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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Jun 1, 2026
Topics: 18 / Replies: 2920
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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?

Don't forget that here I am talking about the secondary pump. But I think the argument still applies, the secondary delta t has to do a merry dance to...

3 months ago
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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 it is just another Grundfos manual on one of those manuals.lib sites, the wording in the description is all but the same. It is a slightly dif...

3 months ago
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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 agree that is what it suggests, but what confuses me is that it then says it moves up and down on the curve, which is constant (from page 15 of that...

3 months ago
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RE: Designing heating system with air to water heat pump in France, near Lyon

Indeed, and that is why I write my own code. Python can be very neat, particularly with one liners that manage to remain human readable. A bonus is th...

3 months ago
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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?

No external control. The pump, a Grundfos UPM3 Auto 25-70 130 ZZZ, is currently running on 'CC1', 'constant curve 1'. The Grundfos manuals are as clea...

3 months ago
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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?

Possibly, though from memory the number has always been static, even before I added my auto-adapt script. This has long been and still remains a ...

3 months ago
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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?

Interesting. Mine is still showing 40°C, but the current set LWT as read over modbus is now 35°C, and the actual LWT is 31°C. It certainly makes more ...

3 months ago
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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?

@painter26 — you must make your own decision on all the facts available to you including the presence or absence of people with underlying health cond...

3 months ago
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