SystemControlling
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26.1Cascadesettings
Thecascaderegulatesthecommonoperationoftwo,threeandfourpelletboilersor3pelletboilersandapeakload
boiler.Thereforearecascadesystemswithandwithoutaccumulator.
CascadesettingsisintheMainmenu.Cascadesettingsis
displayedafterenteringthecodeintheMainmenu.
Cascadesettingshasfollowingmenuitems:
Actualvalues–notadjustable
•CascadeBase
•SwitchOnTempActual
•SwitchOffT empActual
•DelayTime
•Boiler1
•Boiler2
•Boiler3
•Boiler4
Setvalues–adjustable
•Hysteresis
•DelayTime
•DelayTemp
•CascadeBaseMin
•SequenceChanges
•PeakLoadBoiler
Conditionsforacascade:
•AcascadesystemwithanaccumulatorisonlypossiblewithaccumulatorNo.1.
•IfaccumulatorNo.1isinstalledallboilersmustbeassignedtothisaccumulator(No.1)
•Theaccumulatorpumpmustbeconnectedtotheboiler.
PeripheryLearning
Note
PriortothePeripheryLearning,allcomponentsmustbeconnectedproperly.
Thenumberofboilersandselectionoftheswitchoffsensorinacascadesystemwithanaccumulatormustbetakenin
themenuPeripheryLearning.SeeChapter20PeripheryLearning,page54
NumberofBoilers
Insertthenumberofboilers.Peakloadboilerscount
tothenumberofboilers.Example:3Pellematicand
1Peakloadboilerresultsinanumberof4!
SwitchOffSensor
Ifanaccumulatorispresent,youcanchoosetheTPO
(ACuppersensor)ortheTPM(ACmiddlesensor)for
theSwitchOffSensor.Ifthereexistsnoaccumulator
inthesystem,thenyoudonothavethischoice.
OperatingmanualPelletronicTouch
E1389EN2.0