Typical Installation; Typical Field Wiring - York AY012MA321 Technical Manual

246814-YTG-D-0606

TYPICAL INSTALLATION

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

TYPICAL FIELD WIRING

ALL FIELD WIRING TO BE IN ACCORDANCE WITH ELECTRIC CODE (NEC) AND/OR LOCAL CODES
POWER WIRING
208/230-1-60
GND.
LUG
CONTACTOR
TERMINALS
COIL
CONDENSING UNIT
ALL OUTDOOR WIRING MUST BE WEATHERPROOF. USE COPPER CONDUCTORS ONLY.
10
MINIMUM 24" SERVICE ACCESS
CLEARANCE ON ONE SIDE
48" OVERHEAD
CLEARANCE
WEATHERPROOF
DISCONNECT
SWITCH
CONTROL ACCESS PANEL
24 VOLT CONTROL WIRING
MINIMUM 18 GA. WIRE
(NEC CLASS 2)
*
TERMINAL W IS ONLY
REQUIRED ON SYSTEMS
WITH HEAT.
THERMOSTAT
NEC CLASS 1 WIRING
TO FURNACE OR
AIR HANDLER
TERMINAL BLOCK
NEC CLASS 2 WIRING
TO INDOOR COIL
SEAL OPENING(S) WITH
PERMAGUM OR EQUIVALENT
FURNACE OR AIR HANDLER TERMINAL BLOCK
C Y R G
Y R G
ROOM THERMOSTAT
POWER WIRING
CONTROL WIRING
FACTORY WIRING
W
*
W
Unitary Products Group