SUN2000-43KTL-IN-C1
User Manual
Copyright © Huawei Technologies Co., Ltd.
6 System Commissioning
6.1 Checking Before Power-On
1. The inverter is installed correctly and securely.
2. Check that the DC switches and downstream AC output switch are OFF.
3. Ground cables are connected securely, without open circuits or short circuits.
4. AC output power cables are connected correctly and securely, without open circuits or
short circuits.
5. DC input power cables are connected correctly and securely, without open circuits or
short circuits.
6. The communications cables are connected correctly and securely.
7. All the used connectors at the chassis bottom are sealed.
8. The AC terminal cover is reinstalled.
9. The maintenance compartment door is closed and the door screws are tightened.
10. Idle DC input terminals are sealed.
11. The idle USB port is plugged with a waterproof plug.
12. Idle AC OUTPUT and COM connectors are plugged and the locking caps are tightened.
6.2 Powering On the SUN2000
Prerequisites
Before turning on the AC switch between the inverter and the power grid, use a multimeter to
check that the AC voltage is within the specified range.
Procedure
Step 1 Turn on the AC switch between the inverter and the power grid.
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