York H*RA018 THRU 060, H*RA036 THRU 090 warranty TYPICAL FIELD WIRING - 1 Phase Application

036-21121-002 Rev. A (0602)

TYPICAL FIELD WIRING - 1 Phase Application

ALL FIELD WIRING TO BE IN ACCORDANCE WITH ELECTRIC CODE (NEC) AND/OR LOCAL CODES

GND.

LUG

POWER WIRING
208/230-1-60	24 VOLT CONTROL WIRING
230-1-50	MINIMUM 18 GA. WIRE
	(NEC CLASS 2)
	* TERMINAL W IS ONLY
	REQUIRED ON SYSTEMS
	WITH HEAT.
CONTACTOR
TERMINALS
COIL

CONDENSING UNIT

POWER WIRING

CONTROL WIRING

FACTORY WIRING

FURNACE OR AIR HANDLER TERMINAL BLOCK

C Y R G W

*

Y R G W

ROOM THERMOSTAT

ALL OUTDOOR WIRING MUST BE WEATHERPROOF. USE COPPER CONDUCTORS ONLY.

TYPICAL FIELD WIRING - 3 Phase Application

ALL FIELD WIRING TO BE IN ACCORDANCE WITH ELECTRIC CODE (NEC) AND/OR LOCAL CODES

GND.

LUG

POWER WIRING

208/230-3-60

460-3-60

CONTACTOR TERMINALS

COIL

24 VOLT CONTROL WIRING MINIMUM 18 GA. WIRE (NEC CLASS 2)

*TERMINAL W IS ONLY REQUIRED ON SYSTEMS WITH HEAT.

POWER WIRING

CONTROL WIRING

FACTORY WIRING

FURNACE OR AIR HANDLER TERMINAL BLOCK

C Y R G W

YR G W *

CONDENSING UNIT

ROOM THERMOSTAT

ALL OUTDOOR WIRING MUST BE WEATHERPROOF. USE COPPER CONDUCTORS ONLY.

8 Unitary Products Group