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JamesPa
@jamespa
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Joined: Apr 3, 2023
Last seen: Nov 9, 2025
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Topics: 18 / Replies: 3316
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RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump

Was there any more detail or it that it? Its over 8kW, and by the time they make an allowance for DHW they would be able to argue for 12kW based on t...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: What is the best strategy for operating a very oversized heat pump?

I have to agree that in many cases ToU tarrifs will dominate. I guess I should've framed the question as 'in the absence of ToU tarrifs!

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?

Not sure about this. The heat pump sees the water returning from the fins, which will be at a temperature determined by the defrost process not any t...

8 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Volumisers in Heat Pump Systems: Does Placement Matter?

Not sure about this. The heat pump sees the water returning from the fins, which will be at a temperature determined by the defrost process not any t...

8 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Anyone able to provide some feedback before I make my finale decision? Samsung vs Baxi vs Vaillant

@eliuccio Unfortunately, whilst I agree with a lot of what is said above, I dont agree with all of it. For clarity: Firstly Whilst I agree t...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Volumisers in Heat Pump Systems: Does Placement Matter?

Whilst I agree with the final conclusion (flow side placement appears to be best, perhaps with the exception that if the volumiser is outside the insu...

8 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: What is the best strategy for operating a very oversized heat pump?

It makes sense, although shows a complete lack of thought on the part of the designers (which is disappointing) about the things that they could do, w...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump

No need for apologies, just cautioning about getting too hung up on all of the mistakes (of which there appear to be plenty enough to make a case) and...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung Gen 7 R290 12kW is not behaving how I expected

Definitely its in the 20xx FSVs. Conversely it may be that you need to reduce 2022/2032 further as well as changing 2093 so it operates on pure WC. ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Setback savings - fact or fiction?

@sunandair I don't want to get embroiled in an argument, but I am interested in finding a tolerably robust answer to the question that can be applied ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What is the best strategy for operating a very oversized heat pump?

I think most heat pumps have this mode but I cant see how it can reduce cycling, unless there is something weird in the control logic (which is possib...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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