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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

Latest situation:Installer attended, couldn't get it working, states the Compressor is at fault now/other parts. He informed Grant. So Grant calls...

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

Thanks for ckarifying.   the installers seem to have a reprieve as manufacturer intervention/parts have failed.   however none of th...

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

But why did pressure plummet? on Monday gauge didn't read 0. But flow setter did. so much for the hydraulic separation of the LLH…

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

  thanks. Just heard a big clunk. secondary pump is now off. P1 error on the Grant panel  

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

Yep just builder. Seeing as he hasn’t officially instructed heat specialist. Specialist would be under him also. Been misled, given false statemen...

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

And just been in pump room, observing only. 0 flow. Barely above 0 bar pressure. Gurgling noise in LLH. Air coming out LLH (automatic air release ...

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

@jamespa Saga continues. On way home told by builder need to give installer 7 days to setup and monitor system. Inform him take issue with this, ...

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

Seriously doubt they've even applied for it as it has a 120 day period by looks of it. Utter lunacy this has got to this point. Specialist tells m...

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

I’m probably at my mental limit with this. Queried builder that specialist has in fact been booked in tomorrow and he’s sent a message along lines o...

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

  Unfortunately this is the ONE day this month I can’t even arrange a call due to work commitments at the time. What I’ll do however is ask the...

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

Saga continues. PCB replaced by installer. In fairness to him was overwatched by builder and did his best, F5 error on panel. Couldn’t get it runnin...

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

ASHP switched off per specialists guidance. Seems the blacked out flow setter I was reading wrong…There was zero flow on it. It’s on the return side. ...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
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