Last seen: Feb 4, 2025
I don’t think it is a specific legal requirement- other than to be safe. And there is a risk. My point is to take a more balanced view of risks. See...
R290 could be a HP show stopper for me. Seems to me we need some acceptable risk mitigations in some circumstances, other than just moving the unit fu...
Thank you. PfB is one of my go-to guys but I hadn’t seen that. My situation is quite similar to the one described: visual intrusion and noise limits a...
Follow-up: it occurs to me that the difference between flow and return temperatures is potentially a good indicator of whether you have enough radiato...
Interesting, thank you. The marine diesel analogy was on my mind. At the other end is a F1 engine needing to be rebuilt after every race. You would th...
Thank you. I definitely plan a full flush. The pipework is 40 years old, but we have been here since 1988 and never had problems eg with balancing or ...
@judith that method is great isn’t it! Except I have about 6 different consumption based estimates using that approach going back to 2016. And two spo...
Thank you, my hunch is it is just old school plumbing as you suggest. The logic of a backup/auxiliary is that it is additional when required- not a ta...
@johnr thanks, great minds etc. if the backup ends up being used too much, by fallback is to add an air to air with three internal units in the key ro...
@jamespa also: I assume the fan radiator has a lower water volume? We are looking at a simple one zone, no TRVs, no buffer/volumiser system, so need e...
thanks both. I think that calculation gives a lower heat output by about 20% than the HG rule of thumb table I linked above. As he is the one guarante...
Latest Posts
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RE: Commencing on an ASHP Installation Process
Fair play for giving this a go, and please do report ba...
By benson , 24 minutes ago
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RE: LiFePO4 lithium battery fires and explosions
Yes, more than an adjustment... This is the only comb...
By Batpred , 8 hours ago
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RE: Poll for Time of Use, tariffs, technology
@old_scientist Interesting point, but I suspect that's ...
By Sheriff Fatman , 9 hours ago
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RE: Different dT on each radiator?
I cant sorry. Its based on some calculations I did fro...
By JamesPa , 11 hours ago
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RE: Setback savings - fact or fiction?
Maybe this: or maybe that the effect you are seein...
By JamesPa , 12 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@simonf thats interesting as I’ve noticed my flow and r...
By AdamK , 20 hours ago
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RE: MELcloud scheduling misbehaviour
No, it gets to set temperature easily even during perio...
By Abernyte , 21 hours ago
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RE: Free Ecoheat Heat Pump Install
Sorry hit 'add reply' too early, this forum layout will...
By Deltona , 22 hours ago
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And arguably even more important, sodium will be hopefu...
By Batpred , 1 day ago
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RE: A Smarter Smart Controller from Homely?
I've been thinking of emailing Homely to ask for a few ...
By JohnnyB , 2 days ago
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Max output of Heat pump (Daikin 4Kw EDLA04)
Hello, I am a bit puzzled that according to pcdb tes...
By GeorgeA , 2 days ago
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In that case, @technogeek, I’d sign up for the free sol...
By Majordennisbloodnok , 2 days ago
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RE: Has Anyone Else Noticed a Decline in Tradesmanship?
@cathoderay Hence my rider about ‘all else being equal’...
By Toodles , 2 days ago
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RE: Heat Pump Performance Analysis Web App using Modbus Data
@redzer_irl — all my heat pump data is in csv files, me...
By cathodeRay , 2 days ago
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That’s not a problem. If you can hit the main landing p...
By Majordennisbloodnok , 2 days ago
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RE: Configuration issues with 10kW Midea R32 heat pump
@benson I believe there are quite a few of these instal...
By Toodles , 2 days ago
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RE: 10kw heat pump run in 24*7 data?
I would say you most likely do need 10kW. My gas consu...
By JamesPa , 2 days ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@thundermink I managed to find the fault. I did it a lo...
By meehow , 2 days ago
