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3. Safety notes
Installation, initial operation and maintenance of this appliance must only be conducted by an
authorised professional, who will then be responsible for adherence to applicable standards
and installation regulations. We assume no liability for any damages caused by failure to
observe these instructions. Do not use the appliance until it has been correctly installed and
unless it is in perfect working order.
• The appliance is only suitable for domestic use and similar applications inside closed, frost-free rooms,
andmustonlybeusedtoheatincomingwaterfrommainssupply.
• Theappliancemustneverbeexposedtofrost.
• Theappliancemustbeearthedatalltimes.
• Theminimalspecificwaterresistancemustnotfallbelowthevaluestatedonthelabel.
• Themaximumwaterpressuremustnotexceedthevalueonthelabel.
• Beforecommissioningforthefirsttimeandeachtimetheapplianceisemptied(e.g.duetoworkonthe
plumbing system, if there is a risk of freezing or in case of maintenance), the appliance must be vented
correctlyinaccordancewiththeinstructionsinthismanual.
• Do not remove the front cover under any circumstances before switching off the mains electrical supply
totheunit.
• Nevermaketechnicalmodifications,eithertotheapplianceitselfortheelectricalleadsandwaterpipes.
• Payattentiontothefactthatwatertemperaturesinexcessofapprox.43°Careperceivedashot,espe-
ciallybychildren,andmaycauseafeelingofburning.Pleasenotethatthefittingsandtapsmaybevery
hotwhentheappliancehasbeeninuseforsometime.
• Waterinlettemperaturemustnotexceed30°C.
• Incaseofmalfunction,disconnectthefusesimmediately.Incaseofleaks,cutoffthecoldwatersupply
instantly.Repairsmustonlybecarriedoutbythecustomerservicedepartmentoranauthorisedprofes-
sional.
• This appliance must not be used by any person (including children) with limited physical, sensorial or
mental abilities or failing experience and/or knowledge unless they are supervised by a person respon-
siblefortheirsafetyorreceivedinstructionsabouthowtousetheappliance.Childrenshouldbesuper-
visedinordertomakesurethattheydonotplaywiththeappliance.
This small instantaneous water heater is intended for the economical heating of water for a single outlet
i.e.kitchensinkorwashbasinandisinstalledtogetherwithasanitarywaterfitting.Whenthehot-water
valve is opened, the heater switches itself on automatically when the minimum water flow rate is exceed-
edandheatsthewaterasitpassesthroughtheappliance.
Theheaterissetinthefactorytoanoutlettemperatureof45°C.Whenthistemperatureisreached,the
electronic regulator reduces the power in order to ensure that the outlet temperature does not exceed
thisvalue.Thankstothisautomatictemperatureregulation,youonlyneedtoopenthewarm-watervalve
ofthefittinginordertowashyourhands.Ifthemaximumpossibleoutlettemperatureisnotreached,
slightlyreducetheflowofwater.Ifyoudesirealowertemperature,youcanaddcoldwater.
4. Intended use, operation