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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Aug 15, 2025
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Topics: 17 / Replies: 2075
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Reply
RE: Optimising ecodan ASHP

There certainly are discrepancies, but I am fortunate that for the energy in I can measure them, as I have an external heat pump dedicated kWh meter. ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Optimising ecodan ASHP

For sure, that is the gold standard, but you can get some Ecodan data, see posts by @kev-m, though obviously it comes, like my data from a Midea unit,...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

I do have the data, as you know, all you have to do is ask! According to my Mark 1 Eyeball Aggregator, the IAT was on average about one degree less ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

Sorry if you were confused, it is entirely my fault, I was looking at one image (last week) and had posted another (last 48 hours). The last week look...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Optimising ecodan ASHP

I can't answer all of your questions but here goes for some of them: (1) I am not sure which delta you are referring to - rad to room or LWT/RWT. Th...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

The chart was in my previous post two above the last one, but the website pagination has put it on a previous page. Here it is again: ***edit:...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

Do setbacks save energy without compromising comfort? The original question... Given the above chart ***edit: this is not the image I meant, see bel...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

A sorry sight for sore eyes - the last 48 hours data: Dominated by defrost cycles, appalling COPs and a slight but steady decline in IAT - hea...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

Well well, here's the definitive answer as to whether Midea heat pumps run the fan during defrosts (apologies for not editing the titles etc, this is ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

@kev-m - here are the data you requested, placed side by side for ease of comparison:

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

I do, I will post shortly, also for the 12kW variant, which is supposed to be the same hardware, but set to 12kW using the dip switches. Yes, thi...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

I haven't seen such a plate with min/max outputs, instead I have been using the Midea Engineering Data manual which has tables of outputs for various ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Page 82 / 175
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