https://community.viessmann.de/t5/Waermepumpe-Hybridsysteme/Electrical-draw-spikes-with-a-Vitocaldens-222-F/m-p/289412#M59957 <P><BR />This is my situation with a Vitocaldens 222-F + HAWB-M 222.A29</P><P>Is there a way to avoid electrical draw spikes?<BR />Is there a way to modulate the power of the heat pump, preventing it from turning on and off continuously and preventing it from wearing out?<BR /><BR />Room temperature 19°<BR />Outside temperature 4°<BR />Boiler flow temperature 34°</P> Sun, 11 Dec 2022 18:31:23 GMT jjjohn 2022-12-11T18:31:23Z https://community.viessmann.de/t5/Waermepumpe-Hybridsysteme/Electrical-draw-spikes-with-a-Vitocaldens-222-F/m-p/289412#M59957 <P><BR />This is my situation with a Vitocaldens 222-F + HAWB-M 222.A29</P><P>Is there a way to avoid electrical draw spikes?<BR />Is there a way to modulate the power of the heat pump, preventing it from turning on and off continuously and preventing it from wearing out?<BR /><BR />Room temperature 19°<BR />Outside temperature 4°<BR />Boiler flow temperature 34°</P> Sun, 11 Dec 2022 18:31:23 GMT https://community.viessmann.de/t5/Waermepumpe-Hybridsysteme/Electrical-draw-spikes-with-a-Vitocaldens-222-F/m-p/289412#M59957 jjjohn 2022-12-11T18:31:23Z https://community.viessmann.de/t5/Waermepumpe-Hybridsysteme/Electrical-draw-spikes-with-a-Vitocaldens-222-F/m-p/289436#M59961 <P>I'm guessing you have a heating water buffer tank? Connected as a hydraulic separator?</P><P>If so, then the behavior is normal.</P><P>The only way to improve the situation is to lower the heating curve and, if necessary, hydraulically adjust the heating system to optimize the flow.</P> Sun, 11 Dec 2022 19:14:20 GMT https://community.viessmann.de/t5/Waermepumpe-Hybridsysteme/Electrical-draw-spikes-with-a-Vitocaldens-222-F/m-p/289436#M59961 Masterb2k 2022-12-11T19:14:20Z