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cathodeRay
cathodeRay
@cathoderay
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Illustrious Member
Joined: Feb 28, 2022
Last seen: Sep 13, 2025
Profile Activity
Topics: 17 / Replies: 2131
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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)
Reply
RE: Buffer tank required? Samsung 12kW heat pump

@mike-h - none of this makes much sense. You might as well ask these 'engineers' what the best way to Tipperary is. I have a plate heat exchanger rath...

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

I know! That's why I made the observation I did, and then said its early days ie only three data points. As a matter of interest, what did you use t...

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

@batalto - I respect Freedom's right to be B2B (they said the same thing to me, when they were telling me to get lost) but that doesn't mean I think i...

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

@batalto - to my simple mind it should be linear, and I think I am right in saying the energy/flow/specific heat formula assumes it is but I can't arg...

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

Ouch. I have currently got the hour by hour monitoring running, and will try to do some calculations tomorrow afternoon, once the 24 hour period ha...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Page 164 / 179
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