Last seen: Sep 11, 2025
@dwynwen - thank you. It is racketeering and it does need to be called what it is.
Yes and no. There is no routine data collection as there is with the primary circuit, but I have done brief manual IR thermometer measurements (on bla...
In other words beggars (the recipients of 'charity') can't be choosers. Not only is this morally unacceptable, it is a disaster for what we might call...
As others have said, you are very welcome here. Thanks for posting. As @jamespa has said, more info about your setup will help us to get to the bottom...
Being a recipient of 'charity' does odd things to our heads. As others have said, your installation wasn't free, it was just free to you, and someone ...
@judith - thank you very much. I take it the dips you can see in the mainly green chart you posted on the right above are defrosts, on the assumption ...
@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 ...
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