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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Aug 15, 2025
Profile Activity
Topics: 17 / Replies: 2075
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RE: Is My Midea Heat Pump Inherently Defective?

It is the problem we were trying to solve, we being largely but by no means exclusively @jamespa and me. As JP has already mentioned, he has a backgro...

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

@bobtskutter - you may not have seen them (and why should you!), but we have at various times discussed using empirical methods of determining heat lo...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

As you haven't specified which correlation method you have used (a number exist), I assume you have used Pearson's correlation coefficient (which is r...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

@iantelescope - I think you are still confused about the difference between a volumiser and a buffer tank. Take this from the MCS guidance you posted:...

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

@jamespa - I think it also applies to an informal DIY assessment, that's why I am stating it here, because it may not be immediately obvious to everyo...

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

It wasn't so much a question as an observation: "What I think it means is you have to pay very close attention to the IAT". Instead of using "the (i...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump quotes: Advice needed

The problem is it is often buried in the detailed product engineering data, not in the promotional literature, and it is a bit much to expect consumer...

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

A well recognised symptom of HDHD (Heatpump Deficit Hyperactivity Disorder). CBT (cognitive behavioural therapy) can sometimes help. Possibly, bu...

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

@bobtskutter - as ever, thanks. I can go one further, plot OAT vs kWh out for the various running states. Not a lot of data so far but here we go...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My horrific Samsung heat pump installation and experience

I don't think that is a volumiser, it's a bypass! Volumisers go in series and solely act to increase volume...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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