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JamesPa
JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Oct 8, 2026
Topics: 27 / Replies: 5466
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RE: Plug and play solar. Thoughts?

You cant expect Joe Public to know anything about the matters you mention. So the unit itself must protect a) Joe Public b) Grid workers c) the ...

8 months ago
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RE: Rate the quality of your heat pump design and installation

Really? Do you think that would work in practice or would mcs just produce lots of stats to show how well they are doing resulting in lots of good wo...

8 months ago
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RE: Need help maximising COP of 3.5kW Valiant Aerotherm heat pump

In general terms programming a target temp shifts the WC curve which also features a 'minimum flow temperature' parameter. So will programming 5C tar...

8 months ago
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RE: Plug and play solar. Thoughts?

My thoughts are that, so long as it can be made technically safe, it should be legal, not require planning permission and not require MCS. Basically ...

8 months ago
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RE: Why Buffer Tanks & Low-Loss Headers Can Sabotage Your Heat Pump's Efficiency

Without doing some horrendous modelling, or fabricating some transparent tanks, I would think that there is quite a significant risk that the upper se...

8 months ago
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RE: Rate the quality of your heat pump design and installation

As you say it's meaningless babble. Fwiw I doubt we need mcs standards at all given part L of building regulations which, unlike mcs standards, are...

8 months ago
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RE: Rate the quality of your heat pump design and installation

@cathoderay I think you may have misunderstood what I was getting at which perhaps I didn't make clear. Both @batpred and I touched, albeit very ...

8 months ago
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RE: Need help maximising COP of 3.5kW Valiant Aerotherm heat pump

I get the question and what you are trying to do, I will think about the best way to do this and make a suggestion once I have. A timed 'deep' setbac...

8 months ago
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RE: Vaillant app under reporting flow temperature

No idea then, it's inconceivable that the app and live monitor use different sensors!  

8 months ago
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RE: Setback savings - fact or fiction?

That is true of course, but when there are multiple questions to be answered and only limited time to answer them, choices have to be made. As it ha...

8 months ago
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RE: Setback savings - fact or fiction?

Quite. There is a significant part of me that says, if an effect is so small that it takes this much effort to dig it out of the noise in the data, ...

8 months ago
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RE: Rate the quality of your heat pump design and installation

That's true without a doubt. But let's turn it round. When did technical qualifications of the mp figure highly in votors decision making? My impre...

8 months ago
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