Renewable Heating Hub Heat Pump Forums

Search with Wattson
Forums
Members
Crimson
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!

Crimson
@crimson
Member
Reputable Member
Joined: Jan 16, 2024
Last seen: Jan 28, 2026
Profile Activity
Topics: 4 / Replies: 300
AllTopicsReplies
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

So its clear temps are downward trending. Suspect nightmode off is the cause. its relatively cooler temps now outsife over night so I wouldn’t expec...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

  Sorry James a typo there. Eskimos CAN perform at a low delta t. Sausage fingers here. The 8C expected delta set by the Grant ASHP by default ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

@jamespa i think the challenge is in the house, its an existing 1970s structure thats been highly insulated, basically gutted and celotex up to 100...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

Thanks James, will get back to you.   as a reminder theret 3 zones. Ground floor front (5 rads), ground floor rear - UFH and first floor (rad...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

Not able to keep up with both posts but: Night mode was forced constantly. So not just at night but at 60% constantly, assume that's 60% modulation ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

  Thanks will do. Don’t expect a huge uplift in temps but looking at the at the app its clearly dropping and dropping. The WC we ensured was sa...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

  Thanks James. Am back Sunday night. Will put probes in. I do have probes on the 4 ports of the LLH, neglected to take a photo as the heatin...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

Seeing no effect from circulating pump replacement and no positive effect from 50L LLH upgrade To summarise history of this saga: LLH back to fron...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

He showed me a photo of 5-10l/min.   However am not convinced this pump was the issue. Realised I have photos of the flow setter from early ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

Ok he's told me he'd like to see depending on what it's doing between 18l/min - 28l/min. Have asked what it was like before

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

This is what I'm seeing during the DWH cycle currently.   Will check again from 4pm when heating is running  

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

I'm only seeing 22l/min on the flow setter with the hot water cycle running but I'm none the wiser if that's good or not…

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Page 4 / 26
Share:

SPONSORS

Join Us!

Installer Finder

Degrees of Separation

Latest Posts

SPONSORS

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