Forums

Forums
Members
JamesPa
Activity
 
Notifications
Clear all
JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Jan 16, 2026
Profile Activity
Topics: 20 / Replies: 3945
AllTopicsReplies
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

You are correct you dont need the second pump if there is no LLH/Buffer (unless there is a 'head' problem with your downstream system) Its entirely ...

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

He may need to tweak a couple of settings. There is definitely on the r290 a setting for no system separation/buffer/llh. Don't know what it does (I...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Odd noise in our Ideal Logic ASHP

I love (and will use) that analogy!

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Low COP and unevenly heated rooms with 12kW Samsung AE120MXTPEH / AE260TNWTEH

Where is the noise coming from. If its the pump then perhaps somehow put some insulation around the pump. If its the rads, is it the valves. or the ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Automation options to maximuse efficiency & ToU tariffs

If you are asking what is available to the non geek householder to optimise for ToU tarrifs, its Homely, Havenwise or Adia. To the best of my knowled...

3 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

Yes. I expect Grant specify a 'minimum system volume' which is the minimum permitted engaged (ie open) volume including the volumiser. Most manufact...

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

Which is logical, albeit 30l is a bit small. The manual it seems is clear which trumps anything the installer says and TBH anything the grant helpli...

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

Volumiser totally different to buffer or llh. Volumiser 2 ports, buffer/llh 4, volumiser doesn't cause system distortion, doesn't penalise COP, buffe...

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

R290 has an explicit installer setting for 'no buffer'. It couldn't be clearer!  

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

They arent one offs, but they will empty the system in part if they go off. Better than making it work less well by filling with Glycol. Some argue ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Odd noise in our Ideal Logic ASHP

These are well respected pumps so far as I know. Only one radiator on sounds very wrong, this should never be allowed to happen and is almost bound...

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

He is right. Better to eliminate it altogether. Is the Grant the R290 or the R32? The instructions for the R290 (which as it happens I was reading ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Page 72 / 331
Share:

Join Us!

Worth Watching

Latest Posts

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