SMA SUNNY ISLAND 4.4M Operating Manual page 4

Table of Contents
6.5.7.3
6.5.7.4
6.5.7.5
6.5.7.6
6.5.8 Connecting the Battery Temperature Sensor................................................................................................. 44
6.5.9 Connecting the Battery Current Sensor in the Off-Grid System ................................................................... 45
6.5.10 Connecting the Control Cable for Autostart Generators.............................................................................. 46
6.5.11 Connecting a Signaler for Generators Without an Autostart Function........................................................ 47
6.5.12 Connecting Load-Shedding Contactors ......................................................................................................... 48
6.5.13 Connecting the Time Control for External Processes..................................................................................... 50
6.5.14 Connecting Message Devices for Operating States and Warning Messages........................................... 51
6.5.15 Connecting the Battery Room Fan.................................................................................................................. 52
6.5.16 Connecting the Electrolyte Pump for the Battery ........................................................................................... 53
6.5.17 Connecting the Control Cable for the Use of Excess Energy in an Off-Grid System.................................. 53
6.5.18 Connecting the Signal Cable of the External Generator Request................................................................ 54
6.6 Connecting the Cables.................................................................................................................................... 55
6.6.1 Connecting the DC Power Cable................................................................................................................... 55
6.6.2 Connecting the AC Power Cable................................................................................................................... 57
6.6.3 Connecting the Grounding Conductor .......................................................................................................... 59
6.6.4 Connecting the Data Cable............................................................................................................................ 59
6.6.5 Connecting Relay 1 and Relay 2................................................................................................................... 60
6.6.6 Connecting BatVtgOut, DigIn, BatTMP and BatCur ..................................................................................... 61
6.6.7 Connecting ExtVtg........................................................................................................................................... 62
6.7 Checking the Wiring........................................................................................................................................ 63
6.8 Sealing and Closing the Sunny Island............................................................................................................ 66
6.9 Inserting the Fuse Links in the Fuse Switch-Disconnector ............................................................................... 67
7 Commissioning ............................................................................................................................. 68
7.1 Commissioning Procedure............................................................................................................................... 68
7.2 Commissioning the Inverter ............................................................................................................................. 69
7.3 Performing Basic Configuration of the Installation Assistant ......................................................................... 69
7.4 Configuring the Country Data Set .................................................................................................................. 70
7.5 Changing Thresholds for Systems for Increased Self-Consumption.............................................................. 71
7.6 Battery Management....................................................................................................................................... 71
7.6.1 Safety When Setting the Battery Management Parameters......................................................................... 71
7.6.2 Lead-acid batteries: Adjust the battery management to the battery ............................................................ 72
7.6.3 Lithium-ion batteries only: Setting equalization charge of the batteries....................................................... 72
7.6.4 Battery Use Regarding Systems for Increased Self-Consumption ................................................................ 74
7.6.4.1
7.6.4.2
7.6.4.3
7.6.5 Changing the Battery Usage Regarding Battery-Backup Systems without Increased Self-Consumption .. 81
7.6.6 Changing the Battery Protection Mode in Off-Grid Systems........................................................................ 84
7.6.7 Energy-saving mode........................................................................................................................................ 85
7.6.8 Configuring the Resistance of the Battery Cable........................................................................................... 85
7.6.9 Setting the Control of the Battery Room Fan ................................................................................................. 86
7.7 Energy management ....................................................................................................................................... 86
7.7.1 Setting Load Shedding in a Multicluster System ........................................................................................... 86
7.7.2 Setting One-Level Load Shedding .................................................................................................................. 87
7.7.3 Setting Two-Level Load Shedding .................................................................................................................. 87
7.7.4 Setting Time-Dependent One-Level Load Shedding...................................................................................... 88
7.7.5 Setting Time-Dependent Two-Level Load Shedding ...................................................................................... 90
7.7.6 Setting Utilization of Excess Energy in Off-Grid Systems.............................................................................. 91
7.8 Generator Management ................................................................................................................................. 92
7.8.1 Configuration of the Thresholds for Generator Connection ......................................................................... 92
4 SI44M-80H-13-BE-en-15
Connecting the Data Cable for the Internal Communication of the Cluster ................................................ 42
Connecting the Data Cable of the Multicluster-Box...................................................................................... 42
Connecting Control and Measuring Cables of the Multicluster-Box ........................................................... 43
Connecting the Data Cables for Multicluster Communication ..................................................................... 43
Seasonal Adjustment of the Battery Usage ................................................................................................... 74
Changing the Battery Usage Regarding Systems for Increased Self-Consumption Without a Battery
Backup Grid .................................................................................................................................................... 74
Changing the Battery Usage Regarding Battery-Backup Systems with Increased Self-Consumption........ 77
SMA Solar Technology AG
Operating manual