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cathodeRay
cathodeRay
@cathoderay
Moderator
Famed Member
Joined: Feb 28, 2022
Last seen: Sep 6, 2026
Topics: 18 / Replies: 3002
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RE: Getting the best out of a heat pump - is Homely a possible answer?

I agree, and not only does it allow you to read a lot of data, you can also use the same connection to write to Midea heat pumps. I do most of my stuf...

2 years ago
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RE: What’s your ASHP delta T?

This is of particular interest to me at the moment, as I am trying to work out how my Midea heat pump controls (modulates) its output in response to c...

2 years ago
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RE: The UK’s Heating Nightmare: Why Many Systems Fail Homeowners

The Brave New World of local micro electrical grid management... not to mention globalised infrastructure. The President of China's ally Nort...

2 years ago
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RE: Who's your electricity provider and what's your tariff?

This is insane! What happens when it breaks down (because it will)? What happens when it gets hacked (because it will)? What happens when workin...

2 years ago
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RE: The good, the bad and the not that great – my heat pump installation

On the face of it, perhaps, but we do want the pump to take all the heat the heat pump is delivering. But 'set to max' is a bit opaque to say the leas...

2 years ago
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RE: In the Bleak Midwinter... Midea heat pump performance, poor COP and windchill in action

A similar pattern happened again last night and into this morning, low overnight OAT, followed by rapid rise in OAT fooling the heat pump into thinkin...

2 years ago
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RE: The good, the bad and the not that great – my heat pump installation

That's actually not too bad, or, to put it another way, your heat pump can output enough heat to heat your DHW tank at an acceptable rate. The Freedom...

2 years ago
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RE: The good, the bad and the not that great – my heat pump installation

And total duration, as I can't see the time anywhere, to get from 20 to 45 degrees DHW tank temp? Agree the flow rate effectively remains constant. ...

2 years ago
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RE: In the Bleak Midwinter... Midea heat pump performance, poor COP and windchill in action

This has been the focus of much interest. It is located somewhere in the outside box, but I have yet to discover exactly where. Nonetheless, it is not...

2 years ago
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RE: In the Bleak Midwinter... Midea heat pump performance, poor COP and windchill in action

@jamespa - a very interesting analysis. I think the key thing is the duration of the cold spell, if long enough (more than a day?), in effect the hous...

2 years ago
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RE: In the Bleak Midwinter... Midea heat pump performance, poor COP and windchill in action

@jamespa - I'll extract the November data, including the independent OAT sensor, probably later today, and send you a copy. November has been quite a ...

2 years ago
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