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-Off................................................................................................................................................ 113

8.2 Power-Off 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 Specifications...................................................................................................136

A Grid Codes............................................................................................................................ 141

Issue 15 (2023-01-31)

viii

Table of Contents