
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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Latest Posts
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@eliuccio good to hear you’re happy with the install. A...
By Mars , 2 hours ago
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RE: No-code, plug-and-play monitoring for your heat pump
The issue with the Grant is that you have to wire direc...
By Grantmethestrength , 17 hours ago
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RE: Is this just haze or something more?
I am not a scientist nor a meteorologist and I know the...
By Toodles , 17 hours ago
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RE: Benefits of an extra horizontal loop for GSHP
It will improve performance, but by how much depends on...
By Brendon Uys , 22 hours ago
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RE: The good, the bad and the not that great – my heat pump installation
Said I would pop back with a update. Only Mr Jesus h...
By Burtis , 1 day ago
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RE: Buffers, hot water and cooling
Thats presumably heat pump DT, what about radiator DT a...
By JamesPa , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Exactly the same here. We now have 13.5kWh ...
By Old_Scientist , 2 days ago
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Compressor and Evaporator Stratification
I have had a few issues with my Hitachi spilt heatpump ...
By trebor12345 , 2 days ago
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RE: Wood burner with ASHP - direct air?
This depends on the size of your wood burner and size/t...
By Lucia , 3 days ago
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RE: Difficult positioning of air source heat pump
@rikiarn It's a not a buffer it's a volumiser which is ...
By Lucia , 3 days ago
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RE: Is your heat pump insured?
To make things clear, lots of insurance companies cover...
By Lucia , 3 days ago
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RE: Boxt Heat Pump Installation Experience
@adrian any updates since installation? How is it perfo...
By Ashfp , 3 days ago
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RE: Say hello and introduce yourself
Hi @seatonian - Yes, I know Seaton, and I have the Nat...
By Transparent , 4 days ago
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@seatonian got your email. Will connect you with a reco...
By Mars , 4 days ago
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@downfield and @toddles, this isn’t in the settings cur...
By Mars , 7 days ago
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RE: Homely launched for Grant Aerona ASHP control
I haven't bought the Aerona Smart Controller (£700!) bu...
By Prunus , 7 days ago
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RE: Antifreeze top up for my heat pump - is this a rip off?
For the record, Grant supply ethylene glycol for their ...
By Prunus , 7 days ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
@skyefarmer amazing. Well done!
By Mars , 7 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Ebac 5kw - Monobloc R32. Developed and made in UK - Mit...
By marcinwloch69@gmail.com , 1 week ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Just another thought - it might be worth thinking about...
By JamesPa , 1 week ago