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