5.3 Connecting the PE Cable.................................................................................................................................................... 48

5.4 Opening the Maintenance Compartment Door......................................................................................................... 49

5.5 (Optional) Installing the Power Cable of the Tracking System............................................................................ 52

5.6 Connecting an AC Output Power Cable........................................................................................................................ 53

5.7 Connecting DC Input Power Cables................................................................................................................................59

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.................................................................................................. 72

7.1 Operations with the SUN2000 App................................................................................................................................ 72

7.1.1 App Introduction................................................................................................................................................................ 72

7.1.2 Downloading and Installing the App..........................................................................................................................73

7.1.3 Logging In to the App...................................................................................................................................................... 74

7.1.4 Operations Related to the Advanced User............................................................................................................... 79

7.1.4.1 Setting Grid Parameters...............................................................................................................................................79

7.1.4.2 Setting Protection Parameters................................................................................................................................... 80

7.1.4.3 Setting Feature Parameters........................................................................................................................................ 80

7.1.4.4 Built-in PID Recovery.................................................................................................................................................... 84

7.1.4.5 AFCI..................................................................................................................................................................................... 86

7.1.5 Operations Related to the Special User.....................................................................................................................87

7.1.5.1 Setting Grid Parameters...............................................................................................................................................87

7.1.5.2 Setting Protection Parameters................................................................................................................................... 89

7.1.5.3 Setting Feature Parameters........................................................................................................................................ 91

7.1.5.4 Setting Power Adjustment Parameters...................................................................................................................95

7.2 (Optional) Installing a Smart Dongle......................................................................................................................... 100

7.3 Operations with a USB Flash Drive.............................................................................................................................. 100

7.3.1 Exporting Configurations..............................................................................................................................................101

7.3.2 Importing Configurations............................................................................................................................................. 102

7.3.3 Exporting Data................................................................................................................................................................. 103

7.3.4 Upgrading.......................................................................................................................................................................... 104

8 Maintenance.........................................................................................................................106

8.1 Shutdown and Power-Off................................................................................................................................................ 106

8.2 Power-Off for Troubleshooting......................................................................................................................................107

8.3 Routine Maintenance........................................................................................................................................................ 108

8.4 Troubleshooting.................................................................................................................................................................. 110

8.5 Replacing a Fan................................................................................................................................................................... 123

8.6 Loading the DC Switch..................................................................................................................................................... 127

9 Handling the Inverter........................................................................................................ 128

9.1 Removing the SUN2000................................................................................................................................................... 128

9.2 Packing the SUN2000....................................................................................................................................................... 128

Issue 11 (2021-11-10)

vii

Table of Contents