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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Jul 23, 2025
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Topics: 16 / Replies: 2632
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW

I had a very similar problem with my valiant and it turned out to be a blocked filter. Unbeknown to me I have a very fine filter in addition to the m...

3 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan consuming 100kwh per day in new build!!!

@anca1808 I have just reviewed the whole thread. In summary it seems you have several issues (undersized rads, inadequate insulation) which have b...

3 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Heating coming on when not required

I played with a max heating temp but there is a world of difference between what you want it to do on a cool day in shoulder season and what you want ...

3 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Pressure drop Primary circuit

I've always regarded topping up heating systems as my job not a plumbers. My gas system needed topping up about twice per year and no way was I going ...

3 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan consuming 100kwh per day in new build!!!

Hmm Before doing that I would want to be certain that there are no attendant liabilities related eg to planning permission or grants that the develo...

3 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Solar for heating DHW

If you are thinking of heating on the immersion consider a solar diverter which precisely matches load to available power. I had one until I got an a...

3 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi cycling while on chilled water output

I absolutely wouldn't remove the buffer altogether, I'd convert it to a volumiser. My suggestion above was intended to convey that sorry for not bein...

3 weeks ago
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Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi cycling while on chilled water output

I have seen this discussion (not exactly this article) before and the argument for a 3 port buffer over a 4 port buffer does indeed make sense to me. ...

3 weeks ago
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Air Source Heat Pumps (ASHPs)
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