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Thermostat Furnace Heat Pump
O
RVS/Heat Stage 2 O/B W2 W2
Heat Stage 1 W/W1 W1 W2 *
Compressor Low Y1 Y1
Compressor High Y/Y2 Y/Y2 Y
Fan G G
24VAC Hot Heating Rh R R
24VAC Hot Cooling Rc
Dry Contact 1 D1
Dry Contact 2 D2 DEHUM
24VAC Common C COM COM
Humidify HUM
Outdoor Air Temp OAT
Remote Room Sensor RRS
OAT/RRS Com OAT/RRS
Outdoor Sensor *
Humidifier Solenoid
Valve *
Remote Room
Sensor
*
A06588
Fig. 33 -- Variable Speed/Multi--Stage Furnace w/Single--Stage Heat Pump
* Indicates connection may not be required/available.