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cathodeRay
cathodeRay
@cathoderay
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Illustrious Member
Joined: Feb 28, 2022
Last seen: Sep 7, 2025
Profile Activity
Topics: 17 / Replies: 2115
AllTopicsReplies
Reply
RE: Undersized ASHPs & Unbelievable energy bills

@batalto - I absolutely agree about the effects of assumptions. While heat loss calculations in theory can be accurate, all sorts of assumptions do ge...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Undersized ASHPs & Unbelievable energy bills

@batalto - these wide ranges (mine went from 9kw to 16kW) are illustrative of the problems with design. The designer/installer should do a full heat l...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Undersized ASHPs & Unbelievable energy bills

@howiewsl - sadly 'utter nightmares' are all too common, both for the design stage and the installation stage. Even MCS registered installers are perf...

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

@batalto - I'm glad I gave it a try, and thanks for suggesting it. If I ever get round to finding a way of getting at the controller data directly, I'...

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

@batalto - long overdue update on the Midea app: could not get an emulator to work, most are very buggy, all are bloatware, virtual wifi/bluetooth (of...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The new heat pump grant – boiler upgrade scheme (BUS)

I agree with the views being expressed here about the chaotic nature of this industry and the volume of ignorant and/or bad practice, made worse by to...

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

@batalto - I think I get what you are saying - there's an extra layer I wasn't aware of, the internet connection. I thought it was all 'in house' ie l...

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

@batalto - OK, will do next time I have a friend round with an android phone. But I'm still a bit confused: When I connect (in Windows) I put in t...

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

@batalto - I now have a USB wireless adapter for my PC and it can see the Midea Controller (again, the SSID shows as net_c3_xxxx rather than midea_c3_...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The new heat pump grant – boiler upgrade scheme (BUS)

I don't see this working very well either. In many, maybe even most, installations, the rads will need upgrading, because the scheme requires the ASHP...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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)
Page 175 / 178
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