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

  No idea, they may have done that when did the 50L install, but didn't mention it. He was saying the primary circulating pump (one bottom ri...

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

…and it's not the water pump, ramped up to 28l/min - 30l/min, then quite soon after dropped to 20l/min. Thankfully Grant had the sense to also send ...

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

Shortly installer is coming to replace the offending pump &/or the pcb controller (can't remember the term).   1 living room sitting at 1...

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

  Oh completely, he even said without the hydraulic break either a secondary pump would have taken over or it just would have obviously not bee...

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

  That's good to hear. I truly hope this 10 minute replace of the pump will do the job and I can sign off this project and move on!  

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

Here it is:   (Ignore lack of lagging for now, they're coming back tomorrow/Friday to sort that)

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

Hi @toodles , hope you're keeping well! It's been plumbed in as a 4 port LLH/volumiser combination. Much to my annoyance when the specialist wanted...

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

@jamespa be very interested to know your thoughts on this. A 6L LLH replaced with a 50L one…could that cause more issues? I'll hopefully have the ...

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

So another update! The 50L is in, the plumbers flushed and refilled system. They ran it for a good couple hours, and…… …the Grant ASHP kept shor...

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

Gone with Fernox Alphi-11, relieves the installers concerns on no anti-freeze (glycol), and Eskimo got back to me saying it's all good. They've flus...

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

  They're here today, he brought both: Fernox F1 Fernox Alphi-11 - the one he'd like to use as combination inhibitor/anti-freeze  ...

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

Installers coming tomorrow. One has messaged messaging not got Fernox F1 but Fernox with antifreeze. What are thoughts on that? He’s happy for me to d...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Page 5 / 26
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