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fleurcules

@fleurcules

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Active Member

Joined: Dec 28, 2025
Last seen: Jan 20, 2026

Topics: 1 / Replies: 9

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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...

3 months ago

Forum

Air Source Heat Pumps (ASHPs)

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...

3 months ago

Forum

Air Source Heat Pumps (ASHPs)

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 ...

4 months ago

Forum

Air Source Heat Pumps (ASHPs)

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...

4 months ago

Forum

Air Source Heat Pumps (ASHPs)

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...

4 months ago

Forum

Air Source Heat Pumps (ASHPs)

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...

4 months ago

Forum

Air Source Heat Pumps (ASHPs)

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...

4 months ago

Forum

Air Source Heat Pumps (ASHPs)

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...

4 months ago

Forum

Air Source Heat Pumps (ASHPs)

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.

4 months ago

Forum

Air Source Heat Pumps (ASHPs)

Topic

Help needed with Grant Aerona 3 issues

4 months ago

Forum