5.6 Connecting an AC Output Power Cable........................................................................................................................ 52

5.7 Connecting DC Input Power Cables................................................................................................................................58

5.7.1 Cable Connection Description....................................................................................................................................... 58

5.7.2 Connecting Cables to Amphenol Helios H4 Connectors......................................................................................60

5.7.3 Connecting Cables to Staubli MC4 Connectors...................................................................................................... 64

5.8 Connecting the RS485 Communications Cables........................................................................................................ 66

6 Commissioning....................................................................................................................... 69

6.1 Check Before Power-on....................................................................................................................................................... 69

6.2 Powering On the SUN2000............................................................................................................................................... 70

7 Man-Machine Interactions.................................................................................................. 72

7.1 Operations with the 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............................................................................................................... 78

7.1.4.1 Setting Grid Parameters...............................................................................................................................................78

7.1.4.2 Setting Protection Parameters................................................................................................................................... 79

7.1.4.3 Setting Feature Parameters........................................................................................................................................ 79

7.1.5 Operations Related to the Special User.....................................................................................................................83

7.1.5.1 Setting Grid Parameters...............................................................................................................................................84

7.1.5.2 Setting Protection Parameters................................................................................................................................... 85

7.1.5.3 Setting Feature Parameters........................................................................................................................................ 87

7.1.5.4 Setting Power Adjustment Parameters...................................................................................................................92

7.2 (Optional) Installing a Smart Dongle............................................................................................................................ 96

7.3 Upgrading the Inverter....................................................................................................................................................... 96

8 Maintenance........................................................................................................................... 98

8.1 Shutdown and Power-Off.................................................................................................................................................. 98

8.2 Power-Off for Troubleshooting........................................................................................................................................ 99

8.3 Routine Maintenance........................................................................................................................................................ 100

8.4 Checking Spot-check Terminals..................................................................................................................................... 102

8.5 Troubleshooting.................................................................................................................................................................. 104

8.6 Replacing a Fan................................................................................................................................................................... 119

8.7 Resetting and Turning On the DC Switch.................................................................................................................. 123

9 Handling the Inverter........................................................................................................ 124

9.1 Removing the SUN2000................................................................................................................................................... 124

9.2 Packing the SUN2000....................................................................................................................................................... 124

9.3 Disposing of the SUN2000.............................................................................................................................................. 124

10 Technical Specifications.................................................................................................. 125

A Grid Codes............................................................................................................................ 128

B Resetting Password............................................................................................................ 129

Issue 09 (2023-12-18)

Table of Contents