York ZJ180 Specifications

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R-410A
ZJ SERIES
15 - 25 Ton
60 Hertz
GZKDJRRJDGHZ2[JZFJR
173463-YIM-C-0806
TABLE OF CONTENTS
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Rigging And Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Compressors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Power And Control Wiring. . . . . . . . . . . . . . . . . . . . . . . . . 14
Optional Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Optional Gas Heat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Options/Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Economizer And Power Exhaust Set Point Adjustments . 24
Air Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Cooling Sequence Of Operation . . . . . . . . . . . . . . . . . . . . 41
No Outdoor Air Options . . . . . . . . . . . . . . . . . . . . . . . . . 41
Cooling Operation Errors . . . . . . . . . . . . . . . . . . . . . . . . 42
Electric Heating Sequence Of Operations . . . . . . . . . . . . 43
Electric Heat Operation Errors . . . . . . . . . . . . . . . . . . . . 43
Gas Heating Sequence Of Operations . . . . . . . . . . . . . . . 44
Gas Heating Operation Errors . . . . . . . . . . . . . . . . . . . . 45
Start-Up (Cooling) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Start-Up (Gas Heat) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Checking Gas Heat Input . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Charging The Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
LIST OF TABLES
1 ZJ180-300 Unit Limitations . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Weights and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 ZJ180-300 Unit Accessory Weights . . . . . . . . . . . . . . . . . 9
4 Utilities Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5 ZJ180-300 Unit Clearances . . . . . . . . . . . . . . . . . . . . . . 11
6 Control Wire Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7 Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
8 ZJ180-300 Physical Data . . . . . . . . . . . . . . . . . . . . . . . . 20
9 Electric Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . 21
10 Gas Application Data . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
11 Gas Pipe Sizing - CapacIty of Pipe . . . . . . . . . . . . . . . . . 22
12 Gas Heat Minimum Supply Air . . . . . . . . . . . . . . . . . . . . 22
13 Altitude/Temperature Correction Factors . . . . . . . . . . . . 27
14 ZJ Cooling Only Bottom Duct Blower Performance . . . . 28
15 ZJ Gas Heat Bottom Duct Blower Performance . . . . . . . 33
16 Indoor Blower Specifications . . . . . . . . . . . . . . . . . . . . . . 40
17 Power Exhaust Specifications . . . . . . . . . . . . . . . . . . . . 40
18 Additional Static Resistance . . . . . . . . . . . . . . . . . . . . . . 41
19 Limit Control Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
20 Electric Heat Anticipator Setpoint . . . . . . . . . . . . . . . . . . 44
21 Gas Heat Limit Control Setting . . . . . . . . . . . . . . . . . . . . 46
22 Gas Heat Anticipator Setpoints . . . . . . . . . . . . . . . . . . . . 46
23 Gas Rate Cubic Feet Per Hour . . . . . . . . . . . . . . . . . . . . 47
24 Unit Control Board Flash Codes . . . . . . . . . . . . . . . . . . . 55
LIST OF FIGURES
1 ZJ180-300 Component Location . . . . . . . . . . . . . . . . . . . 6
2 Unit 4 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 Unit 6 Point Load Weight . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 Center of Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5 ZJ180-300 Unit Dimensions Front View . . . . . . . . . . . . . 9
6 ZJ180-300 Unit Dimensions Rear View . . . . . . . . . . . . . 10
7 ZJ180-300 Unit Dimensions Rain Hood . . . . . . . . . . . . . 11
8 ZJ180-300 Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . . . 12
9 Fixed Outdoor Air Damper . . . . . . . . . . . . . . . . . . . . . . . 13
10 Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
11 Field Wiring Disconnect - Cooling Unit With/Without
Electric Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
12 Field Wiring 24 Volt Thermostat . . . . . . . . . . . . . . . . . . . 15
13 External Supply Connection External Shut-Off . . . . . . . 22
14 Bottom Supply Connection External Shut-Off . . . . . . . . 22
15 Vent and Combustion Air Hood . . . . . . . . . . . . . . . . . . . 24
16 Enthalpy Set Point Chart . . . . . . . . . . . . . . . . . . . . . . . . 25
17 Honeywell Economizer Control W7212 . . . . . . . . . . . . . 25
18 Belt Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
19 Altitude/Temperature Correction Factors . . . . . . . . . . . . 27
20 Pressure Drop Across A Dry Indoor Coil Vs. Supply Air
CFM For All Unit Tonnages . . . . . . . . . . . . . . . . . . . . . . 40
21 Gas Valve Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
22 Gas Valve and Controls . . . . . . . . . . . . . . . . . . . . . . . . . 46
23 Proper Pilot Flame Adjustment . . . . . . . . . . . . . . . . . . . 48
24 Typical Flame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
25 Typical Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
26 ZJ180 (15 Ton) Charging Chart . . . . . . . . . . . . . . . . . . . 49
27 ZJ210 (17.5 Ton) Charging Chart . . . . . . . . . . . . . . . . . 49
28 ZJ240 (20 Ton) Charging Chart . . . . . . . . . . . . . . . . . . . 49
29 ZJ300 (25 Ton) Charging Chart . . . . . . . . . . . . . . . . . . . 49
30 Unit Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
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Summary of Contents

Page 1 - GZKDJRRJDGHZ2[JZFJR

R-410AZJ SERIES 15 - 25 Ton60 Hertz GZKDJRRJDGHZ2[JZFJR173463-YIM-C-0806TABLE OF CONTENTSGeneral . . . . . . . . . . . . . . . . . . . . . .

Page 2

173463-YIM-C-080610 Unitary Products GroupFigure 6: ZJ180-300 Unit Dimensions Rear ViewNOTE: Units are shipped with the bottom duct openings covered.

Page 3

173463-YIM-C-0806Unitary Products Group 11Figure 7: ZJ180-300 Unit Dimensions Rain HoodNote: ELEC/ELEC Models: Units and ductwork are approved for zer

Page 4 - Nomenclature

173463-YIM-C-080612 Unitary Products GroupFigure 8: ZJ180-300 Roof CurbDuctworkDuctwork should be designed and sized according to the methods in Manua

Page 5 - Installation

173463-YIM-C-0806Unitary Products Group 13Figure 9: Fixed Outdoor Air DamperCondensate DrainPlumbing must conform to local codes. Use a sealing compou

Page 6 - 6 Unitary Products Group

173463-YIM-C-080614 Unitary Products GroupPower And Control WiringField wiring to the unit, fuses, and disconnects must conform to provisions of Natio

Page 7 - Rigging And Handling

173463-YIM-C-0806Unitary Products Group 15Thermostat WiringThe thermostat should be located on an inside wall approximately 56 inch above the floor wh

Page 8

173463-YIM-C-080616 Unitary Products GroupTable 7: Electrical Data ZJ180-300 - Without Powered Convenience Outlet Size(Tons)VoltCompressors(each)OD F

Page 9

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

Page 10

173463-YIM-C-080618 Unitary Products GroupZJ180-300 - With Powered Convenience Outlet Size(Tons)VoltCompressors(each)OD FanMotors(each)SupplyBlowerMo

Page 11 - Unit with Rain Hoods

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

Page 12 - Ductwork

173463-YIM-C-08062 Unitary Products GroupGeneralYORK® Model ZJ units are either single package air conditions equipped with optional factory installed

Page 13 - Compressors

173463-YIM-C-080620 Unitary Products GroupTable 8: ZJ180-300 Physical Data ComponentModelsZJ180 ZJ210 ZJ240 ZJ300Nominal Tonnage 15 17.5 20 25ARI COO

Page 14 - Power And Control Wiring

173463-YIM-C-0806Unitary Products Group 21Optional Electric HeatThe factory-installed heaters are wired for single point power supply. Power supply ne

Page 15 - Wire Size Maximum Length

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

Page 16

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

Page 17 - 3. HACR type per NEC

173463-YIM-C-080624 Unitary Products GroupFigure 15: Vent and Combustion Air HoodOptions/AccessoriesElectric HeatElectric heaters are available as a f

Page 18

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

Page 19

173463-YIM-C-080626 Unitary Products GroupPhasingYork® Model ZJ units are properly phased at the factory. Check for proper compressor rotation. If the

Page 20 - 20 Unitary Products Group

173463-YIM-C-0806Unitary Products Group 27Figure 19: Altitude/Temperature Correction FactorsThe examples below will assist in determining the airflow

Page 21 - Optional Gas Heat

173463-YIM-C-080628 Unitary Products GroupTable 14: ZJ Cooling Only Bottom Duct Blower PerformanceZJ180 (15 Ton) Standard Drive Cooling Only Bottom Du

Page 22 - Shut-off

173463-YIM-C-0806Unitary Products Group 29ZJ210 (17.5 Ton) Standard Drive Cooling Only Bottom Duct Blower Performance17.5 Ton Standard Drive Cooling O

Page 23

173463-YIM-C-0806Unitary Products Group 3Wear safety glasses and work gloves. Use quenching cloth and have a fire extinguisher available during brazin

Page 24 - Adjustments

173463-YIM-C-080630 Unitary Products GroupZJ240 (20 Ton) Standard Drive Cooling Only Bottom Duct Blower Performance20 Ton Standard Drive Cooling Only

Page 25 - Unitary Products Group 25

173463-YIM-C-0806Unitary Products Group 31ZJ300 (25 Ton) Standard Drive Cooling Only Bottom Duct Blower Performance25 Ton Standard Drive Cooling Only

Page 26 - Defl Force

173463-YIM-C-080632 Unitary Products GroupZJ300 (25 Ton) Hi-Static Drive Cooling Only Bottom Duct Blower Performance25 Ton Hi-Static Drive Cooling Onl

Page 27 - $LU7HPSHUDWXUH)

173463-YIM-C-0806Unitary Products Group 33Table 15: ZJ Gas Heat Bottom Duct Blower PerformanceZJ180 (15 Ton) Standard Drive Gas Heat Bottom Duct Blowe

Page 28 - ESP (iwg)

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

Page 29

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

Page 30

173463-YIM-C-080636 Unitary Products GroupZJ240 (20 Ton) Standard Drive Gas Heat Bottom Duct Blower Performance20 Ton Standard Drive Gas Heat Bottom D

Page 31

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

Page 32

173463-YIM-C-080638 Unitary Products GroupZJ300 (25 Ton) Standard Drive Gas Heat Bottom Duct Blower Performance25 Ton Standard Drive Gas Heat Bottom D

Page 33

173463-YIM-C-0806Unitary Products Group 39ZJ300 (25 Ton) Hi-Static Drive Gas Heat Bottom Duct Blower Performance25 Ton Standard Drive Gas Heat Bottom

Page 34

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 =

Page 35

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

Page 36

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

Page 37

173463-YIM-C-080642 Unitary Products GroupEconomizer With Single Enthalpy SensorWhen the room thermostat calls for “first-stage” cooling, the low volt

Page 38

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

Page 39

173463-YIM-C-080644 Unitary Products GroupSafety ControlsThe UCB monitors the temperature limit switch of electric heat units.The control circuit incl

Page 40 - Air Balance

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”

Page 41 - Operation

173463-YIM-C-080646 Unitary Products GroupRollout SwitchThis switch is located above the main burners in the control compartment, which in the event o

Page 42

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

Page 43

173463-YIM-C-080648 Unitary Products GroupManifold Gas Pressure AdjustmentSmall adjustments to the high-fire gas flow may be made by turning the press

Page 44

173463-YIM-C-0806Unitary Products Group 49Charging The UnitFigure 26: ZJ180 (15 Ton) Charging ChartFigure 27: ZJ210 (17.5 Ton) Charging ChartFigure 28

Page 45

173463-YIM-C-0806Unitary Products Group 5InstallationInstallation Safety InformationRead these instructions before continuing this appliance installat

Page 46 - Start-Up (Cooling)

173463-YIM-C-080650 Unitary Products GroupTroubleshootingCooling Troubleshooting GuideOn calls for cooling, if the compressors are operating but the s

Page 47 - Checking Gas Heat Input

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

Page 48

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

Page 49 - Charging The Unit

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

Page 50 - Troubleshooting

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

Page 51

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

Page 52

Subject to change without notice. Printed in U.S.A. 173463-YIM-C-0806Copyright © 2006 by Unitary Products Group. All rights reserved. Supersedes: 173

Page 53

173463-YIM-C-08066 Unitary Products GroupFigure 1: ZJ180-300 Component LocationSimplicity® Control Board110 Volt ConvenienceOutlet (“Powered” or “Non-

Page 54

173463-YIM-C-0806Unitary Products Group 7LocationUse the following guidelines to select a suitable location for these units:1. Unit is designed for ou

Page 55

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

Page 56 - Group Drive 73069

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

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