Inputs; Outputs; Control & Status Parameters And Alarms; Control - FHP 641-224 User Manual

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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