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Old_Scientist
@old_scientist
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Honorable Member
Joined: Jun 16, 2024
Last seen: Oct 12, 2025
Profile Activity
Topics: 6 / Replies: 286
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RE: Setback savings - fact or fiction?

@cathoderay I think it's safe to say you have far more data, and of a far higher quality than I. What you have measured agrees with my casual observat...

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

Thank you for sharing that data. The graph looks fairly conclusive to me, and my own rough data looks similar (I don't have detailed monitoring, just ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: buffer/volumizer cupboard space eater, do i need one?

@sunandair My volumiser is installed at position G in the common return. My understanding is that the volumiser is best placed on the return flow. H...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: efficiency factor of heat pump brands

I agree it's probably going to be difficult to obtain like for like data, and even if you can (and trust that data), it's unlikely that you will actua...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Samsung E101 Error Message and my ASHP Efficiency

Yes, same here. When the system is first turned back on after powering off, both heating and DHW are off and will need to be manually turned back on (...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Samsung E101 Error Message and my ASHP Efficiency

Glad you got it fixed. After a power loss, you can also get a communication error (not sure, but may also be E101) if the indoor panel cannot see th...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: The Definitive Guide to Weather Compensation and Curves for Air Source Heat Pumps

Samsung ASHPs For reference, Samsung calls it Water Law and simply allows setting the flow temperature at two points creating a weather compensation...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Oversized Ecodan

Yes, if you have battery storage and can flatten the import price, then ramping up in cheap slots and set back or switching off at more expensive time...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Oversized Ecodan

Are your emitters capable of emitting the heat being produced at a flow temp of 29C? If they are not, then the return temp will rise and narrow the dT...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Oversized Ecodan

I have an oversized (for my property) Samsung unit. I can only run constantly when the temp drops below 5C, and even then it gets too warm in the bedr...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: buffer/volumizer cupboard space eater, do i need one?

Agreed, but I would say we need to do far more than just meet the minimum recommended requirement. We have a similarly sized system to @adamk (12 larg...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What is this white plastic ring on my radbots?

My ECO4 installer did exactly the same - installed Radbots on all my radiators, and left me the regular TRVs which came with the radiator valves but w...

8 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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