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SUNandAIR
SUNandAIR
@sunandair
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Noble Member
Joined: Dec 30, 2022
Last seen: Dec 19, 2025
Profile Activity
Topics: 5 / Replies: 503
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RE: Ecodan circulation pump

@adamba @Derek-m My frost protection - used to be set to activate the pumps at 12 degrees C I’ve since set it to 3c now. Since we don’t have glycol. T...

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

I was hoping it might be a bit more subtle than that 😢 I was hoping the +-5 would be a mark up on the WCcurve set point. So Adaptive could set a ho...

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

Hi @morgan ill leave this video here for you to look at... it shows you how to select the different speed settings of your pump. I believe that...

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

I couldn’t begin to understand the complex piping of your pre-plumbed cylinders. It’s beyond me… I think I have been spoiled with a very simple pipe l...

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

Maybe my message was too detailed for what is a simple and positive outcome.... sorry. perhaps you should just sleep on it and have a look with fres...

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

Have you solved this Dave..... my understanding is that this first pump is always on because it is the Primary Flow pump serving both the DHW and the ...

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

I've seen their data sheets and video on what the various numbers mean. Just by pressing the button once it will give you it’s setting followed by the...

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

Hi @morgan ok I’ve looked at my own setup and we are on constant curve speed 1 pump setting are you ready to look into your Delta T adjustment? It...

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

@morgan just checking with @derek-m for correct pump speed Constant or proportional options have you seen the video of your pump? When your pump is...

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

@derek-m ref: @morgan pump speed. would you suggest proportional pressure pump setting for this radiator installation presumably with thermostatic rad...

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

Hi @morgan it would appear you have a variable speed pump here is a video about it So it should be quite simple to change the pump speed. Ther...

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

Ok it’s not too surprising you’ve got a DT of 1/2c if your flow rate is in the 20s can you take a picture of the pumps? As an alternative perhaps you ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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