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339293-YTG-C-0208
4 Unitary Products Group
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
* Rated in accordance with ARI 270-95 Standards.
TYPICAL INSTALLATION - H*RA018S78 THRU 036S78 (1 PH)
TYPICAL FIELD WIRING - 1 PH APPLICATION (018S78 - 036S78)
UNIT MODEL (dBA)
018 76
024 78
030 82
036 82
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.
ALL FIELD WIRING TO BE IN ACCORDANCE WITH ELECTRIC CODE (NEC) AND/OR LOCAL CODES
POWER WIRING
230-1-50
CONTACTOR
TERMINALS
COIL
GND.
LUG
CYRGW
YRGW
POWER WIRING
CONTROL WIRING
FACTORY WIRING
24 VOLT CONTROL WIRING
MINIMUM 18 GA. WIRE
(NEC CLASS 2)
FURNACE OR AIR HANDLER TERMINAL BLOCK
ROOM THERMOSTAT
CONDENSING UNIT
ALL OUTDOOR WIRING MUST BE WEATHERPROOF. USE COPPER CONDUCTORS ONLY.
TERMINAL W IS ONLY
REQUIRED ON SYSTEMS
WITH HEAT.
*
*