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52c,p series – Carrier P User Manual

Page 44

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52C,P

SERIES

44

FIGURE 71 — 52CE AND 52PE — TYPICAL WIRING SCHEMATIC FOR

WALL THERMOSTAT CONTROL HEAT/COOL UNITS

NOTES:

1. Recommended for use on grounded power supply only.
2. Compressor and fan motor thermally protected.
3. Use copper conductors only.
4. All wiring must conform with NEC and local codes.
5. Dashed lines indicate components when used.
6. Field control wire suitable for NEC class 2 control circuit, at

24 volts.

Component Connection (Marked)

Component Connection (Unmarked)

Terminal Board Connection

Field Splice

Field Control Wiring

Accessory or Optional Wiring

To Indicate Common Potential Only
Not To Represent Wire

CAP

Capacitor

COMP

Compressor

FM

Fan Motor

HTR

Heater

IFT

Indoor Frost Thermostat

NEC

National Electrical Code

OL

Overload

PCBD

Printed Circuit Board

HR1

Heater Relay

HR2

Heater Relay

CR

Compressor Relay

FR

Fan Relay

PLS

Primary Limit Switch

SLS

Secondary Limit Switch

SSS

Speed Selector Switch

ST

Start Thermistor

TRANS

Transformer

COMPONENT LEGEND

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