Document Outline

• 1 Information on this Document
  • 1.1 Validity
  • 1.2 Target Group
  • 1.3 Additional Information
  • 1.4 Terminology
• 2 Sunny Island 4548-US / 6048-US
  • 2.1 Properties
  • 2.2 At a Glance
  • 2.3 Scope of Delivery
  • 2.4 Required Tools and Materials
  • 2.5 Identifying the Sunny Island
• 3 Safety
  • 3.1 Intended Use
  • 3.2 Important Notes regarding Operation
  • 3.3 Potential Hazards
• 4 Mounting
  • 4.1 Selecting the Mounting Location
  • 4.2 Mounting the Sunny Island with the Wall Mounting Bracket
    • 4.2.1 Mounting the Sunny Island on a Stone Wall
    • 4.2.2 Mounting the Sunny Island using Wall Studs
• 5 Opening and Closing
  • 5.1 Opening the Sunny Island
  • 5.2 Closing the Sunny Island
• 6 Electrical Connection
  • 6.1 Grounding
  • 6.2 DC Connection
    • 6.2.1 Safety Precautions/Conditions
    • 6.2.2 Cable Dimensioning
    • 6.2.3 Cable Protection
    • 6.2.4 Connecting the Sunny Island on the DC Side
  • 6.3 AC Connection
    • 6.3.1 Cable Protection
    • 6.3.2 AC1 (Loads/Sunny Boys)
    • 6.3.3 AC2 (Generator/Grid)
  • 6.4 Additional Connections
    • 6.4.1 Inserting the Data Cables
    • 6.4.2 Connecting the Data Cable of the Lithium-Ion Batteries
    • 6.4.3 Battery Temperature Sensor
    • 6.4.4 Battery Current Sensor
    • 6.4.5 Communication for Multi-Device Connection
    • 6.4.6 Multifunction Relay 1 and 2
    • 6.4.7 BatVtgOut Power Supply
    • 6.4.8 DigIn Digital Input
  • 6.5 Interface for External Communication
    • 6.5.1 Connection of the Interface for External Communication
• 7 Control Elements
  • 7.1 Display Messages
  • 7.2 DC Circuit Breaker
  • 7.3 Buttons
  • 7.4 Meaning of the Light-Emitting Diodes (LED)
  • 7.5 SD Memory Card
• 8 Commissioning
  • 8.1 Requirements
  • 8.2 Starting the Quick Configuration Guide (QCG)
  • 8.3 Commissioning the battery current sensor
• 9 Switching On and Off
  • 9.1 Switching On
  • 9.2 Stopping the Sunny Island (Standby)
  • 9.3 Switching Off
  • 9.4 Disconnecting the Device from Voltage Sources
  • 9.5 Recommissioning After Automatic Shutdown
• 10 Operation
  • 10.1 Menu Structure
  • 10.2 Changing Parameters
  • 10.3 Direct Access - Direct Access to the Parameters
  • 10.4 Compact Meters
  • 10.5 Entering the Installer Password
  • 10.6 Display Messages (Overview)
  • 10.7 Parameter Display
  • 10.8 Display of Events
  • 10.9 Display of Warnings and Failures
• 11 Data Storage on SD Memory Card
  • 11.1 Inserting the SD Memory Card
  • 11.2 Removing the SD Memory Card
  • 11.3 Saving and Loading Parameters
  • 11.4 Writing Log Data
  • 11.5 Status Messages
  • 11.6 Firmware Update
• 12 Additional Functions
  • 12.1 Load Shedding
  • 12.2 Sleep Mode
  • 12.3 Time-Controlled Operation
  • 12.4 Overload and Short-Circuit Behavior
  • 12.5 Mixed Operation with Sunny Island Inverters of Different Power
  • 12.6 Device Faults and Autostart
  • 12.7 Automatic Frequency Synchronization
  • 12.8 Time-Controlled Standby
  • 12.9 Behavior in the Event of a Failure in a Three-Phase System
• 13 Battery Management
  • 13.1 Battery Type and Minimum Battery Capacity
  • 13.2 Battery Temperature
  • 13.3 Start Options
  • 13.4 State of Charge (SOC) and State of Health (SOH)
  • 13.5 Charge Control
    • 13.5.1 Boost Charge
    • 13.5.2 Full Charge
    • 13.5.3 Equalization Charge
    • 13.5.4 Manual Equalization Charge
    • 13.5.5 Silent Mode
  • 13.6 Battery-Preservation Mode
  • 13.7 Battery Diagnosis
  • 13.8 Battery Lead Resistance
• 14 Connecting External Sources
  • 14.1 Generator
    • 14.1.1 Parallel Connection
    • 14.1.2 Generator Start Options
    • 14.1.3 Generator Operation
    • 14.1.4 Manual Generator Operation
    • 14.1.5 Automatic Generator Operation
    • 14.1.6 Limits and Power Control
    • 14.1.7 Run Times
    • 14.1.8 Operation Together with PV Inverters and Wind Power Inverters
    • 14.1.9 Stopping the Generator
    • 14.1.10 Stopping the Sunny Island
    • 14.1.11 Disturbances
  • 14.2 Utility grid
    • 14.2.1 Limits of the Voltage Range and Frequency Range
    • 14.2.2 Starting the Sunny Island
    • 14.2.3 Operation in Case of a Grid Failure in a Battery-Backup Grid
    • 14.2.4 Battery-Backup Operation and Anti-Islanding
    • 14.2.5 Grid Reconnection
    • 14.2.6 Grid Operation
    • 14.2.7 Grid Failure
    • 14.2.8 Disturbances
    • 14.2.9 Limitations and Power Control
    • 14.2.10 Operation Together with PV Inverters and Wind Power Inverters
  • 14.3 Generator and Utility Grid
• 15 Relays
• 16 Multicluster Operation
  • 16.1 Communication between the Sunny Island Inverters
  • 16.2 Commissioning the Multicluster System
  • 16.3 Switching a Multicluster System On and Off
    • 16.3.1 Switching On/Starting
    • 16.3.2 Stopping and Switching Off
    • 16.3.3 Load Shedding in a Multicluster System
  • 16.4 Generator Operation
  • 16.5 Behavior with Different States of Charge
  • 16.6 Testing Multicluster Communication
  • 16.7 Automatic Frequency Synchronization
  • 16.8 Firmware Update
  • 16.9 Error Handling in a Multicluster System
  • 16.10 Grid Operation
  • 16.11 Generator Emergency Operation
• 17 PV Inverters
  • 17.1 Connection to the Stand-Alone Grid (Protected Load Switch)
  • 17.2 Setting the Off-Grid Parameters
  • 17.3 Configuration of the PV Inverters with a Communication Products
  • 17.4 Parameter Settings of the PV Inverters
    • 17.4.1 Configuration of the PV Inverters in Battery-Backup Systems
    • 17.4.2 Configuration of PV Inverters in Off-Grid Systems
  • 17.5 Frequency-Shift Power Control (FSPC)
• 18 Maintenance and Care
  • 18.1 Enclosure
  • 18.2 Cleaning the Fans
  • 18.3 Display
  • 18.4 Function
  • 18.5 Battery
  • 18.6 Disposal
• 19 Parameter Lists
  • 19.1 Display Values
    • 19.1.1 Inverter Meters (110#)
    • 19.1.2 Battery Meters (120#)
    • 19.1.3 External Meters (130#)
    • 19.1.4 Charge Controller (140#)(not UL-certified)
  • 19.2 Adjustable Parameters
    • 19.2.1 Inverter Settings (210#)
    • 19.2.2 Battery Settings (220#)
    • 19.2.3 External Settings (230#)
    • 19.2.4 Relay Settings (240#)
    • 19.2.5 System Settings (250#)
    • 19.2.6 Password Setting (280#)
  • 19.3 Diagnosis (300#)
    • 19.3.1 Inverter Diagnosis (310#)
    • 19.3.2 Battery Diagnosis (320#)
    • 19.3.3 External Diagnosis (330#)
  • 19.4 Events, Warnings and Errors (History)
    • 19.4.1 Failure/Event (400#)
  • 19.5 Functions in Operation
    • 19.5.1 Operation (500#)
  • 19.6 Direct Access to the Parameters
    • 19.6.1 Direct Access (600#)
• 20 Troubleshooting
  • 20.1 Error Acknowledgement
  • 20.2 Autostart Handling
  • 20.3 Master-Slave Handling
  • 20.4 Handling of Pending Errors during the Booting Procedure
  • 20.5 Display of Failures and Events
  • 20.6 Events
    • 20.6.1 Category INV
    • 20.6.2 Category BAT
    • 20.6.3 Category GEN
    • 20.6.4 Category GRD
    • 20.6.5 Category REL
    • 20.6.6 Category SYS
  • 20.7 Failure Categories
  • 20.8 Warnings and Error Messages
    • 20.8.1 Category INV
    • 20.8.2 Category BAT
    • 20.8.3 Category EXT
    • 20.8.4 Category GEN
    • 20.8.5 Category GRD
    • 20.8.6 Category RLY
    • 20.8.7 Category SYS
    • 20.8.8 AUX Category
    • 20.8.9 Category SYS
  • 20.9 Troubleshooting
  • 20.10 Procedure during Emergency Charge Mode
• 21 Accessory
• 22 Technical Data
  • 22.1 Sunny Island 4548-US
  • 22.2 Sunny Island 6048-US
• 23 Glossary
• 24 Compliance Information
• 25 Contact