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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Oct 2, 2025
Profile Activity
Topics: 17 / Replies: 2189
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Reply
RE: 14kW Midea ASHP in an old leaky building

Indeed. Looking at page 72 of the Midea manual, the 12m figure is not the pipe run length, it's the vertical height ("Height difference is between the...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@batalto - having a secondary circuit also means having a secondary circulating pump, more £££ with no direct heat gain, ie system is more expensive t...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@kev-m - the IR thermometer gives my oral temp as 34 degrees, I am normally 36 degrees using a traditional mercury thermometer, not sure of the emissi...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@kev-m - The LWT and RWT are shown on the Midea Controller Operational Parameters pages, so are coming from the heat pump box, but I'm not sure where ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@batalto - I have a plate heat exchanger. Initially the installer or rather plumber had the flow going in the same direction on both circuits ie no co...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@derek-m - point taken about the wide operating range. Some observations this morning taken from Midea controller: Compressor current 9A, Heat pu...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@derek-m - interesting. Another example perhaps where quoted figures aren't always applicable to everyday conditions, as most of the time the meter wi...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@derek-m - on the leaflet that came with the meter under Performance Criteria it says "Accuracy: Class 1 / Class B" which needs translation... @bata...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@batalto - I got past the signing up bit (email and password), it's the PC <wired> router <wifi> Midea Controller bit that isn't working.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@derek-m - I think may be right, kWh are energy used, not power, I've watched it for a while the kWh figure never goes down, only up, and stays at wha...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@batalto - I'll see if I can find someone with an android phone who doesn't mind having the Midea app installed. I expect a phone will work, and you a...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@batalto - I did that (putting the controller in AP mode), followed instructions to the letter, tried to access it in Windows, but it still failed to ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Page 182 / 184
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