Document Outline

• 1 Notes on this Manual
  • 1.1 Target Group
  • 1.2 Validity
  • 1.3 Additional Information
  • 1.4 Structure of this Documentation
• 2 Safety
  • 2.1 Appropriate Usage
  • 2.2 Safety Instructions
• 3 The Sunny Central
  • 3.1 System Overview
  • 3.2 The Design of the Sunny Central
  • 3.3 Location of the Safety Notices
  • 3.4 Identifying the Sunny Central
  • 3.5 Firmware
• 4 Unpacking
  • 4.1 Unpacking and Inspection
  • 4.2 Scope of Delivery
  • 4.3 Storage
• 5 Transport and Installation
  • 5.1 Choosing the Installation Site
    • 5.1.1 Dimensions and weight
    • 5.1.2 Ambient Conditions
    • 5.1.3 Minimum Clearance
    • 5.1.4 Characteristics of the Base
  • 5.2 Preparation of the Base
    • 5.2.1 Position of the Mounting Holes
    • 5.2.2 Size of the Mounting Holes
    • 5.2.3 Drilling Holes into the Base
  • 5.3 Transporting the Sunny Central
    • 5.3.1 Center of Gravity of the Sunny Central
    • 5.3.2 Equipment for Transport
  • 5.4 Transporting the Sunny Central with a Crane
    • 5.4.1 Uninstalling the Roof of the Sunny Central
    • 5.4.2 Moving the Sunny Central with a Crane
    • 5.4.3 Installing the Roof of the Sunny Central
  • 5.5 Installing the Sunny Central
    • 5.5.1 Removing the Kick Plates from the Sunny Central
    • 5.5.2 Attach the Sunny Central to the base
    • 5.5.3 Install Ventilation Plates
    • 5.5.4 Attaching the Kick Plates to the Sunny Central
• 6 Attaching the Conduits
  • 6.1 Insert cables from the right into the Sunny Central
  • 6.2 Insert cables from below into the Sunny Central
• 7 Connecting Optional Communication Devices
  • 7.1 Position of the Communication Devices
  • 7.2 Connecting the Sunny SensorBox (optional)
    • 7.2.1 Connecting the Data Cable of the Sunny SensorBox
  • 7.3 Sunny WebBox (optional)
    • 7.3.1 Installing the WebBox in the Sunny Central
    • 7.3.2 Connecting the Sunny WebBox in the Sunny Central
    • 7.3.3 Connecting the Cable to the Sunny WebBox
    • 7.3.4 Termination
• 8 Electrical Connection
  • 8.1 Safety
  • 8.2 Connection in Control and Interface Cabinet
    • 8.2.1 Connection Area for Analog inputs and auxiliary power
    • 8.2.2 Connection Area of the Low Temperature Option
    • 8.2.3 Requirements
    • 8.2.4 Optional External 3-phase voltage supply (3AC, 208/120V, 60Hz)
    • 8.2.5 Connecting the external 208 V power supply
    • 8.2.6 Connecting Analog input setting cables
    • 8.2.7 Connecting Cables for the Low Temperature Option
  • 8.3 Connection Area for AC, DC cables and ground
  • 8.4 Connection Options
    • 8.4.1 DC Fuses
    • 8.4.2 Grounding the PV modules
    • 8.4.3 Cable connection
    • 8.4.4 Cable requirements for DC, AC and PE connection
    • 8.4.5 Additional cable requirements for DC connection
  • 8.5 Connecting DC cables
    • 8.5.1 Connecting DC cables with screw terminals
    • 8.5.2 Connecting DC cables with cable lugs
  • 8.6 Connection of the PV Modules
    • 8.6.1 PV Modules: DC− Connection at Negative Grounding and DC+ Connection at Positive Grounding
    • 8.6.2 PV Modules: DC+ Connection at Negative Grounding and DC− Connection at Positive Grounding
  • 8.7 AC Connection
    • 8.7.1 Additional cable requirements for AC connection
    • 8.7.2 Arranging AC cables
    • 8.7.3 Connecting AC cables to busbars
    • 8.7.4 AC Connection
  • 8.8 Connecting protective earth
    • 8.8.1 Additional cable requirements for PE connection
    • 8.8.2 Connecting protective earth to Terminal Blocks
    • 8.8.3 Connecting protective earth to busbar
• 9 Commissioning
  • 9.1 Visual Inspection of the Sunny Central
  • 9.2 Switching the Sunny Central On
    • 9.2.1 Check the Ventilation
• 10 Opening the Sunny Central
  • 10.1 Opening the Control and Interface Cabinet
  • 10.2 Opening the Power Cabinet
• 11 Technical Data
  • 11.1 Measurement Accuracy
  • 11.2 Torques and Cable Sizes
• 12 Contact
• 13 Appendix - Celsius to Fahrenheit conversion