Vaillant flexoTHERM VWF 5x Operating Instructions Manual

Contents

Vaillant flexoTHERM VWF 5x Operating Instructions Manual Manual pdf 9 page image

Product description 40020213396_00 flexoTHERM Operating instructions 94.2.7 Hot gas thermostat in therefrigeration circuitThe hot gas thermostat shuts down theheat pump if the temperature in the refri-geration circuit is too high. If the temperat-ure in the heat pump's refrigeration circuitexceeds the maximum temperature, thehot gas thermostat temporarily shuts downthe heat pump. Following a waiting period,another attempt is made to start the heatpump. After three failed start attempts insuccession, a fault message is displayed.– Max. refrigeration circuit temperature:130 ℃– 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 operation4.2.8 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 ℃4.3 Serial numberThe serial number is located on a plate be-hind the front flap. The 7th to 16th digits ofthe serial number form the article number.4.4 Product design123412341 Front flap2 Recessedhandle3 Control elements4 Plate showingthe serial num-ber4.5 Opening the front flap1. Take hold of the recessed handle inthe front flap on the left- or right-handside.2. Pull the recessed handle.