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Painter26
@painter26
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Joined: Feb 19, 2026
Last seen: Mar 27, 2026
Profile Activity
Topics: 1 / Replies: 21
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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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RE: Midea R32 Monobloc MHC-V12W in 1989 Detached House: Noise from Pipes/Airing Cupboard, DHW Schedule Not Always Heating – Advice Needed?

Ah, thank you. I was clearly looking at the wrong thing. I've found it (right way up!) and it seems to correlate broadly with the Midea controller (...

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

The pig tail loop you refer to is what I was told by the installer to open both valves to increase the pressure (and thus the gauge that's attached to...

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?

Thank you @cathoderay . The system was indeed supplied by Freedom (or at least the Midea handover booklet also has their logo on it!). Now, I didn...

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 a lot @cathoderay - I've learned a lot from yours and others' posts on this forum. Does the occasional 'drip' sound from the system sound nor...

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