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<p>I've installed a few FM 100s. Seem to work fine, and nice to
wire arrays 6 in series, but we do have to use the higher voltage
rated breakers on the PV side. We have had them mixed with other
controllers and haven't had problems, but we do Not use the HUB or
ever interconnect them. We've found by not interconnecting the
controllers that we have redundancy, and any single controller (or
Comm) failure is not going to take the entire charging system
down. <br>
</p>
<p> It has no onboard screen, so you need the Mate 3 to program
them. We pull the Mate 3 after programming and just keep it on the
truck to save customers the $600.00. They can buy one later, if
they decide they want to tweak settings all the time. (not
happened yet.)<br>
</p>
<p>We always use 100 amp DC breakers that are 100% duty cycle
rated. ON the battery side, the regular Midnite or Outback type
150 vdc work fine. <br>
</p>
<p>On AFCI, I believe it can be set to "off" in the programming, but
I'm not in front of one right now, so that's just based on my
failing memory bank. However, I too do not like GFCI and AFCI for
ground mounts unless mandated. I've seen all sorts of weird
issues even on the AC side of the system end up tripping the
charge controller off. In the case of the FM100, the GFCI is
accomplished with a fuse, which are hard to come by locally. <br>
</p>
<pre class="moz-signature" cols="72">Ray Walters
Remote Solar
303 505-8760</pre>
<div class="moz-cite-prefix">On 5/15/20 1:48 AM, William Miller
wrote:<br>
</div>
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<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Verdana","sans-serif"">Friends:</span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Verdana","sans-serif""> </span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Verdana","sans-serif"">I
have occasion to try the FM100 charge controller. I am
wondering of anyone had found any quirks with implementing
this device. I have a few specific questions:</span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Verdana","sans-serif""> </span></p>
<p class="MsoListParagraph"
style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span
style="font-size:12.0pt;font-family:"Verdana","sans-serif""><span
style="mso-list:Ignore">1.<span style="font:7.0pt
"Times New Roman""> </span></span></span><span
style="font-size:12.0pt;font-family:"Verdana","sans-serif"">I
want to avoid AFCI unless mandated. Will this be defeated
if I don\u2019t run the leads through the sense coil? (There is
an AFCI and non-AFCI version but I can\u2019t seem to find the
non-AFCI version anywhere.)</span></p>
<p class="MsoListParagraph"
style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span
style="font-size:12.0pt;font-family:"Verdana","sans-serif""><span
style="mso-list:Ignore">2.<span style="font:7.0pt
"Times New Roman""> </span></span></span><span
style="font-size:12.0pt;font-family:"Verdana","sans-serif"">I
noticed the manual indicates you are not supposed to mix the
FM100 with the FM80 or 60 in the same battery system. This
negates it for one project I had in mind. I am curious as
to why this is. Anyone know?</span></p>
<p class="MsoListParagraph"
style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span
style="font-size:12.0pt;font-family:"Verdana","sans-serif""><span
style="mso-list:Ignore">3.<span style="font:7.0pt
"Times New Roman""> </span></span></span><span
style="font-size:12.0pt;font-family:"Verdana","sans-serif"">Will
the FM100 work with a standard hub?</span></p>
<p class="MsoListParagraph"
style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span
style="font-size:12.0pt;font-family:"Verdana","sans-serif""><span
style="mso-list:Ignore">4.<span style="font:7.0pt
"Times New Roman""> </span></span></span><span
style="font-size:12.0pt;font-family:"Verdana","sans-serif"">I
suppose this unit requires a 125 amp breaker. If the PV
array cannot support that full 100 amps I might down-size
the OCPD accordingly. Anyone contemplate this question?</span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Verdana","sans-serif""> </span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Verdana","sans-serif"">Thanks
in advance.<br>
<br>
</span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Verdana","sans-serif"">William</span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Verdana","sans-serif""> </span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Verdana","sans-serif""> </span></p>
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