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Subject to change without notice. Published in U.S.A.

835965-UIM-C-0814

Copyright

 ©

 2014 by Johnson Controls, Inc. All rights reserved.

Supersedes: 835965-UIM-B-0813

York International Corp.

5005 York Drive

Norman, OK 73069

Suppl

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after

 indoor coil (in w.c.")

Re

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Inst

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Air Side: System Total External Static Pressure

Owner Education

Suppl

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 indoor coil (in w.c.")

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after 

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 Cooling   

 Indoor 

Blower Set-Up

Clean Up

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COOL

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EC

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Heating 

 Indoor 

Blower Set-Up

EC

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Low

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R

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Ma

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H

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Refrigerant Charge and Metering Device

TX

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R-22

R-

41

0A

Oz.

# 45s

# Elbows

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Comments Section

Liquid Lin

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Low Sid

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Suction Lin

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Suppl

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ir: Dr

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 Bulb 

W

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Re

turn 

A

ir: Dr

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 Bulb 

Summary of Contents for CZH

Page 1: ...tage Wiring Diagram 5 Ton 23 Two Stage Wiring Diagram 24 LIST OF TABLES R 410A Saturation Properties 18 TEST Input Functionality 19 Operational Mode Display 19 Status Code Display 19 Status Code Displ...

Page 2: ...taking the accumulated layer of hot air into the outdoor unit Provide adequate structural support ADD ON REPLACEMENT RETROFIT When this unit is being used as a replacement for an R 22 unit it is requi...

Page 3: ...tightened 4 Position the unit on the base provided LIQUID LINE FILTER DRIER The air conditioning unit s copper spun filter dryer is located on the liq uid line TXV INSTALLATIONS The following are the...

Page 4: ...d dry system PRECAUTIONS DURING BRAZING SERVICE VALVE Precautions should be taken to prevent heat damage to service valves by wrapping a wet rag around it as shown in Figure 4 Heat Protection Also pro...

Page 5: ...liquid and vapor valves 10 Leak test all refrigerant piping connections SECTION IV EVACUATION 1 It will be necessary to evacuate the system to 500 microns or less If a leak is suspected leak test with...

Page 6: ...rol 2 Route low voltage four conductor shielded thermostat communica tions harness into junction box and connect to communications port on control board See Figure 6 Communications Harness Connec tion...

Page 7: ...set properly Refer to the Technical Guide for the outdoor unit for the recommended air flow settings for each size condensing unit and matching indoor unit Set the cooling speed per the instructions f...

Page 8: ...ELEC SINGLE STAGE AIR CONDITIONER C 24 Volt Common R 24 Volt Hot Y1 First Stage Compressor Y2 Second Stage Compressor SINGLE STAGE AIR CONDITIONER External Humidistat Optional Open on Humidity Rise Y...

Page 9: ...mpressor Y2 Second Stage Compressor SINGLE STAGE AIR CONDITIONER External Humidistat Optional Open on Humidity Rise Optional 24VAC Electronic Air Cleaner Optional Y1 First Stage Compressor COM 24 Volt...

Page 10: ...must be set to GAS SINGLE STAGE AIR CONDITIONER C 24 Volt Common R 24 Volt Hot Y1 First Stage Compressor Y2 Second Stage Compressor SINGLE STAGE AIR CONDITIONER External Humidistat Optional Open on Hu...

Page 11: ...of the C terminal 24 Volt common is optional when used with batteries Thermostat Installer Setup 0170 System Type must be set to 8 2 Heat 2 Cool Multistage Conventional Connection of the C terminal 24...

Page 12: ...umper to YES if humidistat is to be used ID MODELS TWO STAGE AIR CONDITIONER C 24 Volt Common R 24 Volt Hot Y1 First Stage Compressor Y2 Second Stage Compressor 24VAC Humidifier Optional External Humi...

Page 13: ...lt Hot Y1 Single Stage Compressor VARIABLE SPEED MODULATING FURNACE CONTROL G Fan VARIABLE SPEED MODULATING FURNACE Y Y2 Second or Full Stage Compressor HUM Dehumidification Open on Humidity Rise W Mo...

Page 14: ...YES if humidistat is to be used 24VAC Humidifier Optional External Humidistat Optional Open on Humidity Rise C 24 Volt Common R 24 Volt Hot Y First Stage Compressor Y2 Second Stage Compressor G Fan D...

Page 15: ...optional when used with batteries Thermostat Installer Setup 1 System Type must be set to 6 2 Heat 2 Cool Multistage Conventional COM 24 Volt Common R 24 Volt Hot W1 First Stage Heat W2 Second Stage H...

Page 16: ...on of the C Terminal 24 Volt Common is optional when used with batteries COM 24 Volt Common R 24 Volt Hot W1 First Stage Heat W2 Second Stage Heat Y1 Single Stage Compressor Y Y2 Second or Full Stage...

Page 17: ...n Properties 6 Subcooling temperature TC Saturated Temperature ST Liquid Temp T Add charge if the calculated subcooling temperature TC in Step 6 is lower than the recommended level Remove and recover...

Page 18: ...control includes a TEST input connector that can be used for vari ous testing functions during installation and service Table 2 summa rizes the behavior of the control when the two TEST pins are conne...

Page 19: ...ster signals present Control behavior with system master signals present 2 No response No response 2 Display compressor type TS Ultratech or single stage compressor Ignore LPS Bypass ASCD Reduce timer...

Page 20: ...o be reset when the thermostat is satisfied or when the thermostat is set to SYSTEM OFF and back to HEAT or COOL mode 2 The TEST terminals are shorted for more than two seconds When the soft lockout c...

Page 21: ...s started following a high pressure switch fault the control will start a six hour timer based on accumulated compressor run time If the control senses another opening of the high pressure switch befo...

Page 22: ...ITCH OFM OUTDOOR FAN MOTOR 562158 UWD B 0313 WIRING DIAGRAM S C R FAN MOTOR GND 6 3 5 PLUG 4 2 1 S C R COMPRESSOR USE COPPER CONDUCTORS ONLY 208 230VAC 60 Hz 1 PHASE SUPPLY GRN BRN RED BLK RED BRN BLK...

Page 23: ...UNICATION CONNECTIONS BLU PNK C M M1 M2 R C Y1 Y2 BLU PNK BRN PNK BRN PNK YEL BLK RED GRY AMB SENS HPS LPS WHT WHT CC RED SEE INSTALLATION INSTRUCTIONS FOR LOW VOLTAGE CONNECTIONS BLK RED GRN YEL 3 BL...

Page 24: ...CATION CONNECTIONS BLU PNK C M M1 M2 R C Y1 Y2 BLU PNK BRN PNK BRN PNK YEL BLU YEL BLK RED GRY AMB SENS HPS LPS WHT WHT CC BLU RED SEE INSTALLATION INSTRUCTIONS FOR LOW VOLTAGE CONNECTIONS 2 STAGE SOL...

Page 25: ...f applicable Electrical Line Voltage Outdoor Unit Model Outdoor Unit Serial Filter Thermostat Accessories Filter Location s Connections Per Installation Instructions and Local Codes Gas piping is conn...

Page 26: ...th the owner s manual Explain thermostat use and programming if applicable to owner Cycle Test Operate the unit through several heating cycles if applicable from the thermostat noting and correcting a...

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