83
Furnace Air Conditioner
Heat Stage 2 O/B W2
Heat Stage 1 W/W1 W1
N/A Y1 / W2 Y1
Cool Stage 1 Y/Y2 Y/Y2 Y
Fan G G
24VAC Hot Heating Rh R
24VAC Hot Cooling Rc R
Dry Contact 1 D1
Dry Contact 2 D2
DHUM
24VAC Common C
COM
C
Humidify HUM
Outdoor Air Temp OAT
Remote Room Sensor RRS
OAT/RRS Com SRTN
Outdoor Sensor *
Humidifier Solenoid
Valve *
Remote Room
Sensor *
**
Equipment Control Module
* Indicates connection may not be required/available.
** Option 19 set to 2.
A09152
Fig. 37 − Single−stage Furnace with Air Conditioner and Split Power