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pash44pump
@pash44pump
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Joined: Aug 28, 2025
Last seen: Jul 21, 2026
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Topics: 1 / Replies: 69
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Reply
RE: Midea ASHP – how to set weather compensation

@benson thanks. @cathoderay suggests using data loggers to collect the data. How did you do it? Same method or different?

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea ASHP – how to set weather compensation

Lunch over. Back to it Some more observations from discussion with installer. Given they raised possibility that the UFH is not insulated properly (...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea ASHP – how to set weather compensation

@jamespa noted. Thank you

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea ASHP – how to set weather compensation

@cathoderay thanks. I had a call within half an hour of sending my letter by email. My requests were 1) fix the insulation as per @transparent recom...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea ASHP – how to set weather compensation

@cathoderay I hear you. I have just finished a letter to the company. I have asked for immediate rectification of the insulation issues due to Part L ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea ASHP – how to set weather compensation

This now in answer to my request to provide input assumptions for the heat loss calculations "In the scope document that Sandra shared with you, the...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea ASHP – how to set weather compensation

@jamespa how do you get from usage of 30MWh to loss between 10 and 15?

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea ASHP – how to set weather compensation

@jamespa Ok I have now found all my old oil orders and over a 7 year period, the average amount ordered was 2900 litres. The installer assumed an aver...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea ASHP – how to set weather compensation

So now I have completed my heat loss calculations and I get a total property heat loss of 12502 against the installer's calculations of 8610. I have u...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea ASHP – how to set weather compensation

@jamespa I woke up this morning (at 4.45am!) thinking about exactly that and I have been looking into the ACH numbers on the Freedom Pumps xls. To me ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea ASHP – how to set weather compensation

@cathoderay. I've taken the numbers directly from the Freedom heat loss calculator that I downloaded from your link. This shows a room heat loss (larg...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Midea ASHP – how to set weather compensation

So, I have input details into the Freedom Heat Pumps loss calculator and I get the following Lounge - Installer Heat Loss 40 Room Loss 1995 Mine He...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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