5.6 Connecting an AC Output Power Cable........................................................................................................................60
5.7 Connecting DC Input Power Cables................................................................................................................................66
5.7.1 Cable Connection Description....................................................................................................................................... 66
5.7.2 Connecting Cables to Amphenol Helios H4 Connectors......................................................................................68
5.7.3 Connecting Cables to Staubli MC4 Connectors...................................................................................................... 72
5.8 Connecting the RS485 Communications Cables........................................................................................................ 75
6 Commissioning.......................................................................................................................78
6.1 Check Before Power-on.......................................................................................................................................................78
6.2 Powering On the SUN2000............................................................................................................................................... 78
7 Man-Machine Interactions.................................................................................................. 81
7.1 Operations with the SUN2000 App................................................................................................................................ 81
7.1.1 App Introduction................................................................................................................................................................ 81
7.1.2 Downloading and Installing the App..........................................................................................................................82
7.1.3 Logging In to the App...................................................................................................................................................... 83
7.1.4 Operations Related to the Advanced User............................................................................................................... 90
7.1.4.1 Setting Grid Parameters...............................................................................................................................................90
7.1.4.2 Setting Protection Parameters................................................................................................................................... 91
7.1.4.3 Setting Feature Parameters........................................................................................................................................ 91
7.1.4.4 Built-in PID Recovery.................................................................................................................................................... 95
7.1.4.5 AFCI..................................................................................................................................................................................... 97
7.1.5 Operations Related to the Special User.....................................................................................................................98
7.1.5.1 Setting Grid Parameters...............................................................................................................................................98
7.1.5.2 Setting Protection Parameters................................................................................................................................ 100
7.1.5.3 Setting Feature Parameters......................................................................................................................................102
7.1.5.4 Setting Power Adjustment Parameters................................................................................................................ 106
7.2 (Optional) Installing a Smart Dongle......................................................................................................................... 111
7.3 Upgrading the Inverter..................................................................................................................................................... 111
8 Maintenance.........................................................................................................................113
8.1 Shutdown and
Power-O................................................................................................................................................113
8.2
Power-O for Troubleshooting......................................................................................................................................114
8.3 Routine Maintenance........................................................................................................................................................ 116
8.4 Troubleshooting.................................................................................................................................................................. 117
8.5 Replacing a Fan................................................................................................................................................................... 130
8.6 Resetting and Turning On the DC Switch.................................................................................................................. 134
9 Handling the Inverter........................................................................................................ 135
9.1 Removing the SUN2000................................................................................................................................................... 135
9.2 Packing the SUN2000....................................................................................................................................................... 135
9.3 Disposing of the SUN2000.............................................................................................................................................. 135
10 Technical
Specications...................................................................................................136
A Grid Codes............................................................................................................................ 141
SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series
User Manual Contents
Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd. viii