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cathodeRay
cathodeRay
@cathoderay
Moderator
Famed Member
Joined: Feb 28, 2022
Last seen: Sep 6, 2026
Topics: 18 / Replies: 3000
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RE: Heat Pump starting current

Of the charts that I posted on 17/01/2025 at 8:46 am, the first two are normal cycling, the second two are defrost cycles. The way I identify defrost ...

2 years ago
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RE: ASHP for small garage and workshop

OK here the data for 0600-0659 in the chart I posted earlier today at 10:13 (actually its 0559-0658 because each row is the trailing minute, but what...

2 years ago
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RE: ASHP for small garage and workshop

It already exists, you can't have a chart without numerical data behind it! I'll post it shortly, after I've added the kWh columns. The way my data co...

2 years ago
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RE: Heat Pump starting current

Someone after my own heart. We do try to stick to the 'there is no such thing as a stupid question, the stupid thing is not to ask' way of doing thing...

2 years ago
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RE: Heat Pump starting current

I agree, always be sceptical, always question whether what you think you see is what is actually going on. I think another pertinent question here is ...

2 years ago
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RE: Heat Pump starting current

That is indeed possible, but if there is an inrush it must be very short (and so does it really matter?). I sample every minute, @ivanhoew samples eve...

2 years ago
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RE: ASHP for small garage and workshop

I think they are! The DT (delta t) isn't 25 degrees, its the difference between the LWT and the RWT which is a lot less and changes all the time, and ...

2 years ago
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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...

2 years 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...

2 years ago
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