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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Sep 3, 2026
Profile Activity
Topics: 18 / Replies: 2987
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RE: Midea ASHP – how to set weather compensation

I noticed that too and thought the same thing, but then thought the DHW is only a small part of the overall energy use. The note alongside it suggests...

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

@pash44pump - I think the COP of 4.01 comes from the 'scope' document, and if so it is a SCOP:     which they say comes from the 'MC...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Testing new controls/monitoring for Midea Clone ASHP

The weather being what it is, gales then showers round here, I have used the time to plot the Midea OAT against the standalone RC-4 data logger OAT. T...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Testing new controls/monitoring for Midea Clone ASHP

I doubt it, many 'improvements' are quite the opposite. The problem with using this sensor at detailed enough resolution to see the spikes is that ...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Testing new controls/monitoring for Midea Clone ASHP

@benson - looks like good work, and thanks for posting here in sufficient detail to allow others to get started along the same lines if they want to d...

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

Mostly, I think, but with some caveats. I set the TIMER option (left most tab) on the Schedule Menu, not the WEEKLY SCHEDULE, just checking you hav...

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

@jamespa is right, typically they are far from linear, with most of the change in flow rate happening near total closure. Do be careful not to over-cl...

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

I think it is a bug in the code, it comes on even when there is no huge kettle immersion heater in the buffer. The Midea Msmarthome or whatever it is ...

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

I managed to find a perfectly good new but 'last years model' standalone one for £227 on Amazon in April 2024, and am miffed to see it is now only £17...

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

Yes, one outside in a sheltered place (mine was in a coal bunker of all places!), the indoor one I would initially put somewhere where the IAT matters...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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