6.4 Grid-tied/Backup Mode Switching ............................................................................................................................. 63 
7 Operations on the Local FusionHome App ........................................................................... 66 
7.1 App Overview ............................................................................................................................................................. 66 
7.2 Downloading and Installing the App .......................................................................................................................... 68 
7.3 Connecting to a SUN2000 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 Device Information ............................................................................................................................ 77 
7.4.3 Maintaining the Devices .......................................................................................................................................... 80 
7.4.3.1 Adding/Deleting Devices ...................................................................................................................................... 81 
7.4.3.2 Upgrading Devices ............................................................................................................................................... 84 
7.4.3.3 Performance Data ................................................................................................................................................. 86 
7.4.3.4 Energy Control ...................................................................................................................................................... 87 
7.4.3.4.1 Grid-tied Point Control ...................................................................................................................................... 88 
7.4.3.4.2 Energy Storage Control ...................................................................................................................................... 89 
7.4.3.5 Starting or Shutting Down the SUN2000.............................................................................................................. 92 
7.4.3.6 Restoring Factory Defaults ................................................................................................................................... 93 
7.4.3.7 Clearing Data ........................................................................................................................................................ 94 
7.4.3.8 Starting AFCI Check ............................................................................................................................................. 95 
7.4.3.9 Adjusting Total Energy Yield ................................................................................................................................ 95 
7.4.3.10 Restarting the SUN2000 ..................................................................................................................................... 96 
7.4.4 Quick Setting ........................................................................................................................................................... 97 
7.4.5 Setting Grid-Connection Parameters ..................................................................................................................... 100 
7.4.5.1 Setting Grid Parameters ...................................................................................................................................... 101 
7.4.5.2 Protection Parameters ......................................................................................................................................... 103 
7.4.5.3 Feature Parameters .............................................................................................................................................. 105 
7.4.5.4 Power Adjustment ............................................................................................................................................... 110 
7.4.5.5 Time Setting ........................................................................................................................................................ 112 
7.4.6 Communication Configuration .............................................................................................................................. 114 
7.4.7 Managing Logs ...................................................................................................................................................... 122 
7.4.8 Menu ...................................................................................................................................................................... 123 
7.4.8.1 Changing the Password ....................................................................................................................................... 123 
7.4.8.2 About .................................................................................................................................................................. 124 
7.5 App Operations by the User ...................................................................................................................................... 124 
7.5.1 Logging In to the App ............................................................................................................................................ 124 
7.5.2 Querying the Device Status ................................................................................................................................... 125 
7.5.3 Alarm Management ............................................................................................................................................... 126 
7.5.4 Querying the Power Curve .................................................................................................................................... 127 
7.5.5 Querying Energy Yields ......................................................................................................................................... 128 
7.5.6 Settings .................................................................................................................................................................. 128 
7.5.7 About ..................................................................................................................................................................... 131