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JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Sep 5, 2025
Topics: 17 / Replies: 2786
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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 ...

8 months 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...

8 months 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...

8 months 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!

8 months 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 ...

8 months 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 ...

8 months 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...

8 months 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 ...

8 months ago
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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
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