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LEGEND
CAP — Capacitor
COMP — Compressor
FCS — Fan Cycle Switch
FM — Fan Motor
HTR — Heater
IT — Indoor Thermostat
L—Power Supply Line
OL — Overload
PL — Plug
PLS — Primary Limit Switch
SLS — Secondary Limit Switch
ST — Start Thermistor
SW — Selector Switch
Component Connection (Marked)
Component Connection (Unmarked)
Accessory or Optional Wiring
Factory Wiring
To Indicate Common Potential Only.
Not to Represent Wire
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.
FIGURE 84 — WIRING SCHEMATIC; 52SE — 208/230 V AND 265 V AA AND CP UNITS
SWITCH
POSITION
CONTACTS MADE
OFF FCS TO LS
FAN L1 TO LO*, FCS1 TO LS
LO HEAT
FCS2 TO LO, IT1 TO LS,
L2 TO HTR, FCS1 TO LS
HI HEAT
FCS2 TO HI, IT1 TO LS,
L2 TO HTR, FCS1 TO LS
LO COOL
FCS2 TO LO, COMP TO FCS1,
COMP TO IT3
HI COOL
FCS2 TO HI, COMP TO FCS1,
COMP TO IT3
*L1 to MED, some models.
52S
SERIES
52