Document Outline

• Important Safety Instructions
• SAVE THESE INSTRUCTIONS
  • Battery Cabinet Precautions
• Glossary of Symbols
• 1.0 Installation
  • 1.1 External Inspections
  • 1.2 Internal Inspections
    • 1.2.1 Storing for Delayed Installation
  • 1.3 Preliminary Checks
    • 1.3.1 Identification
  • 1.4 UPS Location
    • 1.4.1 Positioning the UPS
    • 1.4.2 Environmental Considerations
      • Battery Location
    • 1.4.3 Special Considerations for 1+N Systems
  • 1.5 Considerations in Moving the NX
    • Final Position
  • 1.6 Mechanical Considerations
    • 1.6.1 Clearances
    • 1.6.2 Floor Installation
    • 1.6.3 Cable Entry
      • 10-30kVA UPS
      • System Composition
    • 1.6.4 Optional Cabinets
      • Figure 1 Cabinet arrangement
• 2.0 Electrical Connections
  • 2.1 Power Cabling
    • 2.1.1 Cable Rating
      • Lug Size and Torque Requirements
    • 2.1.2 UPS Input Configuration
      • Figure 2 Single module block diagram-dual input configuration
    • 2.1.3 Cabling Guidelines
    • 2.1.4 Cable Connections
      • Figure 3 Input busbars
      • Figure 4 Battery fuses and connections
    • 2.1.5 Safety Ground
      • Figure 5 Ground and neutral busbar connections
    • 2.1.6 Protective Devices
      • UPS Rectifier and Bypass Input Supply
      • System Output
    • 2.1.7 Cabling Procedure
      • Common Input Connections
      • Dual Input Connections
      • Output System Connections-Ensure Correct Phase Rotation
      • Internal UPS Battery Connections
  • 2.2 Control Cables
    • 2.2.1 Monitor Board Features
      • Figure 6 Monitor board U2
      • Figure 7 Auxiliary terminal block detail (Monitoring Board)
  • 2.3 Dry Contacts
    • 2.3.1 Input Dry Contacts
      • Figure 8 Input dry contacts
      • Table 1 Input dry contacts at X3
    • 2.3.2 Maintenance Bypass Cabinet Interface
      • Table 2 Maintenance bypass cabinet interface
    • 2.3.3 BCB Box Interface
      • Table 3 BCB box interface
      • Figure 9 Jumper connection for BCB interface
    • 2.3.4 Output Dry Contacts
      • Figure 10 Output dry contacts and EPO wiring for firmware before M170
      • Table 4 Output dry contact relays
    • 2.3.5 EPO Input-Optional
      • Firmware Before M200
        • Table 5 EPO input contact relays
      • Firmware M200 or Later
        • Figure 11 EPO wiring for firmware M200 or later
        • Table 6 EPO input contact relays
• 3.0 Battery Installation
  • 3.1 Introduction
  • 3.2 Safety
  • 3.3 UPS Batteries
  • 3.4 External Battery Cabinet Installation
    • 3.4.1 Matching Battery Cabinets
    • 3.4.2 Connecting the Batteries
      • Figure 12 Battery cabinet-details
      • Figure 13 Narrow battery cabinet, 27 in. (690mm) - rear view
      • Figure 14 Wide battery cabinet, 57 in. (1488mm) - front view
    • 3.4.3 Installation Considerations
      • Figure 15 Internal cable wiring from battery cabinet to Liebert NX
      • Figure 16 Battery tray and supports
    • 3.4.4 Connecting the Battery Cabinet to the UPS
  • 3.5 Non-Standard Batteries
• 4.0 Maintenance Bypass Cabinet
  • Figure 17 Single UPS with external Maintenance Bypass Cabinet-typical configuration
  • 4.1 Bypass Switch
  • 4.2 Normal (UPS) Mode
  • 4.3 Bypass Mode
  • 4.4 Maintenance Mode
  • 4.5 Locating the Cabinet
  • 4.6 Cable Installation
    • 4.6.1 Wiring Preparation
      • Removing the Cover Plates
        • Figure 18 Maintenance Bypass Cabinet-access plate removed
    • 4.6.2 Power Cable Installation
    • 4.6.3 Input/Output Wiring
      • Figure 19 Maintenance Bypass Cabinet wiring access panel
      • Figure 20 Maintenance bypass control wire location
  • 4.7 Bolting Cabinets Together
• 5.0 Options
  • 5.1 Load Bus Synchronization
    • 5.1.1 Performance Requirements
    • 5.1.2 DBS Cable and Settings
      • Figure 21 Load Bus Synchronization cable connection
  • 5.2 Configuring Parallel System Operation
    • 5.2.1 General
    • 5.2.2 Features of Parallel System
      • Figure 22 1+N system block diagram
    • 5.2.3 Operating Principles
      • Redundancy Paralleling
    • 5.2.4 Operation Modes Summary
  • 5.3 Installing Parallel System
    • 5.3.1 Conditions for Parallel System
    • 5.3.2 Cabinet Installation
    • 5.3.3 Preliminary Checks
    • 5.3.4 Protective Devices
    • 5.3.5 Power Cables
    • 5.3.6 Parallel Control Cables
      • Parallel System Control Cables
        • Figure 23 Connecting '1+N' system parallel control cables
      • Auxiliary Dry Contact Cables
        • Figure 24 Auxiliary dry contact cables for output breaker in multi-module system
        • Figure 25 Dry contacts, multiple UPS modules with distribution panel
    • 5.3.7 Emergency Power Off (EPO)
      • Figure 26 Connecting EPO push button
  • 5.4 Battery Circuit Breaker Box
    • Table 7 Available battery circuit breaker boxes
    • Figure 27 Battery circuit breaker box connections
• 6.0 UPS Specifications
  • 6.1 Conformity and Standards
  • 6.2 UPS Environmental
    • Table 8 Environmental characteristics
  • 6.3 UPS Mechanical Characteristics
    • Table 9 Mechanical characteristics
  • 6.4 UPS Electrical Characteristics
    • Table 10 UPS terminal
    • 6.4.1 Battery Manufacturers and Models
      • Table 11 Approved batteries
    • 6.4.2 Input Rectifier
      • Table 12 Rectifier input power
    • 6.4.3 DC Intermediate Circuit
      • Table 13 DC intermediate circuit
    • 6.4.4 Inverter Output
      • Table 14 Inverter output
    • 6.4.5 Bypass Input
      • Table 15 Bypass input
• 7.0 Installation Drawings
  • Figure 28 Dimensional view- front and left side views
  • Figure 29 Dimensions continued-top and bottom views
  • Figure 30 Main components-typical unit
  • Figure 31 Cable connections
  • Figure 32 Location of internal batteries
  • Figure 33 Battery connections
  • Figure 34 Battery cabinet interconnection
  • Table 16 Liebert -supplied interconnect wiring
  • Figure 35 Maintenance Bypass interconnection
  • Table 17 Liebert-supplied interconnect wiring for Maintenance Bypass Cabinet
  • Figure 36 NX 1+1 parallel cabinet interconnections
  • Table 18 Liebert-supplied interconnect wiring
  • Figure 37 Lineup detail-SlimLine distribution cabinet to NX
  • Table 19 Liebert-supplied interconnect wiring-SlimLine distribution cabinet to NX
  • Figure 38 Lineup detail-1+N Type A connection to NX
  • Table 20 Interconnect wiring-1+N Type A connection to NX
  • Figure 39 Lineup detail-1+N Type A1 connection to NX
  • Table 21 Interconnect wiring-1+N Type A1 connection to NX
  • Figure 40 Lineup detail-1+N Type B connection to NX
  • Table 22 Interconnect wiring-1+N Type B connection to NX
  • Figure 41 Lineup detail-1+N Type B1 connection to NX
  • Table 23 Interconnect wiring-1+N Type B1 connection to NX
  • Figure 42 Lineup detail-1+N Type C connection to NX
  • Table 24 Interconnect wiring-1+N Type C connection to NX
  • Figure 43 Lineup detail-1+N Type C1 connection to NX
  • Table 25 Interconnect wiring-1+N Type C1 connection to NX
  • Figure 44 Lineup detail-1+N Type D connection to NX
  • Table 26 Interconnect wiring-1+N Type D connection to NX
  • Figure 45 SlimLine locations
• 8.0 Specifications and Technical Data
  • 8.1 Lug Size and Torque Requirements
    • Table 27 Torque specifications
    • Table 28 Battery torque rating
    • Table 29 Maintenance bypass cabinet electrical data (single input)
    • Table 30 Maintenance bypass cabinet electrical data (dual input)
    • Table 31 Multi-module bypass cabinet electrical data
    • Table 32 Maintenance bypass cabinet lug sizes
    • Table 33 Battery cabinet physical characteristics
    • Table 34 Maintenance Bypass Cabinet weights
    • Table 35 Maintenance bypass cabinet dimensions
    • Table 36 Multi-module paralleling cabinet dimensions
  • 8.2 Cable Lengths: Floor to Connection Point Inside UPS
    • Table 37 Distance to connection points on the NX UPS