Last seen: Sep 5, 2025
OK I did some very crude energy balance calculations attached. I had to make lots of assumptions, some of which matter to the outcome, many of which ...
@jeegnesh Thanks. One last question then I'll do some back of the envelope calculations tomorrow. Please confirm what times of day you are r...
I dont know, unless water is circulating in the UFH much faster than its coming out of the heat pump so basically its going round and round the UFH be...
@iraknic the buffer tank or pipe losses. It sounds like a classic case of excess mixing in the tank. That said not sure how accurate the or guns are...
@jeegnesh wow . exactly which rooms are too cold if you run at the 'downstairs' flow temperature.
The Vaillant WC interface is actually much more user friendly than most. You can do it without your installer (which doesnt excuse him not helping). ...
I was saying The latter not the former - pick a heat curve suited for upstairs, but see my final comment below before and please respond you do anythi...
Its a complex system, probably over complex to be sensible and certainly too complex to work out what might happen with any certainty if you change op...
You could be right. What do you know of the design/history of the heating system (not the heat pump, the emitter system). Its quite bizarre that the...
Agreed, Put another way it may sometimes be better to heat the house to a slightly higher temperature to avoid cycling. I can easily believe that is...
Im not surprised, two differnt heat curves will likely confuse it. I have only 1 and have turned off all autoadaption or room temp compensation and e...
Latest Posts
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