7
3-3 AC Connection
Pull the cables and connect L1/L2/L3/N/PE cables ends to the corresponding
terminal blocks. Fix the AC cable to the corresponding terminals with torque of
8…12 N
m.
3-4 DC Connection
Step 1
Check the connection cable of PV string for the correct polarity and that the
open-circuit voltage does not exceed the inverter input limit 1100V, even
under the lowest operating temperature.
•
Check the positive and negative polarity of the PV cells. After
confirmation, you can insert the DC connectors into the input terminals
on the bottom of the inverter.
•
For the same MPPT, reverse connection of a single string is prohibited.
A permanent failure of the system or inverter may follow if otherwise.
