Typical Field Wiring - 1 Phase Application; Typical Field Wiring - 3 Phase Application - York H1RA018S06 Technical Manual

036-21121-002 Rev. B (0103)

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
230-1-50
CONTACTOR
TERMINALS
GND.
LUG
COIL
CONDENSING UNIT
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
POWER WIRING
208/230-3-60
460-3-60
CONTACTOR
TERMINALS
GND.
LUG
COIL
CONDENSING UNIT
ALL OUTDOOR WIRING MUST BE WEATHERPROOF. USE COPPER CONDUCTORS ONLY.
10
24 VOLT CONTROL WIRING
MINIMUM 18 GA. WIRE
(NEC CLASS 2)
*
TERMINAL W IS ONLY
REQUIRED ON SYSTEMS
WITH HEAT.
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
R
Y
ROOM THERMOSTAT
POWER WIRING
CONTROL WIRING
FACTORY WIRING
FURNACE OR AIR HANDLER TERMINAL BLOCK
C Y R G
Y R G
ROOM THERMOSTAT
W
*
G W
W
*
W
Unitary Products Group