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SUNandAIR
SUNandAIR
@sunandair
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Noble Member
Joined: Dec 30, 2022
Last seen: May 21, 2025
Profile Activity
Topics: 5 / Replies: 490
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RE: Mitsubishi ecodan settings

Hi @derek-m and @hotheat So just for fun... during the day I switched to fixed flow rate to see where our cycling would start at Ambient 10C. It’s j...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi ecodan settings

In theory energy used shouldn’t be the same since longer operation should be more efficient and less wear on the compressor. What would be really wort...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi ecodan settings

@hotheat The answer to your question would almost certainly be provided if you had access to the energy data which is missing. If you had the opportun...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi ecodan settings

@hotheat hi, I’ve worked out your T50 heating capacity of your radiators and added the extra rad you’ve had fitted. You have approx 25.3 kWh T50 ca...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi ecodan settings

Hi @hotheat, it’s been nearly a year since you started asking questions like the one above. I’ve seen your recent posts and looking at your system you...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pumps don't work: debunking myths & misconceptions

@editor Just some notes and Ideas.... Maybe a bit of easy maths can be interesting to the wider public, as well as educational. example A: Whe...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Optimising ecodan ASHP

I was wrong. It didn’t cycle until 2.10pm There’s was a bit of an increase to the flow temp at about 12.28pm But the room temperature has rema...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Optimising ecodan ASHP

@harriup On our system this morning, set temp has been passed by 0.5c and the current cycle is continuing. It is about 90 minutes long and still run...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Optimising ecodan ASHP

harryup it looks, to me, like a clever way to modulate when the HP Can’t operate at a low enough flow temp. It’s clearly shortened the cycle to 30 m...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Optimising ecodan ASHP

Very curious, this Rod Ive always understood from heat geek video that the poorest efficiency stage is at the beginning of a HP Operation cycle and ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

James, can you remind me what is your definition of setback, in terms of temperature? What are you defining as target daytime room temperature and wha...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

a second look for derek

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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