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JamesPa
JamesPa
@jamespa
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Joined: Apr 3, 2023
Last seen: Sep 21, 2026
Topics: 27 / Replies: 5416
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RE: Hitachi Yutaki M efficient operation

Yes, almost certainly. I dont know if the HP can control the buffer, some can. If the buffer has two temperature sensors at different heights then ...

2 years ago
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RE: Totally bewildered with my ECO4 heat pump installation

Which is one reason why fossil fuels are successful. A lead acid battery as used in a car might store 1kWh in about 8l, one 80th of the volumetric en...

2 years ago
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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...

2 years ago
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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!

2 years ago
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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 ...

2 years ago
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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 ...

2 years ago
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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...

2 years ago
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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 ...

2 years ago
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