Renewable Heating Hub Heat Pump Forums

Search with Wattson
Forums
Members
JamesPa
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!

JamesPa
JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: May 19, 2026
Profile Activity
Topics: 24 / Replies: 4849
AllTopicsReplies
Reply
RE: Replacing my 18 month old Hitachi Yutaki ASHP

Apart from the oversized heat pump and the solar gain, do you have any other problems in terms of comfort or running cost? Im guessing it cycles a fa...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Replacing my 18 month old Hitachi Yutaki ASHP

Simon thanks. If you have the time perhaps you could look at the past 2 pages of posts. Essentially OP is operating his heat pump on a fixed flow ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Flow rate discrepancy between ASHP and manifold

Air release valves dont always work! You are gonna have to do some experiments if you want to know more, like closing loops down and seeing if that ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Replacing my 18 month old Hitachi Yutaki ASHP

Fair enough. I recommend quizzing him to get your money's worth!  

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Replacing my 18 month old Hitachi Yutaki ASHP

Wow thats a lot, I think Id be flipping the dips myself! I hope it all works out in the end. It should but as previously stated I cant guarantee. ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Replacing my 18 month old Hitachi Yutaki ASHP

  That all sounds good. Basically two switches to flip. Will the engineer visit for free? Its going to take all of 10mins including taking o...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Replacing my 18 month old Hitachi Yutaki ASHP

@jamespa Looking at setting up the weather compensation. I know from the building that 32C is fine for temperatures below 0C and 5C. But don’t k...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Replacing my 18 month old Hitachi Yutaki ASHP

I dont think it tells us anything else other than the time it takes constant for getting the slab to equilibrium at the specific flow temperature (whi...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help…my NIBE heat pump has faulted again!

If it happens only when it gets cold then it maybe that the heat pump tries to increase flow rate at lower outside temps/higher flow temps, and fails ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Page 107 / 407
Share:

Join Us!

Latest Posts

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 →