66
Typical
Single-Stage
Equipment Control Module
Fan Coil
Air Conditioner
O
Heat Stage 2
O/B W2
E
Heat Stage 1
W/W1
W3
N/A
Y1 / W2
W2
Cool Stage 1
Y/Y2
Y
Y
Fan
G
G
24VAC Hot Heating
Rh
R
R
*
24VAC Hot Cooling
Rc
Dry Contact 1
D1
Dry Contact 2
D2
24VAC Common
C
C
C
Humidify
HUM
Outdoor Air Temp
OAT
Remote Room Sensor
RRS
OAT/RRS Com
SRTN
Outdoor Sensor *
Humidifier Solenoid
Valve *
Remote Room
Sensor *
A08127
Fig. 22 -- Typical Fan Coil with Air Conditioner
* Indicates connection may not be required/available.