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cathodeRay
cathodeRay
@cathoderay
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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

@pash44pump - there may be other ways you can improve things apart from using actual data for the IAT. The IAT and OAT will be spot readings, where as...

10 months ago
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RE: Midea ASHP – how to set weather compensation

I think you are. Here is my plot of your energy out vs OAT:       Despite the small data set, the limited OAT range, the vari...

10 months ago
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RE: Midea ASHP – how to set weather compensation

Most of what you need is in my post above (15/10/2025 7:46 pm). You only need mean hourly (or daily if that is all you have) OAT and energy out, for p...

10 months ago
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RE: Daikin Octopus installation update - I saw my first defrost. 😍😂

@jancold - that thing is a pressure reducing valve, used to reduce mains pressure to something more domestic, typically 3 bar. I have the same thing i...

10 months ago
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RE: Testing new controls/monitoring for Midea Clone ASHP

@benson - that looks encouraging. The all important IAT is stable apart from the solar gain boost, and no harm in that! It does (LWT flat lines),...

10 months ago
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RE: Midea ASHP – how to set weather compensation

@pash44pump - it sounds as though you are close to having some useful data. I avoid things like JupyterLab, they just seem to add another layer of ...

11 months ago
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