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SUNandAIR
SUNandAIR
@sunandair
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Noble Member
Joined: Dec 30, 2022
Last seen: Jul 23, 2025
Profile Activity
Topics: 5 / Replies: 496
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RE: Optimising ecodan ASHP

That’s ok… if you’re getting the room temperature you want at all outside temperatures then you may as you say, be lucky and have got the right WCcurv...

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

This is exactly the same issue we had with our installation a year ago. We had the missing energy data. We also had a 3rd party thermostat which meant...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Icy cold weather, weather compensation and consumption

30th November was a bit cold we operated a setback to 16C and still got a TOPUP in the middle of the night Room temp is black line. Green is Outsi...

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

this mornings HP activity here concurs with harryup and cathoderay Regarding defrosting. the fan definitely stops so there is just the circulating p...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Flushing an ASHP system (and UFH) questions

Have you had the strainers and metal filters cleaned out? There is a sump on the isolation valve on the outdoor return pipe which has a steel strainer...

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

Hi Kev and Ray Our heating was on a low setback so it was inactive for heating purposes. This allowed us to see the auto-reheat for defrost purposes...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Flow temperature up and down like a yo-yo

Hi Greekgod I thought you might have known…. All heat pumps are made by the Greek goddess of Mischief, Delusion and Folly. Have you or your installe...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan Room Temperature Mode

Morgan, try this Mitsubishi video. It shows how to set a On off schedule and vary temperatures along the time line. Just remember that Auto adapt...

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

here is yesterday’s temp drop chart. I forgot to include And todays so far

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

Not sure information this helps your modelling but here goes nothing: our house is empty and has been slowly cooling down since Saturday the initi...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan controller- one question and one observation

Yes we’ve noticed and have used a small mid point kink in the WC curve. Our reasoning for trying this is that we have a large expanse of glazing in th...

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

Hi Kev. Have you had any results from new settings of temp differentials? i altered my wc curve and interval plus shortened temp differential. we ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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