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General: HVAC Controller Installation
Installing the HVAC Controller in 24VAC Relay Units
• Power Off the HVAC unit;
• Mount the HVAC Controller inside of the HVAC unit;
• Use the supplied wire harness to connect the HVAC Controller to the HVAC
unit;
• If applicable, set the unit to “External Thermostat” (Class 2) mode. Consult
the HVAC unit documentation to determine how to set the unit to “External
Thermostat” mode.
THE HVAC CONTROLLER ANTENNA MUST BE FACING THE THERMOSTAT AND
MUST NOT BE TOUCHING OR ENCLOSED BY ANY METAL COMPONENTS IN THE
HVAC UNIT.
THE HVAC CONTROLLER MUST BE MOUNTED SO IT CANNOT FALL INTO THE HVAC
UNIT CONDENSATION PAN. WE RECOMMEND USING PLASTIC CABLE TIES, OR 3M
COMMAND TAPE (NOT SUPPLIED).
HVAC Controller 24VAC Relay Connections (J3 Port) J9 Port
C
Black
R
Red
W
White
Y
Yellow
O
Orange
Aux2
Brown
GL
Purple
GH
Green
AUX1
Blue
Common 24VAC Heat Cool
O/B
Reverse
Valve
Aux2
Signal
Fan Low Fan High OCC
NOTE: Functionality may change due to equipment code
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