R-410AZJ SERIES 15 - 25 Ton60 Hertz GZKDJRRJDGHZ2[JZFJR173463-YIM-C-0806TABLE OF CONTENTSGeneral . . . . . . . . . . . . . . . . . . . . . .
173463-YIM-C-080610 Unitary Products GroupFigure 6: ZJ180-300 Unit Dimensions Rear ViewNOTE: Units are shipped with the bottom duct openings covered.
173463-YIM-C-0806Unitary Products Group 11Figure 7: ZJ180-300 Unit Dimensions Rain HoodNote: ELEC/ELEC Models: Units and ductwork are approved for zer
173463-YIM-C-080612 Unitary Products GroupFigure 8: ZJ180-300 Roof CurbDuctworkDuctwork should be designed and sized according to the methods in Manua
173463-YIM-C-0806Unitary Products Group 13Figure 9: Fixed Outdoor Air DamperCondensate DrainPlumbing must conform to local codes. Use a sealing compou
173463-YIM-C-080614 Unitary Products GroupPower And Control WiringField wiring to the unit, fuses, and disconnects must conform to provisions of Natio
173463-YIM-C-0806Unitary Products Group 15Thermostat WiringThe thermostat should be located on an inside wall approximately 56 inch above the floor wh
173463-YIM-C-080616 Unitary Products GroupTable 7: Electrical Data ZJ180-300 - Without Powered Convenience Outlet Size(Tons)VoltCompressors(each)OD F
173463-YIM-C-0806Unitary Products Group 17300(25)208-3-60 23.0 160 31.5 3.7 38.6 0.0None - - - 155.1 175E18 13.5 1 37.5 155.1 175E36 27 2 74.9 155.1 1
173463-YIM-C-080618 Unitary Products GroupZJ180-300 - With Powered Convenience Outlet Size(Tons)VoltCompressors(each)OD FanMotors(each)SupplyBlowerMo
173463-YIM-C-0806Unitary Products Group 19300(25)208-3-60 23.0 160 31.5 3.7 38.6 10.0None - - - 165.1 200E18 13.5 1 37.5 165.1 200E36 27 2 74.9 165.1
173463-YIM-C-08062 Unitary Products GroupGeneralYORK® Model ZJ units are either single package air conditions equipped with optional factory installed
173463-YIM-C-080620 Unitary Products GroupTable 8: ZJ180-300 Physical Data ComponentModelsZJ180 ZJ210 ZJ240 ZJ300Nominal Tonnage 15 17.5 20 25ARI COO
173463-YIM-C-0806Unitary Products Group 21Optional Electric HeatThe factory-installed heaters are wired for single point power supply. Power supply ne
173463-YIM-C-080622 Unitary Products GroupGas PipingProper sizing of gas piping depends on the cubic feet per hour of gas flow required, specific grav
173463-YIM-C-0806Unitary Products Group 235. The gas supply should be a separate line and installed in accordance with all safety codes as prescribed
173463-YIM-C-080624 Unitary Products GroupFigure 15: Vent and Combustion Air HoodOptions/AccessoriesElectric HeatElectric heaters are available as a f
173463-YIM-C-0806Unitary Products Group 25Figure 16: Enthalpy Set Point ChartFigure 17: Honeywell Economizer Control W721240(4)70(21)50(10)55(13)60(16
173463-YIM-C-080626 Unitary Products GroupPhasingYork® Model ZJ units are properly phased at the factory. Check for proper compressor rotation. If the
173463-YIM-C-0806Unitary Products Group 27Figure 19: Altitude/Temperature Correction FactorsThe examples below will assist in determining the airflow
173463-YIM-C-080628 Unitary Products GroupTable 14: ZJ Cooling Only Bottom Duct Blower PerformanceZJ180 (15 Ton) Standard Drive Cooling Only Bottom Du
173463-YIM-C-0806Unitary Products Group 29ZJ210 (17.5 Ton) Standard Drive Cooling Only Bottom Duct Blower Performance17.5 Ton Standard Drive Cooling O
173463-YIM-C-0806Unitary Products Group 3Wear safety glasses and work gloves. Use quenching cloth and have a fire extinguisher available during brazin
173463-YIM-C-080630 Unitary Products GroupZJ240 (20 Ton) Standard Drive Cooling Only Bottom Duct Blower Performance20 Ton Standard Drive Cooling Only
173463-YIM-C-0806Unitary Products Group 31ZJ300 (25 Ton) Standard Drive Cooling Only Bottom Duct Blower Performance25 Ton Standard Drive Cooling Only
173463-YIM-C-080632 Unitary Products GroupZJ300 (25 Ton) Hi-Static Drive Cooling Only Bottom Duct Blower Performance25 Ton Hi-Static Drive Cooling Onl
173463-YIM-C-0806Unitary Products Group 33Table 15: ZJ Gas Heat Bottom Duct Blower PerformanceZJ180 (15 Ton) Standard Drive Gas Heat Bottom Duct Blowe
173463-YIM-C-080634 Unitary Products GroupZJ210 (17.5 Ton) Standard Drive Gas Heat Bottom Duct Blower Performance17.5 Ton Standard Drive Gas Heat Bott
173463-YIM-C-0806Unitary Products Group 35ZJ210 (17.5 Ton) Hi-Static Drive Gas Heat Bottom Duct Blower Performance17.5 Ton Hi-Static Drive Gas Heat Bo
173463-YIM-C-080636 Unitary Products GroupZJ240 (20 Ton) Standard Drive Gas Heat Bottom Duct Blower Performance20 Ton Standard Drive Gas Heat Bottom D
173463-YIM-C-0806Unitary Products Group 37ZJ240 (20 Ton) Hi-Static Drive Gas Heat Bottom Duct Blower Performance20 Ton Hi-Static Drive Gas Heat Bottom
173463-YIM-C-080638 Unitary Products GroupZJ300 (25 Ton) Standard Drive Gas Heat Bottom Duct Blower Performance25 Ton Standard Drive Gas Heat Bottom D
173463-YIM-C-0806Unitary Products Group 39ZJ300 (25 Ton) Hi-Static Drive Gas Heat Bottom Duct Blower Performance25 Ton Standard Drive Gas Heat Bottom
173463-YIM-C-08064 Unitary Products GroupNomenclatureZ J 180 N24 A 2 A AA 1 0 1 2 4 AZ = A/C, Single Pkg., R-410AProduct CategoryA=Std.DriveAirflowB =
173463-YIM-C-080640 Unitary Products GroupAir BalanceStart the supply air blower motor. Adjust the resistances in both the supply and the return air d
173463-YIM-C-0806Unitary Products Group 41Supply Air Drive AdjustmentThe RPM of the supply air blower will depend on the required CFM, the unit access
173463-YIM-C-080642 Unitary Products GroupEconomizer With Single Enthalpy SensorWhen the room thermostat calls for “first-stage” cooling, the low volt
173463-YIM-C-0806Unitary Products Group 43Low Ambient CoolingTo determine when to operate in low ambient mode, the UCB has a pair of terminals connect
173463-YIM-C-080644 Unitary Products GroupSafety ControlsThe UCB monitors the temperature limit switch of electric heat units.The control circuit incl
173463-YIM-C-0806Unitary Products Group 45When the thermostat calls for the second stage of heating, the low-voltage control circuit from “R” to “W2”
173463-YIM-C-080646 Unitary Products GroupRollout SwitchThis switch is located above the main burners in the control compartment, which in the event o
173463-YIM-C-0806Unitary Products Group 47Start-Up (Gas Heat)Pre-Start Check ListComplete the following checks before starting the unit.1. Check the t
173463-YIM-C-080648 Unitary Products GroupManifold Gas Pressure AdjustmentSmall adjustments to the high-fire gas flow may be made by turning the press
173463-YIM-C-0806Unitary Products Group 49Charging The UnitFigure 26: ZJ180 (15 Ton) Charging ChartFigure 27: ZJ210 (17.5 Ton) Charging ChartFigure 28
173463-YIM-C-0806Unitary Products Group 5InstallationInstallation Safety InformationRead these instructions before continuing this appliance installat
173463-YIM-C-080650 Unitary Products GroupTroubleshootingCooling Troubleshooting GuideOn calls for cooling, if the compressors are operating but the s
173463-YIM-C-0806Unitary Products Group 519. If 24 volts is present at the UCB Y1 terminal and none of the protection switches have opened, the UCB ma
173463-YIM-C-080652 Unitary Products Groupshould be flashing a code. If not, press and release the ALARMS button on the UCB. The UCB will flash the la
173463-YIM-C-0806Unitary Products Group 53the Mate-N-Lock plug to the Y1 “ECON” terminal. The economizer control may have faulted and is not returning
173463-YIM-C-080654 Unitary Products Groupfor proper furnace operation. If lock-out continues to occur, locate the source of the problem and correct.2
173463-YIM-C-0806Unitary Products Group 55alarm condition but due to the space constraints of the UCB, will be indicated by the Red LED. In all other
Subject to change without notice. Printed in U.S.A. 173463-YIM-C-0806Copyright © 2006 by Unitary Products Group. All rights reserved. Supersedes: 173
173463-YIM-C-08066 Unitary Products GroupFigure 1: ZJ180-300 Component LocationSimplicity® Control Board110 Volt ConvenienceOutlet (“Powered” or “Non-
173463-YIM-C-0806Unitary Products Group 7LocationUse the following guidelines to select a suitable location for these units:1. Unit is designed for ou
173463-YIM-C-08068 Unitary Products GroupUnits may be moved or lifted with a forklift. Slotted openings in the base rails are provided for this purpos
173463-YIM-C-0806Unitary Products Group 9Figure 5: ZJ180-300 Unit Dimensions Front ViewNote: All entry holes should be sealed to prevent rain water en
Comments to this Manuals