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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Oct 13, 2026
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Topics: 18 / Replies: 3071
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RE: Midea ASHP – how to set weather compensation

@tasos — thanks for confirming you have a R290 unit. I'm pretty sure most if not all R32 units would be cycling in the condition on your chart. Also, ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea ASHP – how to set weather compensation

@jamespa — thanks, that is what I vaguely remembered, much clearer now.

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea ASHP – how to set weather compensation

@mk4 — all very interesting, especially the water pump stuff and the absence of cycling. I may be wrong, but I think 'almost everybody else's' mea...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Testing new controls/monitoring for Midea Clone ASHP

That is a very abnormal period, almost all defrosts (LWT below RWT) and two steady state runs (both afternoons, second one also has a DHW reheat). It ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Setback savings - fact or fiction?

Monty Python may have asked 'what have the Romans ever done for us?' but I agree, the Roman achievements are impressive but I suggest they got there e...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Knock on effective of balancing radiators

@bash — another thing to be aware of is that inadvertently over-doing the lock shield tightening can reach the point where the system becomes constric...

8 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: Our Experience installing a heat pump into a Grade 2 Listed stone house

The years between oil use and the heat pump (roughly 2019 to 2021) when I used standard mains electricity to heat only the room(s) I was in were like ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Our Experience installing a heat pump into a Grade 2 Listed stone house

@jamespa — one of the big problems with historical oil consumption is you probably only have scrappy records (if that) of past oil deliveries that may...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rate the quality of your heat pump design and installation

@woofers64 — I do agree the top two definitions and their distinction could be clarified and that is why I said I am sure @editor will attend to it.

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Rate the quality of your heat pump design and installation

I think that is an excellent suggestion, I am sure @editor will attend to it. To be clear. I see flaw-less as fault-less, and a fault or defect is s...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rate the quality of your heat pump design and installation

I'm with @editor on this one. Flawless as the top category is fine. It does not mean perfect, it means flaw-less, no flaws. A flaw is a fault of a def...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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