Tech Controllers ST-976 - Page 31

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Controlwithoutroomregulator
Thisoptionshouldbeselectediftheuserdoesnotwanttheroomregulatortoinfluencethevalveoperation.
Standardregulator
SelectthisoptionifthevalveiscontrolledbyaroomregulatorwithRScommunication,decreasingthepre‐set
valvetemperaturebyapre‐definedvalue.
RSregulator‐proportional
ActivatingthisroomregulatorenablestheusertomonitorcurrenttemperatureofCHboiler,watertankand
thevalves.TheregulatorshouldbeconnectedtoRSsocketofST‐976controller.
Whenthistypeofroomregulatorisselected,thevalveiscontrolledaccordingtoChangeofpre‐setvalvetemp
and Room temperature difference parameters (these parameters appear in the menu when this option is
selected).
Standardvalveregulator
This option should be selectedifthevalvewillbecontrolledbyatwo‐stateroomregulator(withoutRS
communication).
Oncethisfunctionisselected,anewoptionappearsinthemenu:Roomregtemplower.
Roomregtemplower
NOTE
ThisfunctionisavailableonlyifRSregulator‐decrease,standardregulatororTECHRSregulatoris
selected.
Theuserdefinesthevalueofvalvetemperaturereductionwhichwillbeperformedwhentheroomregulator
reachesthepre‐settemperature.
Valveclosing
Thisfunctionisusedtoclosethevalve.
Roomtemperaturedifference
NOTE
ThisfunctionisavailableonlyifRSregulator‐proportionalorTECHRSregulatorisselected.
Thissettingisusedtodefinethesingleunitchangeinthecurrentroomtemperature(withtheaccuracyof
0.1°C)atwhichapredefinedchangeinthepre‐settemperatureofthevalvewillbeintroduced.
Changeinthesettemp.
NOTE
ThisfunctionisavailableonlyifRSregulator‐proportionalregulatorisselected.
Thissettingdeterminesbyhowmanydegreesthevalvetemperatureistoincreaseordecreasewithasingle
unitchangeinroomtemperature(see:Roomtemperaturedifference)ThisfunctionisactiveonlywithTECH
roomregulatoranditiscloselyrelatedtotheRoomtemperaturedifferenceparameter.
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