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cathodeRay
cathodeRay
@cathoderay
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Illustrious Member
Joined: Feb 28, 2022
Last seen: Oct 10, 2025
Topics: 17 / Replies: 2216
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RE: Testing new controls/monitoring for Midea Clone ASHP

@benson - getting there - you need to put all the variables on the same chart, ie add those from the second chart to the first chart plus the set LWT,...

1 week ago
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RE: Testing new controls/monitoring for Midea Clone ASHP

Maybe plot some more variables to see what is really happening. OAT as I said before, and set LWT, plus something that tells you what the heat pump is...

1 week ago
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RE: Testing new controls/monitoring for Midea Clone ASHP

Interesting. I have always assumed, partly because the chart of the WCC in the Midea Engineering Data manual suggests it is so, that at OATs above the...

1 week ago
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RE: Testing new controls/monitoring for Midea Clone ASHP

Very good, I am sure that will give you all the data you need.

2 weeks ago
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RE: Testing new controls/monitoring for Midea Clone ASHP

It's an interesting idea, in effect a sort of DIY Homely, with the advantage that you have complete control over the code. The only thing I might sugg...

2 weeks ago
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RE: Testing new controls/monitoring for Midea Clone ASHP

Probably (haven't tested it) but it would mean turning off Midea's WCC and creating my own, which I don't need to do as Midea's WCC plus my auto-adapt...

2 weeks ago
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RE: Testing new controls/monitoring for Midea Clone ASHP

That is interesting, and something you mentioned before, but which i didn't directly address. When my auto-adapt script runs, and changes settings ove...

2 weeks ago
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RE: Testing new controls/monitoring for Midea Clone ASHP

I think so. It also makes it easier for me to visualise what happens to the 'curve' (quotes because it is a straight line between the end points), eg ...

2 weeks ago
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RE: Testing new controls/monitoring for Midea Clone ASHP

My version of this uses a standalone python script that runs once an hour. Connect via minimal modbus, and then a series of if/then statements eg if I...

2 weeks ago
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RE: Seeking Help for In-Principle Quote to fix a botched heat pump installation by Heat Geek Installer

That is a lot for just rads, I think if you got trade prices on standard K3s you could cut that down a lot, plus scrapping metal these days is actuall...

2 weeks ago
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RE: Seeking Help for In-Principle Quote to fix a botched heat pump installation by Heat Geek Installer

I get the general idea with the spread sheets, I did something similar, but it is a little difficult just looking at pdfs, as so many things have chan...

2 weeks ago
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