Huawei SUN2000-250KTL Series User Manual page 67

SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series
User Manual
Step 1 Wear proper personal protective equipment (PPE).
Step 2 Turn on the AC switch between the SUN2000 and the power grid.
Step 3 Set ONE-OFF SWITCH at the bottom of the SUN2000 to ON. When you hear a
click, the switch is completely turned on. Observe the LED indicators.
Step 4 If the PV connection indicator is steady green, set DC SWITCH 1 and DC SWITCH
2 to ON. Observe the LED indicators to check the operating status of the
SUN2000.
If the PV connection indicator is off 1 minute after the SUN2000 is powered on, do
not turn on the DC SWITCH. At the same time, turn off ONE-OFF SWITCH
immediately and check whether the input power cables are reversely connected or
whether the input voltage meets the startup voltage requirements. After the fault
is rectified, run the
disconnect ONE-OFF SWITCH and contact technical support engineers.
Step 5 If the SUN2000 is running properly, turn off ONE-OFF SWITCH.
ONE-OFF SWITCH needs to be turned on only when the system is powered on for
the first time and needs to be turned off during subsequent operation.
Step 6 Set the parameters on the app or SmartLogger. For details, see
with the App
Figure 6-1 Power-on
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Issue 02 (2022-12-20)
Step 3
NO TICE
or the SmartLogger user manual.
Copyright © Huawei Technologies Co., Ltd.
command again. If the PV connection indicator is off,
6 Power-On Commissioning
7.1 Operations
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