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gotaashp
@gotaashp
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Joined: Jan 29, 2023
Last seen: Nov 19, 2023
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Topics: 1 / Replies: 78
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RE: Ecodan Long Cycling and AA behaviour in one day.

Yes (and everything in-between lol). I was running a curve of 38C at -5 / 35C at +15, this would result in 4-5 cycles per hour during mild outside tem...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan Long Cycling and AA behaviour in one day.

@derek-m What did Toyah once say, 'It's a mystery, I'm still searching for a clue..' 😀 . My system needs 40C+ flow temps when OAT is in the 12-15C r...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan Long Cycling and AA behaviour in one day.

The curve was actually set for another experiment (that was working very well). It's another topic entirely so I won't go into detail here; but I 'inv...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan Long Cycling and AA behaviour in one day.

I had a bit of time on my hands this afternoon (and it was raining) so decided to have a quick 'play' with AA mode again. OAT was 12C, and I set my WC...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan Long Cycling and AA behaviour in one day.

That's in AA mode. General consensus (until now?) was that AA mode used the WC curve as a baseline and adapted from there - 37C was spot on where my c...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan Long Cycling and AA behaviour in one day.

Hope you don't mind me joining this topic as well. Here's a chart with the AA 'thermo diff adjust' option turned OFF, OAT was mild (13C). The way I ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan cycling

I do have a pretty good understanding of why I'm seeing the cycling behaviour I am, I've accepted it is what it is and that some compromise is to be e...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan cycling

Thanks Derek, very useful. I'm using the remote stat to turn the heating off at set temp +1 degree (at milder ambient temps). Set temp is 18C, so re...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan cycling

I'm watching this thread with interest as I'm in an identical situation to @walkers-heatpump. 6kw Ecodan, with rads, open system, 5.7kw heat loss calc...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Smart meter installation – seamless or a potential nightmare?

It's not just 'old' devices - if you want a rather ironic example - best ask Mitsubishi why their Melcloud WiFi controller only supports 2.4Ghz. I t...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
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RE: Mitsubishi Ecodan & Raspberry Pi automations

I think I'm looking too hard, that's just the fixed flow temp default value so just a co-incidence. Just checked - my fixed flow was set at 36C.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan & Raspberry Pi automations

H'mm I may well be looking for something that isn't there, but is this just a co-incidence I wonder...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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