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Last seen: May 29, 2025
@bontwoody Your Samsung Gen 6 has interesting behaviour which is different to the stereotypical belief. It boosts output at the beginning of the cycle...
@bontwoody Interesting. Thanks. This explains your steady DT control.
@bontwoody I understood that the Samsung Gen 6 does not have PWM pump control so your system is not a simple, straight-forward installation. You have ...
@bontwoody I have been looking at your graphs on emoncms. Could you explain how you are controlling the water pump? It seems to be running at a consta...
@heacol OK, so you are arguing that TO MAINTAIN AVERAGE TEMPERATURE of the radiator, the flow temperature can be reduced with reduced DT. That figures...
@heacol To clarify, by flow temperature I mean the temperature of water leaving the HP, not the average flow temperature determined by the DT.
@heacol Sorry, screwed this up. Misread your response. Reducing DT will require an INCREASE in flow, not temperature. A fixed flow temperature will in...
Sorry, but you have lost me here. Reducing DT requires a reduction in flow, not temperature surely. Assuming a fixed flow temperature, increase in DT ...
@dak51 I also would be very interested in your experience. I have read your initial posts on the subject from 3 years ago. I have a self-built, well-i...
@eliuccio I did post to you before but the app seems to have swallowed my content and posted your user name only. The app AI software obviously did no...
@jamespa Further to the conclusion in my previous post, I must eat humble pie and apologise for trying to reconcile water flow DT with improvement in ...
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Latest Posts
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RE: Why are ASHP installs so expensive?
Thats very interesting, I am on a Local Authority group...
By JamesPa , 21 minutes ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 1 day ago
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 2 days ago
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RE: Missing flow temperature in Heat Geek proposal
The Heat geek contract had various get-out clauses with...
By Batpred , 2 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 2 days ago
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RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 2 days ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 2 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 2 days ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 3 days ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 4 days 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 , 5 days ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 6 days ago
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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...
By cathodeRay , 6 days ago



