... inverter1000W stacking can achieve 4000W 300W Pure sine wave Grid Tie Inverter A.System Function 1,directly connected to the ... outage or shutdown).* Islanding protection: electricity disconnected, the inverter automatically shut down output.2,Green LED:* Green LED ... disassemble, Only qualified personnel may repair this product.---Please inverter installed in the low humidity and well-ventilated place ...