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3. Installation
3) Align the mounting plate with the holes, Insert the hexagon bolt (M10X40)through the
mounting plate into the hole. Secure the bracket to the metal frame firmly.
Torque the nut to 36FT-LB (35NM).
Figure 3.13 Construction bolt
4) Lift the inverter above the bracket and then slide down to make sure they match perfectly.
Figure 3.14 Mount the inverter
.16.
3.4 Electrical Connections
Inverter design uses PV style quick-connect terminal. The top cover needn't be opened
during DC electrical connection. The labels located the bottom of the inverter are described
below in table 3.1. All electrical connections are suitable for local or national standard.
Parts
Connection
DC terminal
PV strings
Ground terminal
AC ground
Grid terminal
16pin COM Port
Communication cable
4pin COM Port
Datalogging Stick
Table 3.1 Electrical connection symbols
The electrical connection of the inverter must follow the steps listed below:
1. Switch the Grid Supply Main Switch (AC) OFF.
2. Switch the DC Isolator OFF.
3. Connect the inverter to the grid.
4. Assemble PV connector and connect to the Inverter.
3. Installation
Torque
Cable size
4-6mm²
NA
25-50mm²
5-6N.m
Grid
35-70mm²
10-20N.m
0.75-3mm²
0.4-0.6N.m
NA
NA
.17.
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