[RE-wrenches] Outback FM100

[Lones Tuss]

Hello All



1.        I want to avoid AFCI unless mandated.  Will this be defeated if I don’t run the leads through the sense coil? (There is an AFCI and non-AFCI version but I can’t seem to find the non-AFCI version anywhere.)

     *   Yes, you can bypass the AFCI by simply not running the PV conductors through the sensor coil



2.        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?

     *   Here is a link to an App note that covers this situation
     *   http://www.outbackpower.com/downloads/documents/appnotes/fm100_fm80_app_note.pdf
     *

3.        Will the FM100 work with a standard hub?

     *   Yes, both HUB4 and HUB10.3, but firmware updates take almost an hour on the HUB4 because it’s slower.
     *

4.        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?

     *   Depends on the application, but all of our prewired load centers and systems come with 125A breakers.




I hope this helps take care all.




From: William Miller <william at millersolar.com>
Sent: Thursday, May 14, 2020 10:49 PM
To: RE-wrenches <re-wrenches at lists.re-wrenches.org>
Subject: Outback FM100

Friends:

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:


  1.  I want to avoid AFCI unless mandated.  Will this be defeated if I don’t run the leads through the sense coil? (There is an AFCI and non-AFCI version but I can’t seem to find the non-AFCI version anywhere.)
  2.  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?
  3.  Will the FM100 work with a standard hub?
  4.  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?

Thanks in advance.
William


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