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Crimson
@crimson
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Joined: Jan 16, 2024
Last seen: Jan 28, 2026
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Topics: 4 / Replies: 300
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RE: Grant 13kW Aerona3 - issues getting zones to temp

@iancalderbank These 2 photos show pipe work to what is Bed 4 above this space

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

Sorry @derek-m , setting up a spreadsheet now.I reckon quickest I could do this is every 5 minutes due to the Grant panel takes time to actually get t...

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

Thanks Derek, I probably wasn't very clear. It's finding a time when a cycle actually runs that I'm finding difficult currently as it's not often. S...

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

Thanks @iancalderbank The plant room is lagged, that photo was taken prior to that being done and the LLH install being correct (Was wrong way round) ...

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

Hi Derek, sorry hadn’t got to that yet. I have some time off in a couple of weeks and should be able to do some proper calibration and mounting of pro...

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

Thanks all. I’ll try and summarise this back to builder - and list that back here. Playing devils advocate, if plumbers feel they’ve done instal...

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

Safe to say I don’t think upstairs is undersized rads. Hearing off over night and a number of windows open. Most rooms sitting at 18.5-19C. Landing 19...

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

@derek-m pipes connected seem same size. Honeywell valve detailed label was on bottom didn’t realise - attached. its a V4043H1056 I...

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

Photos of the downstairs valves. Note tonight I’ve actually turned off upstairs at the heatmiser as we’re just too hot upstairs. In morning going to...

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

Thanks Derek Longer runs to downstairs from trunk line - yes however - upstairs will have longer main tund total as the rear of downstairs is underfl...

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

Was surprised by them saying it was 22mm, this photo was the one that made me think the size differential between the main and branch to rads looked b...

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

Thanks @iancalderbank , we’re obviously past point of upping the pipes, am very frustrated they made such an error. however the upstairs uses same a...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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