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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Sep 15, 2025
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Topics: 17 / Replies: 2137
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RE: Connecting Home Assistant to a Midea Heat Pump

Here is a rather cryptic table of htg and dhw COPs with the amps_in shifted downwards one cell at a time: Shift 3 sort of works initially, but the...

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

@filipe - this is the key data at the transition time with rather meaningless minute COPs added but they do show how the abberation occurs: At the...

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

Another thought, in reality a restatement of @derek-m's thinking, perhaps my implied assumption that one minute's energy in is directly responsible fo...

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

In the yellow highlighted section, sort of. What happens is this. The space heating is on 24 hours a day, and uses weather comp to regulate heat outpu...

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

In the on_off columns, it is being used as a binary on/off value, but being a number it has the useful side effect it can be used to zero a calculatio...

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

@iaack - thanks. The 11.6, which is definitely for the hour not minute, is definitely an artefact, caused by the erroneously high energy out figures f...

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

@derek-m or indeed anyone - I have almost got the python code to do everything I want, including allocating energy in and out to space heating or DHW ...

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

@william1066 - it goes without saying (at least I hoped it did) that what I write about HA is based on my observations experience and opinions. ...

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

@majordennisbloodnok - thanks as ever for your welcome thought and comments. I think this thread, and the 'journey' it documents, is a sort of necessa...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Flawed ground source heat pump system: low pressure faults and high running costs

@editor - very glad to hear about your background, it puts you in a good place to deal with this. Despite being legalistic in my earlier post, I also ...

2 years ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: Flawed ground source heat pump system: low pressure faults and high running costs

@kev-m - I've done a fair amount of writing in my time, and some of it has been close to the bone, meaning I have to know about libel, and yes it is a...

2 years ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: Samsung ASHP scheduling help

Sorry, should have been clearer. Here's my setup in a rather unelegant image, but I hope at least clearer: It's similar to the Samsung set up,...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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