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cathodeRay
cathodeRay
@cathoderay
Moderator
Famed Member
Joined: Feb 28, 2022
Last seen: Sep 3, 2026
Topics: 18 / Replies: 2987
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RE: Testing new controls/monitoring for Midea Clone ASHP

Thanks for the feedback, we do like to present a balanced view here on RHH! I am glad to hear it works well for you. Maybe report back after a period ...

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

High thermal mass, plus that chart is very zoomed in. If you look at the 48 hour chart (the one with the compressor frequency on it) you will see the ...

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

No. My auto-adapt script (tweaks WC end points based on actual vs desired IAT) logs its activities, and, looking at the log, no changes to the WC were...

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

The chart accurately represents the data, but the data may or may not be accurate. It comes from the Midea wired controller, via modbus. There is no r...

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

A flow rate of 0.36 cubic metres per hour seems quite low. But the real point here it seems to me is Midea are missing a trick here. By using a steady...

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

Unfortunately, yes. I added it for the benefit of othess interested in seeing how COP is affected by lower OATs and defrost cycles.

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

I've zoomed in on a section of the earliest chart, and added drop down arrows at the start of each defrost cycle:       It se...

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

PS another useful observation from the last chart I posted is the effect of low OATs and defrost cycles on hourly COPs: around 4 on the left hand side...

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

@tasos - I see you have now edited your post and added another question (my immediate past post was in part a reply to your unedited post). I thin...

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

@tasos - never one to knowingly miss an opportunity to say weather compensation isn't any good! @benson - my understanding is this: T1 is the actual...

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

Thanks, that might explain the when, and possibly the why. My 't_T4_FRESH_H' (the relevant setting, though it is not exactly clear, under Heat Mode se...

12 months ago
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RE: External stat issue

@cliffhanger - seriously though, I have no idea. What I do know is that any sensor can be duff eg the one that tells you your car is over-heating when...

12 months ago
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