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036-21103-003 Rev. A (0403)
Unitary Products Group 5
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
TYPICAL INSTALLATION - H*RA018S78 THRU 036S78 (1 PH) & H*RA 036S50 THRU 060S50 (3 PH)
UNIT MODEL
SOUND
RATINGS
DECIBELS
018 76
024 78
030 82
036 82
048 82
060 80
MINIMUM 18” SERVICE ACCESS
CLEARANCE ON ONE SIDE
60” OVERHEAD
CLEARANCE
10” CLEARANCE
COIL AREA
WEATHERPROOF
DISCONNECT
SWITCH
THERMOSTAT
TO FURNACE OR
AIR HANDLER
TERMINAL BLOCK
NEC CLASS 1 WIRING
NEC CLASS 2 WIRING
TO INDOOR COIL
SEAL OPENING(S) WITH
PERMAGUM OR EQUIVALENT
CONTROL ACCESS PANEL
NOTE: ALL OUTDOOR WIRING MUST
BE WEATHERPROOF.