IHIU Node-HIU Standard Variables

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  • kwH=Power In [kW]
  • kwC=Power DHW [kW]
  • wH=DH Total Input [kW]
  • fH=DH Total Flow [l%2Fmin]
  • c=seconds
  • st=state
  • fC=Flow Tapping [l%2Fmin]
  • tCo=Temperature Tapping [C]
  • tH=DH Flow Temperature [C]
  • tHoCH=DH Return Temperature CH [C]
  • xDHW=Stepper Motor Position for DHW
  • stat=CH Thermostat
  • dpH=DH pressure%2C estimated [bar]
  • fHDHW=DH Flow%2C DHW [l%2Fmin]
  • eT=Temperature Error [C]
  • TTdhw=Setpoint[C]
  • eS=ErrorStatus
  • tHo=DH Return temperature [C]
  • tCHo=Central Heating temperature [C]
  • pCH=Central Heating pressure [bar]
  • pump=Pump Run
  • xCH=Stepper Motor Position for CH [0 - 270]
  • fHCH=DH Flow%2C CH [l%2Fmin]
  • vC=total liter tapped
  • cC=tap counter
  • cSt=time in current state [seconds]
  • cEr=error counter
  • e1=TEMPERATURESENSORS
  • e2=FLOWSENSOR
  • e3=PRIMARYCONTROL
  • e4=DISTRICTHEATING
  • e5=CH RETURN TEMP
  • e6=DHW TEMP
  • e7=DH TEMP
  • e8=DHRETURN TEMP
  • e9=CENTRAL HEATING
  • e10=WARMUP_TIMER
  • e11=CH TEMP WARNING
  • e12=CH TEMP ERROR
  • V= Firmware Version
  • DHW= DHW Setpoint [C]
  • WB= Warmup Boost [l%2Fmin]
  • ECO= Heat Exchanger Comfort Mode
  • PM= Pressure Mode
  • PS= Pressure [bar]
  • cUP= Counter PowerUps *Counter_Errors= *CPU= CPU Serial Nnumber
  • CHRL= DH Return Limit [C]
  • CHL= Central heating supply limit [C]
  • PTM= Pump Timeout [seconds]
  • CHPM= CH Protection Mode
  • ECOD= Eco Keep-Warm Duration [minutes]
  • ECOT= Eco Keep-Warm Temperature [C]
  • LEG= Legionella Function