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SUNandAIR
SUNandAIR
@sunandair
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Joined: Dec 30, 2022
Last seen: Aug 13, 2026
Profile Activity
Topics: 5 / Replies: 565
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RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

@mjr Put like that we do expect a lot…. - A constant room temperature when all the other parameters are constantly changing 😂😂👍

4 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

Or is it “Good COP bad COP”? there’s something of a deception when looking at COP alone IMO. when we first powered up our heat pump we were using...

4 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan Controller Placement?

I got my installer to relocate my controller and replace my 3rd party (on off) room stat with the wireless Mitsubishi which is now set up as the room ...

4 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan - Hot Water Settings

I can sense your frustration with the equipment and are looking for a quick solution but these issues may be connected in some way. So it would hel...

4 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.

Not sure but it seems to me that your primary return water isn’t rising much at all. Your DT appears to be getting wider and wider as the flow water r...

4 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.

Thanks for the explanation @derek-m that’s really useful 👍🏼

4 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.

Hello can enybody tell me what 0.9 MPS actually stands for in this heat geek cheat sheet. I thought it was Metres per second but that seems too bi...

4 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.

This is great information from everyone. Thanks all. Just as a total aside and completely non technical. Has anyone suffered with flow rate problems, ...

4 years ago
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Air Source Heat Pumps (ASHPs)
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RE: 15mm piping and the need for flow separation

The min and max flow rate for the 12kW Samsung Gen6 is 12 & 58 lpm respectively, so I am interested in how you avoid 911 errors running below the ...

4 years ago
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Air Source Heat Pumps (ASHPs)
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RE: 15mm piping and the need for flow separation

I’ve been evaluating the similar option for my 8.5 heat pump. Although your model is different to mine Several things in the info you have given sugg...

4 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.

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...

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 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...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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