Search with Wattson
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: Sep 20, 2026
Topics: 27 / Replies: 5412
Reply
RE: Heat pump's integral circulator pump

I have recently been pondering, while trying to help another participant in the forum, why some heat pumps bother to modulate the water pump to mainta...

2 years ago
Reply
RE: advice on excessive shortcycling and overall efficiency

As you say should be straightforward, good luck with the work!

2 years ago
Reply
RE: advice on excessive shortcycling and overall efficiency

I forgot you had a LLH and secondary pump. Is the service technician who visited proposing to remove it or leave it and add a buffer tank/volumiser i...

2 years ago
Reply
RE: advice on excessive shortcycling and overall efficiency

Yes, just blank off the unused ports. As you have fancoils I would put the volumiser in the flow, not the return, it might just soften the experienc...

2 years ago
Reply
RE: Fujitsu Waterstage WOYG160LJL Air Source Heat Pump

No problem if you want to ask more questions but without a doubt leaving these things from time to time is a good idea. only by doing so do you get t...

2 years ago
Reply
RE: Heat pump's integral circulator pump

Why does it matter if the flow changes a bit, so long as its sufficient to carry the required energy? Mine certainly changes from time to time. No n...

2 years ago
Reply
RE: Share Your Experiences with Heat Pump Manufacturer Support

Not really, and thinking of them this way can mislead. Its also misleading to think of the heat pump sending a fixed amount of heat. It sends hot wa...

2 years ago
Reply
RE: Share Your Experiences with Heat Pump Manufacturer Support

That's actually two priorities, lwt and flow temperature are the same thing. If the radiators demand more heat, the only way it can maintain ft i...

2 years ago
Reply
RE: Fujitsu Waterstage WOYG160LJL Air Source Heat Pump

@barrovian1963 yes. Not ideal but not disastrous either. There are tricks to increase the period/reduce the frequency eg increase flow temp hysteris...

2 years ago
Page 294 / 454
Share:

SPONSORS

Join Us!

Installer Finder

Degrees of Separation

Latest Posts

SPONSORS

Members Online

Click to access the login or register cheese
Protected By
Shield Security PRO