SUN2000-(30KTL-A, 33KTL, 40KTL)
User Manual
6 System Commissioning
Issue 04 (2016-06-20)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
69
6
System Commissioning
6.1 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.
If you perform
Step 2
before
Step 1
, the SUN2000 reports a fault about abnormal shutdown.
The SUN2000 can start normally after the fault is automatically rectified. The default alarm
clearance time is 1 minute. You can modify the time over the NMS software installed on the
PC that connects to the SUN2000.
Step 2
Turn on the DC SWITCH at the bottom of the inverter chassis.
Step 3
(Optional) Measure the temperatures at the joints between the DC terminals and the
connectors using a point-test thermometer.
To check that the DC terminals are in good contact, check that the temperatures at the joints
between DC terminals and connectors do not exceed 85°C after the inverter has been running
for a period of time.
Step 4
Connect the inverter to the mobile phone that runs SUN2000 APP (app for short) through a
Bluetooth module or USB data cable.
