SMA SUNNY ISLAND 4.4M Operating Manual page 4

Table of Contents
6.5.7.6
6.5.8 Connecting the Battery Temperature Sensor.................................................................................................. 47
6.5.9 Connecting the Battery Current Sensor in the Off-Grid System .................................................................... 48
6.5.10 Connecting the Control Cable for Autostart Generators............................................................................... 50
6.5.11 Connecting a Signaler for Generators Without an Autostart Function......................................................... 51
6.5.12 Connecting Load-Shedding Contactors.......................................................................................................... 52
6.5.13 Connecting the Time Control for External Processes ..................................................................................... 54
6.5.14 Connecting Message Devices for Operating States and Warning Messages............................................ 55
6.5.15 Connecting the Battery Room Fan .................................................................................................................. 56
6.5.16 Connecting the Electrolyte Pump for the Battery ............................................................................................ 57
6.5.17 Connecting the Signal Cable of the External Generator Request ................................................................ 58
6.6 Connecting the Cables.................................................................................................................................... 59
6.6.1 Connecting the DC Power Cable.................................................................................................................... 59
6.6.2 Connecting the AC Power Cable.................................................................................................................... 62
6.6.3 Connecting the Grounding Conductor ........................................................................................................... 63
6.6.4 Connecting the Data Cable............................................................................................................................. 64
6.6.5 Connecting Relay 1 and Relay 2.................................................................................................................... 65
6.6.6 Connecting BatVtgOut, DigIn, BatTMP and BatCur ...................................................................................... 66
6.6.7 Connecting ExtVtg............................................................................................................................................ 67
6.7 Checking the Wiring ....................................................................................................................................... 68
6.8 Sealing and Closing the Sunny Island ........................................................................................................... 72
6.9 Inserting the Fuse Links in the Fuse Switch-Disconnector ............................................................................... 73
7 Commissioning ............................................................................................................................. 74
7.1 Commissioning Procedure............................................................................................................................... 74
7.2 Performing Basic Configuration of the Installation Assistant ......................................................................... 75
7.3 Commissioning the Inverter ............................................................................................................................. 75
7.4 Configuring the Country Data Set .................................................................................................................. 76
7.5 Changing Thresholds for Systems for Increased Self-Consumption ............................................................. 77
7.6 "Battery Management".................................................................................................................................... 77
7.6.1 Safety When Setting the Battery Management Parameters.......................................................................... 77
7.6.2 Adjusting the Battery Management to the Battery ......................................................................................... 77
7.6.3 Changing the Battery Usage Through Battery-Backup Systems without Increased Self-Consumption ...... 78
7.6.4 Battery Usage through Systems for Increased Self-Consumption ................................................................. 80
7.6.4.1
7.6.4.2
7.6.4.3
7.6.5 Changing the Battery Protection Mode in Off-Grid Systems......................................................................... 88
7.6.6 Configuring the Resistance of the Battery Cable ........................................................................................... 89
7.6.7 Setting the Control of the Battery Room Fan .................................................................................................. 90
7.7 Energy management ....................................................................................................................................... 90
7.7.1 Setting Load Shedding in a Multicluster System ............................................................................................ 90
7.7.2 Setting One-Level Load Shedding................................................................................................................... 91
7.7.3 Setting Two-Level Load Shedding ................................................................................................................... 91
7.7.4 Setting Time-Dependent One-Level Load Shedding....................................................................................... 92
7.7.5 Setting Time-Dependent Two-Level Load Shedding ....................................................................................... 94
7.8 Generator Management................................................................................................................................. 96
7.8.1 Configuration of the Thresholds for Generator Connection.......................................................................... 96
7.8.1.1
7.8.1.2
4 SI44M-80H-12-BE-en-10
Connecting the Data Cables for Multicluster Communication..................................................................... 46
Seasonal Adjustment of the Battery Usage ................................................................................................... 80
Changing the Battery Usage Through Systems for Increased Self-Consumption Without a Battery
Backup Grid .................................................................................................................................................... 81
Changing the Battery Usage through Battery-Backup Systems with Increased Self-Consumption ............ 84
Changing the Current Thresholds for the Generator .................................................................................... 96
Changing the Voltage Thresholds for the Generator ................................................................................... 97
SMA Solar Technology AG
Operating Manual