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SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
6 System Commissioning
Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
64
Figure 6-2
Manual switching
Step 2
If there is a power grid outage, the SUN2000 in the grid-tied state shuts down.
Step 3
After you press the backup enable button, the SUN2000 switches to the backup state.
Figure 6-3
Pressing the backup enable button
Step 4
When the power grid resumes normal functioning, the SUN2000 keeps running in the backup
state.
Step 5
After you press the backup enable button again to release it, the SUN2000 switches to the
grid-tied state.