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The relay to protect the generator only works when the generator is
automatically started! A manually started generator has no protection
against backfeed. I had to set up a contactor to protect the generator
from backfeed from the AC coupled array. <br><br>
At 11:14 AM 5/13/2016, you wrote:<br>
<blockquote type=cite class=cite cite="">BTW, the ROCB also uses both of
your AUX relay options. Got called in to evaluate a 6 Radian AC Coupled
configuration with no charger controllers and 6 Fronuis. What a cluster
*%#%(^. The project was a very bad design from the beginning. That's what
happens when you ask a grid tied installer to give you a battery back up
solution. <br><br>
Christopher<br><br>
On Fri, May 13, 2016 at 10:37 AM, Drake
<<a href="mailto:drake.chamberlin@redwoodalliance.org">
drake.chamberlin@redwoodalliance.org</a>> wrote:<br>
<dl>
<dd>William and Wrenches,<br><br>
<dd>The lack of room in the GSLC becomes much worse when using the
factory installed AC coupling "solution" using the Remote
Operated Circuit Breaker or ROCB. This takes up 3 breaker spaces plus
puts two relays under the breaker column. I had to change out the ROCB
twice in the one system I installed. <br><br>
<dd>The ROCB "solution" takes AC coupling, which is essentially
straight forward and complicates it exponentially. Plus the ROCB itself
is prone to failure, which could ruin a set of batteries. There are
numerous other serious</u> problems with their approach. With
"solutions" like this one, who needs problems! <br><br>
<dd>Drake <br>
<dd>Â <br>
<dd>At 02:52 PM 5/12/2016, you wrote:<br>
<blockquote type=cite class=cite cite="">
<dd>Wrenches:<br>
<dd>Â <br>
<dd>The recent topic about bypass connections for the Radian is a very
pertinent issue for anyone designing a Radian system. The
problem is exacerbated by what I perceive is one poor design aspect of
the GSLC cabinet. <br>
<dd>Â <br>
<dd>I generally like the Radian series, including the GSLC. I do
find it puzzling that installers are expected to make connections to the
rear of panel mount circuit breakers. This has to be done blind
and in very tight quarters. This is further complicated by the
expectation that one will install AC and</i> DC circuit breakers in the
same panel.<br>
<dd>Â <br>
<dd>We have tried leaving slack on the leads so the panel can be rotated,
but that leaves more lead length than the cabinet will handle.ÂÂ
<br>
<dd>Â <br>
<dd>Our solution is to move all AC breakers out of the GSLC and into
adjacent, off-the-shelf load centers. <br>
<dd>Â <br>
<dd>We put the minimum PV breakers in the panel, located at the top for
maximum latitude on tilting the panel out for access. We also
pre-install the breakers in the panel in a bench vise with extra lead
length and install the panel as a unit, hopefully never requiring access
to the rear again.<br>
<dd>Â <br>
<dd>I applaud the GSLC as a decent product, but it does need improvement
in this area.<br>
<dd>Â <br>
<dd>Sincerely,<br>
<dd>Â <br>
<dd>William Miller<br>
<dd>Â <br>
<dd>Â <br><br>
<dd>Lic 773985<br>
<dd><a href="http://www.millersolar.com/">millersolar.com</a><br>
<dd><a href="tel:805-438-5600">805-438-5600</a><br>
<dd>Â <br>
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