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cathodeRay
cathodeRay
@cathoderay
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Illustrious Member
Joined: Feb 28, 2022
Last seen: Sep 16, 2025
Profile Activity
Topics: 17 / Replies: 2145
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RE: Connecting Home Assistant to a Midea Heat Pump

Rather than get tied down in bitwise stuff (which most people including me find baffling) I'm sticking with string extraction for now. I already hav...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A Beginner's Guide to ASHP Monitoring

@majordennisbloodnok - all good points, as ever. I think part of the problem, perhaps the main problem, is that I made an early decision to present al...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

More comedy cr@p from HA: how do I run my python modbus script on the mini PC given HA's control freakery over what you can and can't do? Apparently...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

@derek-m - just realised I could set a higher tank set temp and override the timer to get the hot water heating to come on, which it did, confirmed by...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

@derek-m - I've just run the code with on_off = instrument.read_register(129, 0) and got this as the binary output: 2023-03-20T18:33:26,10000001...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A Beginner's Guide to ASHP Monitoring

@iancalderbank - thanks again for the clarifications, others will no doubt benefit too. Brief summary: DO use a reserved IP address set in your rout...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

@derek-m - I've just realised that some of the modbus tables look almost the same but they are not. The manual I have has this for register address 0:...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A Beginner's Guide to ASHP Monitoring

Thanks for reminding me, that is what I did. I recall also having a moan about the fact that the HA static ip address documentations totally fails to ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A Beginner's Guide to ASHP Monitoring

Thanks for your comments, much appreciated. I did in fact go though IP addresses at various points, on the assumption (this time perhaps OK!) that beg...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

There's quite a lot not to like about this chart, but still worth posting as proof of concept. I've had the python code running over three hours, logg...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Our 11kW Ecodan and its inconsistent data...

@glpinxit - these are common problems. Those of us with Midea units, for example, have almost identical built in uncertainties, including the crucial ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

Thanks, I will think about it, but first thoughts are that it will sit quite comfortably in the Beginner's Guide thread, and the thread provides conte...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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