Document Outline

• 1 Notes on this Manual
  • 1.1 Validity
  • 1.2 Symbols Used
• 2 The Sunny Island 3324/4248
  • 2.1 General Description
  • 2.2 At a Glance
  • 2.3 Dimensions
  • 2.4 Scope of Delivery
  • 2.5 Required tools and resources
  • 2.6 Accessories (optional)
  • 2.7 SMA Products (Optional)
  • 2.8 Type Plate/Firmware Version
• 3 Safety Instructions
  • 3.1 Important Operational Notes
  • 3.2 Potential Hazards
• 4 Installation
  • 4.1 Preparation
    • 4.1.1 Lifting/Moving
    • 4.1.2 Unpacking
    • 4.1.3 Installation Site
    • 4.1.4 Minimum Clearance
    • 4.1.5 Wall Mounting
  • 4.2 Mounting the Sunny Island 3324/4248
    • 4.2.1 Angle bracket on the underside
    • 4.2.2 Wall Bracket
• 5 Electrical Connection
  • 5.1 Grounding
  • 5.2 DC Connection
    • 5.2.1 Safety Precautions/Conditions
    • 5.2.2 Cable Protection
    • 5.2.3 Connection
  • 5.3 AC Connection
    • 5.3.1 Cable Protection
    • 5.3.2 AC Output
    • 5.3.3 AC Input
  • 5.4 Additional Connections
    • 5.4.1 Cooling Fans
    • 5.4.2 Battery Temperature Sensor
    • 5.4.3 Load shedding
    • 5.4.4 Generator Start with a Single Contact
    • 5.4.5 Generator Start Using GenMan
    • 5.4.6 Synchronization
  • 5.5 Connection of the Communication Interface
• 6 Removing the Cover
  • 6.1 Removing the Cover
  • 6.2 Installing the Cover
• 7 Operation
  • 7.1 Control Elements
  • 7.2 Changing Parameters
  • 7.3 Explanation of the Light-emitting Diodes (LEDs)
  • 7.4 Display
  • 7.5 Menu Structure
• 8 Commissioning
  • 8.1 Preparation
  • 8.2 Initialization
  • 8.3 Password Entry
  • 8.4 Operating with the Public Grid
  • 8.5 Operation with a Generator
    • 8.5.1 Selection of Generator Control Method
    • 8.5.2 Setting the Output Current Limit
    • 8.5.3 Generator Request
  • 8.6 Automatic Load Shedding Setting
  • 8.7 Operation with Sunny Boy Inverters
  • 8.8 Autostart Function
  • 8.9 Starting after First Commissioning
• 9 Switching On and Off
  • 9.1 Stopping
  • 9.2 Switching On/Starting
  • 9.3 Switching Off
  • 9.4 Disconnecting the inverter from Voltage Sources
  • 9.5 Restarting the Automatic Shutdown
• 10 System Examples
  • 10.1 PV Stand-alone System
  • 10.2 PV Stand-alone System with Generator
    • 10.2.1 Generators with Manual Start
    • 10.2.2 Generator Start with a Single Contact (2-Wire)
    • 10.2.3 With Autostart and External Switch
    • 10.2.4 With GenMan
  • 10.3 PV Grid Backup System
• 11 Battery Management
  • 11.1 Charge Control
  • 11.2 Silent Mode
  • 11.3 Deep Discharge Protection/Battery State
  • 11.4 Exchanging the Batteries
• 12 Generator
  • 12.1 Load-dependent Generator Request
  • 12.2 Temperature-dependent Generator Request
  • 12.3 GenMan
  • 12.4 Display Message
• 13 Connecting Sunny Boy Inverters
  • 13.1 Sunny Boy Wiring
  • 13.2 Setting Sunny Boy Parameters
  • 13.3 Frequency Shift Power Control (FSPC)
• 14 Additional Functions
  • 14.1 Autostart
  • 14.2 ParameterSet
  • 14.3 Offset Calibration
  • 14.4 Automatic Frequency Adjustment
• 15 Communication Interface
  • 15.1 Connection of the Interface
  • 15.2 Jumper Functions
  • 15.3 Baud Rate
• 16 Updating Firmware
• 17 Menu Structure and Parameter Lists
  • 17.1 Menu Structure
  • 17.2 Menus Requiring the Installer Password
    • 17.2.1 Displayed Measurement Values
    • 17.2.2 Adjustable System Parameters
    • 17.2.3 System and Fault Messages
    • 17.2.4 Operation (Operation)
• 18 Troubleshooting/Problem Solving
  • 18.1 List of Fault Displays
  • 18.2 Troubleshooting FAQs
• 19 Technical Data
• 20 Contact
• 21 Glossary