SUN2000-(33KTL, 40KTL)
User Manual
5 Electrical Connections
Issue 03 (2015-12-01)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
44
It is recommended that the ground cable be connected to a nearby ground position. For a
system with multiple inverters connected in parallel, connect the ground points of all
inverters to ensure equipotential connections.
Procedure
Step 1
Remove an appropriate length of the insulation layer from the PGND cable using a wire
stripper, as shown in
Figure 5-1
.
Figure 5-1
Stripped length (unit: mm)
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 a cable (unit: mm)
The crimping must result in full containment of the cable conductors and complete contact between the
cable conductors and the terminal.
Step 3
Remove the ground screws from the ground points.
Step 4
Secure the PGND cable using the ground screw and tighten the screw to a torque of 5 N·m
using a socket wrench.