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cathodeRay
cathodeRay
@cathoderay
Moderator
Illustrious Member
Joined: Feb 28, 2022
Last seen: Sep 11, 2025
Topics: 17 / Replies: 2129
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RE: Heat Pump starting current

Here is the last 24 hours for my heat pump with amps added to the plot. Note that I do not have solar or batteries or inverters, just mains electricit...

8 months ago
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RE: Best temperature wave form for best economy and efficiency .

@ivanhoew - yes, I agree, still a work in progress on the graphs! Try to make them clearer eg clearer x axis labels, delta what? etc. It's also not cl...

8 months ago
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RE: Best temperature wave form for best economy and efficiency .

All that is good news, and I now understand what you are trying to do. I did try something similar, fixed flow temp instead of WC, not long after I ...

8 months ago
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RE: Best temperature wave form for best economy and efficiency .

I think this probably means it is on a server somewhere in China. It looks like very detailed data with very frequent data sampling, possibly every mi...

8 months ago
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RE: Best temperature wave form for best economy and efficiency .

I agree, and in at least some of the UK we are likely to see such conditions over the next few days. @ivanhoew - I am becoming unsure about what you...

8 months ago
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RE: Best temperature wave form for best economy and efficiency .

@ivanhoew - most if not all of what you need to understand your heat pump's behaviour is on the second chart. Here's an annotated version:

8 months ago
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RE: Best temperature wave form for best economy and efficiency .

The second lower one is marginally among purists perhaps more desirable, but as @judith says, you don't need to stress about this. I'm pretty sure t...

8 months ago
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