2. Check correct polarity of connection cable from PV modules and PV input connectors.
Then, connect positive pole (+) of connection cable to positive pole (+) of PV input connector.
Connect negative pole (-) of connection cable to negative pole (-) of PV input connector.
Figure 3-11
Figure 3-12
3. Make sure the wires are securely connected.
3.3.4 Finally assemble
After connecting all wirings, please put bottom cover back by screwing two screws as shown below:
Figure 3-13