I'm starting to think... I have 36 panels total (12 on the roof, 12 on the ground, and 12 im not using). And I'm wondering if I can somehow wire in more of these panels to get full usage of this LV6548. I have a max 8000 watt input, and I rarely see over 4000 watts and have never seen over 4200 watts.
How can I do this safely?
Edit: im doing the math now, my current array is 205VOC (measure with a multimeter), which means each panel is 34.16v, and 7 panels would be 239v, which is less than 250v max. I know it's dangerous to get close to that limit, but its doing nothing but getting hotter here, and soon we will be seeing 80-85* at 3 am. It gets very hot here, so I think I'll be safe until later in the year.
Also, I see im never pulling more than 14-14.5amps continously, and after talking with Ian, these units can safely be overpanneled to 23a (instead of the advertised 18a max). Well, 14.5a/2 (because of the 2 parallel strings = 7.25a each string, and 7.25x3 = 21.75a.
So with this little math I've done, I have proved i can safely hook up a 7s3p system and use 21 of the 24 panels total? To check my math and also not go over the 4000watt limit per PV input, 21 panels x 166 watts (which is what I'm currently averaging per panel) = 3486 watts. So as long as I don't get over 190 watts per panel (which so far has been unattainable), then im good.