York H*RC018 THRU 060, H*RC036S Typical Installation, TYPICAL FIELD WIRING - 1 Phase Application

036-21137-004 Rev. C (0505)

TYPICAL INSTALLATION

	MINIMUM 18” SERVICE ACCESS	THERMOSTAT	TO FURNACE OR
60” OVERHEAD	CLEARANCE ON ONE SIDE
			AIR HANDLER
CLEARANCE	WEATHERPROOF
			TERMINAL BLOCK
	DISCONNECT
	SWITCH		NEC CLASS 1 WIRING
			NEC CLASS 2 WIRING
10” CLEARANCE			TO INDOOR COIL
COIL AREA

NOTE: ALL OUTDOOR WIRING MUST BE WEATHERPROOF.

SEAL OPENING(S) WITH

PERMAGUM OR EQUIVALENT

CONTROL ACCESS PANEL

TYPICAL FIELD WIRING - 1 Phase Application

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

POWER WIRING

208/230-1-60

POWER WIRING

24 VOLT CONTROL WIRING		CONTROL WIRING
MINIMUM 18 GA. WIRE
		FACTORY WIRING
(NEC CLASS 2)
	FURNACE OR AIR HANDLER TERMINAL BLOCK

CONTACTOR

TERMINALS

GND.

LUGCOIL

CONDENSING UNIT

C Y R G W

* TERMINAL W IS ONLY REQUIRED ON SYSTEMS WITH HEAT.

*

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.

Unitary Products Group 13