Now the parallel arrays make sense. If more than one was producing at the same time, it would never have worked.
If all 3 arrays were the same, the two shaded ones would have the chance to add a few watts while the 3rd worked.
The panel spec sheet earlier in this thread doesn't have the temperature coefficient, so I used the default in the Midnight calculator. Says you'll go over 150 volts at 60f. Should probably look at getting another charge controller real soon!
There's plenty of other string sizing tools. This is the one I use.
MidNite Solar is the industry leader and manufacture of quality Renewable Energy System electrical components and E-Panels.
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If you haven't been through a winter yet, nows a good time to make sure you aren't 3 months from blowing up that charge controller ?
Don't over react! They only kill everyone on the internet that read about it, but we all get to point and say "I told you so" as our last dying breath.