Tuesday, July 20, 2010

Night working!

19 July: As I predicted, these Sunboxes continue to work late into the night - tonight they worked until just before 11pm. I have set them to require a temp of over 20ÂșC in the box, or a temp diff of 5 degs C. They don't work on cold summer days, but that's ok. In the winter they will work frequently but at a lower temperature range because the Heat Pump will be working more frequently, due to the heating load. At this time of year, the GSHP is working less than an hour per day, just for water heating.

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