Document Outline

• Important User Information
• Additional Resources
  • Ch 1 - Introduction
  • Ch 2 - Installation
  • Ch 3 - Communications
  • Ch 4 - Applying Power
  • Ch 5 - Operation
  • Ch 6 - Display Screen
  • Ch 7 - Maintenance
  • Ch 8 - Specifications
• Introduction
  • Introduction
    • Safety Considerations
• Installation
  • Installation
    • System Components
    • System Layout
      • Figure 1 - System layout
    • System Clearance
    • Pre-Installation Configuration
      • Preparing the System for Installation
        • 1. Remove all tan-colored masking dots, blue-colored tape, and all plastic sheets.
        • 2. Remove all eight plastic 13mm hole plugs in the right side of the switchboard cabinet.
        • 3. Remove and save for later step: eight (8) hex-head bolts with lock washer and flat washer in left side of MegaDySC cabinet. [tool required: 9/16- inch wrench or socket]
        • 4. Remove the four (4) 13 mm plastic hole plugs in the right side of the MegaDySC cabinet.
        • 5. Remove and save for later step: four (4)hex-head bolts with lock washer and flat washer in left side of ER storage cabinet. [tool required: 9/16-inch wrench or socket].
    • System Mounting
      • Mechanical Interconnection of Cabinets
        • Figure 2 - Mechanical interconnections between MegaDySC Module, Automatic Bypass Switchboard, and ER Module
      • MegaDySC Floor Mounting
        • Figure 3 - Floor Mounting Detail
    • Electrical Interconnections
    • Electrical Supply and Load Connections
      • 1. Remove the CABLE ENTRY PLATE on the top of the switchboard
      • 2. Open the two right side doors of the switchboard
      • 3. Remove the dead front panel covering the circuit breakers (4 screws) (Refer to Figure 4). Remove the transparent shield
        • Figure 4 - Switchboard covers
        • Figure 5 - Main Power Terminals (front view)
        • Figure 6 - Automatic Bypass Switchboard Terminations and Conduit Landing Areas
      • MegaDySC System Installation Connections Checklist
    • Notes:
• Communications
  • Communications
    • Figure 7 - Customer I/O terminals
    • Remote Diagnostics (TB1 Customer Contacts)
      • Figure 8 - Schematic of Customer Dry Contacts
    • Modbus TCP/IP Communications
    • i-Sense® Voltage Monitor
• Applying Power
  • Applying Power
    • Notes:
• Operation
  • Operation
    • System Description
    • MegaDySC Operation
      • Table 1 - Operational Conditions and Indications
    • Automatic Bypass Switchboard Operation
    • Automatic Bypass Switchboard Operating Instructions
      • Automatic System
      • Manual Transfer to Maintenance Bypass
        • 1. Press green “CLOSE CBB” push button
        • 2. Confirm that red “BYPASS CLOSED” lamp is lit.
        • 3. Press red “OPEN CBI” push button. Output breaker (CBO) will open automatically.
        • 4. Confirm that both CBI and CBO are open.
        • 5. The MegaDySC is now bypassed and isolated for maintenance.
      • Manual Transfer to MegaDySC
        • 1. Confirm green "READY TO CLOSE CBI" lamp is on.
        • 2. Manually close breaker CBI.
        • 3. Confirm that the MegaDySC touchscreen is lit, is green and displays “OK” in the upper left corner.
        • 4. Manually close breaker CBO.
        • 5. Confirm that the screen on the MegaDySC displays “OK”.
        • 6. Press red “OPEN CBB” push button.
        • 7. The MegaDySC system is now providing power to the load.
          • Figure 9 - Schematic diagram of Automatic Bypass Switchboard Power Circuit
    • Transient Voltage Surge Suppressor (TVSS)
    • Troubleshooting Notes
      • Normal Mode
      • Bypass Mode
      • Test Mode
      • Fault Protection
        • CBB and CBO Set Points
        • CBI Set Points
      • Diagnostic Indicators
        • 1. Open static switch (failure in static switch path)
        • 2. Open main input fuse (F1-F2-F3-F4-F5-F6)
        • 3. Overload of static switch (may cause over-current trip in CBI; see Specifications)
        • 4. Over-temperature of static switch heatsink
        • 5. Over temperature of MegaDySC cabinet ambient air
        • 6. Open cabinet door
    • Notes:
• Display Screen
  • Display Screen
    • Overview
      • At installation time perform the following steps to configure your system:
        • Figure 10 - Home Screen
        • Figure 11 - System Configuration
        • Figure 12 - Touch Screen Calibration
        • Figure 13 - Set System Date and Time
    • Home Screen
      • Figure 14 - Home Screen
      • Table 2 - Home Screen Description
      • Mechanical Bypass
        • Figure 15 - Home Screen Mechanical Bypass
    • System Status
      • Figure 16 - System Status Summary
      • Figure 17 - - System Status Waveforms
      • Table 3 - System Status Description
      • Figure 18 - Status Screen Bypass Status
    • Voltage Sag Events
      • Voltage Sag Log
        • Figure 19 - Voltage Sag Log
        • Table 4 - Voltage Sag Log Description
    • Voltage Sag Detail
      • Figure 20 - Voltage Sag Detail
      • Table 5 - Voltage Sag Detail Description
    • Voltage Sag RMS Voltage Charts
      • Figure 21 - RMS Voltage Charts
    • Voltage Sag Notification
      • Figure 22 - Voltage Sag Detected
    • System Events
      • Table 6 - System Event Description
      • Informational
      • Auto-Resetting
      • User Attention
      • Manual-Reset
      • Call Service
      • System Event Log
        • Figure 23 - System Event Log
        • Table 7 - System Event Log Description
    • System Event Detail
      • Figure 24 - System Event Detail
      • Table 8 - System Event Detail
      • System Event Notification
        • Figure 25 - System Fault Detection
        • Figure 26 - System Fault Detection - Cleared
    • System Configuration
      • Figure 27 - System Configuration
    • Model Information
      • Figure 28 - Model Information
      • Table 9 - Model Information
      • Run System Tests
        • Figure 29 - System Tests
      • Diagnostics Mode
• Maintenance
  • Maintenance
    • Preventative Maintenance
      • Monthly Checks
      • 3-6 Month Checks
        • Table 10 - System Event Table
    • Servicing
      • Automatic Circuit Breakers, Safety Interlocks and Stored Energy
    • Fuses
      • Automatic Bypass Switchboard Fuses
      • MegaDySC and ER Cabinet Fuses
        • Table 11 - MegaDySC Fuse Schedule
        • Main Cabinet
    • Notes:
• Specifications
  • Specifications
    • Table 12 - Technical Specifications 800A MegaDySC
    • Table 13 - MegaDySC Heat Loading and Typical Efficiency
    • Table 14 - MegaDySC System Weight