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LUNA2000-100KTL-M1 Smart Power Control System
User Manual
● If the external DC switch of the Smart PCS has been turned off automatically,
● If the AC switch between the Smart PCS and the power grid has been turned
● Before power-off for maintenance, do not touch the energized components of
Procedure
Step 1 Wear proper PPE.
Step 2 Send a shutdown command on the SUN2000 app, SmartLogger, or management
system.
Step 3 Turn off the AC switch between the Smart PCS and the power grid.
Step 4 Open the AC maintenance compartment door, install a support bar, and use a
multimeter to check the voltage between the AC terminal block and the ground.
Ensure that the AC side of the Smart PCS is powered off.
Step 5 Turn off the DC switch between the Smart PCS and the ESS.
Step 6 Open the DC maintenance compartment door, install a support bar, and use a
multimeter to check the voltage between DC terminal blocks. Ensure that the DC
side of the Smart PCS is powered off.
Step 7 Wait for 15 minutes and troubleshoot or repair the Smart PCS.
Figure 8-3 Power-off for maintenance
----End
Issue 07 (2023-07-15)
CA UTION
do not turn it on until the fault is rectified.
off automatically, do not turn it on before the fault is rectified.
the Smart PCS. Otherwise, electric shocks or arcs may occur.
Copyright © Huawei Technologies Co., Ltd.
8 Device Maintenance
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