York AY012MA321 - Manual (Page 10)

246814-YTG-D-0606
10 Unitary Products Group
TYPICAL INSTALLATION
THERMOSTAT
SEAL OPENING(S) WITH
PERMAGUM OR EQUIVALENT
TO INDOOR COIL
TO FURNACE OR
AIR HANDLER
TERMINAL BLOCK
NEC CLASS 2 WIRING
NEC CLASS 1 WIRING
NOTE:ALL OUTDOOR WIRING
MUST BE WEATHERPROOF.
CONTROL ACCESS PANEL
WEATHERPROOF
DISCONNECT
SWITCH
MINIMUM 24” SERVICE ACCESS
CLEARANCE ON ONE SIDE
48” OVERHEAD
CLEARANCE
12” CLEARANCE
AROUND PERIMETER
TYPICAL FIELD WIRING
ALL FIELD WIRING TO BE IN ACCORDANCE WITH ELECTRIC CODE (NEC) AND/OR LOCAL CODES
POWER WIRING
208/230-1-60
CONTACTOR
TERMINALS
COIL
GND.
LUG
C Y R G W
Y R G W
POWER WIRING
CONTROL WIRING
FACTORY WIRING
24 VOLT CONTROL WIRING
MINIMUM 18 GA. WIRE
(NEC CLASS 2)
FURNACE OR AIR HANDLER TERMINAL BLOCK
ROOM THERMOSTAT CONDENSING UNIT
ALL OUTDOOR WIRING MUST BE WEATHERPROOF. USE COPPER CONDUCTORS ONLY.
TERMINAL W IS ONLY
REQUIRED ON SYSTEMS
WITH HEAT.
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