• 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.
Step 9 Connect the DC input strings following the sequence of silk-screen
number 1 to number 18 on the bottom of the cabinet.
Bottom view
1+
1-
3+
3-
5+
5-
7+
7-
9+
9-
13+
13-
11+
11-
15+
15-
17+
17-
2+
2-
4+
4-
6+
6-
8+
8-
10+
10-
12+
12-
14+
14-
16+
16-
18+
18-
Step 10Insert the positive and negative DC connectors into the input terminals
on the bottom of the inverter until there is an audible sound.
Step 11Seal the unused DC terminals with waterproof plugs.
3-5 Second Protective Earth Terminal
There is a second PE terminal on one side of the inverter and it should be grounded.
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