SUN2000-43KTL-IN-C1
User Manual
Copyright © Huawei Technologies Co., Ltd.
After the positive and negative metal contacts snap into place, pull the DC input power cables
back to check that they are connected securely.
Step 2 Pull out the blue dustproof plugs from the ends of the DC input connectors.
Step 3 Ensure that the DC input voltage of each PV string does not exceed 1100 V DC using a
multimeter and check that the polarities of the DC input power cables are correct.
Figure 5-19 Measuring the DC input voltage
Before performing Step 4, ensure that the two DC switches are OFF.
Step 4 Insert the positive and negative connectors into the corresponding positive and negative DC
input terminals of the inverter until they snap into place, as shown in Figure 5-20.
After the positive and negative connectors snap into place, pull the DC input power cables
back to ensure that they are connected securely.