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

@william1066 yes there’s are three sensors in total but only 2 are needed to activate the pump for the solar circuit. one is mounted in the roof top...

3 years ago
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RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

Another way I thought of checking efficiency was how long the DHW reheat took. Since there are less chances of cycling etc. So I set up a forced DHW...

3 years ago
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RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

As @cathoderay says, there’s a lot of mixed feelings about the risks especially in an unvented system with high useage. It’s fascinating how how even ...

3 years ago
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RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

It looks like the Legionella routine is only calendar schedule driven with user selected options such as an adjustable 15 day cycle or less. Temperatu...

3 years ago
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RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

Hi @derek-m - you mean I could have got a free handout 😱 🤣🤣. Yes I guess the rush for car charging and battery storage does make it more versatile... ...

3 years ago
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RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

Sounds like I will have to look into this. We have a Solar wet system plumbed into the second heat exchanger of our DHW tank (you may have seen the ri...

3 years ago
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RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

You’re comments sound very defeated... Surely there has to be some usefulness out of all the information generated. When we first got data out of our ...

3 years ago
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RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

At one level it made sense to me that the lines should disappear since they are not just temperature readings.... they also represent a snapshot of en...

3 years ago
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RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

gotaASHP our plumbing engineer was excellent his pipe work and layout was a work of art. But the electrical side of things was a different story. I gu...

3 years ago
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RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

Isn’t it madness? I don’t recall “self commissioning” being written in to the contract when I bought this expensive piece of kit? Still, this group...

3 years ago
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