ACCESSORIES
Refer to Price Manual for specific model numbers.
Compressor Blanket - Designed to further reduce the nor- mal operating sound.
Hard Start Kit (Single Phase Units) - provides required starting torque for use with thermal expansion valve.
Outdoor Thermostat - 2TD06700124 - Consists of an adjustable outdoor thermostat and relay in a vented enclo- sure. It provides additional second stage control of the sup- plemental resistance heat.(Balance Point Control)
SOUND RATINGS
UNIT MODEL | (dBA) |
|
|
018 | 76 |
|
|
024 | 78 |
|
|
030 | 82 |
|
|
036 | 82 |
|
|
* Rated in accordance with ARI
TYPICAL INSTALLATION - H*RA018S78 THRU 036S78 (1 PH)
| MINIMUM 18” SERVICE ACCESS |
| |
60” OVERHEAD | CLEARANCE ON ONE SIDE | THERMOSTAT TO FURNACE OR | |
| AIR HANDLER | ||
CLEARANCE | WEATHERPROOF | ||
TERMINAL BLOCK | |||
| |||
| DISCONNECT | ||
|
| ||
| SWITCH | NEC CLASS 1 WIRING | |
|
| NEC CLASS 2 WIRING |
10” CLEARANCE COIL AREA 
TO INDOOR COIL
NOTE: ALL OUTDOOR WIRING MUST BE WEATHERPROOF.
SEAL OPENING(S) WITH
PERMAGUM OR EQUIVALENT
CONTROL ACCESS PANEL
TYPICAL FIELD WIRING - 1 PH APPLICATION (018S78 - 036S78)
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
CONTACTOR
TERMINALS
GND.
LUG
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.
4 | Unitary Products Group |
