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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Aug 24, 2025
Profile Activity
Topics: 17 / Replies: 2699
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RE: R290 install location and future of R32

I did once look for actual regulations governing this and couldn't find any. What I did find was a couple of sites which said (fairly convincingly) t...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Totally bewildered with my ECO4 heat pump installation

Whoa, how do you know that? I've only had my heat pump for just over a month!

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: R290 install location and future of R32

Which I personally take to mean that there is no restriction on what is above. Otherwise they would have to show a clearance and a protection zone ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: ASHP and how it should run and potential kw consumption?

They definitely are. Part of the problem is that some settings apply only when others have certain values. There are probably some mistakes in the ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: R290 install location and future of R32

I firmly believe (but am open to correction) that the answer is yes (I also hope so, mine is!). The operative word (I believe) is under, the protec...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Totally bewildered with my ECO4 heat pump installation

I saw you just posted some new pics. One questuon about those: Do you know - Is the big tank just a DHW tank, I think probably so (300l)?, but its ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Totally bewildered with my ECO4 heat pump installation

@jaynieq Thanks for the info and pics. These are of your solar/electrical installation, I was actually looking for the controller etc for the heat pu...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP and how it should run and potential kw consumption?

OK I did some very crude energy balance calculations attached. I had to make lots of assumptions, some of which matter to the outcome, many of which ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP and how it should run and potential kw consumption?

@jeegnesh Thanks. One last question then I'll do some back of the envelope calculations tomorrow. Please confirm what times of day you are r...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Hitachi Yutaki M efficient operation

I dont know, unless water is circulating in the UFH much faster than its coming out of the heat pump so basically its going round and round the UFH be...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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