8.2Manualsettingoffanspeed
Itispossible,atanytime,tomanuallysetthefanspeedinthemainmenudisplay.Bychoosingthefan
symbolandconrmingitispossibletoincreaseordecreasethefanspeedinthe4steps:Off,Low,
NomandHigh.
Bydoingso,youoverridetheprogrammedweekschedulefortheunituntiltheendofthepresenttime
periodintheweekprogram(chapter6.6).
Warning
ThefancanbesettoOFFbyactivatingmanualfanstop.Seeservicemenuoverview(chapter8.5)
underfunctions.
8.3Manualandautomaticsummermode
Manualsummermodeoccursifnotemperaturestepisselected.Thetemperaturesymbolonthemain
menuisthencompletelyempty.
Iftheelectricalre-heaterisactivated,itwillswitchoffduringmanualsummermode.Manualsummer
modegoesautomaticallytostep1(setpoint12°C)aftertwominutesifthesupplyairtemperatureis
+5°Corbelow.
Ifawaterheaterbatteryisinstalledandactivated,themanualsummermodegoesautomaticallytostep1
(setpoint12°C)iftheoutdoorairorsupplyairtemperatureis+5°Corbelow.
Theunitwillautomaticallyalternatebetweenwinteroperationwithheatrecoveryandsummeroperation
withoutheatrecovery.
8.4Coolrecovery
Iftheoutdoorairiswarmerthantheextractairandthesupplyairisabovethesetpoint,coolrecovery
occurs.Thisconditionblockstheheatregulationprocess.
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