SMA SUNNY ISLAND 4.4M Operating Manual page 6

Table of Contents
10.3 Stopping the System........................................................................................................................................ 125
10.4 Switching Off the Sunny Island....................................................................................................................... 125
10.5 Tripping the Emergency Disconnection of the System................................................................................... 126
11 Data Storage and Firmware Update..........................................................................................127
11.1 Viewing Event Messages or Instantaneous Values ....................................................................................... 127
11.2 Exporting Event Messages.............................................................................................................................. 127
11.3 Exporting Parameters ...................................................................................................................................... 127
11.4 Updating the Firmware ................................................................................................................................... 127
11.5 Saving the Configuration in a File .................................................................................................................. 128
11.6 Adopting a Configuration from a File ............................................................................................................ 128
12 Manually Controlling the Generator..........................................................................................130
12.1 Starting the Generator via the User Interface................................................................................................ 130
12.2 Stopping the Generator via the User Interface.............................................................................................. 130
12.3 Starting the Generator without Autostart Function ........................................................................................ 130
12.4 Stopping the Generator without Autostart Function ...................................................................................... 131
13 Disconnecting the Sunny Island from Voltage Sources ............................................................132
14 Cleaning and Maintenance .........................................................................................................133
14.1 Cleaning and Checking the Sunny Island Inverter Enclosure ....................................................................... 133
14.2 Checking the Function ..................................................................................................................................... 133
14.3 Checking the Connections .............................................................................................................................. 133
14.4 Cleaning the Fans............................................................................................................................................ 134
14.5 Performing a Manual Equalization Charge in the Off-Grid System............................................................. 136
14.6 Checking and Maintaining the Battery .......................................................................................................... 136
14.7 Charging the Battery After Automatic Shutdown in Off-Grid Systems (Emergency Charge Mode).......... 137
14.8 Changing Slave Addresses in a Cluster......................................................................................................... 139
14.9 Replacing the Battery ...................................................................................................................................... 140
14.10 Replacing the Micro SD Card ........................................................................................................................ 141
14.11 Opening the Inverter ....................................................................................................................................... 142
14.12 Recommissioning the Inverter.......................................................................................................................... 143
15 Troubleshooting............................................................................................................................145
15.1 Sunny Island Inverter Behavior Under Fault Conditions................................................................................ 145
15.2 Event Messages............................................................................................................................................... 145
15.3 Acknowledge Errors ........................................................................................................................................ 174
15.4 Frequently Asked Questions (FAQs) .............................................................................................................. 175
15.4.1 Questions Regarding the Sunny Island...........................................................................................................175
15.4.2 Questions Regarding the Battery ....................................................................................................................175
15.4.3 Questions Regarding the Generator...............................................................................................................176
15.4.4 Questions Regarding Multicluster Systems.....................................................................................................177
16 Decommissioning the Sunny Island ............................................................................................178
17 Technical Data ..............................................................................................................................180
17.1 AC1 Connection for Stand-Alone Grid.......................................................................................................... 180
17.2 AC2 Connection for Utility Grid and Generator (External Energy Source) ................................................ 181
17.3 DC Connection for Battery.............................................................................................................................. 181
17.4 Efficiency .......................................................................................................................................................... 182
6 SI44M-80H-12-BE-en-10
SMA Solar Technology AG
Operating Manual