78
Single-Stage
Equipment Control Module Furnace
N/A O/B W2
Heat Stage 1 W/W1 W
N/A Y1 / W2
N/A Y/Y2
Fan G G
24VAC Hot Heating Rh R
24VAC Hot Cooling Rc
Dry Contact 1 D1
Dry Contact 2 D2
DHUM
24VAC Common C COM
Humidify HUM
Outdoor Air Temp OAT
Remote Room Sensor RRS
OAT/RRS Com SRTN
Outdoor Sensor *
Humidifier Solenoid
Valve *
Remote Room
Sensor *
A08139
Fig. 34 -- Single-- Stage Furnace Heating Only
* Indicates connection may not be required/available.