Last seen: Sep 6, 2025
I agree, but is that by design or by accident? There is also some evidence of overshoot at the end, not beginning, of the cycles in the chart I posted...
@jamespa - agreed. But never one to sit still, I have been thinking about another possible cause for the low OAT deficit, which does involve, indeed i...
@jamespa - all agreed, even most of the part in the middle about the PWM cable connection/disconnection test, with the minor difference that while the...
I don't think we are far apart, what differences there are are down to semantics and writing styles. I note you tend to use explicit often bracketed c...
To I hope clear up some points: I can say what I like (within the usual limits) but equally I am open to refutation! This is actually a woolly bi...
Perhaps the most interesting period in the chart is not when the heat pump is misbehaving, but when it is behaving, ie running at steady state, eg be...
Thanks. In reply: The flow temps are high by design. The rads (all rads, no UFH) are as large as can be (and are are all bar two K3s) but the height...
Part 4: Software Installation - OS (operating system) and Home Assistant Disclaimer(and this is entirely my fault): because I did my own install...
Great, and good luck! Do take your time, the old think three times, measure twice and cut once routines. If you have any questions, don't hesitate to ...
Latest Posts
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RE: Failing heat pump system - seeking thoughts on a rebuild
@jamespa I think that's a good interim solution James. ...
By bontwoody , 1 hour ago
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RE: Electricity price predictions
Community energy installations are a great idea, but th...
By Scalextrix , 5 hours ago
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
I have signed up as well. @belsnugg could you outline ...
By JamesPa , 13 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Ooh, heat pumps in neon blue wrap 🤣 🤣 &...
By Old_Scientist , 13 hours ago
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@profzarkov Good to know in case it ever happens to me...
By bontwoody , 1 day ago
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RE: Are Octopuses Slowing Consumer Adoption of Heat Pumps?
I mean, is this surprising? The local installers in my ...
By Alex , 1 day ago
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@old_scientist sorry, I should have made it clear that ...
By GrahamF , 1 day ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@thundermink can you provide photos to illustrate your ...
By Morgan , 1 day ago
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RE: Boiling Mad: Exposing Radiatorgate
Hi @Rob, I’d be more than happy to contribute. I have ...
By DREI , 1 day ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@andris a great year - very happy with our system
By Profzarkov , 1 day ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
After our rather lengthy meander off piste, I thought I...
By GrahamF , 2 days ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump - to collect the IAT/OAT data, can I sugges...
By cathodeRay , 2 days ago
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RE: Ecodan software update. Real or scam?
@vinz86 Contact Mitsubishi and an engineer attends and ...
By ASHP-BOBBA , 2 days ago
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@drei When I was in local government we were of cours...
By JamesPa , 2 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
Sufficient system volume is also essential for ensuring...
By Old_Scientist , 3 days ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
As someone who has suffered from a Heat Pump installati...
By DREI , 3 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
I’ve also got a dual fuel Rangemaster. We originally ha...
By Majordennisbloodnok , 3 days ago
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RE: Octopus tariffs - a quick comparison
@tim441 I’d agree wholeheartedly with that, with 2 x Po...
By Toodles , 3 days ago
