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cathodeRay
cathodeRay
@cathoderay
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Illustrious Member
Joined: Feb 28, 2022
Last seen: Sep 10, 2025
Profile Activity
Topics: 17 / Replies: 2125
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RE: Is My Midea Heat Pump Inherently Defective?

I agree, but is that by design or by accident? There is also some evidence of overshoot at the end, not beginning, of the cycles in the chart I posted...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is My Midea Heat Pump Inherently Defective?

@jamespa - agreed. But never one to sit still, I have been thinking about another possible cause for the low OAT deficit, which does involve, indeed i...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is My Midea Heat Pump Inherently Defective?

@jamespa - all agreed, even most of the part in the middle about the PWM cable connection/disconnection test, with the minor difference that while the...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is My Midea Heat Pump Inherently Defective?

I don't think we are far apart, what differences there are are down to semantics and writing styles. I note you tend to use explicit often bracketed c...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is My Midea Heat Pump Inherently Defective?

To I hope clear up some points: I can say what I like (within the usual limits) but equally I am open to refutation! This is actually a woolly bi...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is My Midea Heat Pump Inherently Defective?

Perhaps the most interesting period in the chart is not when the heat pump is misbehaving, but when it is behaving, ie running at steady state, eg be...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is My Midea Heat Pump Inherently Defective?

Thanks. In reply: The flow temps are high by design. The rads (all rads, no UFH) are as large as can be (and are are all bar two K3s) but the height...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Is My Midea Heat Pump Inherently Defective?
8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 151
Views: 12581
Reply
RE: Real world connection to a heat pump over modbus

Part 4: Software Installation - OS (operating system) and Home Assistant Disclaimer(and this is entirely my fault): because I did my own install...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Outcome for 2024 - with Agile, ASHP, PV, Batteries, EV

Great, and good luck! Do take your time, the old think three times, measure twice and cut once routines. If you have any questions, don't hesitate to ...

8 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
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