SUN2000-(33KTL, 40KTL)
User Manual
5 Electrical Connections
Issue 03 (2015-12-01)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
55
After inserting the crimped positive and negative power cables into the corresponding
insulation housings, ensure that the cables are in position by checking for resistance when a
slight pull is applied.
Step 4
Tighten the locking nuts on the positive and negative connectors.
Secure the nuts using a removal wrench, as shown in
Figure 5-17
.
Figure 5-17
Locking a nut
Step 5
Pull out the blue dustproof plugs from the ends of the DC input connectors.
Before performing
Step 6
, measure the voltage of the DC input strings using a multimeter.
Ensure that the voltage of each string is within the specified range (the voltage range varies
depending on the actual situation) and check that the polarities of the DC input power cables
are correct.
Before performing
Step 6
, ensure that the DC SWITCH is OFF.
Step 6
Insert the positive and negative connectors into the corresponding DC input terminals of the
SUN2000 until a "click" sound is heard, as shown in
Figure 5-18
.