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cathodeRay
cathodeRay
@cathoderay
Moderator
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Joined: Feb 28, 2022
Last seen: Aug 6, 2025
Topics: 17 / Replies: 2074
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RE: Performance in the current cold snap…

Sorry, but I want to be clear about this in my own mind. I think it may be all about what happens during the defrost, and how you account for it (in a...

2 years ago
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RE: Performance in the current cold snap…

Yes, I am sure as can be. It is down to simple numbers. The calculated heat loss at -2 is 12.4 kW, a figure that I think is as good an estimate as can...

2 years ago
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RE: Performance in the current cold snap…

Sorry, forgot to include this bit. Yes, will try CC3. I'm also going to put the left had WCC baseline back up to 56, at least for the next 12 hours or...

2 years ago
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RE: Performance in the current cold snap…

Yes, that is the right document. I absolutely get this, but my hands are tied by the design constraints: small area for rads, fitted the largest we co...

2 years ago
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RE: Midea ASHP Install & Potential Changes

I appreciate that, and no harm in doing it, but it helps to have something to focus on, as you have now done. Freedom, who also supplied my Midea he...

2 years ago
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RE: Midea ASHP Install & Potential Changes

@dons - the is quite a lot of info there, but not so much in the way of clear specific questions. It might help if you summarised your key questions, ...

2 years ago
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RE: Performance in the current cold snap…

@iancalderbank - The manual the tables comes from is available online, and can be found using google (midea m thermal mono engineering data pdf). A li...

2 years ago
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RE: Performance in the current cold snap…

Looks interesting, thanks for posting, will watch it when I have a chance. The installation meets (exceeds) the airflow requirements in the insta...

2 years ago
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RE: Performance in the current cold snap…

@derek-m - I do wonder if it is time to drop the cold well seriously compromises my heat pump hypothesis, on the grounds that it seems increasingly li...

2 years ago
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RE: Performance in the current cold snap…

This is one of the points I made earlier, cooling the local air is as far as I can see normal behaviour for a heat pump, and to that extent many if no...

2 years ago
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