Hi Hilton What controller did he use?
Jay Peltz power Sent from my iPhone On May 14, 2013, at 5:22 PM, Hilton Dier III <hiltond...@gmail.com> wrote: > A friend of mine lives off grid with PV and wind. He added a shunt-type > controller to his battery bank and connected it to a DC heating element in > his hot water tank. Below a set voltage the element is dormant. When the > battery bank hits a high voltage (at the end of a particularly sunny day or > during a windy spell) the element comes on. That way, instead of just a PWM > shutoff and wasted energy, he gets some benefit. > > I wouldn't deliberately install PV just for hot water, but in an off grid > situation where the excess would go to waste, it makes sense. > > Hilton > -- > Hilton Dier III > Renewable Energy Design > Partner, Solar Gain LLC > 453 East Hill Rd. > Middlesex, VT 05602 > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Change email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org >
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