Forums

Forums
Members
Crimson
Activity
 
Notifications
Clear all
Crimson
@crimson
Member
Honorable Member
Joined: Jan 16, 2024
Last seen: Nov 13, 2025
Profile Activity
Topics: 4 / Replies: 279
AllTopicsReplies
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

They’ve selected a 50L buffer tank. Praying this works as at end of my tether with it all (as my last post’s tone indicates apologies). I went bac...

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

And just when I think great they’re coming next week to give this buffer tank install a go. They smash my confidence yet again.   Got a call ...

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

attached is prelagged in case indicates anything.   I’m extremely frustrated with the builder now as he made a throw away comment that had th...

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

Just to be clear this won’t be a Grant LLH/combo volumiser. This will be a 4 port 80L max buffer/LLH. Due to space limitations. They've made no mentio...

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

So an update…   Installers insist a replacement 80 litre buffer tank/LLH is required. They’ve sent me a schematic, from Grant Install pack ...

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

I hope out of all of this that I can run the system at a much lower flow temp.   Checked back through endless mails on calcs and it looks lik...

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

I’m looking at the diagram in the manual and nowhere is there a LLH, item 6 is a volumiser, on the return. No idea why they’re insisting on the LLH....

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

  It’s a 13kw Aerona3 (has 2 fans). Model: HPID13R32  

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

So Grant got back to me, and as suspected there’s no requirement for a LLH, but there is for a volumiser. They even said “volume is King”. I suspect t...

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

Thanks both. I’ll push gor thr glycol, 5% is 5% i cant lose.   I think further back in the thread I have pictures of the pump room and pictur...

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

I probably got that wrong, looks like the valve is for when a power outage happens?

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

  Thanks again JamesPa.   My memory is baffling at the moment but broadly I think the plumbers stated approx:   Front UFH zon...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Page 5 / 24
Share:

Join Us!

Podcast Picks

Latest Posts

Members Online

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