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- Dec 25, 2011
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Cheers. Can't help thinking "Unistrut" looking at all this!This might be the type of thing you are after.
http://www.navitron.org.uk/store/solar-panels-hot-water/solar-ancillaries/roof-mounting/roof-mounting-kit-for-2x-hfc2-panels
stops small birds nesting in your roof
I made my own BTW...
good roof pitch.
I'm not sure, but if the water is getting too hot I think they re-circulate the hot water, or it gets sent to a radiator to dissipate heat.
From what I've read and heard the "issue" if you can call it that is that these things can produce too much hot water.
I've been to a couple of systems where the panels are outputting far more than the tank/system can dissipate and so everything just gets ridiculously hot (like >100°C hot). Best/easiest option is to dump the heat into the radiators, or at least have a decent heat leak radiator.
I've seen some places selling what are clearly standard rads as heat dumps.
So what happens with the above diagrams in the event of an overheat as there's no heat dump? Does the glycol go to the expansion vessel effectively purging the system of heat transfer fluid albeit temporarily?
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