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Control units VCS

List of Data Points (HMI-DM, HMI-TM and HMI@WEB controllers)

Menu HMI-DM,HMI-TM a HMI@WEB

Menu Meaning

Factory settings

Value Min Max

Units

RundownTmTrans Time transition to 1St speed - two-speed fans 12 0 99 s

BlckHighSpeedFan Outdoor temperature-dependent fan speed interlocking -60 -64 64 °C

ForceStrtTimOn1St Forced fan start-up to 1St speed (TRN – damper output absent) 20 0 99 °C

DelayStartFan Fan start-up delay (after damper) 20 0 9999 s

FanRunDwn Fan run-out 180 0 9999 s

FlowActDelayStrtErr Failure ow activation delay (at fan start-up) 45 0 600 s

FlowActDelayRunErr Failure ow activation delay (during fan run) 5 0 600 s

erContActDelayTmErr ermo-contact (TK) failure activation delay (fans) 2 0 600 s

FreqInvActSetDelayTmErr Frequency inverter failure activation delay 2 0 600 s

Control Parameters Control parameters

ValueOfTemperatureRegulation Temperature control values

MaxDevRmSplyTemp Maximum dierence between room and inlet temperatures 5 0 64 °C

MinDevRmSplyTemp Min. dierence between room and inlet temperatures 5 0 64 °C

ActCascSpvHeating Calculated required temperature for heating with cascade control °C

ActCascSpvCooling Calculated required temperature for cooling with cascade control °C

ActMainSpvHeating Calculated required temperature for heating °C

ActMainSpvCooling Calculated required temperature for cooling °C

ActualTempControlMode Current temperature-dependent control (inlet, room, outlet)

SplyTempLimitation Inlet temperature limitation

SplyMinLimit Minimum inlet air temperature 15 0 64 °C

SplyMaxLimit Maximum inlet air temperature 35 0 64 °C

Sequences Sequence

WaterHtgWithFunctionPreHtg Water heating with pre-heating function

PmpStrtOutTmp

Outdoor temperature-dependent pump start-

up in the AHU Stop and Run mode 5 -64 64 °C

PmpMinRunTime Minimum pump run time 180 0 9999 s

PmpKickTm Pump downtime to the pump turning activation 168 0 9999 h

PmpKickTmOn Active pump turning time 60 0 9999 s

PreHtgTm Active water pre-heating operation time 120 0 600 s

PreHtgTmO Function blocking time between AHU unit shut-down and restart 5 0 30 min

PreHtgEquCurX1 Water heater circuit heating curve setting at the AHU start-up X1 -10 -30 5 °C

PreHtgEquCurY1 Water heater circuit heating curve setting at the AHU start-up Y1 (%) 100 0 100 %

PreHtgEquCurX2 Water heater circuit heating curve setting at the AHU start-up X2 10 0 50 °C

PreHtgEquCurY2 Water heater circuit heating curve setting at the AHU start-up Y2 (%) 10 0 100 %

StrtDelaySwtchAntiFreeze Stop to Run mode switching delay AP trigger value 60 0 600 s

StrtAntiFreezeInRun Water heat exchanger dependent AP trigger value - AHU in Run mode 15 0 50 °C

StrtAntiFreezeInStop Water heat exchanger dependent AP trigger value - AHU in Stop mode 30 0 50 °C

DlyEvalSplyAntiFreeze Inlet air dependent AP evaluation enabling delay after the unit start-up 60 0 600 s

StrtSplyAntiFreezAlmA Inlet air temperature dependent AP start-up – failure alarm A 6 -64 64 °C

StrtSplyAntiFreez Inlet air temperature dependent AP start-up 8 -64 64 °C

MaxTempReturnWater Maximum return water temperature 70 20 120 °C

Electric heating Electric Heating

ActiveElectricalHtg Electric heating switching on – request for heating 20 0 100 %

HystOElectricalHtg Electric heating hysteresis 10 1 100 %

Gas heating Gas heating

EnableSequenceCool Cooling sequence enabling

MinOnTime Minimum burner run time 150 0 600 s

MinOTime Minimum burner downtime 150 0 600 s

BlckTmAgainStrt1StBurner Burner restart protection time (burner Stage 1) 150 0 600 s

RampModulationBurner Modulation burner opening/closing speed (%/s) (burner Stage 1) 5 0 20 %/s

MinLoadO2StBurner Heating request value for the burner Stage 2 switch-o (%) 40 10 100 %

SetPointAlarmTmpFlueGas Maximum ue-gas alarm temperature 230 210 400 °C

MaxTempFlueGas Maximum ue-gas temperature 210 160 230 °C

SetPointTempFlueGas Requested ue-gas temperature 160 150 210 °C

MinTmpFlueGas Minimum ue-gas temperature 150 150 160 °C

Electrical preheating Electric pre-heating

SetPointPreHtgTmp Required temperature for pre-heating -20 -50 10 °C

BlckElPreHtgOutTmp Outdoor dependent electric pre-heating blocking -30 -50 10 °C

ActiveElPreHtg Heating request-dependent electric pre-heating switch-on 20 0 100 %

HystOPreHtg Hysteresis for electric pre-heater switch-o 10 0 100 %

Water preheating Water pre-heating

PreheatPumpStpt Outdoor dependent pre-heating (pump) start-up 5 -50 15 °C

PmpKickTm Pump downtime to the pump turning activation 168 0 9999 h

PmpKickTmOn Active pump turning time 30 0 9999 s

PmpMinRunTime Minimum pump run time 30 0 9999 s

Extra electrical heating Electric reheating

ActiveExtraElHeating St1 heating request dependent electric re-heating start-up 20 0 100 %

HystOExtraElHeating Hysteresis for electric re-heating switch-o 10 1 100 %

MaxPowExtraHtgForFanSt1 Fan St1 dependent outlet limitation 100 0 100 %

MaxPowExtraHtgForFanSt2 Fan St2 dependent outlet limitation 100 0 100 %

MaxPowExtraHtgForFanSt3 Fan St3 dependent outlet limitation 100 0 100 %

MaxPowExtraHtgForFanSt4 Fan St4 dependent outlet limitation 100 0 100 %

MaxPowExtraHtgForFanSt5 Fan St5 dependent outlet limitation 100 0 100 %

Heat Pump, H, Heat Pump 2,

Heat Pump 3

HeatPump - heating Heat pump - heating

StptBlckOutTmp Outdoor temperature dependent heat pump blocking 5 -45 35 °C

StptHysOutTmp Temp. hysteresis for outdoor temperature dependent heat pump unblocking 3 1 10 °C

Brand	Remak
Model	VCS
Category	Control Unit
Language	English

Remak VCS User Manual

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Remak VCS Specifications