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SUNandAIR
SUNandAIR
@sunandair
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Noble Member
Joined: Dec 30, 2022
Last seen: Jul 9, 2025
Profile Activity
Topics: 5 / Replies: 495
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Reply
RE: Low Loss Header is losing 1.5c from flow temperature

Earlier post… from 4 months ago Can anyone help with some maths on estimating percentage of energy loss of DT….? After a summer break we are no...

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

Thanks For your help... There are a few characteristics which appear to differ from one HP make to another HP make. In this case the relevant charac...

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

Interesting.... we also have a Secondary pump. However both pumps are external and adjusted manually to reach the desired deltaT however this can vary...

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

That’s interesting so it sounds like it allows the HP to modulate to a lower output? It’s a little similar to the Mitsubishi Auto adaptive function.

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

Hi Ant87Im trying to understand how various manufacturers address control of DeltaT. Some heat pumps operate with external primary circulating pumps a...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low loss header

hi @batalto I’m interested in what you did in the end. Did you manage to remove your low loss header? What was the layout you chose. I’m thinking of l...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to turn ASHP heating off!?

Hi @tufty, If you’ve already prohibited the heating and you don’t live in a night freeze risk at this time of the year then why not just switch the ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to turn ASHP heating off!?

Hi @tufty there’s not a lot to be sure about when some info is estimated by ecodan program unfortunately. I think it’s as important to know what infor...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Jokes and fun posts about heat pumps and renewables

My heat pump installer was so impressed with the energy saving capabilities of the new generation circulating pump he installed 2 of them for me. He s...

2 years ago
Forum
Well & Truly Off The Grid
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RE: How to turn ASHP heating off!?

Hi @tufty It was handy to skim read some of your earlier posts to learn what equipment your system is using and what kind of thermostat you had. I ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to turn ASHP heating off!?

Hi I’ve just been reading a few of your earlier posts so I can see you’ve been getting familiar with quite a bit of your ecodan settings already. With...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to turn ASHP heating off!?

So if you can isolate additional energy use coming from your heat pump there cold be various things happening. This is difficult to advise on without ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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