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Nathan,<br>
<br>
I don't think anyone makes a 100-amp PV GFP. The panel mount breaker
model that's being used for the PV GFP doesn't include a 100-amp
breaker.<br>
<br>
The Classic has a built-in GFP so you shouldn't need an external GFP
for it. You will need to add a GFP for the FM60 - a single 80-amp
GFP would work.<br>
<br>
You can use the dual 80-amp GFP and shut down both PV arrays at the
same time if the GFP is wired to disconnect the PV array from the
charge controller input. That's where Outback's instructions used to
show the GFP, and it is a better place for it than on the charge
controller output anyway. Midnite's instructions show the GFP on the
charge controller input, but their 80-amp GFP is a single.<br>
<pre class="moz-signature" cols="72">Kent Osterberg
Blue Mountain Solar, Inc.
<a class="moz-txt-link-abbreviated" href="http://www.bluemountainsolar.com">www.bluemountainsolar.com</a>
</pre>
<br>
On 4/17/2012 11:08 AM, Nathan Stumpff wrote:
<blockquote
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<p class="MsoNormal">Wrenches,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">In a job coming up I have a customer with
an existing FM60 controller, 520 watt (!!) array. We are
doing a ton of work, including adding a 4 kW solar array with
Classic 150 charge controller. I am trying to figure out how
to handle the GFP.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">For the Classic, I need a 90 or 100 A
output breaker minimum. 80 A is not an option. The OutBack
dual GFP is 80 A, and so it not an option.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Is there a 100 A GFP breaker assembly I
have just never seen? Is there a way to use the Classic’s GFP
to run an external relay via AUX (to trip the FM60 output
breaker at the same time)? Any ideas?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal">-Nathan<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">--<o:p></o:p></p>
<p class="MsoNormal">Nathan J. Stumpff - Arctic Sun, LLC<o:p></o:p></p>
<p class="MsoNormal">NABCEP Ceritified PV Installer #091209-175<o:p></o:p></p>
<p class="MsoNormal"><a moz-do-not-send="true"
href="mailto:nathan@arcticsun-llc.com">nathan@arcticsun-llc.com</a><o:p></o:p></p>
<p class="MsoNormal">Office: 907/457-1297<o:p></o:p></p>
</div>
<br>
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