blower 6 turns 5 turns 4 turns 3 turns 2 turns 1 turn Fully
Model HP
(tons) option BHP sheave sheave open open open open open open closed
Std. 1.5 1.73 1VM50 AK74 N/A 897 945 991 1035 1079 1126
X Y
H. Static 2 2.30 1VM50 AK64 N/A 1039 1094 1150 1207 1256 1308

Example additional static resistance

Size Electric heat kW

Model CFM Cooling only Economizer 4-in. pleated filter
(tons) 3 6 9 15 20 24
900 0.05 -0.05 0.01 0.00 0.00 0.00 0.01 0.01 0.01
1000 0.05 -0.03 0.02 0.00 0.00 0.00 0.02 0.02 0.02
X Y 1100 0.04 -0.02 0.03 0.01 0.01 0.01 0.02 0.02 0.02
1200 0.04 0.00 0.04 0.01 0.01 0.01 0.02 0.02 0.02
1300 0.03 0.01 0.05 0.01 0.01 0.01 0.03 0.03 0.03

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Altitude and temperature correction for CFM, static pressure, and power
Use the information below to assist in the application of the product at altitudes at or exceeding 1000 feet above sea level.
The air flow rates listed in the standard blower performance tables are based on standard air at sea level. As the altitude or
temperature increases, the density of air decreases. In order to use the indoor blower tables for high altitude applications, certain
corrections are necessary.
A centrifugal fan is a constant volume device. This means that, if the RPM remains constant, the CFM delivered is the same
regardless of the density of the air. However, since the air at high altitude is less dense, less static pressure is generated and less
power is required than a similar application at sea level. Air density correction factors are shown in the Altitude and temperature
correction factors table on page 75 and the following figure.
Altitude and temperature correction factors
Altitude (ft.)
Air 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)

Use the examples below to assist in determining the airflow performance of the product at altitude.
Example 1: What are the corrected CFM, static pressure, and BHP at an elevation of 5,000 ft. if the blower performance data is 6,000
CFM, 1.5 IWC and 4.0 BHP?
Solution: At an elevation of 5,000 ft. the indoor blower will still deliver 6,000 CFM if the RPM is unchanged. However, you must use the
airflow performance tables to determine the static pressure and BHP. We assume an air temperature of 70°F because no temperature data is
given. The Altitude and temperature correction factors table on page 75 shows the correction factor to be 0.832.
Corrected static pressure = 1.5 x 0.832 = 1.248 IWC
Corrected BHP = 4.0 x 0.832 = 3.328
Example 2: A system, located at 5,000 feet of elevation, is to deliver 6,000 CFM at a static pressure of 1.5 in. Use the unit blower tables to
select the blower speed and the BHP requirement.
Solution: As in the example above, no temperature information is given so 70°F is assumed. The 1.5 in. static pressure given is at an
elevation of 5,000 ft. The first step is to convert this static pressure to equivalent sea level conditions.
Sea level static pressure = 1.5 / .832 = 1.80 in.
Enter the blower table at 6000 CFM and static pressure of 1.8 in. The RPM listed is the same RPM needed at 5,000 ft. Suppose that the
corresponding BHP listed in the table is 3.2. This value must be corrected for elevation.
BHP at 5,000 ft. = 3.2 x .832 = 2.66
BHP at 5,000 ft. = 0.7 x .832 = 0.58

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Indoor blower specifications

Motor Motor sheave Blower sheave
Size Airflow
Model Datum dia. Datum dia. Belt
(tons) option HP RPM Eff. SF Frame Bore (in.) Model Bore (in.) Model
(in.) (in.)
037 Std. 1-1/2 1725 0.86 1.15 56 2.4 - 3.4 7/8 1VL40 7.5 1 AK79 A47
ZT
(3) H. static 1-1/2 1725 0.86 1.15 56 2.4 - 3.4 7/8 1VL40 5.7 1 AK61 A45
049 Std. 1-1/2 1725 0.86 1.15 56 1.9 - 2.9 7/8 1VL34 6 1 AK64 A47
ZT
(4) H. static 1-1/2 1725 0.86 1.15 56 2.8 - 3.8 7/8 1VL44 6.5 1 AK69 A47
061 Std. 1-1/2 1725 0.86 1.15 56 2.4 - 3.4 7/8 1VL40 5.7 1 AK61 A45
ZT
(5) H. static 2 1725 0.86 1.15 56 3.4 - 4.4 7/8 1VM50 6 1 AK64 A47
078 Std. 1-1/2 1725 0.8 1.15 56 2.6 - 3.6 7/8 1VL40 7.0 1 AK74 A53
ZT
(6.5) H. static 2 1725 0.8 1.15 56 3.6 - 4.6 7/8 1VM50 6.0 1 AK74 A54
090 Std. 1-1/2 1725 0.8 1.15 56 2.6 - 3.6 7/8 1VL40 7.0 1 AK69 A52
ZT
(7.5) H. static 3 1725 0.8 1.15 56 3.6 - 4.6 7/8 1VM50 5.7 1 AK69 A54
102 Std. 2 1725 0.8 1.15 56 3.4 - 4.4 7/8 1VM50 9.0 1 AK89 A56
ZT
(8.5) H. static 3 1725 0.8 1.15 56 3.4 - 4.4 7/8 1VM50 7.0 1 AK74 A54
120 Std. 2 1725 0.8 1.15 56 3.4 - 4.4 7/8 1VM50 8.0 1 AK84 A56
ZT
(10) H. static 3 1725 0.8 1.15 56 3.4 - 4.4 7/8 1VM50 7.0 1 AK74 A54
150 Std. 3 1725 0.8 1.15 56 3.4 - 4.4 7/8 1VM50 7.0 1 AK74 A54
ZT
(12.5) H. static 5 1725 0.87 1.15 184T 4.3 - 5.3 1-1/8 1VP56 6.7 1 BK77 BX55

Power exhaust specifications

Motor Unit (per circuit)
Model Voltage Fuse size CFM @ 0.1 ESP
HP RPM1 QTY LRA FLA MCA
2PE04704706 208/230-1-60 3/4 1075 1 24.9 5 6.3 10 4800
2PE04704746 460-1-60 3/4 1075 1 N/A 2.2 2.8 5 4800
2PE04704758 575-1-60 3/4 1050 1 N/A 1.5 1.9 4 4800
1. Motors are multi-tapped and factory wired for high speed.

RPM selection
Size Max Motor Blower 6 turns 5 turns 4 turns 3 turns 2 turns 1 turns Fully
Model Airflow option HP
(tons) BHP sheave sheave open open open open open open closed
Field supplied 1.5 1.5 1VL34 AK79 N/A 465 512 557 606 651 695
037 Standard 1.5 1.5 1VL40 AK79 N/A 612 661 707 752 799 844
ZT
(3) High static 1.5 1.5 1VL40 AK61 N/A 782 846 906 968 1022 1085
Field supplied 1.5 1.5 1VL40 AK54 N/A 896 960 1030 1090 166 1238
Standard 1.5 1.5 1VL34 AK64 N/A 576 631 688 747 800 859
049
ZT High static 1.5 1.5 1VL44 AK69 N/A 792 844 892 944 996 1045
(4)
Field Supplied 1.5 1.5 1VL44 AK59 N/A 915 989 1050 1113 1173 1238
Field Supplied 1.5 1.5 1VL40 AK79 N/A 609 656 703 746 792 839
061 Standard 1.5 1.5 1VL40 AK61 N/A 782 846 906 968 1022 1085
ZT
(5) Field Supplied 2 2 1VL40 AK54 N/A 896 960 1030 1090 1166 1238
High static 2 2 1VM50 AK64 N/A 1022 1079 1135 1190 1246 1297
078 Standard 1.5 1.725 1VL40 AK74 N/A 663 713 759 803 840 882
ZT
(6.5) High static 2 2.3 1VM50 AK74 N/A 884 927 977 1025 1074 1121
090 Standard 1.5 1.725 1VL40 AK69 N/A 714 761 799 852 905 955
ZT
(7.5) High static 3 3.45 1VM50 AK69 N/A 952 1002 1043 1104 1140 1202
102 Standard 2 2.3 1VM50 AK89 N/A 737 775 812 851 889 926
ZT
(8.5) High static 3 3.45 1VM50 AK74 N/A 903 943 985 1028 1071 1113
120 Standard 2 2.3 1VM50 AK84 N/A 781 819 859 897 932 969
ZT
(10) High static 3 3.45 1VM50 AK74 N/A 903 943 985 1028 1076 1113
150 Standard 3 3.45 1VM50 AK74 N/A 908 955 1003 1049 1094 1142
ZT
(12.5) High static 5 5.75 1VP56 BK77 1104 1102 1157 1200 1246 1282 1328

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Additional static resistance - ZT037 through 061

ZT090 (7.5 ton) side duct

3000 662 0.90 723 1.13 779 1.33 833 1.51 886 1.68 939 1.85 994 2.01 1052 2.18 1115 2.36 1184 2.56

3200 677 1.07 737 1.29 794 1.50 848 1.68 901 1.85 954 2.01 1009 2.18 1067 2.34 1130 2.52 1199 2.72

3400 694 1.24 754 1.47 811 1.67 865 1.86 918 2.03 971 2.19 1026 2.35 1084 2.52 1147 2.70 1216 2.90

3600 713 1.43 774 1.66 831 1.86 885 2.05 937 2.22 991 2.38 1045 2.54 1104 2.71 1166 2.89 1235 3.09
3800 736 1.63 796 1.86 853 2.06 907 2.24 960 2.41 1013 2.58 1068 2.74 1126 2.91 1189 3.09 1258 3.29

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ZT102 (8.5 ton) side duct

3600 720 1.40 778 1.67 835 1.89 890 2.07 945 2.22 1001 2.37 1059 2.51 1119 2.66 1184 2.85 1254 3.07

3800 743 1.60 802 1.87 858 2.08 913 2.26 968 2.42 1024 2.56 1082 2.70 1143 2.86 1207 3.04 1277 3.26

4000 768 1.81 826 2.07 883 2.29 938 2.47 993 2.63 1049 2.77 1106 2.91 1167 3.07 1232 3.25 - -
4200 794 2.03 852 2.29 909 2.51 964 2.69 1019 2.85 1075 2.99 1133 3.13 1193 3.29 - - - -
3 HP and field supplied drive

ZT120 (10 ton) side duct

3400 705 1.24 760 1.48 814 1.69 866 1.87 919 2.04 973 2.20 1028 2.36 1087 2.53 1150 2.70 1218 2.90

3600 726 1.42 781 1.66 835 1.87 887 2.06 940 2.23 993 2.39 1049 2.55 1108 2.71 1171 2.89 1239 3.09

3800 749 1.62 805 1.86 858 2.07 910 2.26 963 2.43 1017 2.59 1072 2.75 1131 2.91 1194 3.09 1262 3.28

4000 775 1.83 830 2.07 883 2.28 936 2.46 989 2.63 1042 2.79 1098 2.95 1157 3.12 1220 3.29 1287 3.49

4200 803 2.04 858 2.28 911 2.49 964 2.68 1016 2.85 1070 3.01 1126 3.17 1185 3.33 1247 3.51 - -
4400 833 2.27 888 2.51 941 2.72 994 2.90 1046 3.07 1100 3.24 1156 3.39 - - - - - -
4600 865 2.50 920 2.74 973 2.95 1026 3.14 1078 3.31 - - - - - - - - - -
3 HP and field supplied drive

Johnson Controls Ducted Systems 81

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ZT150 (12.5 ton) side duct

Available external static pressure - IWG1
Air flow
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
(CFM)
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
Field supplied drive Standard 3 HP and drive
3200 736 0.44 774 0.79 816 1.12 861 1.41 910 1.68 960 1.92 1012 2.15 1065 2.36 1118 2.57 1171 2.77
3400 751 0.64 789 1.00 831 1.32 877 1.61 925 1.88 975 2.13 1027 2.35 1080 2.57 1133 2.77 1186 2.98
3600 768 0.87 806 1.22 848 1.55 894 1.84 942 2.11 992 2.35 1044 2.58 1097 2.79 1150 3.00 1203 3.20
3800 787 1.11 825 1.47 867 1.79 913 2.09 961 2.35 1011 2.60 1063 2.83 1116 3.04 1169 3.25 1222 3.45
4000 808 1.38 846 1.74 888 2.06 933 2.35 982 2.62 1032 2.86 1084 3.09 1137 3.31 1190 3.51 1242 3.71
4200 830 1.67 868 2.03 910 2.35 956 2.64 1004 2.91 1054 3.15 1106 3.38 1159 3.59 1212 3.80 1265 4.00

4400 854 1.98 892 2.33 934 2.66 980 2.95 1028 3.21 1078 3.46 1130 3.69 1183 3.90 1236 4.11 1289 4.31

4600 880 2.30 918 2.66 960 2.98 1005 3.28 1053 3.54 1104 3.79 1156 4.01 1209 4.23 1262 4.43 1314 4.64

Available external static pressure - IWG1
Air flow
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
(CFM)
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
Field supplied drive Standard 3 HP and drive High static 5 HP and drive
3200 829 0.96 870 1.21 914 1.46 960 1.70 1009 1.93 1059 2.15 1111 2.37 1164 2.57 1218 2.76 1273 2.93
3400 853 1.18 894 1.43 938 1.68 984 1.92 1033 2.15 1083 2.38 1135 2.59 1188 2.79 1242 2.98 1297 3.16
3600 879 1.43 920 1.68 964 1.93 1010 2.17 1059 2.40 1109 2.63 1161 2.84 1214 3.04 1268 3.23 1323 3.41
3800 907 1.70 948 1.95 992 2.20 1038 2.44 1087 2.67 1137 2.90 1189 3.11 1242 3.31 1296 3.50 1351 3.68
4000 937 1.99 978 2.25 1022 2.50 1068 2.74 1117 2.97 1167 3.19 1219 3.40 1272 3.61 1326 3.80 1381 3.97
4200 969 2.31 1010 2.57 1054 2.81 1101 3.05 1149 3.29 1200 3.51 1252 3.72 1305 3.93 1359 4.11 1413 4.29
4400 1003 2.65 1045 2.91 1089 3.16 1135 3.40 1184 3.63 1234 3.85 1286 4.06 1339 4.27 1393 4.46 1448 4.63
4600 1040 3.02 1081 3.27 1125 3.52 1171 3.76 1220 3.99 1270 4.22 1322 4.43 1375 4.63 1429 4.82 1484 5.00
4800 1078 3.41 1119 3.66 1163 3.91 1210 4.15 1258 4.38 1309 4.60 1361 4.82 1414 5.02 1468 5.21 1522 5.38
5000 1119 3.82 1160 4.07 1204 4.32 1250 4.56 1299 4.79 1349 5.01 1401 5.23 1454 5.43 1508 5.62 1563 5.79
5200 1161 4.25 1202 4.50 1246 4.75 1293 4.99 1341 5.22 1392 5.45 1443 5.66 - - - - - -
5400 1205 4.70 1246 4.95 1290 5.20 1337 5.44 1385 5.67 - - - - - - - - - -
5600 1251 5.17 1292 5.43 1336 5.68 - - - - - - - - - - - - - -
5800 1299 5.67 - - - - - - - - - - - - - - - - - -
5 HP and field supplied drive
1. Blower performance includes gas heat exchangers and 2-in. filters. See the static resistance table for additional applications.
2. See the RPM selection table to determine the required motor sheave setting and to determine the maximum continuous BHP.
3. kW = BHP x 0.932.

Johnson Controls Ducted Systems 85

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Sound performance
Indoor sound power levels (3 through 5 ton)
Indoor sound power levels (horizontal ducted inlet, standard static belt drive)
Unit description/model ZT037 / 3 ton / standard static belt drive
Test configuration Horizontal (side return) ducted inlet
Indoor blower speed (RPM) 612 - 3 turns open equivalent 709 - 1 turn open equivalent
External static pressure (IWG) 0.5 0.4
Airflow (CFM) 850 1300
Blower motor BHP 0.37 0.40
Octave center freq. Hz ID blower only (dB) Cooling operation1 (dB) ID blower only (dB) Cooling operation1 (dB)
63 73 77 73 77
125 61 70 66 71
250 56 63 60 64
500 51 56 55 57
1000 44 48 51 52
2000 41 44 48 49
4000 44 47 47 48
8000 42 44 43 44

1. Cooling operation – ID blower, compressor and outdoor fan operating at 230 VAC.
• Tested in accordance with AHRI Standard 260-2001. Refer to 2001 Standard for Sound Rating of Ducted Air Moving and Conditioning
Equipment.
• Testing datum includes effect of standard inlet air filters.
• Test duct dimension: 18 in. wide x 28 in. high x 8 ft. long, no elbows.
• Test duct termination is flush with reverberant room wall.
• Duct end (sound reflection) corrections included: (7.2, 3.4, 1.2, 0.4, 0.1, 0, 0, 0) dB at (63, 125, 250, 500, 1k, 2k, 4k, 8k) Hz respectively.

Unit description/model ZT049 / 4 ton / standard static belt drive

Indoor sound power levels (vertical ducted inlet, standard static belt drive)

Unit description/model ZT037 / 3 ton / standard static belt drive

Test configuration Vertical (bottom return) ducted inlet
Indoor blower speed (RPM) 609 - 3 turns open equivalent 708 - 1 turn open equivalent
External static pressure (IWG) 0.4 0.4
Airflow (CFM) 850 1150
Blower motor BHP 0.32 0.38
Octave center freq. Hz ID blower only (dB) Cooling operation1 (dB) ID blower only (dB) Cooling operation1 (dB)
63 76 76 74 76
125 63 70 66 70
250 55 62 59 62
500 54 55 58 59
1000 48 48 53 53
2000 44 44 48 48
4000 41 44 45 46
8000 42 43 43 44

1. Differentials for cooling operation (IDB, COMP, & ODF) are logarithmically calculated from the horizontal flow sound test.
• Tested in accordance with AHRI Standard 260-2001. Refer to 2001 Standard for Sound Rating of Ducted Air Moving and Conditioning
Equipment.
• Testing datum includes effect of standard inlet air filters.
• Test duct dimension: 18 in. wide x 28 in. high x 8 ft. long, no elbows.
• Test duct termination is flush with reverberant room wall.
• Duct end (sound reflection) corrections included: (7.2, 3.4, 1.2, 0.4, 0.1, 0, 0, 0) dB at (63, 125, 250, 500, 1k, 2k, 4k, 8k) Hz respectively.

Unit description/model ZT049 / 4 ton / standard static belt drive

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Unit description/model ZT061 / 5 ton / standard static belt drive

Test configuration Vertical (bottom return) ducted inlet
Indoor blower speed (RPM) 812 - 3 turns open equivalent 915- 1 turn open equivalent
External static pressure (IWG) 0.6 0.8
Airflow (CFM) 1575 1800
Blower motor BHP 0.64 0.83
Octave center freq. Hz ID blower only (dB) Cooling operation1 (dB) ID blower only (dB) Cooling operation1 (dB)
63 75 78 80 80
125 66 80 69 81
250 59 66 62 65
500 60 60 63 63
1000 57 57 60 60
2000 52 53 55 55
4000 49 50 53 53
8000 44 45 47 47

Indoor sound power levels (vertical ducted discharge, standard static belt drive)

Unit description/model ZT037 / 3 ton / standard static belt drive

Test configuration Vertical (bottom supply) ducted discharge
Indoor blower speed (RPM) 609 - 3 turns open equivalent 712 - 1 turn open equivalent
External static pressure (IWG) 0.4 0.6
Airflow (CFM) 850 950
Blower motor BHP 0.32 0.42
Octave center freq. Hz ID blower only (dB) Cooling operation1 (dB) ID blower only (dB) Cooling operation1 (dB)
63 76 77 81 81
125 68 68 72 72
250 55 65 57 57
500 56 57 57 57
1000 51 57 52 56
2000 49 49 50 50
4000 48 48 49 51
8000 46 46 47 48

1. Differentials for Cooling operation (IDB, COMP, & ODF) are logarithmically calculated from the horizontal flow sound test.
• Tested in accordance with AHRI Standard 260-2001. Refer to 2001 Standard for Sound Rating of Ducted Air Moving and Conditioning
Equipment.
• Testing datum includes effect of standard inlet air filters.
• Test duct dimension: 18 in. wide x 28 in. high x 8 ft. long, no elbows.
• Test duct termination is flush with reverberant room wall.
• Duct end (sound reflection) corrections included: (7.2, 3.4, 1.2, 0.4, 0.1, 0, 0, 0) dB at (63, 125, 250, 500, 1k, 2k, 4k, 8k) Hz respectively.

90 Johnson Controls Ducted Systems

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Unit description/model ZT049 / 4 ton / standard static belt drive

Test configuration Vertical (bottom supply) ducted discharge
Indoor blower speed (RPM) 609 - 3 turns open equivalent 712 - 1 turn open equivalent
External static pressure (IWG) 0.4 0.6
Airflow (CFM) 850 950
Blower motor BHP 0.32 0.42
Octave center freq. Hz ID blower only (dB) Cooling operation1 (dB) ID blower only (dB) Cooling Operation1 (dB)
63 76 77 81 81
125 68 68 72 72
250 55 65 57 57
500 56 57 57 57
1000 51 57 52 56
2000 49 49 50 50
4000 48 48 49 51
8000 46 46 47 48

Unit description/model ZT061 / 5 ton / standard static belt drive

Test configuration Vertical (bottom supply) ducted discharge
Indoor blower speed (RPM) 809 - 3 turns open equivalent 914 - 1 turn open equivalent
External static pressure (IWG) 0.5 0.8
Airflow (CFM) 1700 1800
Blower motor BHP 0.64 0.83
Octave center freq. Hz ID blower only (dB) Cooling operation1 (dB) ID blower only (dB) Cooling Operation1 (dB)
63 81 81 79 79
125 75 75 75 76
250 65 65 63 63
500 67 67 67 67
1000 63 63 63 63
2000 61 62 61 61
4000 62 62 61 61
8000 57 57 56 56

Johnson Controls Ducted Systems 91

Unit description/model ZT061 / 5 ton / high static belt drive

Test configuration Horizontal (side supply) ducted discharge
Indoor blower speed (RPM) 1,009- 5.5 turns open equivalent 1,131 - 3 turns open equivalent 1,184 - 2 turns open equivalent
External static pressure (IWG) 1.0 1.6 2.0
Nominal airflow (CFM) 2,000 1,800 1,600
Blower motor BHP 1.04 1.25 1.39
ID blower Cooling ID blower Cooling ID blower Cooling
Octave center freq. Hz
only (dB) Operation1 (dB) only (dB) Operation1 (dB) only (dB) Operation1 (dB)
63 84 85 82 83 82 83
125 78 79 79 79 78 79
250 75 75 74 75 73 73
500 71 71 70 71 69 69
1000 69 69 71 71 71 72
2000 66 67 67 67 66 66
4000 66 66 66 67 66 66
8000 61 62 61 62 60 60

94 Johnson Controls Ducted Systems

Test configuration Vertical (bottom supply) ducted discharge
Indoor blower speed (RPM) 962 - 5.5 turns open equivalent 1,092 - 3.5 turns open equivalent 1,190 - 2.0 turns open equivalent
External static pressure (IWG) 1.0 1.6 2.0
Nominal airflow (CFM) 1,600 1,400 1,200
Blower motor BHP 0.86 1.03 1.13
Cooling operation1 Cooling operation1 Cooling operation1
Octave center freq. Hz ID blower only (dB) ID blower only (dB) ID blower only (dB)
(dB) (dB) (dB)
63 83 84 82 82 83 83
125 80 81 79 80 80 81
250 75 75 74 75 75 75
500 71 72 70 71 71 72
1000 66 67 70 71 72 72
2000 63 64 64 64 65 65
4000 64 64 64 64 65 66
8000 58 59 59 59 60 60

Unit description/model ZT061 / 5 ton / high static belt drive

Test configuration Vertical (bottom supply) ducted discharge
Indoor blower speed (RPM) 1,033 - 5.5 turns open equivalent 1,135 - 3 turns open equivalent 1,175 - 2.5 turns open equivalent
External static pressure (IWG) 1.0 1.6 2.0
Nominal airflow (CFM) 2,000 1,135 1,175
Blower motor BHP 1.11 1.25 1.39
Cooling operation1 Cooling operation1 Cooling operation1
Octave center freq. Hz ID blower only (dB) ID blower only (dB) ID blower only (dB)
(dB) (dB) (dB)
63 83 83 83 83 85 86
125 84 84 82 82 79 81
250 79 80 77 78 66 66
500 73 73 70 71 65 66
1000 69 70 69 70 61 65
2000 67 67 65 66 60 61
4000 67 68 66 67 61 62
8000 62 63 60 61 54 54

Johnson Controls Ducted Systems 97

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Indoor sound power levels (6.5 to 12.5 ton units)

Indoor sound power levels (vertical ducted discharge)
Unit description/model ZT078
Test configuration Vertical (bottom supply) ducted discharge
External static pressure (IWG) 0.4 1.0 1.6 2.0
Nominal airflow (CFM) 2600 2400 2200 2000
Octave band center frequency Full stage cooling operation Full stage cooling operation Full stage cooling operation Full stage cooling operation
(Hz) (dB)1 (dB)1 (dB)1 (dB)1
63 83 87 90 91
125 81 83 85 86
250 72 73 74 75
500 69 69 71 72
1000 64 65 67 69
2000 62 62 64 65
4000 61 62 64 65
8000 54 56 57 59

1. These values have been accessed using a model of sound propagation from a point source into the hemispheric/free field. The dBA values
provided are to be used for reference only. Calculation of dBA values cover matters of system design and the fan manufacture has no way
of knowing the details of each system. This constitutes an exception to any specification or guarantee requiring a dBA value of sound data
in any other form than sound power level ratings

Unit description/model ZT090

Test configuration Vertical (bottom supply) ducted discharge
External static pressure (IWG) 0.4 1.0 1.6 2.0
Nominal airflow (CFM) 3000 2800 2600 2400
Octave band center frequency Full stage cooling operation Full stage cooling operation Full stage cooling operation Full stage cooling operation
(Hz) (dB)1 (dB)1 (dB)1 (dB)1
63 86 87 89 90
125 85 87 89 90
250 78 79 80 81
500 72 74 75 76
1000 67 69 71 72
2000 65 67 69 70
4000 64 67 68 69
8000 57 60 62 63

98 Johnson Controls Ducted Systems

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Unit description/model ZT102

Test configuration Vertical (bottom supply) ducted discharge
External static pressure (IWG) 0.4 1.0 1.6 2.0
Nominal airflow (CFM) 3400 3200 3000 2800
Octave band center frequency Full stage cooling operation Full stage cooling operation Full stage cooling operation Full stage cooling operation
(Hz) (dB)1 (dB)1 (dB)1 (dB)1
63 87 89 90 90
125 87 88 90 91
250 80 81 82 84
500 75 75 78 79
1000 70 71 73 75
2000 68 69 71 73
4000 68 68 71 72
8000 61 62 64 66

Unit description/model ZT120

Test configuration Vertical (bottom supply) ducted discharge
External static pressure (IWG) 0.4 1.0 1.6 2.0
Nominal airflow (CFM) 4000 3800 3600 3400
Octave band center frequency Full stage cooling operation Full stage cooling operation Full stage cooling operation Full stage cooling operation
(Hz) (dB)1 (dB)1 (dB)1 (dB)1
63 92 92 91 91
125 91 91 92 93
250 85 85 87 88
500 79 80 81 83
1000 75 76 78 79
2000 73 74 75 77
4000 72 73 75 76
8000 65 66 68 69

Johnson Controls Ducted Systems 99

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Unit description/model ZT150

Test configuration Vertical (bottom supply) ducted discharge
External static pressure (IWG) 0.4 1.0 1.6 2.0
Nominal airflow (CFM) 4600 4400 4200 4000
Octave band center frequency Full stage cooling operation Full stage cooling operation Full stage cooling operation Full stage cooling operation
(Hz) (dB)1 (dB)1 (dB)1 (dB)1
63 87 86 86 87
125 85 86 88 89
250 76 76 78 78
500 72 73 74 74
1000 66 67 69 69
2000 63 64 66 66
4000 63 64 65 66
8000 56 57 58 59

Indoor sound power levels (horizontal ducted discharge)

Unit description/model ZT078

Test configuration Horizontal (side supply) ducted discharge
External static pressure (IWG) 0.4 1.0 1.6 2.0
Nominal airflow (CFM) 2600 2400 2200 2000
Octave band center frequency Full stage cooling operation Full stage cooling operation Full stage cooling operation Full stage cooling operation
(Hz) (dB)1 (dB)1 (dB)1 (dB)1
63 84 88 91 93
125 76 80 86 90
250 70 73 80 85
500 66 67 74 79
1000 62 65 73 80
2000 60 63 70 75
4000 58 61 69 75
8000 52 54 63 69

100 Johnson Controls Ducted Systems

5167821-YTG-K-1118

Unit description/model ZT090

Test configuration Horizontal (side supply) ducted discharge
External static pressure (IWG) 0.4 1.0 1.6 2.0
Nominal airflow (CFM) 3000 2800 2600 2400
Octave band center frequency Full stage cooling operation Full stage cooling operation Full stage cooling operation Full stage cooling operation
(Hz) (dB)1 (dB)1 (dB)1 (dB)1
63 84 86 89 90
125 80 82 84 86
250 73 75 77 79
500 67 68 69 71
1000 64 66 68 70
2000 62 64 66 68
4000 60 63 65 67
8000 53 56 58 60

Unit description/model ZT102

Test configuration Horizontal (side supply) ducted discharge
External static pressure (IWG) 0.4 1.0 1.6 2.0
Nominal airflow (CFM) 3400 3200 3000 2800
Octave band center frequency Full stage cooling operation Full stage cooling operation Full stage cooling operation Full stage cooling operation
(Hz) (dB)1 (dB)1 (dB)1 (dB)1
63 87 89 90 91
125 81 83 85 86
250 75 76 79 81
500 70 70 73 75
1000 68 69 72 74
2000 66 67 70 72
4000 64 65 68 71
8000 58 59 63 65

Johnson Controls Ducted Systems 101

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Unit description/model ZT120

Johnson Controls Ducted Systems 105

5167821-YTG-K-1118

ZT037-150 standard indoor blower - without powered convenience outlet (continued)

1. Minimum Circuit Ampacity.

2. Dual Element, Time Delay Type.
3. HACR type per NEC.

106 Johnson Controls Ducted Systems

5167821-YTG-K-1118

ZT037-150 high static indoor blower - without powered convenience outlet

Compressors OD fan Supply Pwr Pwr 2
(each) motors blower exh conv Electric heat option MCA1 Max fuse2/ Max fuse3 /
Size (each) motor motor outlet MCA1 with pwr breaker3 breaker
Volt RLA LRA MCC size with
(tons) (amps) exh size
(amps) (amps) pwr exh
C1 C2 C1 C2 C1 C2 FLA FLA FLA FLA Model kW Stages Amps
(amps)
None - - - 25.8 31.3 35 40
E03 2.3 1 6.4 25.8 31.3 35 40
208 11.6 73 18 3.5 4.3 5.5 E06 4.5 1 12.5 25.8 31.3 35 40
E08 6.8 1 18.9 29 35.9 35 40
E15 11.3 2 31.4 44.6 51.5 45 60
None - - - 25.8 31.3 35 40
E03 3 1 7.2 25.8 31.3 35 40
230 11.6 73 18 3.5 4.3 5.5 E06 6 1 14.4 25.8 31.3 35 40
037 E08 9 1 21.7 32.5 39.4 35 40
(3) E15 15 2 36.1 50.5 57.4 60 60
None - - - 12.4 14.6 15 20
E03 3 1 3.6 12.4 14.6 15 20
460 5.7 38 9 1.6 2.1 2.2 E06 6 1 7.2 12.4 14.6 15 20
E08 9 1 10.8 16.1 18.9 20 20
E15 15 2 18 25.1 27.9 30 30
None - - - 9.8 11.6 15 15
575 4.0 25.6 6.2 3.5 2.0 1.8 0.0 E09 9.0 1 8.7 13.3 15.6 15 20
E15 15.0 2 14.4 20.5 22.8 25 25
None - - - 28.8 34.3 40 45
E06 4.5 1 12.5 28.8 34.3 40 45
208 14.0 83.1 21.9 3.5 4.3 5.5 0.0 E09 6.8 1 18.9 29.0 35.8 40 45
E15 11.3 2 31.4 44.6 51.5 45 60
E20 15.0 2 41.6 57.4 64.3 60 70
None - - - 28.8 34.3 40 45
E06 6.0 1 14.4 28.8 34.3 40 45
230 14.0 83.1 21.9 3.5 4.3 5.5 0.0 E09 9.0 1 21.7 32.4 39.3 40 45
E15 15.0 2 36.1 50.5 57.4 60 60
049
E20 20.0 2 48.1 65.5 72.4 70 80
(4)
None - - - 13.6 15.8 20 20
E06 6.0 1 7.2 13.6 15.8 20 20
460 6.4 41.0 10.0 3.5 2.1 2.2 0.0 E09 9.0 1 10.8 16.2 18.9 20 20
E15 15.0 2 18.0 25.2 27.9 30 30
E20 20.0 2 24.1 32.7 35.4 35 40
None - - - 10.6 12.4 15 15
E09 9.0 1 8.7 13.3 15.6 15 20
575 4.6 33.0 7.1 3.5 2.0 1.8 0.0
E15 15.0 2 14.4 20.5 22.8 25 25
E20 20.0 2 19.2 26.6 28.8 30 30
None - - - 34.4 39.9 45 50
E06 4.5 1 12.5 34.4 39.9 45 50
E09 6.8 1 18.9 34.4 39.9 45 50
208 16.5 110.0 25.8 3.5 6.8 5.5 0.0
E15 11.3 2 31.4 47.7 54.6 50 60
E20 15.0 2 41.6 60.5 67.4 70 70
E24 18.0 2 50.0 71.0 77.8 80 80
None - - - 34.4 39.9 45 50
E06 6.0 1 14.4 34.4 39.9 45 50
E09 9.0 1 21.7 35.6 42.4 45 50
230 16.5 110.0 25.8 3.5 6.8 5.5 0.0
E15 15.0 2 36.1 53.6 60.5 60 70
E20 20.0 2 48.1 68.6 75.5 70 80
061
E24 24.0 2 57.7 80.7 87.5 90 90
(5)
None - - - 15.7 17.9 20 25
E06 6.0 1 7.2 15.7 17.9 20 25
E09 9.0 1 10.8 17.5 20.2 20 25
460 7.2 52.0 11.3 3.5 3.2 2.2 0.0
E15 15.0 2 18.0 26.5 29.2 30 30
E20 20.0 2 24.1 34.0 36.8 35 40
E24 24.0 2 28.9 40.0 42.8 40 45
None - - - 11.9 13.7 15 15
E09 9.0 1 8.7 13.6 15.9 15 20
575 5.5 38.9 8.6 3.5 2.2 1.8 0.0 E15 15.0 2 14.4 20.8 23.0 25 25
E20 20.0 2 19.2 26.8 29.0 30 30
E24 24.0 2 23.1 31.6 33.9 35 35

Johnson Controls Ducted Systems 107

5167821-YTG-K-1118

1. Minimum Circuit Ampacity.

2. Dual Element, Time Delay Type.
3. HACR type per NEC.

112 Johnson Controls Ducted Systems

5167821-YTG-K-1118

ZT037-150 high static indoor blower - with powered convenience outlet

Compressors OD fan Supply Pwr Pwr 2
(each) motors blower exh conv Electric heat option MCA1 Max fuse2/ Max fuse3 /
Size MCA1
with pwr breaker 3 breaker
Volt RLA LRA MCC (each) motor motor outlet size with
(tons) (amps) exh size
(amps) (amps) pwr exh
C1 C2 C1 C2 C1 C2 FLA FLA FLA FLA Model kW Stages Amps
(amps)
None - - - 35.8 41.3 45 50
E03 2.3 1 6.4 35.8 41.3 45 50
208 11.6 73 18 3.5 4.3 5.5 20 E06 4.5 1 12.5 35.8 41.3 45 50
E08 6.8 1 18.9 41.5 48.4 45 50
E15 11.3 2 31.4 57.1 64 60 70
None - - - 35.8 41.3 45 50
E03 3 1 7.2 35.8 41.3 45 50
230 11.6 73 18 3.5 4.3 5.5 20 E06 6 1 14.4 35.9 42.8 45 50
037 E08 9 1 21.7 45 51.9 45 60
(3) E15 15 2 36.1 63 69.9 70 70
None - - - 17.4 19.6 20 25
E03 3 1 3.6 17.4 19.6 20 25
460 5.7 38 9 1.6 2.1 2.2 20 E06 6 1 7.2 17.9 20.6 20 25
E08 9 1 10.8 22.4 25.1 25 30
E15 15 2 18 31.4 34.1 35 35
None - - - 13.8 15.6 15 20
575 4.0 25.6 6.2 3.5 2.0 1.8 4.0 E09 9.0 1 8.7 18.3 20.6 20 25
E15 15.0 2 14.4 25.5 27.8 30 30
None - - - 38.8 44.3 50 50
E06 4.5 1 12.5 38.8 44.3 50 50
208 14.0 83.1 21.9 3.5 4.3 5.5 10.0 E09 6.8 1 18.9 41.5 48.3 50 50
E15 11.3 2 31.4 57.1 64.0 60 70
E20 15.0 2 41.6 69.9 76.8 70 80
None - - - 38.8 44.3 50 50
E06 6.0 1 14.4 38.8 44.3 50 50
230 14.0 83.1 21.9 3.5 4.3 5.5 10.0 E09 9.0 1 21.7 44.9 51.8 50 60
E15 15.0 2 36.1 63.0 69.9 70 70
049
E20 20.0 2 48.1 78.0 84.9 80 90
(4)
None - - - 18.6 20.8 25 25
E06 6.0 1 7.2 18.6 20.8 25 25
460 6.4 41.0 10.0 3.5 2.1 2.2 5.0 E09 9.0 1 10.8 22.4 25.2 25 30
E15 15.0 2 18.0 31.4 34.2 35 35
E20 20.0 2 24.1 38.9 41.7 40 45
None - - - 14.6 16.4 15 20
E09 9.0 1 8.7 18.3 20.6 20 25
575 4.6 33.0 7.1 3.5 2.0 1.8 4.0
E15 15.0 2 14.4 25.5 27.8 30 30
E20 20.0 2 19.2 31.6 33.8 35 35
None - - - 44.4 49.9 60 60
E06 4.5 1 12.5 44.4 49.9 60 60
E08 6.8 1 18.9 44.6 51.5 60 60
208 16.5 110.0 26 3.5 6.8 5.5 20
E15 11.3 2 31.4 60.3 67.1 70 70
E20 15 2 41.6 73 79.9 80 80
E23 18 2 50 83.5 90.4 90 100
None - - - 44.4 49.9 60 60
E06 6 1 14.4 44.4 49.9 60 60
E08 9 1 21.7 48.1 55 60 60
230 16.5 110.0 26 3.5 6.8 5.5 20
E15 15 2 36.1 66.1 73 70 80
E20 20 2 48.1 81.1 88 90 90
061
E23 24 2 57.7 93.1 100 100 100
(5)
None - - - 20.7 22.9 25 30
E06 6 1 7.2 20.7 22.9 25 30
E08 9 1 10.8 23.7 26.4 25 30
460 7.2 52.0 11 3.5 3.15 2.2 20
E15 15 2 18 32.7 35.4 35 40
E20 20 2 24.1 40.3 43.1 45 45
E23 24 2 28.9 46.3 49.1 50 50
None - - - 15.9 17.7 20 20
E08 9 1 8.7 18.6 20.9 20 25
575 5.5 38.9 9 3.5 2.2 1.8 20 E15 15 2 14.4 25.8 28 30 30
E20 20 2 19.2 31.8 34 35 35
E23 24 2 23.1 36.6 38.9 40 40

Johnson Controls Ducted Systems 113

5167821-YTG-K-1118

ZT037-150 high static indoor blower - with powered convenience outlet (continued)
Compressors OD fan Supply Pwr Pwr 2
(each) motors blower exh conv Electric heat option MCA1 Max fuse2/ Max fuse3 /
Size (each) motor motor outlet MCA1 with pwr breaker3 breaker
Volt RLA LRA MCC size with
(tons) (amps) exh size
(amps) (amps) pwr exh
C1 C2 C1 C2 C1 C2 FLA FLA FLA FLA Model kW Stages Amps
(amps)
None - - - 56.9 62.4 60 70
E09 6.8 1 18.9 56.9 62.4 60 70
208 11.6 11.6 73 73 18 18 3.5 6.8 5.5 20 E18 13.5 2 37.5 67.9 74.8 70 80
E24 18 2 50 83.5 90.4 90 100
E36 25.5 2 70.8 109.5 116.4 110 125
None - - - 56.9 62.4 60 70
E09 9 1 21.7 56.9 62.4 60 70
078
230 11.6 11.6 73 73 18 18 3.5 6.8 5.5 20 E18 18 2 43.3 75.1 82 80 90
(6.5)
E24 24 2 57.7 93.1 100 100 100
E36 34 2 81.8 123.3 130.1 125 150
None - - - 27.6 29.8 30 35
E09 9 1 10.8 27.6 29.8 30 35
460 5.7 5.7 38 38 9 9 1.6 3.4 2.2 20 E18 18 2 21.7 37.6 40.4 40 45
E24 24 2 28.9 46.6 49.4 50 50
E36 34 2 40.9 61.6 64.4 70 70
None - - - 62.7 68.2 70 80
E09 6.8 1 18.9 62.7 68.2 70 80
208 11.6 14 73 83.1 18 22 3.5 9.6 5.5 20 E18 13.5 2 37.5 71.4 78.3 80 80
E24 18 2 50 87 93.9 90 100
E36 25.5 2 70.8 113 119.9 125 125
None - - - 62.7 68.2 70 80
E09 9 1 21.7 62.7 68.2 70 80
090
230 11.6 14 73 83.1 18 22 3.5 9.6 5.5 20 E18 18 2 43.3 78.6 85.5 80 90
(7.5)
E24 24 2 57.7 96.6 103.5 100 110
E36 34 2 81.8 126.8 133.6 150 150
None - - - 29.8 32 35 35
E09 9 1 10.8 29.8 32 35 35
460 5.7 6.4 38 41 9 10 1.6 4.7 2.2 20 E18 18 2 21.7 39.3 42 40 45
E24 24 2 28.9 48.3 51 50 60
E36 34 2 40.9 63.3 66 70 70
None - - - 65.1 70.6 70 80
E09 6.8 1 18.9 65.1 70.6 70 80
208 14 14 83.1 83.1 22 22 3.5 9.6 5.5 20 E18 13.5 2 37.5 71.4 78.3 80 80
E24 18 2 50 87 93.9 90 100
E36 25.5 2 70.8 113 119.9 125 125
None - - - 65.1 70.6 70 80
E09 9 1 21.7 65.1 70.6 70 80
102
230 14 14 83.1 83.1 22 22 3.5 9.6 5.5 20 E18 18 2 43.3 78.6 85.5 80 90
(8.5)
E24 24 2 57.7 96.6 103.5 100 110
E36 34 2 81.8 126.8 133.6 150 150
None - - - 30.5 32.7 35 35
E09 9 1 10.8 30.5 32.7 35 35
460 6.4 6.4 41 41 10 10 1.6 4.7 2.2 20 E18 18 2 21.7 39.3 42 40 45
E24 24 2 28.9 48.3 51 50 60
E36 34 2 40.9 63.3 66 70 70
None - - - 70.1 75.6 80 90
E18 13.5 2 37.5 71.4 78.3 80 90
208 16.2 16.2 110 110 25 25 3.5 9.6 5.5 20 E24 18 2 50 87 93.9 90 100
E36 25.5 2 70.8 113 119.9 125 125
E54 40.6 2 112.7 165.4 172.3 175 175
None - - - 70.1 75.6 80 90
E18 18 2 43.3 78.6 85.5 80 90
120
230 16.2 16.2 110 110 25 25 3.5 9.6 5.5 20 E24 24 2 57.7 96.6 103.5 100 110
(10)
E36 34 2 81.8 126.8 133.6 150 150
E54 54 2 129.9 154.4 161.3 175 175
None - - - 33.2 35.4 40 40
E18 18 2 21.7 39.3 42 40 45
460 7.6 7.6 52 52 12 12 1.6 4.7 2.2 20 E24 24 2 28.9 48.3 51 50 60
E36 34 2 40.9 63.3 66 70 70
E54 54 2 65 77.1 79.9 90 90

114 Johnson Controls Ducted Systems

5167821-YTG-K-1118

1. Minimum Circuit Ampacity.

2. Dual Element, Time Delay Type.
3. HACR type per NEC.

Electric heat multipliers

Voltage
kW capacity multipliers1
Nominal Applied
208 0.75
240
230 0.92
480 460 0.92
600 575 0.92
1. Electric heaters are rated at nominal voltage. Use this table to determine the electric heat
capacity for heaters applied at lower voltages.

Johnson Controls Ducted Systems 115

5167821-YTG-K-1118

Typical wiring diagrams

ZT037-150 typical wiring diagrams
Typical ZT037-061 cooling unit with gas heat 208/230 volt wiring diagram

116 Johnson Controls Ducted Systems

5167821-YTG-K-1118

Typical ZT037-061 cooling unit with gas heat 208/230 volt unit (options)

Johnson Controls Ducted Systems 117

5167821-YTG-K-1118

Typical ZT037-061 cooling unit with gas heat 460/575 volt wiring diagram

118 Johnson Controls Ducted Systems

5167821-YTG-K-1118

Typical ZT037-061 cooling unit with gas heat 460/575 volt unit (options)

Johnson Controls Ducted Systems 119

5167821-YTG-K-1118
Typical ZT037-061 cooling unit with/without electric heat 208/230 volt wiring diagram

120 Johnson Controls Ducted Systems

5167821-YTG-K-1118

Typical ZT037-061 cooling unit with/without electric heat 208/230 volt unit

Johnson Controls Ducted Systems 121

5167821-YTG-K-1118

Typical ZT037-061 cooling unit with/without electric heat 460/575 volt wiring diagram

122 Johnson Controls Ducted Systems

5167821-YTG-K-1118

5167821-YTG-K-1118

Typical CPC BAS control wiring diagram

Johnson Controls Ducted Systems 131

5167821-YTG-K-1118

Typical HONEYWELL BAS control wiring diagram

132 Johnson Controls Ducted Systems

5167821-YTG-K-1118

Typical NOVAR BAS control wiring diagram

Johnson Controls Ducted Systems 133

5167821-YTG-K-1118

Weights and dimensions

ZT037-150 unit weights
Unit 4 point load weight Unit 6 point load weight

FRONT
FRONT
LEFT LEFT
B C C D

A B
A
E

D F

Y
X

FRONT
LEFT

ZT037-150 standard unit weights

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
037
ZT 927 922 42.4 24.7 202 184 255 281 137 128 121 168 178 190
(3)
049
ZT 965 960 42.5 25.5 217 198 260 285 147 138 130 171 181 193
(4)
061
ZT 973 968 41.6 25.5 223 196 257 293 152 139 128 168 183 199
(5)
078
ZT 1287 1282 47.25 24.00 245 277 404 357 160 173 188 275 253 233
(6.5)
090
ZT 1288 1283 48.25 25.34 252 299 397 335 164 183 205 272 242 217
(7.5)
102
ZT 1289 1284 47.25 24.75 253 286 396 350 165 179 195 269 248 228
(8.5)
120
ZT 1465 1460 45.00 25.50 312 319 419 410 207 210 214 280 276 272
(10)
150
ZT 1483 1478 49.75 24.50 271 343 483 381 174 202 238 335 285 244
(12.5)

134 Johnson Controls Ducted Systems

5167821-YTG-K-1118

ZT078-150 with MagnaDry option unit weights

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
078 234
ZT 1293 1288 47.25 24.00 246 278 406 358 161 174 189 276 254
(6.5)
090 219
ZT 1298 1293 48.25 25.34 254 301 400 338 165 184 207 274 244
(7.5)
102 232
ZT 1309 1304 47.25 24.75 257 290 402 355 168 182 198 274 251
(8.5)
120 276
ZT 1486 1481 45.00 25.50 316 324 425 416 210 213 217 285 280
(10)
150 248
ZT 1503 1498 49.75 24.50 274 348 490 386 176 205 241 340 288
(12.5)

ZT037-150 unit accessory weights

Weight (lbs.)
Unit accessory
Shipping Operating
Economizer 90 85
Power exhaust 40 35
Electric heat1 49 49
Gas heat2 110 110
Variable frequency drive3 30 30
1. Weight given is for the maximum heater size available (54KW).
2. Weight given is for the maximum number of tube heat exchangers available (8 tube).
3. Weight includes mounting hardware, controls and manual bypass option (3 to 5 ton only).

Johnson Controls Ducted Systems 135

5167821-YTG-K-1118

ZT037-150 unit dimensions

ZT037 - 061

29.69
15.25

15.38

59.00

15.38

2X Ø 24.38

SEE DETAIL A FOR GAS INLET

C
D
E
11.38
F

SEE DETAIL B
59.00 4.19 FOR DRAIN LOCATION
LEFT 27.31 21.19
89.00
FRONT

ZT037-061 unit physical dimensions

Dimension (in.)
Unit model number
A B C D E F
ZT037, 049, 061 42 89 22 1/8 18 3/16 15 3/16 6 3/16

136 Johnson Controls Ducted Systems

5167821-YTG-K-1118

ZT078 - ZT102

45.64

14.92
4X Ø 24.38

14.92

58.09

14.92

29.95 30.11

SEE DETAIL A FOR GAS INLET

C
D
E
11.38
F

SEE DETAIL B
59.00 4.19 FOR DRAIN LOCATION
LEFT 27.31 21.19
89.00
FRONT

ZT078-102 unit physical dimensions

Dimension (in.)
Unit model number
A B C D E F
078, 090 and 102 42 89 22 1/8 18 3/16 15 3/16 6 3/16

Johnson Controls Ducted Systems 137

5167821-YTG-K-1118

ZT120 - ZT150

28.86 29.66
44.09

15.23

14.85

29.03

14.85

Ø 24.58 TYP. 4 PL.

15.23

See detail A for gas inlet

C
D
E
11 3/8
F
See detail B for drain location
21 3/16
LEFT 4 3/16
FRONT
59
27 5/16

ZT120-150 unit physical dimensions

Dimension (in.)
Unit model number
A B C D E F
ZT120 and 150 50 3/4 119 1/2 30 3/16 24 3/16 17 3/16 6 3/16

138 Johnson Controls Ducted Systems

5167821-YTG-K-1118

Detail A

3.184
3.184

Gas Pipe Inlet Gas Pipe Inlet

Ø 2.000 Ø 2.000

Gas Exhaust Vent

Ø 3.126 Ø 3.126

17.541

14.594

7.705 7.715

4.727 4.737

42” CABINET 50 3/4” CABINET

Detail B

5-3/8

1” FPT
ZT037-150 unit clearances
Direction Distance (in.) Direction Distance (in.)
Top1 72 Right 12
Front 36 Left 36
Rear 362 Bottom3 0
1. Units must be installed outdoors. make sure that overhanging structure
or shrubs do not obscure the condenser air discharge outlet.
2. With economizer, 12 in. without economizer.
3. Units may be installed on combustible floors made from wood or class A,
B or C roof covering materials.

Johnson Controls Ducted Systems 139

5167821-YTG-K-1118

ZT037-150 unit bottom duct openings

Top view
89

32 11/16

6 13/16

RETURN SUPPLY
AIR AIR

24
27 1/2

LEFT 18 21 RIGHT

20 1/8 19 1/8
17 1/8
12 5/16

Bottom condensate drain

14 1/2 Bottom gas 25 9/16
supply entry
16 3/8

18 1/16 FRONT

Bottom power, control

and convenience outlet
wiring entry

3X Ø 0.875

Ø 2.469

140 Johnson Controls Ducted Systems

5167821-YTG-K-1118

ZT037-150 unit electrical entry

Disconnect Swith Cover

Power Entry Ø 2-1/2

Control Entry Ø 7/8

Power Entry Ø 2-1/2

Convenience Outlet Cover

Convenience Outlet
Power Entry Ø 7/8
FRONT
ZT037-061 unit side duct openings

Dot Plugs 18-1/4

Return A
Air

Supply Air

2-31/32
5-5/32
C
31-11/16

ZT037-061 side duct dimensions

Dimension (in.)
Unit model number
A B C D
ZT037, 049, 061 27 3/4 12 1/16 27 1/2 16

Johnson Controls Ducted Systems 141

5167821-YTG-K-1118

ZT078-102 unit side duct openings

Dot Plugs 18-1/4

D
B

5-5/32 2-7/8

C 31-5/8

ZT078-102 side duct dimensions

Dimension (in.)
Unit model number
A B C D
ZT078, 090, 102 28 1/4 18 1/16 28 1/4 18 1/4

ZT120-150 unit side duct openings

Dot Plugs
18-1/4

D
B

5-5/32

2-7/8
C 31-5/8

ZT120-150 side duct dimensions

Dimension (in.)
Unit model number
A B C D
ZT120, 150 28 1/4 18 1/16 28 1/4 18 1/4

142 Johnson Controls Ducted Systems

5167821-YTG-K-1118

ZT037-061 unit left/end duct opening

4-5/16

ZT037-150 left/end duct dimensions

Dimension (in.)
Unit model number
A B C
ZT037, 049, 061 30.357 13.365 22.516
ZT078, 090, 102 30.358 22.580 22.330
ZT120, 150 30.358 22.580 22.330

Johnson Controls Ducted Systems 143

5167821-YTG-K-1118

ZT037-150 unit accessory dimensions

ZT037-150 roof curb

RIGHT

80-5/8 INSULATED DECK UNDER

CONDENSER SECTION

SUPPLY
20 6

RETURN
2 TYP.

30
50-1/2 INSULATED DECK UNDER
COMPRESSOR SECTION

FRONT
8 or 14

ZT037-061 transition roof curb

2 TYP

23 4
50-1/2 30-1/2

26 80-5/8
RETURN
SUPPLY

76-5/8

94 59-1/4

FRONT RIGHT
64-1/4

144 Johnson Controls Ducted Systems

5167821-YTG-K-1118

ZT037-150 roof curb cutaway

3/4” X 1-1/4” WIDE GASKETING FOR CURB 2“

FRAME AND ALL DUCT SUPPORT SURFACES

UNIT BASE

3.75”

WOOD NAILER 3.56” UNIT BASE RAILS

14”
8“ MIN. ABOVE FINISHED ROOF COUNTERFLASHING

CURB FRAME CAN’T STRIP

INSULATION AND ROOFING MATERIAL

INSULATION

ROOF DECK AND SUPPORT STRUCTURE

Johnson Controls Ducted Systems 145

5167821-YTG-K-1118

Economizer options
Economizer usage
Application Cabinet height Description Model
Side return All Horizontal economizer without barometric relief 2EE047069241
Downflow, end return 42 in. Economizer, 42 inch tall cabinet 2EE04717424 2
Horizontal or ERV 50 in. Economizer, 50 inch tall cabinet 2EE047176242

1. Barometric relief must be ordered separately and installed in duct work.

2. Includes fresh air hood, exhaust hood and barometric relief.

Economizer downflow with power exhaust

Fresh Air Hood

Low Leak Economizer

Power Exhaust
Barometric
Relief Damper Barometric Relief
Hood

146 Johnson Controls Ducted Systems

Economizer end return with power exhaust

Fresh Air Hood

Field Installed
Duct Work

Low Leak
Economizer

Power Exhaust
Barometric Relief Damper

Barometric Relief Hood

Field-installed horizontal economizer with power exhaust

Return Air Damper

Field Installed
Duct Work

Fresh Air Damper

Power Exhaust
Barometric Barometric Fresh Air Hood
Relief Damper Relief Hood

Subject to change without notice. Printed in U.S.A. 5167821-YTG-K-1118

York International Corporation

5005 York Drive
Norman, OK 73069

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