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Last seen: Aug 16, 2026
My Vaillant definitely has a 'Max outside temp for heating' parameter. What it doesn't have, unfortunately, is a 'Max solar irradiance for heating' ...
Good to hear this, sensible to set the WL2 curve the same as WL1 for now also, avoids any ambiguity. Sun and south facing windows can be a mixed bag....
Obviously without knowing how it is set up its impossible to comment on this. It seems your installer left it with settings that didn't work for you....
Sorry but without more complete information its impossible to tell what is going on. Screen shots of the controller when its operating (making sure a...
Maybe. The alternative behaviour is that, above 10 outside, it keeps the flow temperature at the value for 10. Not sure which the Samsung odes. Se...
There is something odd going on. It says water outlet 34 yet if it is running on WL1 with the parameters you showed us earlier it should never get to...
I didn't realise that Samsung even had customer support. In my 'discovery phase' I asked them several questions and got precisely zero replies. Even...
OK, quite small, well insulated. In terms of setting up the heat pump at present solar gain is your enemy. A few more questions, if you are able ...
Assuming your system is running on water law only the indoor temperature registered by the controller doesn't matter. It goes solely (in this mode) a...
The answer to the first question will (hopefully) be because its cold outside and the heat pump is (effectively) preparing for the effect of the cold ...
This is where the control philosophy adopted by Vaillant (and some others, mainly European) wins. They give you a 'room temperature' adjustment, but ...
Yes there is, provided the buffer is tall and well designed so there is stratification (forget 50l buffers so commonly fitted) With one of these you...
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