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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RE: If a heat pump can only heat DHW to 50C then what? Issue with 18KW Heliotherm heat pump
Hi, Nothing yet. I've asked customer to measure flow...
By errmm , 4 hours ago
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RE: High Temp Heat Pumps for fast warm-up of house
I don't know exactly how long it takes to heat up (and ...
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RE: Need help maximising COP of 3.5kW Valiant Aerotherm heat pump
OK. What Im seeing looks fairly normal TBH: 1 start ...
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RE: Vaillant Tech Support Flagged Low DT: UFH Return Cold, Suspected Zero Flow
@editor thanks for the tips which I will try before cal...
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RE: Daikin 6kw setup with Dixell controller
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RE: Exploring the role of alternative clean heating solutions - Government Consultation
Despite reservations, I found some time to respond to t...
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@agentgeorge Probably, but temperature change at -10 ha...
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RE: External wall insulation - your experience
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@foxesfan Re: ‘Servicing’ as @editor has covered in his...
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RE: Battery sizing - How low can you go!
It seems I am seeing something similar to what you do, ...
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RE: Gaslighting in the heat pump industry – has anyone else experienced this?
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RE: Bosch CS5800i 5kW - Experience So Far
@majordennisbloodnok While getting Home Assistant runni...
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RE: MCS - BS EN 12831-1:2017 – Heat Loss Survey
Since May 2025 it no longer a requirement in England to...
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handel @jancold Manufacturer: Daikin Model: E...
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
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RE: Hoped for improvements not being realised on my Mitsubishi heat pump
I have been wondering that myself. The fact is that, ...
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RE: Filtering Tap Water – Share Your Setup for Cleaner, Better-Tasting Water
I remember when I was in my early 20s I was introduced ...
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RE: Setback savings - fact or fiction?
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