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SUNandAIR
SUNandAIR
@sunandair
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Joined: Dec 30, 2022
Last seen: Jul 9, 2025
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Topics: 5 / Replies: 495
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RE: Ecodan. How to run this efficiently with zero understanding.

Where in your circuit are the Primary flow and Primary return thermistors mounted? (Also called LWT and RWT) Also have you managed to get differential...

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

@davew hi Dave, Im thinking they may look un-insulated but the insulated ones have an outer shell. If they have a product plate you may be able t...

2 years ago
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Air Source Heat Pumps (ASHPs)
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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...

2 years ago
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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...

2 years ago
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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...

2 years ago
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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...

2 years ago
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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 👍🏼

2 years ago
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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...

2 years ago
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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...

2 years ago
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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...

2 years ago
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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 ...

2 years ago
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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. ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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