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cathodeRay
cathodeRay
@cathoderay
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Illustrious Member
Joined: Feb 28, 2022
Last seen: Sep 15, 2025
Profile Activity
Topics: 17 / Replies: 2133
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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)
Reply
RE: Buffer tank required? Samsung 12kW heat pump

I rest my case. Not only do Freedom think their installers are thick (can't do sums), they think their end users are thick as well. It must be frightf...

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

@batalto - interesting.

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

Sounds as though it may well be some sort of average. The ambients I will be using come from weather stations, I have one near enough to me to be good...

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

@batalto - Freedom's 2020 Quick Installation Manual (page 6) for Midea ASHPs is very clear (up to a point - are LLHs, buffers and PHEs really the same...

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

Interesting. I take it the most likely reason for the increase is the removal of the LLH. It will be interesting to see how flow temps and COPs are af...

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

Good luck trying to get any sense out of Freedom. I have found them to be remarkably unhelpful, arrogant dinosaurs would be the polite way to put it. ...

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

Hopefully the rounding errors will cancel out over time, so summed usage over a longer period will be more accurate, unless it always rounds up or dow...

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

@derek-m - good point, I will see if I can pull that out from the weather data as well. It may have cloud cover or hours of sunshine or something I ca...

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

The problem I think is recording the data, which is only on the controller Operation Parameters pages, not in the app. Yes I could sit in front of the...

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

@batalto - I now also have historical data showing up, all seems to be working. The app claims that so far today I have put 10kWh in, and got 40kWh of...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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