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Painter26
@painter26
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Eminent Member
Joined: Feb 19, 2026
Last seen: Apr 29, 2026
Profile Activity
Topics: 1 / Replies: 28
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RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed?

My Teardrop icon is permanently visible but the temp on the left for me is always moving to reflect the current flow temp which mirrors the ideals of ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed?

To be honest I'm not concerned for myself but as I've got family staying at the moment I wanted to be a bit more diligent at keeping a slightly more r...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed?

@benson hi there. My aim has been to try and keep the tank at or close to 55 a few times a week so that it keeps the legionella danger zone out of rea...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed?

@cathoderay yes I kept touching the radiators every few mins as they got colder and colder during the DHW cycle. They then, almost instantly, became *...

2 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed?

  Not at the moment, thank you. I'm still not quite sure of the tolerance point at which the under 5 degree rule kicks in a reheat for the DHW ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed?

@cathoderay @jamespa I did a controlled experiment this evening: Manually turned on DHW to heat to 55 degrees It took 80 minutes to heat the tank...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed?

Thanks @cathoderay - my understanding too, although I take the petrol pump to mean the compressor is running to actively heat whatever it should be. A...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed?

Something I've never been sure of is whether the hot water 'squiggly lines' should always be visible even when you want space heating active. I unders...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed?

@jamespa @cathoderay it appears that it's only at the very end of the DHW cycle that it happens. I've only noticed it the last 2 days as I've been her...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed?

@cathoderay I spoke to him on the phone so haven't had a chance to show him but he did say it was a retrofit installation using old pipework and that ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed?

@cathoderay I'm not sure to be honest! I will ask the installer when he's next over.

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed?

@cathoderay ah yes, of course. I suppose there's no benefit then in me reading that analogue flow meter in practice, unless I need to verify the Midea...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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