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

Thanks JamesPa, Sorry for my lack of understanding on terms/2 port v 4 port etc. Just unsure then why the installer insists on this LLH if the man...

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

Not sure then, I’ve been reading the manual and it does state it needs a volumiser, and even suggests options for low volume systems (why they didn’t ...

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

A quick google states the Grant Aerona3 requires a low loss header as a mechanical break as part of Grant’s install package - I suspect they’re using ...

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

Thanks @JamesPa, I think the external volumiser suggestion - supposed to be insulated - was on assumption no space inside but yesterday’s visit it was...

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

I’ll check which version the Grant is, suspect like you thats what the specialist is seeing - that there’s no requirement. Antifreeze valves the ins...

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

  @jamespa - the Grant ASHP isn’t being replaced, the 13Kw will remain, apologies if I wasn’t clear. The heat specialist was experimenting with...

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

Thanks both. I’d forgot to detail that pump speeds either side of the LLH (Grant one and one in pump room). A lot of experimenting with different sp...

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

Thanks @jamespa, I think over the almost 3 years we’ve attempted running all zones (Ive spent many hours with settings, balancing rads, closing off ...

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

It’s been a while since last gave an update…   After a couple visits from a heat specialist, and revisits to the calcs. It’s been concluded t...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What is a considered a decent weather curve for running weather compensation?

So with a flow temp maxing at 42C, managed to get living rooms to almost 21C at points in the day. 44C started to overheat one of the rooms so some g...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What is a considered a decent weather curve?

Thanks Gary, I'll do that with the Drayton balancing key. I know the plumbers turned down the actual lock shield a bit as well so combined should rea...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What is a considered a decent weather curve?

Thanks Gary, I'll then look at killing off the setback to see if can run it lower (I say it switches off, I have the hallway panel it go down from 23C...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Page 6 / 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 →