Carrier Packaged Terminal s & Heat Pumps 52P - Manual (Page 48)

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WIRING DIAGRAMS (52P AND 52C) (cont)
52PE and 52CE — 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 compo-
nents when used.
6. Field control wire suitable for
NEC class 2 control circuit, at
24 volts.
COMPONENT LEGEND
Component Connection (Marked) FM — Fan Motor TRANS — Transformer
Component Connection (Unmarked) HTR — Heater PCBD — Printed Circuit Board
Terminal Board Connection IFT — Indoor Frost Thermostat — HR1 — Heater Relay
Field Splice NEC — National Electrical Code — HR2 — Heater Relay
Field Control Wiring OL — Overload — CR — Compressor Relay
Accessory or Optional Wiring PLS — Primary Limit Switch — FR — Fan Relay
To Indicate Common Potential Only Not To Represent Wire SLS — Secondary Limit Switch
CAP — Capacitor SSS — Speed Selector Switch
COMP — Compressor ST — Start Thermistor