I have been running two EG6500 inverters without problems, PV1 3S2P, PV2 4S. I just added two more panels to each inverters PV2 inputs. 385w, 49v, 9 amps panels in series. 6 panels got around 239v and dropped my wattage. I tried 5 panels and when my input voltage gets around 190v, it cuts the...