6.2 Powering On the SUN2000
Precautions
● Before turning on the AC switch between the SUN2000 and the power grid, use
a multimeter to check that the AC voltage is within the
specied range.
● If the solar inverter has not been running for more than half a year after being
mounted, it must be checked and tested by professionals before being put into
operation.
Procedure
Step 1 Turn on the AC switch between the SUN2000 and the power grid.
If you perform Step 2 before Step 1, the SUN2000 reports a fault about abnormal
shutdown. You can start the SUN2000 only after the fault is automatically
rectied.
Step 2 Turn on the DC switch at the bottom of the SUN2000.
Step 3 Connect a mobile phone that runs the SUN2000 app to the inverter using a
Bluetooth module, a WLAN module, or a USB data cable.
Figure 6-1 Connection mode
● Purchase a Bluetooth module or a WLAN module bundled with the inverter. A Bluetooth
module or a WLAN module purchased from any other source may not support
communication between the inverter and the SUN2000 app.
● Use the USB data cable delivered with the mobile phone. The port type is USB 2.0.
● The screen snapshots in this document correspond to app 3.2.00.001 (Android).
SUN2000-(70KTL, 75KTL)-C1
User Manual 6 Commissioning
Issue 09 (2020-10-12) Copyright © Huawei Technologies Co., Ltd. 67
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