Vaillant flexoTHERM exclusive VWF 87/4 Operating Instructions Manual

Also see for flexoTHERM exclusive VWF 117/4: Installation and maintenance instructions Nstallation and Maintenance Instructions Installation and maintenance instructions Operating instructions

Contents

Vaillant flexoTHERM exclusive VWF 87/4 Operating Instructions Manual Manual pdf 10 page image

5 Operating10 Operating instructions flexoTHERM exclusive 0020213396_02pump. After three failed start attempts insuccession, a fault message is displayed.– Max. refrigeration circuit temperature:135 ℃– Waiting period: 5 minutes (after the firstoccurrence)– Waiting period: 30 minutes(after the second and every further oc-currence)The fault counter is reset if both of thefollowing conditions are met:– Heat requirement without switching offprematurely– 60 minutes of uninterrupted operation4.6.8 Safety cut-out (SCO) in theheating circuitIf the temperature in the heating circuit ofthe internal auxiliary electric heating ex-ceeds the maximum temperature, the SCOshuts down the auxiliary electric heating asa securing measure. Following a waitingperiod, another attempt is made to startthe auxiliary electric heating. A fault mes-sage is displayed that can only be reset bypressing the Reset button or by switchingthe heat pump off and on again.– Max. heating circuit temperature: 85 ℃5 Operating5.1 Basic display50 dkWhSym-bolMeaning ExplanationCompressor – Filled: Com-pressor in op-eration– Not filled:Compressornot inoperationbarCurrent fillingpressure of theheating systemThe dashed linesshow the permit-ted range.– Permanentlyon: Fillingpressure inthe permittedrange.– Flashing:Filling pres-sure outsidethe permittedrange.Pumps – Left continu-ously on: Brinepump in oper-ation– Right con-tinuously on:Heating pumpin operationAuxiliary electricheating– Flashing: Aux-iliary electricheating in op-eration– + : Aux-iliary electricheating act-ive for heatingmode– + : Aux-iliary electricheating activefor hot waterhandling modeGreen iQ mode – Productequipped withenergy-savingtechnologyHeating mode – Continuouslyon: Heatingmode active