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Last seen: Nov 10, 2026
Agree with @mars. There is also a diagram in the Vaillant installation manual. Careful with condensate - it freezes so you really don't want it runn...
I'm surprised by this. Is it 2 port or 4 port?
My fridge and freezer seems to do at least one per hour, 8000 per year. Just saying!
Just checked mine. 543 starts from mid November to now. So, generously, 1000 per year unless I use if for cooling in summer. 20 years seems a reaso...
@judith Thanks, Ill give it a go. Given the tight hysteresis do you turn up the target temperature a bit to ensure it switches back on early enough ...
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...
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Degrees of Separation
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