Typical Installation; Typical Field Wiring - York AM012M1021 Technical Manual

036-21573-001 Rev. A (0304)

TYPICAL INSTALLATION

6" CLEARANCE
AROUND PERIMETER
NOTE: ALL OUTDOOR WIRING
MUST BE WEATHERPROOF.

TYPICAL FIELD WIRING

ALL FIELD WIRING TO BE IN ACCORDANCE WITH NATIONAL ELECTRIC CODE (NEC) AND/OR LOCAL CODES
POWER WIRING
f
208-230, 1 , 60 Hz
CONTACTOR
TERMINALS
GND.
COIL
LUG
CONDENSING UNIT
ALL OUTDOOR WIRING MUST BE WEATHERPROOF. USE COPPER CONDUCTORS ONLY.
6
MINIMUM 18" SERVICE ACCESS
CLEARANCE ON ONE SIDE
60" OVERHEAD
CLEARANCE
24 VOLT CONTROL WIRING
MINIMUM 18 GA. WIRE
(NEC CLASS 2)
*
TERMINAL W IS ONLY
REQUIRED ON SYSTEMS
WITH HEAT.
THERMOSTAT
WEATHERPROOF
DISCONNECT
SWITCH
SEAL OPENING(S) WITH
PERMAGUM OR EQUIVALENT
CONTROL
ACCESS PANEL
FURNACE OR AIR HANDLER TERMINAL BLOCK
C Y
Y
ROOM THERMOSTAT
TO FURNACE OR
AIR HANDLER
TERMINAL BLOCK
NEC CLASS 1 WIRING
NEC CLASS 2 WIRING
TO INDOOR COIL
POWER WIRING
CONTROL WIRING
FACTORY WIRING
R G W
*
R G W
Unitary Products Group