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installation manual Liebert NX UPS, Installation Manual-10-30kVA, 208V,60Hz
Models:
10-30kVA
208V
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Specs
6.4UPS Electrical Characteristics
Install
Dimension
Maintenance
2.1.2UPS Input Configuration
EPO wiring for firmware M200 or later
Cabling Procedure
Battery Cabinet Precautions
5.1.2DBS Cable and Settings
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Contents
Installation Manual-10-30kVA, 208V,60Hz
Liebert NX UPS
AC Power For Business-Critical Continuity
Page
TABLE OF CONTENTS
4.0 MAINTENANCE BYPASS CABINET
FIGURES
TABLES
SAVE THESE INSTRUCTIONS
IMPORTANT SAFETY INSTRUCTIONS
Battery Cabinet Precautions
Risk of electrical shock
GLOSSARY OF SYMBOLS
AC input AC output
Requests the user to consult the manual
1.1External Inspections
1.0INSTALLATION
1.2Internal Inspections
Battery Location
1.2.1Storing for Delayed Installation
1.3.1Identification
1.4.1Positioning the UPS
1.6Mechanical Considerations
1.5Considerations in Moving the NX
1.4.3Special Considerations for 1+N Systems
Final Position
1.6.1Clearances
1.6.2Floor Installation
1.6.3Cable Entry
10-30kVAUPS
Liebert NX
Liebert NX
Liebert NX
1.6.4Optional Cabinets
2.0ELECTRICAL CONNECTIONS
2.1Power Cabling
2.1.1Cable Rating
Lug Size and Torque Requirements
2.1.3Cabling Guidelines
2.1.2UPS Input Configuration
Electrical Connections
2.1.4Cable Connections
Figure 4 Battery fuses and connections
Figure 3 Input busbars
2.1.6Protective Devices
2.1.5Safety Ground
UPS Rectifier and Bypass Input Supply
System Output
Common Input Connections
2.1.7 Cabling Procedure
Dual Input Connections
Electrical Connections
2.2.1Monitor Board Features
Internal UPS Battery Connections
2.2Control Cables
2.3.1Input Dry Contacts
2.3Dry Contacts
Table 2 Maintenance bypass cabinet interface
2.3.2Maintenance Bypass Cabinet Interface
2.3.3BCB Box Interface
Table 3 BCB box interface
2.3.5EPO Input-Optional Firmware Before M200
2.3.4Output Dry Contacts
Table 4 Output dry contact relays
Table 5 EPO input contact relays
Firmware M200 or Later
Figure 11 EPO wiring for firmware M200 or later
EPO - NO EPO - NC
EPO input contact relays
3.0BATTERY INSTALLATION
3.2Safety
3.1Introduction
3.3UPS Batteries
3.4.1Matching Battery Cabinets
3.4External Battery Cabinet Installation
3.4.2Connecting the Batteries
Top cable entry Battery trays
Battery Installation
Battery traysupport
Battery tray
Battery Installation
3.4.3Installation Considerations
Battery Installation
Figure 16 Battery tray and supports
3.5Non-StandardBatteries
3.4.4Connecting the Battery Cabinet to the UPS
4.0MAINTENANCE BYPASS CABINET
4.1Bypass Switch
4.2Normal UPS Mode
4.6Cable Installation
4.4Maintenance Mode
4.6.1Wiring Preparation
4.3Bypass Mode
4.6.3Input/Output Wiring
4.6.2Power Cable Installation
Maintenance Bypass interconnection
Maintenance Bypass Cabinet
Maintenance bypass control wire location
4.7Bolting Cabinets Together
Maintenance Bypass Cabinet
5.1Load Bus Synchronization
5.1.2DBS Cable and Settings
5.0OPTIONS
5.1.1Performance Requirements
5.2.2Features of Parallel System
5.2Configuring Parallel System Operation
5.2.1General
5.2.3Operating Principles Redundancy Paralleling
5.3.2Cabinet Installation
5.2.4Operation Modes Summary
5.3.1Conditions for Parallel System
Auxiliary Dry Contact Cables
5.3.5Power Cables
Appendix
Input Distribution
X2 3 X2 4 Monitor Board
5.3.7Emergency Power Off EPO
X2
X2
Available battery circuit breaker boxes
5.4Battery Circuit Breaker Box
Options
Figure 27 Battery circuit breaker box connections
6.0UPS SPECIFICATIONS
6.3UPS Mechanical Characteristics
6.1Conformity and Standards
6.2UPS Environmental
UPS Specifications
6.4UPS Electrical Characteristics
Table 10 UPS terminal
Table 12 Rectifier input power
6.4.1 Battery Manufacturers and Models
UPS Specifications
6.4.2 Input Rectifier
6.4.4 Inverter Output
UPS Specifications
Table 14 Inverter output
6.4.5 Bypass Input Table 15 Bypass input
7.0INSTALLATION DRAWINGS
Figure 30 Main components-typicalunit
Installation Drawings
Front View
with door open
Figure 31 Cable connections
Figure 32 Location of internal batteries
Installation Drawings
MIDDLE LAYER
TOP LAYER
BOTTOM LAYER
Table 16 Liebert -suppliedinterconnect wiring
Figure 34 Battery cabinet interconnection
Installation Drawings
Installation Drawings
Figure 35 Maintenance Bypass interconnection
1+1 Parallel Cabinet
Table 18 Liebert-suppliedinterconnect wiring
Front View Without Front Door and Panel
Load AC Connection
EH HA G C B D D G E H
FROM
Installation Drawings
CONDUCTORS
setting the cabinets in their installed location
1 + N Parallel Cabinet
Installation Drawings
1 + N Cabinet Interior View
front view without front door and panel
Installation Drawings
Installation Drawings
Installation Drawings
Installation Drawings
SlimLine
Specifications and Technical Data
8.0SPECIFICATIONS AND TECHNICAL DATA
8.1Lug Size and Torque Requirements
Specifications and Technical Data
Specifications and Technical Data
Specifications and Technical Data
Specifications and Technical Data
Specifications and Technical Data
Specifications and Technical Data
Specifications and Technical Data
Specifications and Technical Data
Specifications and Technical Data
Table 32 Maintenance bypass cabinet lug sizes
Table 34 Maintenance Bypass Cabinet weights
Table 33 Battery cabinet physical characteristics
Specifications and Technical Data
Table 35 Maintenance bypass cabinet dimensions
Specifications and Technical Data
Specifications and Technical Data
Page
0f Mission-CriticalData And Applications
Ensuring The High Availability
AC Power
For 
AC Power For 
Liebert NX™ UPS
Installation 