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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