5.3 Connecting the PE Cable.................................................................................................................................................... 49
5.4 Opening the Maintenance Compartment Door......................................................................................................... 50
5.5 (Optional) Installing the Power Cable of the Tracking System............................................................................ 53
5.6 Connecting an AC Output Power Cable........................................................................................................................54
5.7 Connecting DC Input Power Cables................................................................................................................................60
5.8 Connecting the RS485 Communications Cable.......................................................................................................... 66
6 Commissioning.......................................................................................................................69
6.1 Check Before Power-on.......................................................................................................................................................69
6.2 Powering On the SUN2000............................................................................................................................................... 69
7 Man-Machine Interactions.................................................................................................. 71
7.1 Operations with the App.................................................................................................................................................... 71
7.1.1 App Introduction................................................................................................................................................................ 71
7.1.2 Downloading and Installing the App..........................................................................................................................72
7.1.3 Logging In to the App...................................................................................................................................................... 73
7.1.4 Operations Related to the Advanced User............................................................................................................... 77
7.1.4.1 Setting Grid Parameters...............................................................................................................................................77
7.1.4.2 Setting Protection Parameters................................................................................................................................... 77
7.1.4.3 Setting Feature Parameters........................................................................................................................................ 78
7.1.4.4 Built-in PID Recovery.................................................................................................................................................... 82
7.1.4.5 AFCI..................................................................................................................................................................................... 84
7.1.5 Operations Related to the Special User.....................................................................................................................86
7.1.5.1 Setting Grid Parameters...............................................................................................................................................86
7.1.5.2 Setting Protection Parameters................................................................................................................................... 88
7.1.5.3 Setting Feature Parameters........................................................................................................................................ 90
7.1.5.4 Setting Power Adjustment Parameters...................................................................................................................94
7.2 (Optional) Installing a Smart Dongle............................................................................................................................ 97
7.3 Operations with a USB Flash Drive................................................................................................................................ 98
7.3.1 Exporting Congurations................................................................................................................................................ 98
7.3.2 Importing Congurations............................................................................................................................................. 100
7.3.3 Exporting Data................................................................................................................................................................. 101
7.3.4 Upgrading.......................................................................................................................................................................... 102
8 Maintenance.........................................................................................................................104
8.1 Shutdown and
Power-O................................................................................................................................................104
8.2 Power-O for Troubleshooting......................................................................................................................................105
8.3 Routine Maintenance........................................................................................................................................................ 106
8.4 Troubleshooting.................................................................................................................................................................. 108
8.5 Replacing a Fan................................................................................................................................................................... 120
9 Handling the Inverter........................................................................................................ 124
9.1 Removing the SUN2000................................................................................................................................................... 124
9.2 Packing the SUN2000....................................................................................................................................................... 124
9.3 Disposing of the SUN2000.............................................................................................................................................. 124
SUN2000-(100KTL, 110KTL, 125KTL) Series
User Manual Contents
Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd. vi
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