Huawei SUN2000 User Manual page 71

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
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.
Issue 01 (2018-05-21) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
6 System Commissioning
64