Document Outline

• Battery Cabinet Precautions
  • Contacting Liebert for Support
• IMPORTANT SAFETY INSTRUCTIONS
• Save These Instructions
• 1.0 Introduction
  • 1.1 General Description
    • Figure 1 Typical UPS system one-line diagram
  • 1.2 Modes of Operation
    • 1.2.1 Normal Mode
    • 1.2.2 Bypass Mode
    • 1.2.3 Battery Mode
    • 1.2.4 Maintenance Bypass
  • 1.3 Options
• 2.0 Operation
  • 2.1 Features
    • Figure 2 Main component locations
    • Figure 3 Main Display Screen, typical
    • Figure 4 Mimic display
    • Figure 5 Monitor/mimic display example: Normal power flow
    • Figure 6 Monitor/mimic display example: Utility fail
    • Figure 7 Monitor/mimic display example: Load on bypass, UPS On
    • Figure 8 Monitor/mimic display example: Load on bypass, UPS module off
  • 2.2 Touchscreen Navigation
    • 2.2.1 Main Display Screen
      • Figure 9 Menu tree
    • 2.2.2 Configurations Menu
      • Rating
        • Figure 10 Rating Parameters
      • User Settings
        • Figure 11 System Settings parameters
      • Adjustable Setpoints
        • Figure 12 Adjustable setpoints parameters
        • Figure 13 Battery Management Parameters
      • Event Management
        • Figure 14 Typical Event Management Parameters
    • 2.2.3 Status Reports Menu
    • 2.2.4 Startup Menu
    • 2.2.5 Shutdown Menu
      • Figure 15 Shutdown menu
      • Figure 16 UPS shutdown popup
      • Figure 17 System shutdown popup
    • 2.2.6 Transfer Menu
      • Figure 18 Transfer/retransfer commands
    • 2.2.7 Battery Management Menu
      • Figure 19 Time remaining display
      • Figure 20 Battery cycle monitor
      • Figure 21 Battery cycle monitor summary
      • Figure 22 Battery cycle monitor—clear log
    • 2.2.8 Metering
    • 2.2.9 Help
    • 2.2.10 Reset
    • 2.2.11 Silence
  • 2.3 Modes of Operation
    • 2.3.1 Load on Bypass
      • Figure 23 Load on bypass (UPS not available)
    • 2.3.2 OK to Transfer
      • Figure 24 Load on bypass, UPS available
      • Figure 25 Load on UPS, bypass available
    • 2.3.3 Input Power Failure—Load on Battery
      • Figure 26 Input power fail, load on battery
    • 2.3.4 Off Battery
      • Figure 27 Load on UPS, battery not available
    • 2.3.5 Emergency Module Off
      • Figure 28 Emergency modules off
    • 2.3.6 Remote Emergency Power Off
      • Figure 29 Remote emergency power off
  • 2.4 Manual Procedures
    • 2.4.1 Startup Procedure
      • Figure 30 Startup commands
    • 2.4.2 Load Transfer Procedures
      • Transfer Procedure
      • Re-Transfer Procedure
    • 2.4.3 Maintenance Bypass Load Transfers
      • Figure 31 UPS with two-breaker bypass cabinet
      • Maintenance Bypass Load Transfers—If Load is on UPS Bypass
      • Maintenance Bypass Load Transfers—If Load is on Maintenance Bypass
  • 2.5 Shutdown Procedures
    • 2.5.1 Module Shutdown Procedure
  • 2.6 Automatic Operations
    • 2.6.1 Overloads (Without Transfer)
      • Figure 32 Current-versus-time curves of overload capacity
    • 2.6.2 Automatic Transfers to Bypass (Overload Condition)
    • 2.6.3 Automatic Transfers to Bypass, UPS System Faults
    • 2.6.4 Automatic Retransfers to UPS
• 3.0 Maintenance
  • 3.1 Safety Precautions
  • 3.2 Liebert Services
    • 3.2.1 Professional Startup
      • Maintenance Agreements: The Signature Program
      • Training
      • Warranties
  • 3.3 Routine Maintenance
    • 3.3.1 Record Log
    • 3.3.2 Air Filters
    • 3.3.3 Limited Life Components
      • Table 1 UPS component service life
  • 3.4 Battery Maintenance
    • 3.4.1 Battery Safety Precautions
      • Matching Battery Cabinets—Optional
        • Table 2 Battery voltage, nominal and float
        • Table 3 Battery retorque values
      • Rack-Mounted Batteries
    • 3.4.2 Torque Requirements
      • Table 4 Torque specifications, unless otherwise labeled
  • 3.5 Detecting Trouble
  • 3.6 Reporting a Problem
  • 3.7 Corrective Actions
  • 3.8 Upstream Feeder Circuit Breaker Setting Inspections
• 4.0 SPECIFICATIONS
  • 4.1 Battery Operation
  • 4.2 Environmental Conditions
    • Table 5 Environmental specifications
    • Notes on Environmental Specifications
      • Table 6 Electrical specifications
• Appendix A - UPS Alarm and Status Messages
  • Table 7 Liebert NXL alarm and status messages