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adding a FM60 to an FP1

Posted: Wed Dec 04, 2013 11:41 am
by Ryan
We are going to be installing a FP1 with the VFX3648 inverter, FM80 charge controller. We have 21 Grape solar 250w panels.... only 15 can go on the FM80 so we are adding an additional FM60 for the other 6 panels. They will be charging 12 -200AH batteries.

What changes to to FP1 do I need to make for the addition of the extra charge controller?

Thanks for the help

Re: adding a FM60 to an FP1

Posted: Tue Dec 10, 2013 10:40 am
by dhamilton
You will need to add an additional PV breaker and switch from the single GFDI to the dual GFDI.

Re: adding a FM60 to an FP1

Posted: Wed Dec 11, 2013 11:17 am
by Ryan
Thanks,

I will post some pictures after it is installed

Re: adding a FM60 to an FP1

Posted: Tue Jul 29, 2014 9:25 am
by Ryan
Here is the finished (to this point) installation.
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I say "to this point" because the client called today and wants to extend the battery bank. We will be adding an additional cabinet and 12 more batteries shortly. It has been working flawlessly since we put it in.

Re: adding a FM60 to an FP1

Posted: Sat Dec 20, 2014 5:22 pm
by csteel
Nice install, when adding 2nd charge controller is it not necessary to change settings so both work together without conflict?

Re: adding a FM60 to an FP1

Posted: Tue Feb 14, 2017 9:51 am
by solar17
We would like to do a similar upgrade - add a FM80 charge controller to our FlexPower One - but I believe on a call with Outback Tech Support they said the MATE can't read another device and the display wouldn't be accurate - ? Is someone able to please clarify how we can overcome this?

Also - is someone able to detail further the change out from single to dual GFDI? Many thanks!

Re: adding a FM60 to an FP1

Posted: Tue Feb 14, 2017 5:39 pm
by Mike Curran
On page 6 of the Mate user manual (Rev A copyright 2007) it says "a single Outback Mate can ...link to as many as ten FX series inverter/chargers, OutBack charge controllers (my emphasis) and additional future Outback Power System products". I believe it handles extra CC's the same way as multiple FX's, through port assignments.

As far as dual GFDI, the one I installed in 2007 already has an extra breaker ganged for dual use (see schematic photo). If you're lucky yours may too.
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