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cathodeRay
cathodeRay
@cathoderay
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Illustrious Member
Joined: Feb 28, 2022
Last seen: Nov 21, 2025
Profile Activity
Topics: 17 / Replies: 2352
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Reply
RE: Buffer tank required? Samsung 12kW heat pump

@hughf - mine's a bit older, mid 1700s with later additions. All solid stone walls with the exception of the extension I added. Single glazed with a m...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Buffer tank required? Samsung 12kW heat pump

@editor - a local firm, I've been at pains not to drop him in it because he has been very helpful throughout (I would recommend him), though I think a...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

@derek-m - I currently have the system running mostly but not exclusively in WC mode. The room stat is set high-ish (19 degrees) and most of the time ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

@derek-m - yes, it does, thanks, apart from one question/observation: what happens if the secondary pump isn't running, because the room stat isn't ca...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

@derek-m - I'm still confused by the minimum volume requirement, and how Freedom's plate heat exchanger requirement fits with that. Graham Hendra's ar...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

The results from the 24 hour test run are in. The ambient temps from the local weather station and the Midea app are in very close agreement, suggesti...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

@batlto - agreed, that makes sense, and is definitely an improvement, but there are also other significant factors eg my old poorly insulated building...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

They are not that far off, though. What your plot does show is that for any given ambient, having a constant flow temp rather than weather comp is les...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Buffer tank required? Samsung 12kW heat pump

It is typical Freedom obfuckstration, balderdash and confusion. It's obvious that LLHs, buffers and PHEs are not the same thing when it comes to hydra...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP in Hampshire

Hey ho indeed. Glad my Stilson is still in the toolbox. I think you once mentioned a Freedom Midea app, as opposed to the Midea app. It seems @graha...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP in Hampshire

@batalto - I've also put this on the Samsung buffer thread, but am adding it here as it is also relevant here: I've just had a look at Freedom's lat...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Buffer tank required? Samsung 12kW heat pump

And here are the figures: bore capacity of 28mm pipe (copper, mine is plastic, but will be near enough the same)= 0.54L/m x 12 = 6.48L plus whatever i...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Page 182 / 198
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