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Old_Scientist
@old_scientist
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Joined: Jun 16, 2024
Last seen: Jul 25, 2026
Profile Activity
Topics: 6 / Replies: 479
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Reply
RE: Samsung weather compensation oddities

I believe the guys above have nailed it. I have a similar 12kW Gen6 Samsung and observe exactly the same. The heat that the ASHP is producing has to...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Determining correct flow rate?

That would be the more logical place to fit them, but ours is installed on the main return pipe back to the heat pump, so affects both DHW and heating...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Determining correct flow rate?

@rhh2348 My system has a 50L volumiser fitted in the main 28mm return pipework, which at the end of the DWH cycle will also contain 50L of hot (55C) w...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Determining correct flow rate?

This is exactly what I observe with my oversized Samsung when I run it in always on mode via the room stat calling for heat. If I set the WC curve t...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Determining correct flow rate?

Optimising flow rate for DHW heating is something I'd been thinking about over the summer, as we are only heating DHW at that time. My simplistic th...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Determining correct flow rate?

I don't I'm afraid - you could try looking up the specs of the Grundfos pumps online. My own system uses fixed flow rate Wilo pumps, with 3 differen...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Determining correct flow rate?

Have a look at John Cantor's excellent online calculators here (specifically the flow rate calculator): Heat (kW) = Flowrate (Litres/sec.) x 4.2 ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump monitoring - what are you using?

@njt As the Cosy peak rate (4-7pm) immediately follows a cheap slot, your battery should be fully charged and at least should avoid importing during t...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: COP or Cost Per kWh

Where I think COP is immensely useful is in giving a snapshot, either instantaneous or over time, of a system's performance, which can be useful in co...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump monitoring - what are you using?

Hi @declan90 We are in an almost identical situation to you (except I'm staying on Agile for now). ASHP installed in June, so this will be our first...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump monitoring - what are you using?

@bontwoody Thanks, that's the one and for other Samsung owners who may be interested I found loads more info here:

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump monitoring - what are you using?

Following this thread with much interest. @cathoderay I have a Samsung Gen6. I have an independent electricity meter showing ASHP usage. The numb...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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