USER MANUAL DV WITH CONTROLLER VERSION 1.01.13 90925372

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K.6Descriptionoffunctions
K.6.1Remotecontrol
k.6.1.1CommunicationtoBMSsystemswithMODBUS
ThecontrollerhasbeenpreparedforcommunicationviaRS485communicationporttoaMODBUSbased
BMSsystem(BuildingManagementSystem).
Thecontrollercanworkasastand‐alonesystemwithoutanysupportfromothercontrollers.
k.6.1.2CommunicationtoBMSsystemswith
LON
ThecontrollerhasbeenpreparedforcommunicationviaLONcommunicationporttoBMSsystems
(BuildingManagementSystems).TheportusesLonWorksaccordingtotheLonMark‐guidelines.TheLON‐
interfacevariablesareavailablefromSystemair.Thecontrollercanworkasastand‐alonesystemwithout
anysupportfromothercontrollers.
k.6.1.3
Communi cationtoBMSsystemsviaBACnet
ThecontrollerhasbeenpreparedforBACnetTCP/IPinterface.Thiscanbeusedforcommunicationwitha
BMSsystem(BuildingManagementSystem).
Thecontrollercanworkasastand‐alonesystemwithoutanysupportfromothercontrollers.
K.6.2Extendedoperationandexternalstart/stop(forexample
bypresencedetectors)
Whentheunitisrunningatreducedspeedorisinshutdownmode,itcanbeforceduponestepbyusinga
Pushbutton(impulse).Therequirednumberofminutesfortheextendedoperationmustbeselectedon
theSystemairControlPanel.Buttonandcableare
notdeliveredbySystemair.Furthermorewhentheunitis
inshutdownmodeitispossibletostart/stoptheunitbypresencedetectors.Presencedetectorsandcable
arenotdeliveredbySystemair.
k.6.3Valveandvalvemotorforheatingcoil
Thesupplyvoltageforthewatervalveactuatoris24VAC,the
controlsignalis0‐10V.Thesensorforwater
temperaturehastobeinstalledintheheatingcoilandthesensorisprovidedwithcablebutnotconnected
totheterminalsinthecabinet.Thecablebetweenvalvemotorandterminalsinthecabinetisnotdelivered
bySystemair.
Standardvalvesareavailablefor2or3‐wayconnection.
k.6.4Valveandvalvemotorforcoolingcoil
Thesupplyvoltageforthewatervalveactuatoris24VAC,thecontrolsignalis0‐10V.Cablesbetweenvalve
motorandterminalsinthecabinetarenotdeliveredbySystemair.Standard
valvesareavailablefor2or3‐
wayconnection.
k.6.5DXcooling
ADX‐coolercanbeconnectedtothecontroller.Inputandoutputareavailablefor:
Startcooling–Alarmcooling–CoolingY3.CablesarenotdeliveredbySystemair
k.6.6Circulationpump,heating
Circulationpumpisnotincluded
inthedeliveryfromSystemair.Ifthepumphasnotbeenactivatedfor24
hours,thepumpisexercisedoncedailyfor1minutetokeepthepumpinagoodcondition.Cablesarenot
deliveredbySystemair.