I'm wondering how many of you out there have installed medium sized
solar hot water systems (6-8 panel) that were designed to stagnate
during summertime over production as opposed to diverting to a heat
dump or radiator? The International solar agency has a couple of
papers that show a properly designed system should be able to stagnate
in a way that the boiling glycol mix vapors in the panels, purge the
panels of fluid, turning off the system without degrading the glycol.
That doesn't seem to be a typical way to design systems in the U.S. ,
we've usually gone to a heat dump. Does anyone have experience with
this?
Troy Harvey
---------------------
Heliocentric
801-453-9434
tahar...@heliocentric.org
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