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fleurcules
@fleurcules
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Joined: Dec 28, 2025
Last seen: Jan 20, 2026
Profile Activity
Topics: 1 / Replies: 9
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Reply
RE: Help needed with Grant Aerona 3 issues

Just to update the thread, I now have a new heat pump!! The Grant engineer came last Monday, and found that there wasn't enough gas in the system so l...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Help needed with Grant Aerona 3 issues

@adamp thanks. I've now spoken to someone from Grant and they are going to send someone out to replace the discharge temperature sensor. He seemed con...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Help needed with Grant Aerona 3 issues

Ok think I'm done tinkering, have gone back to WC mode. Under fixed temp settings the highest it got to was 36, then dropped back to 35/34. @jamespa ...

10 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Help needed with Grant Aerona 3 issues

@jamespa yep mentioned in my previous message I've disabled night mode. It was sitting at 35 for a bit, now up to 36. Although oddly the rads have j...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Help needed with Grant Aerona 3 issues

@jamespa Ok here's an update on today so far. The heat pump has been on since 6am, I have turned up the thermostat. I've taken multiple readings of th...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Help needed with Grant Aerona 3 issues

@jamespa we are not successfully heating hot water either. We thought we were, but have now realised that was only because the immersion was set to co...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Help needed with Grant Aerona 3 issues

@jamespa the readings I have taken so far have been when the heat pump is running (and had been running constantly for multiple hours), so I don't thi...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Help needed with Grant Aerona 3 issues

@jamespa thanks for your reply. It's an R32, exact model is HPID17R32. My reading of the manual is that the error could either be because of a senso...

10 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Help needed with Grant Aerona 3 issues

I forgot to add - when I was taking the flow/return temperature measurements, the outside temperature was reading at 6 degrees.

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Help needed with Grant Aerona 3 issues
10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 20
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