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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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RE: Can anyone explain the following behaviour with a Grant Aerona 3 R30 / Smart Controller?
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RE: Forum updates, announcements & issues
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RE: Who do I complain to about a poor ECO4 installation, can anyone advise?
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RE: Selling 2 x Kensa Shoebox 7kw GSHP (New)
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No buffer or low loss header Grant controller in sens...
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RE: Are We Sleepwalking Into Another Race to the Bottom?
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RE: Anyone concerned about GivEnergy?
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RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt
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RE: IVT greenline HT Plus E - Circulation Pump Constantly On
Welcome to the forums. Irrespective of which brand yo...
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RE: 7.5kW Heat Loss, But Quoted a 10kW Midea. No Re-Pipe, No Buffer Tank. Does This Add Up?
Oh, how I love these old scientists!I'm in with your 5 ...
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RE: Jokes and fun posts about heat pumps and renewables
@jamespa Someone who is not easily phased I suppose.
By Toodles , 2 days ago
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@downfield Once OE had removed our gas meter and capped...
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Living with a Low Loss Header (Or Measure For Measure, it’s All About the Pump)
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RE: What is the main ‘dictator’ of Agile’s unit price?
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@judith, glad you found the story interesting. On eff...
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
The vaillant controller and app do all of that (and mor...
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