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JamesPa
JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Oct 22, 2026
Profile Activity
Topics: 28 / Replies: 5526
AllTopicsReplies
Reply
RE: Is My Midea Heat Pump Inherently Defective?

I should add to the above one other thing. It is just possible that the Midea is designed for a deltaT higher than 5C at max output, high enough th...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is My Midea Heat Pump Inherently Defective?

OK wrong wording on my part. Please read 'infer' instead of 'say'. Regarding the rest of this quote please read again this comment As I ob...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Double heat pump for DHW?

Fair enough. Perhaps your daughter could be asked to contribute to the cost or reminded that she will (likely) outlive you and will thus suffer the e...

2 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Is My Midea Heat Pump Inherently Defective?

I don't think you can say 'This is not how a heat pump is supposed to run'. SOFAIK there is nothing wrong with operating a fixed flow rate (and thus ...

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

abut 1.5 bar, but I dont think it matters much unless you have a very tall house (it merely needs to be sufficient to ensure that negative pressure do...

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

Those cops sounds pretty close to what I see (7kW house, 7kW Arotherm). My energy delivered is currently tracking fairly close to what my measured ga...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Double heat pump for DHW?

And, as an added bonus, the bed sheets won't need to be changed quite so frequently!

2 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: ASHP and how it should run and potential kw consumption?

Like any heating system the consumption will depend on outside temperature. At the design minimum temperature you need to deliver roughly twice as mu...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Double heat pump for DHW?

An arrangement which recognises that this is a modern totally unnecessary extravagance? Or as @iaack suggests, waste water heat recovery Or just s...

2 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Best control strategies for heat pumps that are way oversized

Pretty much I'm coming to that conclusion, TBH it was my hunch when I started this thread but I wanted (and still want) to see if anyone comes up with...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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