FHP AHP 641-224, User Manual

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Inputs
 RS Room temperature sensor (Rnet)

RS Room temperature sensor Set point adjust (Rnet)

RS Room temperature sensor Occupancy override (Rnet)

Discharge air temperature sensor

Leaving water temperature sensor

Unit Protection module (UPM) Alarm codes (7 safety shutdown alarms)

Unit Filter status (optional)

Unit Enable manual control (optional DI Enable)
Outputs

Unit blower control

Reversing Valve
 Cooling Stage 1

Cooling Stage 2 (Comp 2 Circuit or Comp1 Stage 2)

Humidity control output (optional Hot gas re-heat)
 Auxiliary/Emergency Heating Stage (optional Electric Heat)
Control & Status Parameters and Alarms
Control
 BACview occupancy schedule

System control: Schedule, Manual ON, BAS command or DI Enable

Room temperature occupied cooling/heating set point
 Room temperature unoccupied cooling/heating set point

Unit blower control

Reversing valve control
 Compressor 1 control

Compressor 2 control (Comp 2 Circuit)

Unit Enable manual control (optional)

Humidity Control ( hot gas re-heat optional)

Auxiliary/Emergency Electric heat output control (optional)
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