Renewable Heating Hub Heat Pump Forums

Search with Wattson
Forums
Members
SUNandAIR
Activity
 
Notifications
Clear all

Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!

SUNandAIR
SUNandAIR
@sunandair
Member
Honorable Member
Joined: Dec 30, 2022
Last seen: Mar 21, 2026
Profile Activity
Topics: 5 / Replies: 564
AllTopicsReplies
Reply
RE: Mitsubishi ecodan settings

You appear to have a low deltaT on both charts. It looks like a DT of 2.5C on one chart and DT2 on the other. This could be the HP modulating down and...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi ecodan settings

Yes it would be nice but I can’t report on COP from the MELCloud app which is all I’ve got. But I think the IAT was written in the post as Room Temp...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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 ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Page 25 / 48
Share:

Join Us!

Latest Posts

Members Online

Click to access the login or register cheese
x Powerful Protection for WordPress, from Shield Security PRO
This Site Is Protected By
Shield Security PRO →