Electrical Connections - CanadianSolar CSI-100K-T400 Installation And Operation Manual

3. Installation
3) Align the mounting plate with the holes, Insert the combination bolt (M10 X 40)through the
mounting plate into the hole. Secure the bracket to the metal frame firmly with the supplied
fastener. 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 to open during
DC electrical connection. The labels located at the bottom of the inverter are described
below in table 3.1. All electrical connections are suitable for local and national standard.
Parts Connection
DC terminal PV strings
Ground terminal AC ground
Grid terminal
RS-485 terminal Communication cable
RJ45 terminal Communication cable
COM terminal Wi-Fi / Cellular stick
DC surge protection
device
Table 3.1 Electrical connection parts
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 - 6 mm² NA
25 - 50 mm² 10 - 12 N.m
Grid 50 - 185 mm² 10 - 20 N.m
0.3 - 4 mm² 0.6 N.m
NA
Network Cable
NA NA
NA NA NA
.17.