7 Power-On and Commissioning
● Wear personal protective equipment and use dedicated insulated tools to avoid
electric shocks or short circuits.
7.1 Powering On the Inverter
Precautions
Before the equipment is put into operation for the rst time, ensure that the
parameters are set correctly by professional personnel. Incorrect parameter
settings may result in noncompliance with local grid connection requirements and
aect the normal operations of the equipment.
● If the DC power supply is connected but the AC power supply is disconnected,
the SUN2000 will report a Grid Loss alarm. The SUN2000 can start properly
only after the power grid recovers.
● If the AC power supply is connected but the battery is not connected, the
SUN2000 reports a Battery Abnormal alarm.
Procedure
Step 1 If a battery connects to the battery port, turn on the battery switch.
Step 2 At the AC switch between the inverter and the power grid, use a multimeter to
measure the grid voltage and ensure that the voltage is within the allowed
operating voltage range of the inverter. If the voltage is not in the allowed range,
check the circuits.
SUN2000-(8K, 10K)-LC0 Series
User Manual 7 Power-On and Commissioning
Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd. 75
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