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SUNandAIR
SUNandAIR
@sunandair
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Honorable Member
Joined: Dec 30, 2022
Last seen: Aug 13, 2026
Profile Activity
Topics: 5 / Replies: 565
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Reply
RE: Heat pump delta T too low - 2c

Hi your statement has spiked my first hand knowledge pot. When was your HP fitted? how do you know pump speed cannot be controlled? have you locat...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

I think we may have a bit of a false reading on ours… I’ve fitted 2 bezel thermostats closer to the heat pump (for visual curiosity) and they show reg...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

@davew, Derek and Kev, if the pump speed isn’t the cause one other possibility might be a buffer which as we know allows return water to mix with fl...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

@davew hi. Unfortunately we don’t have any cop data or energy figures to work anything out. We are still waiting for a replacement FTC6 controller s...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

@davew thanks Dave. That’s useful to know the speed effect of your setting change. We have also got A WM8.5 👍🏼

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

as luck would have it I closed my laptop while page C8 was on screen. pump speed ranges for the various HP models were on that page. Here’s a screen...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: British Gas kicks off price war for heat pumps

Maybe the government target of 600,000 installations per year is also not such a good idea - thinking how variable the quality of commissioning and ha...

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

@kev-m watching with interest what have you done so far? What parameters are you setting? also are you moving dip switches yourself eg sw5 no2 f...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

@squeakysim I guess, and it is a guess, that this is where the Auto adaptive mode is a refinement of weather compensation. I was discussing with a ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

hi Sorry for the overload of information. It also seems a few people were writing to you at the same time. Also thanks for extra info eg UFHeating. ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

Hi Jasper01 I’d say you’re looking roughly right at the 8c end of the curve but I would think you might be a bit cold at the -3c end. Unless you hav...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Looking for reference sites and installer recommendations

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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