York 18 Seer-CZH Series Installation Manual Download Page 24

Page: 24 / 24

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

835965-UIM-A-0112

Supersedes: 562156-UIM-B-1211, 501562-UIM-B-1211

Johnson Controls Unitary Products

5005 York Drive

Norman, OK 73069

FIGURE 20:

Two Stage Wiring Diagram

Summary of Contents for 18 Seer-CZH Series

Page 1: ...m 24 LIST OF TABLES R 410A Saturation Properties 18 TEST Input Functionality 19 Operational Mode Display 19 Status Code Display 19 Status Code Display 19 Operational Fault Codes 20 Sensor or Switch Fa...

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

Page 3: ...raeder cap seal 3 Loosen and remove distributor cap seal 4 Install the thermal expansion valve to the orifice distributor assembly with supplied fittings Hand tighten and turn an additional 1 4 turn t...

Page 4: ...ions The total system refrigerant charge is retained within the outdoor unit during shipping and installation The reusable service valves are pro vided to evacuate and charge per this instruction Seri...

Page 5: ...the nitrogen source from the liquid fitting service port 9 Replace the Schrader core in the liquid and vapor valves 10 Leak test all refrigerant piping connections SECTION IV EVACUATION 1 It will be...

Page 6: ...ating Control 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 C...

Page 7: ...M must be 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 inst...

Page 8: ...SHU PXVW EH VHW WR 6 1 67 5 21 7 21 5 9ROW RPPRQ 5 9ROW RW LUVW 6WDJH RPSUHVVRU 6HFRQG 6WDJH RPSUHVVRU 6 1 67 5 21 7 21 5 3DUW 1XPEHU 6 3 WHUQDO XPLGLVWDW 2SWLRQDO 2SHQ RQ XPLGLW 5LVH 3DUW 1XPEHU 6 8...

Page 9: ...PSUHVVRU 6 1 67 5 21 7 21 5 3DUW 1XPEHU 6 3 WHUQDO XPLGLVWDW 2SWLRQDO 2SHQ RQ XPLGLW 5LVH 3DUW 1XPEHU 6 8 9 XPLGLILHU 2SWLRQDO 9 OHFWURQLF LU OHDQHU 2SWLRQDO LUVW 6WDJH RPSUHVVRU 20 9ROW RPPRQ 5 9ROW...

Page 10: ...6 6 1 67 5 21 7 21 5 9ROW RPPRQ 5 9ROW RW LUVW 6WDJH RPSUHVVRU 6HFRQG 6WDJH RPSUHVVRU 6 1 67 5 21 7 21 5 3DUW 1XPEHU 6 3 WHUQDO XPLGLVWDW 2SWLRQDO 2SHQ RQ XPLGLW 5LVH 3DUW 1XPEHU 6 8 9ROW RPPRQ 5 9ROW...

Page 11: ...se 2 Connection 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 t...

Page 12: ...DHUM jumper to YES if humidistat is to be used G L 8 9 V F L 8 9 V PV 8 9 ID MODELS TWO STAGE AIR CONDITIONER C 24 Volt Common R 24 Volt Hot Y1 First Stage Compressor Y2 Second Stage Compressor Extern...

Page 13: ...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 Modulating Heat Par...

Page 14: ...1 Move HUMIDISTAT jumper to YES if humidistat is to be used FL9C FC9C PC9 ID MODELS External Humidistat Optional Open on Humidity Rise 24VAC Humidifier Optional External Humidistat Optional Open on Hu...

Page 15: ...ith 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 Heat Y1 Single Stage...

Page 16: ...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 Compressor O Reversing Valve...

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: ...835965 UIM A 0112 22 Johnson Controls Unitary Products SECTION IX WIRING DIAGRAM FIGURE 18 Single Stage Wiring Diagram 2 4 Ton...

Page 23: ...835965 UIM A 0112 Johnson Controls Unitary Products 23 FIGURE 19 Single Stage Wiring Diagram 5 Ton...

Page 24: ...shed in U S A 835965 UIM A 0112 Copyright 2012 by Johnson Controls Inc All rights reserved Supersedes 562156 UIM B 1211 501562 UIM B 1211 Johnson Controls Unitary Products 5005 York Drive Norman OK 73...