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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Aug 29, 2025
Profile Activity
Topics: 17 / Replies: 2081
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RE: Getting the best out of a heat pump - is Homely a possible answer?

I have just done my weekly data update, a very tedious manual transfer of data from the Midea app into a spreadsheet, and the updated charts look like...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rate the quality of your heat pump design and installation

Don't y'all just love the jargon! More seriously, this is one of the big hurdles newcomers need to get over if they are to make any progress in this a...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Getting the best out of a heat pump - is Homely a possible answer?

I suspect getting your head round this quote is crucial to this debate, though the intervals are probably better thought of as 2 hours of COP2 vs 8 ho...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The Seven Deadly Sins of bad ASHP install

And are there any unseen leaks, if it is an old system, and used to be open system with a feed tank in the loft, ie a pressure test. I accidentally ha...

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

@derek-m - you are on the right trail, it is COP I am after, but it also means I will get some other data I would like, because they are needed for CO...

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

Even 'simple' things like this are far from simple in practice. Who knows where Midea put the LWT sensor, and how it is calibrated. What I can do is, ...

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

This I want to avoid, all the more so as the project may (I hope it won't) fail. If i just want to burn several hundred quid, a large bunch of tenners...

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

Derek, I think you are talking about what I would call reliability and validity. Reliable means repeatable, repeated measurements on the same thing in...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rate the quality of your heat pump design and installation

Nice one. I think the time has come to start a new thread on ASHP system monitoring, which I suggested I might do a while back, a beginner's guide t...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Home Alone with Home Assistant (previously A Beginner's Guide to ASHP Monitoring)
3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 104
Views: 17381
Reply
RE: Rate the quality of your heat pump design and installation

First, congratulations, it must be very satisfying having a working DIY installation. I'm very interested in your success in getting modbus integrat...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Getting the best out of a heat pump - is Homely a possible answer?

I should perhaps add that one of the reasons I want Homely to work is to gain the ability to recover from overnight setbacks. Last night, running a 24...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Page 147 / 175
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