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Last seen: Apr 26, 2025
Just to close this. Finally had the installer back last week to fit an immersion thermostat with a higher rating. As expected, no more rapid s...
Rather than disconnecting the Evohome boiler relay, I've added a switch across the relay contacts. This way, I can either have it on continuously, or...
The reason why the pumps were stopping is because the heating was switching off. The Evohome controller starts "modulating" the BDR91 boiler relay a...
I'm struggling to understand the "logic" used by the FTC6 to run the compressor and pumps. Graphs from today, 8 degrees OAT, WC curve target is 40 d...
After a week of using AA mode, I've switched back to pure Weather Compensation mode. I had a couple of instances when the house started to get too c...
I left it in AA mode overnight, with the wireless remote set to a target temperature of 19.5, and with the Evohome TRVs limiting the temperature in mo...
Count me reassured . I'll switch back to WC mode, and remove the wireless remote if necessary. I'm reasonably confident that once I've rep...
I'm pretty sure that I am overthinking it. It's just that so many people say " low and slow, cycling is bad", etc. If by that, they actually mean "l...
There is a setting for "room temp control interval", but I'm not sure if this just applies in AA mode for reading the wireless sensor, or whether it a...
Just to clarify, the hallway is heated by a 600x1100 T21 radiator. It does leak a fair amount of heat up the stairs, and into the integral garage (o...
I don't think AA mode is going to work for me. The outside temperature dropped sharply overnight, from 8 degrees to 3 degrees in less than an ho...
Looks like I got it wrong. With it set to "Main RC", it seems to be using the temperature sensor in the wired controller, but the wired controller i...
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Degrees of Separation
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Whats more relevant is that a badly installed air/air s...
By EtchedPixels , 11 minutes ago
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RE: Help me keep the faith with my air source heat pump installation
I didn't know about those, they look like good pieces o...
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@mkz, that's very helpful. Even if Urban Plumber are no...
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
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My first question is why bother with the auto balancin...
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Hi @hanno - good question. The range of hybrid invert...
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
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I share the same experience as @majordennisbloodnok hav...
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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 , 7 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@jamespa many thanks, definitely i will give the pre...
By ragtime27 , 18 hours ago
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RE: Heat pump installation quotations
@jamespa I noticed that in the Heat Geek design consult...
By Batpred , 20 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
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RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Vaillant arotherm plus 12kW. Installed March 2025. Ex...
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