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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Oct 13, 2026
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Topics: 18 / Replies: 3071
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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?

Exactly, the petrol pump icon, or left handed one armed bandit as I sometimes call it, indicates the compressor is running (and so active heating is t...

8 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?

I think that is correct, and it is what happens on mine. I think the squiggles mean 'on' but not necessarily 'active' which is how you can have squigg...

8 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?

Which is what I would expect. When I do a manual DHW re-heat, the switch over from space to DHW heating and back again usually appears to happen as sh...

8 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?

The system should have been flushed, ideally power flushed, before recommissioning with the heat pump. My system also has glycol in it, and as you can...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

@alexandersmither — this is now actually a rather old thread, last post before yours was over two years ago. A more recent thread is here (and the jur...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea ASHP – how to set weather compensation

I have been both a black sheep and a white sheep, as part of my attempts to determine whether setbacks save energy/money. At the moment I am a sort of...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea ASHP – how to set weather compensation

OK, got it. I've also checked the R290 manual @tasos kindly made available, and I too can't see anywhere in the FOR SERVICEMAN menu to set the WC end ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Midea ASHP – how to set weather compensation

Is this (setting the LWT, where the lower limit is 35 degrees) on the home/main page? If so, this has sort of come up before and I think it may be imp...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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