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Kev M
@kev-m
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Noble Member
Joined: Mar 5, 2021
Last seen: Jan 8, 2025
Profile Activity
Topics: 10 / Replies: 1266
AllTopicsReplies
Reply
RE: Ecodan Room Temperature Mode

agree with the above.

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

I agree with your point about off = unrestricted. When my LWT went up to 48, it was in the process of raising the IAT from 21.5 to 22.5. The set po...

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

I don't think so. It takes about an hour or so to heat from mid 30s to 48.5. I would have though any residual peak from the HW would be long gone? B...

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

Agreed. It didn't do it immediately; in fact for the first couple of days it looked the same as before. But yesterday after the HW cycle it sneaked i...

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

No suggestions yet but your AA settings are now the same as mine. What I can see happening in my system is that the IAT is varying between the setpoi...

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

@Derek-m The former I think. AA pushes the lower end up and the higher end is constrained by my 43 deg upper limit. If I remove the upper limit, th...

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

Or it may have an in-built one? One thing I notice is that in milder temperatures my LWT doesn't vary much. I've limited my LWT to a maximum of 43...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pumps are more than twice as efficient as fossil fuel heating systems in cold temperatures - Research

A typically pro-heatpump Guardian article but most of the data used in the study is from A2A systems.

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

I don't know but I'd like to. I may try some experiments as it's easy for me to view the results using the monitoring data. If anyone wants to sugge...

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

Interesting. That explains why the IAT is always above the set point.

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

I was going to start a new topic but I'll join this one if that's OK. I've been running AA for about a year and am pretty happy with it. It uses abo...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan appears to be ignoring Temperature Compensation

@mcwatson1974 can you explain how you normally use the system? What's on the FTC screen, how do you set the zones and switch the heating on and off...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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