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SUNandAIR
SUNandAIR
@sunandair
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Noble Member
Joined: Dec 30, 2022
Last seen: Nov 2, 2025
Profile Activity
Topics: 5 / Replies: 499
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Reply
RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

“Operation settings” adjustments offer some hopeful results. I’ve been trying different settings and got our best COP results so far. Control inter...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

I don’t see it as the only way.... how about lowering the ambitious set flow temperature? So that it matches the radiant capabilities of an inefficien...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

@benseb I think I read some earlier posts of your installation. The biggest problem I recall was the long line of rads off a 15mm pipe you also have s...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

[/quote] The heat loss from your home is dependent upon the temperature difference between inside and outside. This can vary quite considerably thro...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan circulation pump

No, that’s a slightly different slant on what I said. My point was that when you’ve resolved any problems you may have with your system you may find ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan circulation pump

Hi @adamba thanks for the information you’ve sent. Regarding the Freeze Stat Function.You can adjust this down to a lower temperature without affe...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan circulation pump

@adamba hi Since you’ve got glycol you could set your frost-protect down to zero if it’s not already set to that temperature *But please let us kno...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan circulation pump

@adamba If you are familiar with the buttons on your FTC main controller you can check what your ecodan freeze function is set at? This is a quick che...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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)
Reply
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)
Reply
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)
Reply
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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