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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Oct 25, 2026
Profile Activity
Topics: 18 / Replies: 3076
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RE: 14kW Midea ASHP in an old leaky building

Very informative. Unfortunately I was tied to using a Midea unit, by virtue of it being baked into the planning and listed building consents. The Mide...

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

Indeed it is, but it is currently summer, so no need for 16kW, plus I am wary of voiding my warranty because I have tinkered with the settings, hence ...

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

@derek-m - thanks for posting this spreadsheet again, it is worthy of many postings! Total Heating Elements output (at delta t 50, ie fossil fuel delt...

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

It's a long story, spread out over many months, and covered in some detail in earlier posts in this thread. In summary, it was specified by my install...

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

You may well be right, but I don't think I can be sure, because two things changed, but not quite at the same time: the outside temp and the heat pump...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Features

Just tried again, and it worked. I did change the Met Office WOW link from a raw url (https:// etc) to am embedded link (some text with an embedded li...

4 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: 14kW Midea ASHP in an old leaky building

Some evidence that the Midea 14kW unit can't quite cope at low ambient temperatures... I have finally got round to plotting hourly room temps vs out...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Features

Will do, but the firewall is wrong, there was nothing that could be even remotely considered to be cross site scripting in the post, any more so than ...

4 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: New Features

The post has both an image and a link in it. I tried the image (it's just a chart) as both a png and a jpg and a pdf, and de-url'd the link (. -> d...

4 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: New Features

@editor - Sorry to post this here, but I am getting an error when I try to post on another thread: A potentially unsafe operation has been detected ...

4 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Name and shame heat pump installers that have done shoddy work

@witchcraft and @editor - congratulations to both of you on getting this out there.

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

I buy my paint from a decorators merchant, but when I have a particular technical question about the product that goes beyond what a jobbing decorator...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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