5.3 Connecting the AC Output Power Cable...................................................................................................................... 36
5.4 Connecting the DC input power cable.......................................................................................................................... 40
5.5 (Optional) Installing the Smart Dongle........................................................................................................................ 43
5.6 (Optional) Installing the Signal Cable........................................................................................................................... 45
5.6.1 Connecting the RS485 Communications Cable (Inverter Cascading)............................................................. 47
5.6.2 Connecting the RS485 Communications Cable (Smart Power Sensor)..........................................................48
5.6.3 Connecting the Power Grid Scheduling Signal Cable........................................................................................... 52
6 Commissioning.......................................................................................................................55
6.1 Check Before Power-On......................................................................................................................................................55
6.2 Powering On the System....................................................................................................................................................56
6.3 Commissioning...................................................................................................................................................................... 60
6.3.1 Scenario 1: Smart Dongle Networking Scenario.................................................................................................... 60
6.3.2 Scenario 2: SmartLogger1000A Networking Scenario..........................................................................................63
6.3.3 Scenario 3: FusionSolar App Cannot Access the Internet....................................................................................63
6.4 Powering O the System................................................................................................................................................... 67
7 Maintenance...........................................................................................................................68
7.1 Routine Maintenance.......................................................................................................................................................... 68
7.2 Troubleshooting..................................................................................................................................................................... 69
8 Handling the Inverter...........................................................................................................78
8.1 Removing the SUN2000..................................................................................................................................................... 78
8.2 Packing the SUN2000..........................................................................................................................................................78
8.3 Disposing of the SUN2000................................................................................................................................................ 78
9 Technical Data........................................................................................................................79
10 FAQ......................................................................................................................................... 84
A Grid Codes...............................................................................................................................85
B Setting Dry Contact Scheduling Parameters.................................................................. 89
C Setting Export Limitation Parameters............................................................................. 91
D Setting Voltage Rise Suppression Q-U Curve.................................................................97
E AFCI...........................................................................................................................................99
F IPS Test (for Italy CEI0-21 Grid Code only)................................................................... 103
G Acronyms and Abbreviations........................................................................................... 106
SUN2000-(3KTL-10KTL)-M0
User Manual Contents
Issue 06 (2020-10-23) Copyright © Huawei Technologies Co., Ltd. vi