45
Abbreviation Description
AH-HC AirheaterofHeaterCircuit
Bn On/OffBoilern
CP Circulatingpump(controlledbySequenceControl)
F-PP-HWSC FaultcontactofprimarypumpofHotWaterStorageCircuit
FM FaultMessagesFunction
F-B FaultcontactofBoiler
F-CP FaultcontactofCirculatingpump
F-P-HWSC FaultcontactofpumpofHotWaterStorageCircuit
Gen GeneralFunction
HC HeaterCircuitFunction
HD-SC HeatdemandcontactofSequenceControl
HWS HotWaterStorageCircuitFunction
MC MixingCircuitFunction
NC No Connection
PC PumpCircuitFunction
P-HWSC PumpofHotWaterStorageCircuit
P-MC Pump of Mixing Circuit
P-PC Pump of Pump Circuit
PP-HWS PrimarypumpofHotWaterStorageCircuit
S-FT Flowtemperaturesensor
S-FT-HC FlowtemperaturesensorofHeatingCircuit
S-FT-MC FlowtemperaturesensorMixingCircuit
S-FT-SC-PT CommonFlowtemperaturesensorofSequenceControlandPumpCircuit
S-HWS WatertemperaturesensorHotWaterStorageCircuit
S-OT Outdoortemperaturesensor
S-RT-HC RoomtemperaturesensorofHeatingCircuit
S-RT-MC RoomtemperaturesensorMixingCircuit
S-RT-PC RoomtemperaturePumpCircuit
S-RT-SC RoomtemperaturesensorSequenceControl
SC SequenceControlFunction(PlantControl)
T-HC OvertimecontactofHeaterCircuit
T-HWS OvertimecontactofHotWaterStorageCircuit
T-MC OvertimecontactofMixingCircuit
T-PC OvertimecontactofPumpCircuit
T-SC OvertimecontactofSequenceControl
T-SC-HWS OvertimecontactofbothSequenceControlandHotWaterStorageCircuit
V-MC 3-WayvalveofMixingCircuit
APPENDIX 1d Abbreviations