IC200CXEVO
usermanual
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9.5Antilegionellafunction(optional)
Thecontrollermanagesaweeklyantilegionellacyclewiththeuseofonlyelectricheatersoutsidethe
unit;thecompressorswillremainswitchedoffduringthecycle.
TheantilegionellafunctioncanbeactivatedbysettingparameterFS12=1,andsettingthedayof
activation(parameterFS18)andthestarttime(parameterFS17).
Todisablethefunction,setparameterFS12=0.
ThefunctionisactivewithmachineON.Iftheantilegionellacyclerequestoccurswhilethemachine
isoff,whenitisnextswitchedon,thecontrollerwillwaituntilthenextweeklyrequesttimeto
immediatelyactivatetheantilegionellacycle.
ThefunctionmustremainactivefortheminimumtimesetonparameterFS19(activefromwhenthe
domestichotwatertemperaturereachestheantilegionellasetpoint)andcanlastforamaximum
timeofFS29minutes(themaximumoperatingtimehaspriorityovertheminimumoperatingtime;if
themaximumtimeexpiresbeforetheminimumtime,thefunctionwillbeexited).
Whentheantilegionellacyclestarts,alltheheaterswillbeswitchedontobringthewatertoset
point;oncethesetpointhasbeenmet,theheatersareswitchedoffonreachingsetpoint
FS14+FS20.
TheantilegionellacycleisactivefortheminimumtimeFS19;duringthistime,theheatersregulate
ontheantilegionellasetpointFS14andwithcontrolbandFS04.
Iftheclockhasanerror,thefunctionisdisabled.
Oncethisprocedurehasbeencompleted,thecontrollerwillgobackindomestichotwater
productionmodeornormalthermoregulationmode.
Duringthisprocedure,thelowerdisplaywillindicate
the"LEG"label.