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