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cathodeRay
cathodeRay
@cathoderay
Moderator
Famed Member
Joined: Feb 28, 2022
Last seen: Sep 3, 2026
Topics: 18 / Replies: 2986
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RE: Midea ASHP – how to set weather compensation

Some things worth mentioning: (1) the Headroom Heat Pump Heat Loss calculation is still just a calculation based on whatiffery. In the case of Midea...

11 months ago
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RE: Say hello and introduce yourself

The cylinder is there because heat pumps are 'low and slow' - they can't do bursts of high heat output, so you have to heat the water over a period of...

11 months ago
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RE: Seeking Help for In-Principle Quote to fix a botched heat pump installation by Heat Geek Installer

Which tells us something (including possibly everything) is not right. can you describe exactly how the data gets from wherever it originates to this ...

11 months ago
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RE: Seeking Help for In-Principle Quote to fix a botched heat pump installation by Heat Geek Installer

The thing is most people aren't physicists. If they buy an 100mph car, they expect it to go 100mph. I've suggested many times that the standard condit...

11 months ago
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RE: Seeking Help for In-Principle Quote to fix a botched heat pump installation by Heat Geek Installer

I agree, the badge rating is about output, and I think @drei's recent posts showed inputs, which is why I asked about outputs, and thereby COPs. Recal...

11 months ago
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RE: Seeking Help for In-Principle Quote to fix a botched heat pump installation by Heat Geek Installer

This is all part of the smoke and mirrors around heat pump marketing. My unit is badged as a 14kW unit, but the maximum it has ever put out is 11.52kW...

11 months ago
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RE: Seeking Help for In-Principle Quote to fix a botched heat pump installation by Heat Geek Installer

In effect you are relying on the manufacturer marking their own homework. Is there any way you can validate these readings? For example, I have an ind...

11 months ago
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RE: Low Flow Rate Error - 8 kW Ideal Logic ASHP - Help!

@wh0am3ye - OK, starting to make sense, but it does mean you have a buffer which as you will know from this forum is usually, though not always, not i...

11 months ago
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