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Last seen: Jan 7, 2026
@bontwoody @heacol I'm not sure my system supports modulation either way. My pumps are UMP3 AUTO, with flow rate setting buttons on them, both curr...
@editor Yes so the pipe work from the HP that runs externally to the loft is copper, then the pipe work runs length of loft to the other end where the...
@editor Thanks for that. I managed to get the reference document at this link provided by @iancalderbank quite a few useful docs there.
@iancalderbank Thansk Ian, that document is useful. I figured out my system, after a good 40 mins in the loaf working out what everything does. I h...
Things have got worse 🤔 I have removed the Hive thermostat, unwired it from the control unit, and changed FSV 2091 and 2091 to 0, as it say...
@ianmk13 Yeah I wondering about that, I think its just calling on or off for the heat, then the weather compensation on the unit is adjusting the outp...
@iancalderbank Thanks thats really helpful. I've shifted control to the Hive stat in my living/dining room by setting 2091 to 1, I will keep an eye ...
The required volume of water in the system is more to do with the defrost cycle, and has little effect on mild weather cycling. Please read the post I...
@editor Yeah if you can get the refference guide that would be great. One of the main issues I have with a samsung system, is the absolutly awful docu...
So an update to this issue, I reinstalled the Hive and went back to my old method, had the hive room temp set for 28, but I added water Law compensati...
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Degrees of Separation
Latest Posts
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Why do you want to maintain a specific deltaT? The out...
By JamesPa , 8 minutes ago
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RE: Heat pump installation quotations
@batpred Excellent, thank you very much!
By sttpd1917 , 38 minutes ago
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Hopefully this will answer your question. To...
By ASHP-BOBBA , 39 minutes 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 , 48 minutes ago
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Harvest Thermal - ASHP with a smart thermal battery
I thought people here might find this interesting, even...
By springswood , 2 hours ago
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Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 3 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 , 3 hours ago
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@mkz, that's very helpful. Even if Urban Plumber are no...
By Majordennisbloodnok , 6 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 , 7 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 , 7 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...
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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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