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cathodeRay
cathodeRay
@cathoderay
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Illustrious Member
Joined: Feb 28, 2022
Last seen: Sep 13, 2025
Profile Activity
Topics: 17 / Replies: 2131
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RE: Connecting Home Assistant to a Midea Heat Pump

Jumping in rather over my depth, I did find two ways* of calculating the integral, one via a spreadsheet formula and the other by using an online calc...

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

I have been trying different ways of calculating energy in to compare the results. I have taken an hour when the heat pump was running in a fairly ...

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

Another major problem for me is that HA can and in my experience does corrupt its database. You can, with a lot of hard work, recover the data, but th...

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

That's the clue, I think most if not all HA aficionados have a background in software/computing, and so already think like HA does, and so take natura...

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

@cashback - very interesting. If you haven't come across them, two other threads have info on all this: Home Alone with Home Assistant (previously A...

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

More high jinks with Highcharts JS. I have now got zooming working. Here is the minute data for energy out parameters (LWT, RWT and flow rate, plus am...

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

@gorm - thanks for the link. I am sure you are right, it is a Midea clone, the images all look familiar, and the modbus register values for the ones I...

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

@gorm - thanks, maybe, post it or a link to it here anyway, if you can, more grist to the mill.

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

I didn't get to read that until after the service, but luckily I took some photos, one of which shows Dip Switch S2, and S2-3 and S2-4 are both off, w...

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

This is a heat pump myth. Both the building and the heat source are agnostic - they don't know about each other. Put another way, a kWh is a kWh, wher...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: A Beginner's Guide to Heat Pump Monitoring Reloaded (v2)

@iancalderbank and @derek-m - I will certainly get as much info as I can while the covers are off, including photos where possible.

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

It's very easy to do, I've done it myself. You have to check, re-check and then triple check. The model numbers are long and confusing, and even the i...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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