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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Aug 15, 2025
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Topics: 17 / Replies: 2075
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RE: Connecting to Midea MSmartHome using a PC

@derek-m - still trying to make sense of that climate.py code. One observation: the DHW tank actual temperature isn't defined in that climate.py code,...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant Arotherm yeild and COP readings

This heat delivered by heat pumps thing is a bit of an enigma. I am off mains gas, and used to have oil CH. In a typical heating season, I might use 1...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

@filipe - although much of the 'how to' has ended up ad hoc in this thread, I am going to try and write it up in a more structured way in my Beginner'...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

@derek - I think it will be outdoor_temperature, the AC (air conditioning) Midea devices use this, and no reason to suppose C3 devices (heat pumps) ar...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

@derek-m - I've added the latest code changes. There was a typo you might like to correct in your version (self.outside_temperature = body[data_offset...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

You posted while I was writing my last post, I will make the changes now. I meant to say earlier, I think the second byte is heating/DHW status. Se...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

Only yesterday, I was thinking that anyone who manages to decipher the Midea code deserves a Turing award. They are in the same order as in the c...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

@derek-m - last night's hourly 'byte' values after hex2dec conversion and my assessment (colour bars) of what is what: The current C3\message.py c...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

Aha, I think I've got it. Let me put it like this. I thought the message was the data stream, but in fact the message is built by plucking elements fr...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

I doubt we will get -12C in the near future! In fact, I think we are unlikely to get much below zero during this week, if that. I will watch the local...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

@derek-m - at the moment (13:24) the wired controller outdoor temp shows 12 degrees, maybe it was 11 degrees. At 1308 (one of the random not on the ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting to Midea MSmartHome using a PC

I think this has to be the case, given neither of us has found anything in the code that requests the 04/04 message data. The odd thing is the random ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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