https://community.viessmann.de/t5/Waermepumpe-Hybridsysteme/Heat-pump-starts-very-often/m-p/483346#M131517 <P>I have Vitocal 111-s 8kw heat pump and it starts on/off very often.&nbsp;</P><P>My house is two flore and 150 square meters with heating flore and radiotors in second flore.</P><P>When it is outside is around 6-10 it works around 15min and turns off then after 15min turns on and again work around 15min.</P><P>In curve temperature is set about 29 when outside is +6 and it is good inside.</P><P>What should I do about those turn on/off ?&nbsp;</P> Sun, 10 Nov 2024 10:31:33 GMT Vaidas 2024-11-10T10:31:33Z https://community.viessmann.de/t5/Waermepumpe-Hybridsysteme/Heat-pump-starts-very-often/m-p/483346#M131517 <P>I have Vitocal 111-s 8kw heat pump and it starts on/off very often.&nbsp;</P><P>My house is two flore and 150 square meters with heating flore and radiotors in second flore.</P><P>When it is outside is around 6-10 it works around 15min and turns off then after 15min turns on and again work around 15min.</P><P>In curve temperature is set about 29 when outside is +6 and it is good inside.</P><P>What should I do about those turn on/off ?&nbsp;</P> Sun, 10 Nov 2024 10:31:33 GMT https://community.viessmann.de/t5/Waermepumpe-Hybridsysteme/Heat-pump-starts-very-often/m-p/483346#M131517 Vaidas 2024-11-10T10:31:33Z https://community.viessmann.de/t5/Waermepumpe-Hybridsysteme/Heat-pump-starts-very-often/m-p/484356#M131870 <P>Hello Vaidas,&nbsp;</P> <P>&nbsp;</P> <P>do you know which software version is currently installed? You can query it via the service level and the recognized devices menu item. Otherwise, unfortunately I cannot access your system because it is not in Germany.</P> <P>&nbsp;</P> <P>Best regards<BR />Flo</P> Tue, 12 Nov 2024 10:11:09 GMT https://community.viessmann.de/t5/Waermepumpe-Hybridsysteme/Heat-pump-starts-very-often/m-p/484356#M131870 Flo_Schneider 2024-11-12T10:11:09Z