SPF 4-12KT HVM introduction
1. SPF 4-12KT User Manual Download
2. There are 2 kind of control board: 80A and 120A ( Charging current )
120A ( You can confirm Control board type based on inverter nameplate )
it has 2 independent Buck MPPT trackers. It means that you must divide PV input strings into 2 PV input terminal seperately. Make sure that each MPPT tracker current can’t exceed 60A
80A ( You can confirm Control board type based on inverter nameplate )
Just 1 Buck MPPT tracker. 2 PV input terminals are working in parallel.