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Last seen: Dec 10, 2025
The Water Outlet temp on the controller screen will display the current flow temperature whether in space heating mode or during DHW heating, so durin...
The Legionella disinfection is done by the immersion heater, so normally it would not be responsible for the high flow temperature. When the heat pump...
@old_scientist I realise that the pump running 24/7 is now thought to be due to incorrect wiring and not the FSV settings. I just wanted to check that...
You may have a different model from me - mine is a Gen 6 12kW Samsung - but on mine there is no feedback from the controller on LWT when room temperat...
Running continuously will usually produce the best COP, but having setbacks where the pump is off for periods allowing the house to cool eg overnight ...
That seems odd and I have not seen or heard of that before. According to Midsummer Wholesale the Samsung controller is supposed to be a bit cleverer t...
HTC stands for Heat Transfer Coefficient - heat loss per C degree difference between IAT and OAT. It’s advantage is that it is independent of design t...
Delta T 20 implies that your desired room temperature would be 17.5C as the mean radiator temperature would be 37.5C at a flow temperature of 40C and ...
If you set it at 19C it will switch off at 19.9/20C and stay off until it drops to 18.9C. The 1C hysteresis cannot be changed. The alternative is to u...
@bontwoody Sorry for the lack of explanation. I was taking my comment from Glyn Hudson's recent observation on the OEM forum - "I found the onboard Sa...
@bontwoody I think the fact that your Samsung displays generated energy as less than OEM generated energy whereas mine is the reverse may just demonst...
@bontwoody That doesn't tally with my Samsung I'm afraid. For today, Samsung display's Generation/Usage = 3.05 compared to my Class 1 Electricity and ...
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There are just too many unknowns for me to comment on p...
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