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SUNandAIR
SUNandAIR
@sunandair
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Noble Member
Joined: Dec 30, 2022
Last seen: Jul 8, 2025
Profile Activity
Topics: 5 / Replies: 493
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Reply
RE: L9 error with Mitsubishi ecodan heat pump

@michel54 hi Michel. The L9 fault is specific to a problem with the flow rate registered by your flow meter. If the flow rate drops below the usu...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: L9 error with Mitsubishi ecodan heat pump

So many questions. but if you’re having to manually activate the circulator it sounds like it’s not set up properly. your language setting is set...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do thick walls make for warm houses?

@djh @bontwoody @grahamh this is very interesting - so can we take this discussion further? I’ve always thought mass is very useful in internal wa...

7 months ago
Forum
Insulation
Reply
RE: Do thick walls make for warm houses?

@djh @bontwoody this is very interesting - so can we take this discussion further? I’ve always thought mass is very useful in internal walls as i...

7 months ago
Forum
Insulation
Reply
RE: Ecodan help - flow temperature spikes when operating in weather compensation mode

@jamespa so I put the DHW on while the existing hw temperature was elevated. (To see how the HP would react when it reached DHW target temperature ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan help - flow temperature spikes when operating in weather compensation mode

@jamespa yes, I think you’re right but it might be worth checking. it can also be seen that the target temp usually over runs by a few degrees, pres...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan help - flow temperature spikes when operating in weather compensation mode

hi @eleusis these graphs are all DHW cycles and nothing to do with WC mode. and as @jamespa says you’re first graph with the split reheat shows s...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to make me regret installing a heat pump

@lucia Defining who is missing out on funding is definitely wide and varied and perhaps inconsistent to what you are concerned about. Locally to me...

8 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: How to make me regret installing a heat pump

8 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: How to make me regret installing a heat pump

Thanks Mars.... I have been following your podcast series, which I’ve found really interesting and helpful. It’s also been handy to put a face to othe...

8 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: How to make me regret installing a heat pump

I’ve read your posts over many weeks with interest Judith. But can’t help thinking “a lot is happening” is a distinctly relative term in view of the ...

8 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: Shutting down heating when out for the day - data

When it comes to comfort and recovery I totally agree. But you did use the word Trump which did make me shiver quite a bit this morning. 🤡

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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