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Kev M
@kev-m
Member
Famed Member
Joined: Mar 5, 2021
Last seen: Jan 8, 2025
Topics: 10 / Replies: 1266
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RE: Air source heat pump performance

Right, it's done. I went a bit lower than I was going to. 45C water flow temp. @ -3C outside air temperature. 20C water flow temp. @ 18C ou...

4 years ago
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RE: Air source heat pump performance

@morgan, I just used this to set mine. It tells you how to set the baseline and move up and down.

4 years ago
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RE: Air source heat pump performance

@morgan, the screen with the big graph and numbers is where you define the baseline graph. Yours is currently a 50-30 shape. This defines what outsid...

4 years ago
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RE: Air source heat pump performance

@morgan, probably best listening to @heacol re compensation curve. I was close, but not quite right.

4 years ago
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RE: Air source heat pump performance

@morgan, it refers to the weather compensation curve. It means a flow temp of 25 at 20 degrees ambient (outside) temp and 45 at zero. It you look ...

4 years ago
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RE: Air source heat pump performance

@heacol, @derek-m Thanks Brendan and Derek. You're confirming what I already suspected. As soon as I started looking at the MMSP data a month ago...

4 years ago
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RE: Air source heat pump performance

My turn now so be gentle! As suggested, I'm posting my system details here for comments; especially from @derek-m and @heacol Brendan. Hopefully i...

4 years ago
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RE: ASHP in Hampshire

@batalto, not sure I understand. Are you using degrees Celcius? I see what you're trying to do but what happens when ambient temp gets to, or close t...

4 years ago
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RE: Grant Air Source Heat pump (Aerona 13Kw)

@jane, an interesting experience. I'm now leaning towards having the heating on the same all the time too. I've yet to experience a winter as we got o...

4 years ago
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RE: Air source heat pump performance

One will be an expansion vessel for the cylinder. This is mine; the only one I have.

4 years ago
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