Huawei SUN2000-55KTL-HV-D1 User Manual page 50

SUN2000-(55KTL, 60KTL) Series
User Manual

If the voltage is a negative value, the DC input polarity is incorrect. Correct the polarity.

If the voltage is greater than 1500 V, too many PV modules configured to the same string.
Remove some PV modules.
Step 4 Pull out the blue dustproof plugs from the ends of the DC input connectors.
Before performing
Step 5 Insert the positive and negative connectors into the corresponding positive and negative DC
input terminals of the SUN2000 until they snap into place.
1. After the positive and negative connectors snap into place, pull test to the DC input cables
is recommended.
2. Only after at least one PV string correctly connects to the MPPT1 circuit, the SUN2000
enables the DC input detection function. Therefore, you are required to connect DC input
power cables to the MPPT1 circuit first.
Figure 5-15 Connecting DC input power cables
Issue 02 (2017-07-30)
Step 5, ensure that the two DC switches are OFF.
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5 Electrical Connections
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