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BobTSkutter
@bobtskutter
Member
Estimable Member
539 kWhs
Joined: Jan 11, 2025
Last seen: Feb 27, 2025
Topics: 1 / Replies: 85
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RE: Is My Midea Heat Pump Inherently Defective?

So, I'm thinking out loud here - this is a way I often approach solving complex problems: I've got a house at 10C and I turn on the heating. Where ...

1 month ago
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RE: 4 port buffer tank connections

I don't own a heat pump, unless you count a fridge freezer. But it does appear as though the defrost operation of ASHPs isn't often spoken about. It...

1 month ago
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RE: 4 port buffer tank connections

Yeh, I did really didn't I. Regards Bob

1 month ago
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RE: Is My Midea Heat Pump Inherently Defective?

Evening...I got the spreadsheet. Blimey, there aren't many people I know who know how to use named ranges - very nice 😉 It'll take me a while to g...

1 month ago
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RE: 4 port buffer tank connections

Why do buffers get such a bad press? They aren't evil, they're just not properly designed. I buffer should hold a volume of heat and absorb swings ...

1 month ago
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RE: Is My Midea Heat Pump Inherently Defective?

@JamesPa OK, I'll give it a go (no promises), point me in the direction of what you're trying to solve. Edit: Just had a thought, one technique I u...

1 month ago
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RE: Is My Midea Heat Pump Inherently Defective?

@cathoderay Ah OK, sounds like an interesting way to observe heat loss. I didn't mean to step on people's toes. I'm looking forward to seeing more d...

1 month ago
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RE: Is My Midea Heat Pump Inherently Defective?

Heat transfer through objects can be determined by the equation: Q = U.A.DT Q = Energy transfered, kJ U = Heat Transfer Coefficient, kJ/m2/C A...

1 month ago
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RE: Double heat pump for DHW?

A slight distraction: But just to show what high temperature heat pumps can really do! Bob

1 month ago
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RE: Double heat pump for DHW?

Ah....yes, sorry. The spreadsheet is actually a generic calculation. My comment "the ASHP power at 12kW" was me trying to say "I've limited the inpu...

1 month ago
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RE: Is My Midea Heat Pump Inherently Defective?

I find myself hoping for cold weather and more data 😉 Bob

1 month ago
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