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LEGEND FOR T-STAT WIRING HARNESS
R 24 VAC Power From Unit
Y Coil for Cooling
W Call for Heat
O Reversing Valve Energized in cooling mode
GL Call for Low Fan
GH Call for High Fan
RT6 - Two Speeds Fan T-Stat - Field Provided
-- -- -- Field Wiring
GH
GL
O
B
Y
W
RC
RH
C
R
W
O
GL
Y
GH
EXT.
SW
EXT.
SW
C
THERMOSTAT CONNECTIONS
Electronic
Control
Board
Jumper Wire
RT6
Disk control
or
Auxillary fan
REMOTE WALL THERMOSTAT WIRING DIAGRAM
COOL WITH ELECTRIC HEAT