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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

PC 132 Catalog No. 535-20054 Printed in U.S.A. Form 52C,P-2W Pg 1 4-03 Replaces: 52C,P-1WBook 1 4

Tab 9a 11a

Wiring DiagramsINDEX

LEGEND

UNIT TYPEVOLTAGE

(1 Ph-60 Hz)FIGURE NO. LABEL DIAGRAM

Heat Pump Units

52CQ, PQ

AA,CP208/230,

2651 52CQ501184

RC,RP208/230,

2652 52CQ501204

Heat/Cool Units

52CE, PE

AA,CP208/230,

2653 52CQ501184

RC,RP208/230,

2654 52CQ501204

Cooling Only Units

52PCAA,CP

208/230,265

5 52CQ501184

RC,RP 6 52CQ501514

ITEM PART NO. FIGURE NO. LABEL DIAGRAM

Accessory

Energy Management (EM) Kit EM-KIT 7 52CQ501512

AA Standard ChassisCP Corrosion ProtectionRC Wall Thermostat Control (Standard Chassis)RP Wall Thermostat Control (with Corrosion Protection)

52C,PPackage Terminal

Air Conditioners and Heat Pumps

CAP CapacitorCOMP Compressor MotorCON (2) Circuit Plug CapCR Compressor RelayFCS Fan Cycle SwitchFGT Freeze Guard ThermostatFM Fan MotorFR Fan RelayGND GroundHR1 Heater RelayHR2 Heater RelayHTR HeaterIFT Indoor Frost ThermistorIT Indoor ThermostatNEC National Electrical CodeOFT Outdoor Frost ThermostatOL OverloadPCBD Printed Circuit BoardPLS Primary Limit SwitchPRI PrimaryPR Primary RelayRVR Reversing Valve RelayRVS Reversing Valve Solenoid

SEC SecondarySLS Secondary Limit SwitchSSS Speed Selector SwitchST Start ThermistorSW SwitchTRANS Transformer

Component Connection (Marked)

Component Connection (Unmarked)

Terminal Board Connection

Field Splice

Splice (Marked)

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Fig. 1 52CQ, PQ 208/230-1-60 and 265-1-60 Standard Units

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Fig. 2 52CQ, PQ 208/230-1-60 and 265-1-60 Units with Wall Thermostat Control

TYPICAL THERMOSTAT INTERFACE

1. If W is ON, then FR is forced ON (regardless of G) & CR is forced OFF.2. If Y is ON, then FR is forced ON (regardless of G).3. If IFT (indoor coil) is < 20 F, then CR is forced OFF until IFT is > 50 F.

TSTAT OUTPUT: RC CONTROLER OUTPUT: UNIT OPERATION:

G 24 VACG 0 VAC

FR LINE VACFR 0 VAC FAN

Y 24 VACO 0 VAC

HR1 & HR2 LINE VACRVR LINE VAC

HEATING

W 24 VAC HR1 & HR2 LINE VAC HEATING

Y 24 VACO 24 VAC

CR LINE VACRVR 0 VAC

COOLING

R 24 VACC COMMON

R 24 VAC OUTPUTC COMMON

POWER TO WALLTHERMOSTAT

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Fig. 3 52CE, PE 208/230-1-60 and 265-1-60 Standard Units

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Fig. 4 52CE, PE 208/230-1-60 and 265-1-60 Units with Wall Thermostat Control

TYPICAL THERMOSTAT INTERFACE

1. If W is ON, then FR is forced ON (regardless of G) & CR is forced OFF.2. If Y is ON, then FR is forced ON (regardless of G).3. If IFT (indoor coil) is < 20 F, then CR is forced OFF until IFT is > 50 F.

TSTAT OUTPUT: RC CONTROLER OUTPUT: UNIT OPERATION:

G 24 VAC

G 0 VAC

FR LINE VAC

FR 0 VAC FANW 24 VACW 0 VAC

HR1 & HR2 LINE VACHR1 & HR2 0 VAC

HEATING

Y 24 VACY 0 VAC

CR LINE VACCR 0 VAC

COOLING

R 24 VACC COMMON

R 24 VAC OUTPUTC COMMON

POWER TO WALLTHERMOSTAT

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Fig. 5 52PC 208/230-1-60 and 265-1-60 Cooling Only Units

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Fig. 6 52PC 208/230-1-60 and 265-1-60 Cooling Only Units with Wall Thermostat Control

TYPICAL THERMOSTAT INTERFACE

1. If W is ON, then FR is forced ON (regardless of G) & CR is forced OFF.2. If Y is ON, then FR is forced ON (regardless of G).3. If IFT (indoor coil) is < 20 F, then CR is forced OFF until IFT is > 50 F.

TSTAT OUTPUT: RC CONTROLER OUTPUT: UNIT OPERATION:

G 24 VACG 0 VAC

FR LINE VACFR 0 VAC

FAN

Y 24 VACY 0 VAC

CR LINE VACCR 0 VAC

COOLING

R 24 VACC COMMON

R 24 VAC OUTPUTC COMMON

POWER TO WALLTHERMOSTAT

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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

PC 132 Catalog No. 535-20054 Printed in U.S.A. Form 52C,P-2W Pg 8 4-03 Replaces: 52C,P-1WBook 1 4

Tab 9a 11a

Copyright 2003 Carrier Corporation

Fig. 7 Energy Management Kit All Models