R-410AZR SERIES 6-1/2 - 12-1/2 Ton60 Hertz 567040-YIM-B-1210TABLE OF CONTENTSGeneral . . . . . . . . . . . . . . . . . . . . . . . . . . . .
567040-YIM-B-121010 Johnson Controls Unitary ProductsDetail A Detail BFigure 10: ZR078-150 Unit Bottom Duct OpeningsTable 4: ZR078-150 Unit Physical D
567040-YIM-B-1210Johnson Controls Unitary Products 11Figure 11: ZR078-150 Unit Electrical EntryFigure 12: ZR078-120 Unit Side Duct OpeningsDisconnect
567040-YIM-B-121012 Johnson Controls Unitary ProductsFigure 13: ZR150 Unit Side Duct OpeningsFigure 14: ZR078-150 Unit Left Duct OpeningDot Plugs2-7/8
567040-YIM-B-1210Johnson Controls Unitary Products 13Figure 15: ZR078-150 Roof CurbFigure 16: ZR078-150 Transition Roof CurbDuctworkDuctwork should be
567040-YIM-B-121014 Johnson Controls Unitary ProductsDuct CoversUnits are shipped with the side duct openings covered and a covering over the bottom o
567040-YIM-B-1210Johnson Controls Unitary Products 15designed for HCFC and CFC refrigerants. Take all necessary precautions to avoid exposure of the o
567040-YIM-B-121016 Johnson Controls Unitary ProductsPower Wiring DetailUnits are factory wired for the voltage shown on the unit nameplate. Refer to
567040-YIM-B-1210Johnson Controls Unitary Products 17Thermostat WiringThe thermostat should be located on an inside wall approximately 56 inch above t
567040-YIM-B-121018 Johnson Controls Unitary ProductsTable 8: Electrical Data ZR078-150 Standard Motor - Without Powered Convenience Outlet Size(Tons
567040-YIM-B-1210Johnson Controls Unitary Products 19120(10)208 17.9 120 28.0 1.5 8.2 5.5 0.0None---51.557.060 70E18 13.5 2 37.5 57.1 64.0 60 70E24 18
567040-YIM-B-12102 Johnson Controls Unitary ProductsGeneralYork® Predator® units are single package air conditioners with optional gas heating designe
567040-YIM-B-121020 Johnson Controls Unitary ProductsZR078-150 Hi Static Motor - Without Powered Convenience Outlet Size(Tons)VoltCompressors(each)OD
567040-YIM-B-1210Johnson Controls Unitary Products 21120(10)208 17.9 120 28.0 1.5 10.9 5.5 0.0None - - - 54.2 59.7 70 70E18 13.5 2 37.5 60.5 67.3 70 7
567040-YIM-B-121022 Johnson Controls Unitary ProductsZR078-150 Standard Motor - With Powered Convenience Outlet Size(Tons)VoltCompressors(each)OD FanM
567040-YIM-B-1210Johnson Controls Unitary Products 23120(10)208 17.9 120 28.0 1.5 8.2 5.5 10.0None - - - 61.5 67.0 70 80E18 13.5 2 37.5 69.6 76.5 70 8
567040-YIM-B-121024 Johnson Controls Unitary ProductsZR078-150 Hi Static Motor - With Powered Convenience Outlet Size(Tons)VoltCompressors(each)OD Fa
567040-YIM-B-1210Johnson Controls Unitary Products 25120(10)208 17.9 120 28.0 1.5 10.9 5.5 10.0None - - - 64.2 69.7 80 80E18 13.5 2 37.5 73.0 79.8 80
567040-YIM-B-121026 Johnson Controls Unitary ProductsTable 9: ZR078-150 Physical Data ComponentModelsZR078 ZR090 ZR102 ZR120 ZR150Nominal Tonnage 6.5
567040-YIM-B-1210Johnson Controls Unitary Products 27REHEAT COIL DATAFace area (Sq. Ft.) 6.66 6.66 10 10 10Rows 22222Fins per inch 13 13 13 13 13Tube
567040-YIM-B-121028 Johnson Controls Unitary ProductsOptional Electric HeatThe factory-installed heaters are wired for single point power supply. Powe
567040-YIM-B-1210Johnson Controls Unitary Products 29Optional Gas HeatThese gas-fired heaters have aluminized-steel or optional stainless steel, tubul
567040-YIM-B-1210Johnson Controls Unitary Products 3Wear safety glasses and work gloves. Use quenching cloth and have a fire extinguisher available du
567040-YIM-B-121030 Johnson Controls Unitary ProductsGas ConnectionThe gas supply line can be routed within the space and roof curb, exiting through t
567040-YIM-B-1210Johnson Controls Unitary Products 31Lp Units, Tanks And PipingAll gas heat units are shipped from the factory equipped for natural ga
567040-YIM-B-121032 Johnson Controls Unitary ProductsPower ExhaustThe Power Exhaust can be a factory installed option or a field installed accessory.
567040-YIM-B-1210Johnson Controls Unitary Products 33Figure 26: Enthalpy Set Point ChartFigure 27: Honeywell Economizer Control W7212PhasingPredator®
567040-YIM-B-121034 Johnson Controls Unitary ProductsBlower RotationCheck for proper supply air blower rotation. If the blower is rotating backwards,
567040-YIM-B-1210Johnson Controls Unitary Products 35Figure 29: Altitude/Temperature Correction FactorsThe examples below will assist in determining t
567040-YIM-B-121036 Johnson Controls Unitary ProductsDrive Selection1. Determine side or bottom supply duct Application.2. Determine desired airflow.3
567040-YIM-B-1210Johnson Controls Unitary Products 37Table 16: Air Flow Performance - Side Duct ApplicationZR078 (6.5 Ton) Side DuctAir Flow(CFM)Avai
567040-YIM-B-121038 Johnson Controls Unitary ProductsZR120 (10 Ton) Side DuctAir Flow(CFM)Available External Static Pressure - IWG11. Blower performan
567040-YIM-B-1210Johnson Controls Unitary Products 39Table 17: Air Flow Performance - Bottom Duct ApplicationZR078 (6.5 Ton) Bottom DuctAir Flow(CFM)A
567040-YIM-B-12104 Johnson Controls Unitary ProductsNomenclatureZ R 090 N10 A 2 A AA 5 0 1 2 4 AProduct CategoryZ = A/C, Single Pkg., R-410AA = Std. M
567040-YIM-B-121040 Johnson Controls Unitary ProductsZR120 (10 Ton) Bottom DuctAir Flow(CFM)Available External Static Pressure - IWG11. Blower perform
567040-YIM-B-1210Johnson Controls Unitary Products 41Air BalanceStart the supply air blower motor. Adjust the resistances in both the supply and the r
567040-YIM-B-121042 Johnson Controls Unitary ProductsNOTE: The tubes must be inserted and held in position perpendicular to the airflow so that veloc
567040-YIM-B-1210Johnson Controls Unitary Products 43Supply Air Drive AdjustmentAt unit start-up, the measured CFM may be higher or lower than the req
567040-YIM-B-121044 Johnson Controls Unitary ProductsTable 22: Additional Static ResistanceSize(Tons)Model CFM Cooling Only11. Add these values to the
567040-YIM-B-1210Johnson Controls Unitary Products 45OperationCooling Sequence Of OperationFor the Predator® series of units, the thermostat makes a c
567040-YIM-B-121046 Johnson Controls Unitary Productsaddition. The power exhaust motor is energized 45 seconds after the actuator position exceeds the
567040-YIM-B-1210Johnson Controls Unitary Products 47Compressor ProtectionIn addition to the external pressure switches, the compressors also have inh
567040-YIM-B-121048 Johnson Controls Unitary ProductsFigure 31: Reheat Control BoardRY1Y2GW1OCCCW2P4P5P6P3COMHGRRHGRHUMK1K2K4K3`MODESELECTIONJUMPERDEH
567040-YIM-B-1210Johnson Controls Unitary Products 49Figure 32: System Piping SchematicElectric Heating Sequence Of OperationsThe following sequence d
567040-YIM-B-1210Johnson Controls Unitary Products 5InstallationInstallation Safety InformationRead these instructions before continuing this applianc
567040-YIM-B-121050 Johnson Controls Unitary ProductsSafety ControlsThe UCB monitors the temperature limit switch of electric heat units.The control c
567040-YIM-B-1210Johnson Controls Unitary Products 51When “W1” is satisfied, both valves are closed.Second Stage Of HeatingWhen the ICB receives a cal
567040-YIM-B-121052 Johnson Controls Unitary Productsgas heat limit switch operation except the auxiliary is manual reset. Consequently, the control w
567040-YIM-B-1210Johnson Controls Unitary Products 53Start-Up (Gas Heat)Pre-Start Check ListComplete the following checks before starting the unit.1.
567040-YIM-B-121054 Johnson Controls Unitary ProductsNOTE: To find the Btu input, multiply the number of cubic feet of gas consumed per hour by the B
567040-YIM-B-1210Johnson Controls Unitary Products 55Burners/Orifices Inspection/ServicingBefore checking or changing burners, pilot or orifices, CLOS
567040-YIM-B-121056 Johnson Controls Unitary ProductsFigure 35: Unit Control BoardTable 30: Unit Control Board Flash CodesFlash Code DescriptionGreenL
567040-YIM-B-1210Johnson Controls Unitary Products 57Unit Control Board Option SetupOption Byte Setup• Enter the Option Setup mode by pushing the OPTI
567040-YIM-B-121058 Johnson Controls Unitary ProductsFigure 36: Basic Troubleshooting FlowchartFigure 37: Power On Flow ChartMonitorMonitoredSystemsPr
567040-YIM-B-1210Johnson Controls Unitary Products 59Figure 38: Trip Failure Flow Chart
567040-YIM-B-12106 Johnson Controls Unitary Products3. Gas-Fired Central Furnace Standard, ANSI Z21.47a. - Latest Edition4. Local building codes, and5
567040-YIM-B-121060 Johnson Controls Unitary ProductsCooling Troubleshooting GuideOn calls for cooling, if the compressors are operating but the suppl
567040-YIM-B-1210Johnson Controls Unitary Products 61out, the UCB may have the compressor in an ASCD. Check the LED for an indication of an ASCD cycle
567040-YIM-B-121062 Johnson Controls Unitary Products10. If 24 volts is present at the UCB Y2 terminal and none of the switches are open and the compr
567040-YIM-B-1210Johnson Controls Unitary Products 63conditions. These options are not enabled by default. They can be checked by local distributors.F
Subject to change without notice. Printed in U.S.A. 567040-YIM-B-1210Copyright © 2011 by Johnson Controls, Inc. All rights reserved. Supersedes: 5670
567040-YIM-B-1210Johnson Controls Unitary Products 7LocationUse the following guidelines to select a suitable location for these units:1. Unit is desi
567040-YIM-B-12108 Johnson Controls Unitary ProductsUnits may be moved or lifted with a forklift. Slotted openings in the base rails are provided for
567040-YIM-B-1210Johnson Controls Unitary Products 9Figure 8: ZR078-120 Physical DimensionsFigure 9: ZR150 Physical DimensionsTable 3: ZR078-150 Unit
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