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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 *
* Indicates connection may not be required/available.
A09168
Fig. 23 − Typical Fan Coil with Air Conditioner