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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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Degrees of Separation
Latest Posts
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
@jamespa yes it was costing them a lot to run in the la...
By StuChi , 41 minutes ago
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RE: Siting of the external sensor on a heatpump
@bobflux My Daikin ASHP is SSW facing and the wall behi...
By Toodles , 1 hour ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
You should (almost) always reject having a buffer, by w...
By JamesPa , 23 hours ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 1 day ago
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RE: Is it the house or the equipment?
@majordennisbloodnok I do sympathise. On the original...
By springswood , 1 day ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 1 day ago
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Sorry to hear about the problems, its going to be somet...
By JamesPa , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 3 days ago
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
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@batpred thanks for getting a copy. Appreciate the supp...
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