
Equipment Control Module  | Typical  | 
Fan Coil  | 
RVS/Heat Stage 2
Heat Stage 1
Compressor Low
Compressor High
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
O/B W2  | 
  | 
W/W1  | 
  | 
Y1 / W2  | 
  | 
Y/Y2  | 
  | 
G  | G  | 
Rh  | R  | 
Rc  | 
  | 
D1  | 
  | 
D2  | 
  | 
C  | C  | 
HUM  | 
  | 
 Humidifier Solenoid
OAT  | Valve *  | 
RRS  | Outdoor Sensor *  | 
SRTN | Remote Room  | 
  | Sensor *  | 
Y  | 
R  | 
C*  | 
* Indicates connection may not be required/available.
A09161
Fig. 29 − Typical Fan Coil Cooling Only
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