7.1 App Overview ............................................................................................................................................................. 67

7.2 Downloading and Installing the App .......................................................................................................................... 69

7.3 Connecting to a SUN2000L WiFi network ................................................................................................................. 69

7.4 App Operations by the Installer .................................................................................................................................. 73

7.4.1 Logging In to the App .............................................................................................................................................. 73

7.4.2 Querying the SUN2000L Information ..................................................................................................................... 77

7.4.3 Maintaining the SUN2000L ..................................................................................................................................... 80

7.4.3.1 Upgrading the Device ........................................................................................................................................... 81

7.4.3.2 Starting or Shutting Down the SUN2000L ........................................................................................................... 82

7.4.3.3 Restoring Factory Defaults ................................................................................................................................... 82

7.4.3.4 Clearing Data ........................................................................................................................................................ 83

7.4.3.5 Adjusting Total Energy Yield ................................................................................................................................ 84

7.4.3.6 Restarting the SUN2000L ..................................................................................................................................... 84

7.4.4 Quick Setting ........................................................................................................................................................... 84

7.4.5 Setting Grid-Connection Parameters ....................................................................................................................... 87

7.4.5.1 Setting Grid Parameters ........................................................................................................................................ 87

7.4.5.2 Setting Protection Parameters ............................................................................................................................... 88

7.4.5.3 Feature parameters ................................................................................................................................................ 90

7.4.5.4 Adjusting Power .................................................................................................................................................... 94

7.4.5.5 Setting Time .......................................................................................................................................................... 96

7.4.6 Comm config ........................................................................................................................................................... 97

7.4.7 Managing Logs ...................................................................................................................................................... 105

7.4.8 Menu ...................................................................................................................................................................... 105

7.4.8.1 Changing the Password ....................................................................................................................................... 105

7.4.8.2 About .................................................................................................................................................................. 106

7.5 App Operations by the User ...................................................................................................................................... 107

7.5.1 Logging In to the App ............................................................................................................................................ 107

7.5.2 Querying the Device Status ................................................................................................................................... 108

7.5.3 Alarm Management ............................................................................................................................................... 109

7.5.4 Querying Power Curves ......................................................................................................................................... 109

7.5.5 Querying Energy Yields ......................................................................................................................................... 110

7.5.6 Settings .................................................................................................................................................................. 111

7.5.7 About ..................................................................................................................................................................... 114

7.6 Tool Kit ..................................................................................................................................................................... 115

7.7 Troubleshooting ........................................................................................................................................................ 116

8 System Maintenance................................................................................................................. 117

8.1 Routine Maintenance ................................................................................................................................................ 117

8.2 Troubleshooting ........................................................................................................................................................ 117

9 Handling the SUN2000L .......................................................................................................... 123

9.1 Removing the SUN2000L ........................................................................................................................................ 123

Issue 03 (2018-04-11)

Huawei Proprietary and Confidential

Contents

Table of Contents