TYPICAL FIELD WIRING
POWER
WIRING
CONTROL
WIRINGGROUND
LUG
LOW VOLTAGE
JUNCTION BOX 
ALL OUTDOOR WIRING MUST BE WEATHERPROOF.
USE COPPER CONDUCTORS ONLY.
TYPICAL FIELD WIRING - 1 PHASE
POWER WIRING
CONTACTOR
TERMINALS
GND.
LUG
COIL
24 VOLT CONTROL WIRING |
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| POWER WIRING |
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MINIMUM 18 GA. WIRE |
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| CONTROL WIRING |
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(NEC CLASS 2) |
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| FACTORY WIRING |
FURNACE OR AIR HANDLER TERMINAL BLOCK | ||||
C | Y | R | G | W |
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| * TERMINAL W IS |
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| ONLY REQUIRED |
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| ON SYSTEMS |
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| WITH HEAT. |
| Y | R | G | W * |
CONDENSING UNIT | ROOM THERMOSTAT |
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TYPICAL FIELD WIRING - 3 PHASE
POWER WIRING
CONTACTOR
TERMINALS
GND.
LUG
COIL
POWER WIRING
CONTROL WIRING
24 VOLT CONTROL WIRING
MINIMUM 18 GA. WIREFACTORY WIRING (NEC CLASS 2)
FURNACE OR AIR HANDLER TERMINAL BLOCK
C Y R G W
* TERMINAL W IS ONLY REQUIRED ON SYSTEMS WITH HEAT.
Y R G W *
CONDENSING UNIT | ROOM THERMOSTAT |
|
Unitary Products Group | 5 |
