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Last seen: Oct 25, 2026
Re the chart that I posted. Could someone comment as to why the subsequent defrost cycles do not perform as per the the first at 3.30pm?
Just to add. As the system is not that common I have been unable to find anyone local who knows anything about the system or what I can do to fix it....
Re the chart. I should of added more info. The first part of the chart shows the performance during the day with one defrost occurring at 3:40pm....
The house only requires 14watts/m2. So at -2C I only require 2.7kwh. The HP is a 7kw machine. (forgive me if have some of the annotations incorrect)...
The Thermal Off is where the temperature into the heat exchanger is too high and it shuts down because the water is too warm. Others would call this ...
Thank you. That's an excellent find. As you can probably see I know nothing about the mechanics of how HP work. Looking at the diagram how many diff...
Thank you this is very helpful. There is a lot to take in. I have the heating on today and have been doing videos of the Live View. The funny thin...
File received thank you.
I have tried the DT mode and it does seem to be better with this setting. The Gundfros UPM3 is current in constant pressure setting 3 (max). When t...
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