7.4Airowsettings
Theairowcanbesetbyeitherl/s,m
3
/horapercentage.
•IfAirflowSystemcurveischosen,thesettingswillbeinl/s,m
3
/handsystemcurvesareselected.
•IfAirflow%ischosen,thesettingswillbeinpercentage.Systemcurvesarenotselectable.
Theairowmaybeadjustedinvesteps;off,low,nominal,highandauto.Thesesettingscontrolthe
outputsignalstothesupply-andextractfans.Thefactorysettingoneachspeedstepsare:
•Off
•Low:26l/sor25%.
•Nom:44l/sor50%(atapproximately80Pa).
•High:67l/sor100%.
•Auto:InAutomodethefansregulatesinaccordancewiththepre-settingsforthedemandcontrol.
Theselevelsarepossibletochangeintheservicelevel.Seeservicemenuoverview(chapter9.5)under
functions.
Warning
Itisnotrecommendedtoactivatemanualfanstop(setfantoOFF)instandardhouseholds.Ifmanual
fanstopisactivated,theunitshouldbeprovidedwithdampersinexhaustandfreshairductstoavoid
colddraughtandriskofcondensationwhentheunithasbeenstopped.
ThefancanbesettoOFFbyactivatingmanualfanstop.Seeservicemenuoverview(chapter9.5)
underfunctions.
7.4.1Settingtheairow
1.GototheservicemenubyusingtheSELECTIONknob
2.Entertheservicelevelbytypingthepassword,default1111.
UsetheSELECTIONknobforeachdigitandconrmwiththe
ENTERbuttonaftereachsetdigitandchoose"NO"forthesystem
notbelocked.
Password
PasswordXXXX
LockedYES/NO
3.Goto:Functions
Choose:Fancontrol
Functions
—>Fancontrol
4.TurntheSELECTIONknobtoselectthetypeoffancontrolyou
prefer,Systemcurve(l/s)orpercentage(%)andpressENTER.
FancontrolbyAirflow%,seestep7.
Fancontrol
Systemcurve
%
5.FancontrolbyAirflowl/s.
Whensettingsaredone,pressENTER.
ChooseSystemcurve.
Fancontrol
Airflow
Systemcurve
SF:4EF:4
Airflow
l/s
EF
SF
Nom
4444
High6767
6.PressRETURNoncethesystemcurveshasbeensetandgoto
Airflowl/sorm
3
/h.
Whensettingsaredone,pressENTER.
Low
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