Last seen: Apr 2, 2025
@sjn Okay so it was a software issue. It appears my energy use is going up, but my energy generation is staying about the same according to the number...
@bontwoody The thing is I have been using it for only DHW for a month or two, i was getting higher cop just on the hot water, so it can’t be that I’ve...
@iancalderbank Ah okay, thats interesting. I have to say deciphering the user manual and FSV values is one of the most difficult parts of owning a sam...
@bontwoody @iancalderbank Thanks for the advice. Looks like Ill try and get a firmware update before removing the LLH, although that could be tricky. ...
If the HP can't modulate below flow temp of 45 degrees and I'm aiming for flow temps of 35, is there much point in swapping out for a different pump?
@hughf The pump dosen't have a pwm line as its an Auto model
@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.
Latest Posts
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It is taken from the website MEL Pump App
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That’s interesting, but obviously concerning also…. Do ...
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RE: In the middle of an ASHP installation - a few questions (and issues)
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RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's
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RE: Career change – entering the world of heating and heat pumps
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@editor thanks Mars, it's a rare occasion I'm looking f...
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RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW
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Win one of five "Heat Pumps 101" Courses
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RE: Agile: average import cost vs other tariffs?
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RE: Is this normal? Click of the DHW returning to space heating
@grantmethestrength Oh sorry to hear that, there should...
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