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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Aug 8, 2025
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Topics: 17 / Replies: 2075
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RE: Connecting Home Assistant to a Midea Heat Pump

A quick and dirty spreadsheet plot of LWT and DHW tank temp, firstly over a few days, and then zoomed in (two hours) over a DHW heating period: ...

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

@filipe - I think the reason why you haven't received any comments so far might be because you are over-complicating things. COP, for example, is at i...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A Beginner's Guide to Heat Pump Monitoring Reloaded (v2)

Another carrot, which I had hoped to include in yesterday's post, but ran out of time, having lost four hours in the morning to the power cut. One o...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
A Beginner's Guide to Heat Pump Monitoring Reloaded (v2)
2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 49
Views: 9663
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

Thanks for adding this, good clear explanation. To add a probably superfluous analogy, given an old fashioned telegraph system, the wires and all the ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Say hello and introduce yourself

This is the route I went down. At this very moment I have my earlier Home Alone with Home Assistant setup (uses a painfully complicated wifi/LAN setup...

2 years ago
Forum
Introductions, Forum Rules & Updates
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RE: Say hello and introduce yourself

It's actually a work in progress type thread, which will ultimately be boiled down to a Beginner's Guide to Heat Pump Monitoring v2 (v1 ended up as Ho...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

PS I should perhaps add in that I myself am not immune to redundant word situations, which on rare occasions may spill over into ongoing redundant wor...

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

I'm sorry, but I still don't understand what that image shows. Frankly, it's verging on dreadful. I guess it is what happens when you try to do things...

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

@filipe - the problem I am trying to deal with is the lag: at any one reading (all the data is collected in one go once a minute), the energy out has ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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)
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