28
NOTE
Good grounding for the
inverter
helps resist the impact of surge voltage and
improve the EMI performance. Connect the PGND cable before connecting
the AC power cables, DC power cables, and communications cables.
5.1.2 Procedure of grounding
Step 1 Remove an appropriate length of the insulation layer from the PGND cable using a
wire Stripper; the length is a little bit longer than that of OT terminal’s crimping end by
2mm~3mm, as shown in Figure 5.1.
Figure 5.1
Remove the insulation layer
Step 2 Insert the exposed core wires into the crimping area of the OT terminal and crimp
them using hydraulic pliers, as shown in Figure 5.2.
Figure 5.2
Crimping OT terminal (unit: mm)
Step 3 Remove the ground screws from the ground points, as shown in Figure 5.3.
Figure 5.3
Remove the ground screws
