Dump Load [RE-wrenches]

[Geoff Greenfield]

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I just (yesterday...) did a hot water dump load using a DC element (from
AEE, their 24-48 Volt unit - 60 amps at 24).  PAIN IN THE ASS! (oops I mean
butt).  Factor that into your plan...  Wanting to capture "extra" power from
PV when the batts are full is noble... and as a wind/hydro dump load
sometimes required.  Purchase a specialized wrench for the element - about
$30... we just couldn't get the leaks to stop with channel locks.  Tape and
dope the threads... the rubber washer that tank came with won't seat.  and
then think about clearance/wiring issues.  If they are not using the
electric you may be able to use the internal wiring at the J-box on the top
of the tank... but it is sized for 240 VAC and is (I think) about #12.  I
went with #6 for the DC to the HR and had a Hellacious time with crimped
terminals and very tight clearance at the element terminals... I am not
proud of the somewhat ghetto wiring and would put a $38 box of krispy Kremes
in the other side of the basement if an inspector were to visit... If it
were inspected I prob would have fabed some sort of Jbox onto the removable
cover, or slug busted it, but still - no room there. grrrrrrr.

Thanks all, I feel better now.

For a brighter energy future,

Geoff Greenfield
NABCEP Certified Energy Practitioner

THIRD SUN SOLAR & WIND POWER Ltd.
340 West State Street
Athens, OH 45701

www.third-sun.com
(740) 597-3111
End of RE-wrenches at topica.com digest, issue 1781

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