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Last seen: Apr 26, 2025
Yes, I meant dT25 as flow temp of 45, room temp of 20 degrees. I appreciate that I've been trying to run at a lower flow temp than that, it was just t...
It's the PUZ-WM60, R32 model. I have 10 radiators. I did add up all the radiators, corrected for deltaT 25, and it was very close to the desig...
OK, removing all the smart TRVs, opening the wheels fully, opening all the lockshields, and making sure the Evohome controller stays on all the time h...
That does seem to fit with what is happening - the peak flow temp gets to one and a bit degrees above what I'd expect it to from looking at the WC gra...
LLH is something the make up themselves apparently. Basically a length of 32mm copper, about a metre long. I make that about 0.8 litre? Both pum...
First pic is the power pulled by the ASHP, pumps, valves, and controller. Second shows the temps using "bullet) sensors wedged onto the pipework und...
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Latest Posts
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After an intense recode, I’m pleased to announce that w...
By Mars , 7 minutes ago
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RE: Heat pump installation quotations
@batpred, @sttpd1917 I agree with what @batpred says...
By JamesPa , 7 minutes ago
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RE: Harvest Thermal - ASHP with a smart thermal battery
As its using ToU tarrifs then its totally believable so...
By JamesPa , 1 hour ago
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Why do you want to maintain a specific deltaT? The out...
By JamesPa , 2 hours ago
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Hopefully this will answer your question. To...
By ASHP-BOBBA , 2 hours ago
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RE: Help me keep the faith with my air source heat pump installation
I would be interested to find out if others do this and...
By ASHP-BOBBA , 2 hours ago
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Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 4 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@ragtime27 some rooms in our house only have one place ...
By Judith , 4 hours ago
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 9 hours ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 9 hours ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 13 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
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