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)
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SOUND RATINGS |
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UNIT MODEL | SOUND | |
RATINGS | ||
| DECIBELS | |
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018 | 76 |
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024 | 78 |
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030 | 82 |
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036 | 82 |
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048 | 82 |
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060 | 80 |
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TYPICAL INSTALLATION - H*RA018S78 THRU 036S78 (1 PH) & H*RA 036S50 THRU 060S50 (3 PH)
| MINIMUM 18” SERVICE ACCESS |
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60” OVERHEAD | CLEARANCE ON ONE SIDE | THERMOSTAT TO FURNACE OR | |
| AIR HANDLER | ||
CLEARANCE | WEATHERPROOF | ||
TERMINAL BLOCK | |||
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| DISCONNECT | ||
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| SWITCH | NEC CLASS 1 WIRING | |
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| 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
Unitary Products Group | 5 |