Equipment Control Module
N/A
Heat Stage 1
N/A
Cool Stage 1
Fan
24VAC Hot Heating
24VAC Hot Cooling
**
Dry Contact 1
Dry Contact 2
24VAC Common
Humidify
Outdoor Air Temp
Remote Room Sensor
OAT/RRS Com
* Indicates connection may not be required/available.
** Option 19 set to 2.
Fig. 33 − Single−Stage Furnace with Single−Speed Air Conditioner
O/B W2
W/W1
Y1 / W2
Y/Y2
G
Rh
Rc
D1
D2
C
HUM
Humidifier Solenoid
OAT
RRS
SRTN
79
Furnace
Y1
W
Y/Y2
G
R
DHUM
COM
Valve *
Outdoor Sensor *
Remote Room
Sensor *
Single-Stage
Air Conditioner
Y
R*
C
A09661