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036-21121-002 Rev. A (0602)
8 Unitary Products Group
TYPICAL FIELD WIRING - 1 Phase Application
TYPICAL FIELD WIRING - 3 Phase Application
ALL FIELD WIRING TO BE IN ACCORDANCE WITH ELECTRIC CODE (NEC) AND/OR LOCAL CODES
POWER WIRING
208/230-1-60
230-1-50
CONTACTOR
TERMINALS
COIL
GND.
LUG
CYRGW
Y
R
GW
POWER WIRING
CONTROL WIRING
FACTORY WIRING
24 VOLT CONTROL WIRING
MINIMUM 18 GA. WIRE
(NEC CLASS 2)
FURNACE OR AIR HANDLER TERMINAL BLOCK
ROOM THERMOSTAT
CONDENSING UNIT
ALL OUTDOOR WIRING MUST BE WEATHERPROOF. USE COPPER CONDUCTORS ONLY.
TERMINAL W IS ONLY
REQUIRED ON SYSTEMS
WITH HEAT.
*
*
ALL FIELD WIRING TO BE IN ACCORDANCE WITH ELECTRIC CODE (NEC) AND/OR LOCAL CODES
POWER WIRING
208/230-3-60
460-3-60
CONTACTOR
TERMINALS
COIL
GND.
LUG
CYRGW
YRGW
POWER WIRING
CONTROL WIRING
FACTORY WIRING
24 VOLT CONTROL WIRING
MINIMUM 18 GA. WIRE
(NEC CLASS 2)
FURNACE OR AIR HANDLER TERMINAL BLOCK
ROOM THERMOSTAT
CONDENSING UNIT
ALL OUTDOOR WIRING MUST BE WEATHERPROOF. USE COPPER CONDUCTORS ONLY.
TERMINAL W IS ONLY
REQUIRED ON SYSTEMS
WITH HEAT.
*
*