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036-21105-004 Rev. A (0902)
Unitary Products Group 5
TYPICAL FIELD WIRING
TYPICAL FIELD WIRING - 1 PHASE
TYPICAL FIELD WIRING - 3 PHASE
CONTROL
WIRING
LOW VOLTAGE
JUNCTION BOX
POWER
WIRING
GROUND
LUG
ALL OUTDOOR WIRING MUST BE WEATHERPROOF.
USE COPPER CONDUCTORS ONLY.
POWER WIRING
230-1-50
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
TERMINAL W IS
ONLY REQUIRED
ON SYSTEMS
WITH HEAT.
*
*
POWER WIRING
380/415-3-50
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
TERMINAL W IS
ONLY REQUIRED
ON SYSTEMS
WITH HEAT.
*
*