Last seen: Aug 6, 2025
@judith - thanks. Can you get leaving and returning water temperature at one minute intervals? That would let us see frequency and duration of defrost...
Yes, I do. I also have glycol in the primary circuit, and use a specific heat capacity of 4.05 for that (I noticed you use 4.2 ie pure water). The sec...
No! I mentioned this in the post that has the download ("ignore them, along with some of the never change columns eg room_temp which is Midea's idea o...
Of course, that should be a key thing, warmer air can hold more water than cooler air. But in practice my heat pump seems to do much the same defrost ...
That is indeed what they are, though Midea calls readings from it the Outdoor ambient temperature. As ambient is in practice rather vague (does it mea...
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 ...
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...
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...
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