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: No-code, plug-and-play monitoring for your heat pump
By Grantmethestrength , 18 hours ago
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@eliuccio good to hear you’re happy with the install. A...
By Mars , 1 day ago
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RE: Is this just haze or something more?
I am not a scientist nor a meteorologist and I know the...
By Toodles , 2 days ago
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RE: Benefits of an extra horizontal loop for GSHP
It will improve performance, but by how much depends on...
By Brendon Uys , 2 days ago
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RE: The good, the bad and the not that great – my heat pump installation
Said I would pop back with a update. Only Mr Jesus h...
By Burtis , 3 days ago
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RE: Buffers, hot water and cooling
Thats presumably heat pump DT, what about radiator DT a...
By JamesPa , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Exactly the same here. We now have 13.5kWh ...
By Old_Scientist , 3 days ago
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Compressor and Evaporator Stratification
I have had a few issues with my Hitachi spilt heatpump ...
By trebor12345 , 3 days ago
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RE: Wood burner with ASHP - direct air?
This depends on the size of your wood burner and size/t...
By Lucia , 4 days ago
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RE: Difficult positioning of air source heat pump
@rikiarn It's a not a buffer it's a volumiser which is ...
By Lucia , 4 days ago
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RE: Is your heat pump insured?
To make things clear, lots of insurance companies cover...
By Lucia , 4 days ago
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RE: Boxt Heat Pump Installation Experience
@adrian any updates since installation? How is it perfo...
By Ashfp , 4 days ago
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RE: Say hello and introduce yourself
Hi @seatonian - Yes, I know Seaton, and I have the Nat...
By Transparent , 5 days ago
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@seatonian got your email. Will connect you with a reco...
By Mars , 6 days ago
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@downfield and @toddles, this isn’t in the settings cur...
By Mars , 1 week ago
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RE: Homely launched for Grant Aerona ASHP control
I haven't bought the Aerona Smart Controller (£700!) bu...
By Prunus , 1 week ago
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RE: Antifreeze top up for my heat pump - is this a rip off?
For the record, Grant supply ethylene glycol for their ...
By Prunus , 1 week ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
@skyefarmer amazing. Well done!
By Mars , 1 week ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Ebac 5kw - Monobloc R32. Developed and made in UK - Mit...
By marcinwloch69@gmail.com , 1 week ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Just another thought - it might be worth thinking about...
By JamesPa , 1 week ago