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

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

6 months 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...

6 months 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...

6 months 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...

6 months 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 ...

6 months 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...

6 months 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...

1 year 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...

1 year 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...

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

I've created a separate thread to discuss WC settings as feel that's a more specific topic. Still waiting on installers to come and sort that airloc...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
What is considered a decent weather curve for running weather compensation?
1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 5
Views: 1165
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

Yeah, I’m just concerned that the design of the system is 40C at -3C ambient, if I keep pushing up percentage wise I’m getting quite above that and wo...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Page 8 / 26
Share:

Join Us!

Worth Watching

Latest Posts

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