8 System Maintenance
8.1 System Power-O
Precautions
After the SUN2000 powers o, the remaining electricity and heat may still cause
electric shocks and body burns. Therefore, put on protective gloves and begin
operating the SUN2000 ve minutes after the power-o.
Procedure
Step 1 Send a shutdown command on the app.
Step 2 Turn o the AC switch between the SUN2000 and the power grid.
Step 3 Turn o the DC switch at the bottom of the SUN2000.
Step 4 (Optional) Install the locking screw for the DC switch.
Figure 8-1 Installing a locking screw for the DC switch
Step 5 Turn o the DC switch between the SUN2000 and PV strings.
Step 6 (Optional) Turn o the battery switch between the SUN2000 and batteries.
----End
SUN2000-(2KTL-6KTL)-L1
User Manual 8 System Maintenance
Issue 04 (2021-04-01) Copyright © Huawei Technologies Co., Ltd. 81
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