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bontwoody
bontwoody
@bontwoody
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Noble Member
Joined: Mar 5, 2022
Last seen: Jul 6, 2025
Topics: 29 / Replies: 806
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RE: New Samsung 12KW Heat Pump Help

@mike-h Yes, totally agree about false reassurance Mike. I was thinking that an error would always be in the same direction but I guess that doesnt ha...

7 months ago
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RE: New 5kW Samsung Gen6 heat pump owner with loads of questions

@johnnyb No problem, glad it helped. So what flow temperature were you using on the heating last night? UFH is known to have quite a bit of hysteresis...

7 months ago
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RE: New Samsung 12KW Heat Pump Help

@mike-h Im not sure I follow you Mike. I can see that external temperature probes may differ from internal, especially if there is a long pipe run. ...

7 months ago
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RE: New 5kW Samsung Gen6 heat pump owner with loads of questions

I think the low dT is a consequence of the low flow temp you are trying to use, 1.5-2 is small but although a dT of 5 is often cited as optimum, i don...

7 months ago
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RE: New 5kW Samsung Gen6 heat pump owner with loads of questions

@johnnyb Thanks :-). I’m off out on a Xmas do tonight but will sit down and try to answer as many of your questions as I can tomorrow.

7 months ago
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RE: New 5kW Samsung Gen6 heat pump owner with loads of questions

@johnnyb This formula does seem a bit contenious, but the results do seem to me to be closer to what is expected (obviously not to everyone though see...

7 months ago
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RE: New Samsung 12KW Heat Pump Help

@dunlorn @mike-h So the original post comes from the Heat Pumps UK facebook site, reference to it are shown below. The seem to think that the si...

7 months ago
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RE: New 5kW Samsung Gen6 heat pump owner with loads of questions

@johnnyb So I think what might be happening is at the very low flow temperature you are trying to use, you cannot get the UFH to release enough energy...

7 months ago
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RE: New Samsung 12KW Heat Pump Help

@dunlorn @mike-h I’ll try and get the original post where this was stated as an excerpt was passed to me. unfortunately I don’t find that the Sa...

7 months ago
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RE: New 5kW Samsung Gen6 heat pump owner with loads of questions

Hi @johnnyb I have the same heat pump as you but use radiators not UFH. You should be able to run the UFH on a lower flow temperature than radiator...

7 months ago
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RE: New Samsung 12KW Heat Pump Help

@dinhp Ive just come across some info that improves your SCOP. I was dividing your Generation kWh / Usage kWh to get COP, but it appears Samsung hav...

7 months ago
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RE: Has anyone replaced an old ASHP with a new one?

@pressure Well mine was a new installation in this house, but if upgrading I would definitely install anti frost valves if you are using antifreeze so...

7 months ago
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