Document Outline

• 1 Notes on this Manual
• 2 Safety
  • 2.1  Intended Use
  • 2.2  Safety Instructions
  • 2.3  Target Group Qualification
• 3 Product Description
  • 3.1  Sunny Central
  • 3.2  Indicator Lights
  • 3.3  Key Switch
  • 3.4  Emergency Stop
  • 3.5  Sunny Central Control
  • 3.6  Sunny Central Control Menu Structure
  • 3.7  Overview of the Analog Inputs
  • 3.8  Insulation Monitoring
    • 3.8.1  How Insulation Monitoring Works
    • 3.8.2  GFDI
    • 3.8.3  Remote GFDI
    • 3.8.4  Soft Grounding
    • 3.8.5  Insulation Monitoring Device
  • 3.9  External Grid Monitoring Relay
  • 3.10  Grid Management
    • 3.10.1  Requirements
    • 3.10.2  Low Voltage Ride Through (LVRT)
    • 3.10.3  Active Power Limitation
    • 3.10.4  Reactive Power Setpoint
  • 3.11  Active Island Detection
  • 3.12  NET Piggy-Back
  • 3.13  Serial Number and Device Type
• 4 Sunny Central Control
  • 4.1  Display Layout
  • 4.2  Password and System Settings
    • 4.2.1  Adjusting the Display Contrast
    • 4.2.2  Entering the Password
    • 4.2.3  Locking the Sunny Central Control
    • 4.2.4  Setting the Language
    • 4.2.5  Changing the Date and Time
    • 4.2.6  Display Firmware Version
  • 4.3  Measured Data
    • 4.3.1  Measured Data via Sunny Data Control
    • 4.3.2  Requesting Measured Data from the Sunny Central Control
    • 4.3.3  Displaying the Daily Energy Yield Values
    • 4.3.4  Deleting the Daily Energy Yield Values
    • 4.3.5  Adding Other Measurement Channels to Long-Term Data List
    • 4.3.6  Resetting the Long-Term Data List of the Measurement Channels to the Factory Setting
    • 4.3.7  Deleting Measured Data
  • 4.4  Parameters
    • 4.4.1  Changing Parameters
    • 4.4.2  Saving Parameters
    • 4.4.3  Resetting Parameters
  • 4.5  Sending Data
    • 4.5.1  Activating E-mail Reports
    • 4.5.2  Selecting the Report Types to Send
    • 4.5.3  Entering or Changing an E-mail Address
    • 4.5.4  Sending Reports
  • 4.6  Analog Sensors and External Signals
    • 4.6.1  Calculating Gain and Offset of External Sensors
    • 4.6.2  Configuring ExtSolIrr and ExtGloIrr Analog Sensors
    • 4.6.3  Displaying the Sensor's Spot Values
    • 4.6.4  Setting the External Alarm
  • 4.7  Active Power Limitation
    • 4.7.1  Frequency-independent Active Power Limitation Procedure
    • 4.7.2  "Off" Procedure
    • 4.7.3  "WCtlCom" Procedure
    • 4.7.4  "WCnst" Procedure
    • 4.7.5  "WCnstNom" Procedure
    • 4.7.6  "WCnstNomAnln" Procedure
    • 4.7.7  Displaying Error Messages and Warnings for Active Power Limitation
    • 4.7.8  Active Power Limitation Depending on Power Frequency
    • 4.7.9  Displaying the Status of the Active Power Limitation
  • 4.8  Reactive Power Regulation
    • 4.8.1  Procedure for Regulating Reactive Power
    • 4.8.2  "Off" Procedure
    • 4.8.3  "VArCtlCom" Procedure
    • 4.8.4  "PFCtlCom" Procedure
    • 4.8.5  "VArCnst" Procedure
    • 4.8.6  "VArCnstNom" Procedure
    • 4.8.7  "VArCnstNomAnIn" Procedure
    • 4.8.8  "PFCnst" Procedure
    • 4.8.9  "PFCnstAnIn" Procedure
    • 4.8.10  "PFCtlW" Procedure
    • 4.8.11  "VArCtlVol" Procedure
    • 4.8.12  Displaying Error Messages and Warnings for the Reactive Power Setpoint
  • 4.9  Grid Monitoring
    • 4.9.1  How Grid Monitoring Works
    • 4.9.2  Grid Monitoring for Grid Voltage
    • 4.9.3  Grid Monitoring for Power Frequency
    • 4.9.4  Grid Connection after Correction of Error
    • 4.9.5  Setting the Medium Voltage
    • 4.9.6  Configuring the Decoupling Protection Ramp
• 5 Insulation Monitoring
  • 5.1  Switching the Remote GFDI on
  • 5.2  Insulation Monitoring Device
    • 5.2.1  Overview of Display and Control Elements
    • 5.2.2  Switching between the Main Menu and Standard Operation
    • 5.2.3  Selecting used PV Modules
  • 5.3  Combining GFDI and Insulation Monitoring Device
• 6 External Grid Monitoring Relay
  • 6.1  Overview of Display and Control Elements
  • 6.2  Display Messages
  • 6.3  Configuration
    • 6.3.1  Switching into Configuration Mode
    • 6.3.2  Displaying the Basic Settings
    • 6.3.3  Access for Configuration
    • 6.3.4  Entering Parameters
    • 6.3.5  Monitoring
    • 6.3.6  Overvoltage Monitoring
    • 6.3.7  Undervoltage Monitoring
    • 6.3.8  Overfrequency Monitoring
    • 6.3.9  Underfrequency Monitoring
  • 6.4  Relay Configuration
• 7 Troubleshooting
  • 7.1  Identifying Errors
  • 7.2  Types of Failures and Warnings
  • 7.3  Warnings
  • 7.4  Interferences
  • 7.5  Events
  • 7.6  Confirming Errors
• 8 Sunny Central Control Measurement Channels
• 9 Parameters
  • 9.1  Parameter Overview
  • 9.2  Red.effect.pow.
  • 9.3  Outp.react.pow.
  • 9.4  Grid Decoupling / Voltage
  • 9.5  Grid Decoupling / Power Frequency
  • 9.6  Grid Connection
  • 9.7  Mpp Limit. Val.
  • 9.8  Mpp Tracking
  • 9.9  Start Requiremt
  • 9.10  Shut-down Requ.
  • 9.11  Grid Monitor
  • 9.12  Other
• 10 Contact