Wiring Diagrams - Carrier 52S Architects And Engineers' Manual

WIRING DIAGRAMS

CAP
COMP — Compressor
FCS
FM
HTR
IT
L
OFT
OL
PL
PLS
RVS
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 (National Electrical Code) and local codes.
5. Dashed lines indicate components when used.
— Capacitor
— Fan Cycle Switch
— Fan Motor
— Heater
— Indoor Thermostat
— Power Supply Line
— Outdoor Frost Thermostat
— Overload
— Plug
— Primary Limit Switch
— Reversing Valve Solenoid
52SQ — Typical Wiring Schematic For Standard Units
LEGEND
SLS — Secondary Limit Switch
— Start Thermistor
ST
SW — Switch
Component Connection (Marked)
Component Connection (Unmarked)
Accessory or Optional Wiring
Factory Wiring
To Indicate Common Potential Only
Not to Represent Wire
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