Huawei SUN2000-111KTL-NHM0 User Manual page 70

SUN2000-111KTL-NHM0
User Manual
Step 7 Insert the positive and negative connectors into the corresponding DC positive and
negative input terminals of the solar inverter.
Figure 5-18 Connecting DC input power cables
If the DC input power cable is reversely connected and DC switches are set to ON,
do not immediately turn off the DC switches or reconnect the positive and
negative connectors. Otherwise, the device may be damaged. The caused device
damage is not covered under any warranty. Wait until the solar irradiance declines
at night and the PV string current reduces to below 0.5 A. Then, turn off the three
DC switches, remove the positive and negative connectors, and rectify the
connection of the DC input power cable.
Issue 09 (2023-12-18)
Figure 5-17 Testing the insulation resistance between all PV– cables and the
ground
NO TICE
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5 Electrical Connections
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