No. Check Item Acceptance Criteria
9 Installation environment The installation space is proper, and
the installation environment is clean
and tidy.
6.2 System Power-On
Prerequisites
● Wear personal protective equipment and use dedicated insulated tools to avoid
electric shocks or short circuits.
● Before turning on the AC switch between the inverter and the power grid,
check that the AC voltage is within the specied range using a multimeter.
● If the DC power supply is connected but the AC power supply is disconnected,
the inverter will report a Grid Loss alarm. The inverter can start properly only
after the power grid recovers.
Procedure
Step 1 Turn on the AC switch between the inverter and the power grid.
Step 2 (Optional) Remove the locking screw next to the DC SWITCH.
Figure 6-1 Removing the DC SWITCH locking screw
Step 3 Turn on the DC SWITCH at the bottom of the inverter.
Step 4 Observe the LED indicators to check the operating status of the inverter.
SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-
M3
User Manual 6 Commissioning
Issue 18 (2024-03-10) Copyright © Huawei Technologies Co., Ltd. 65
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