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10-30kVA installation manual
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80 pages, 3 Mb
AC Power
For Business-Critical Continuity
Liebert NX
â„¢
UPS
Installation Manual–10-30kVA, 208V, 60Hz
Contents
Main
Page
TABLE OF CONTENTS
Page
FIGURES
TABL ES
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
!WARNING
Battery Cabinet Precautions
GLOSSARY OF SYMBOLS
!
i
1.0 I
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
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
NX
NX
2.0 ELECTRICAL CONNECTIONS
2.1 Power Cabling
2.1.1 Cable Rating
Lug Size and Torque Requirements
2.1.2 UPS Input Configuration
2.1.3 Cabling Guidelines
2.1.4 Cable Connections
B
2.1.5 Safety Ground
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 ConnectionsEnsure Correct Phase Rotation
Internal UPS Battery Connections
2.2 Control Cables
2.2.1 Monitor Board Features
Figure 7 Auxiliary terminal block detail (Monitoring Board)
2.3 Dry Contacts
The UPS provides input dry contacts and output dry contacts.
2.3.1 Input Dry Contacts
There are several input dry contacts at the X3 slot. Figure 8 Input dry contacts
Table 1 Input dry contacts at X3
2.3.2 Maintenance Bypass Cabinet Interface
2.3.3 BCB Box Interface
2.3.4 Output Dry Contacts
2.3.5 EPO InputOptional Firmware Before M200
Firmware M200 or Later
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 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
Maintenance Bypass Cabinet
25
4.0 MAINTENANCE BYPASS CABINET
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
4.6.2 Power Cable Installation
4.6.3 Input/Output Wiring
Page
4.7 Bolting Cabinets Together
5.0 O
5.1 Load Bus Synchronization
5.1.1 Performance Requirements
5.1.2 DBS Cable and Settings
5.2 Configuring Parallel System Operation
5.2.1 General
5.2.2 Features of Parallel System
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
UPS
Appendix
34
Figure 24 Auxiliary dry contact cables for output breaker in multi-module system
Q1Ext Q2Ext QnExt
Input Distribution
UPS 1
UPS 2
UPS N
To Load
Page
5.4 Battery Circuit Breaker Box
Options
37
Figure 27 Battery circuit breaker box connections
J10.3
Bottom View
Midpoint Busbar Detail
J10.2
6.0 UPS S
6.1 Conformity and Standards
6.3 UPS Mechanical Characteristics
6.2 UPS Environmental
6.4 UPS Electrical Characteristics
Table 10 UPS terminal
6.4.1 Battery Manufacturers and Models
6.4.3 DC Intermediate Circuit
6.4.2 Input Rectifier
Table 11 Approved batteries
Table 12 Rectifier input power
6.4.4 Inverter Output
6.4.5 Bypass Input
Table 14 Inverter output
Table 15 Bypass input
7.0 INSTALLATION DRAWINGS
Figure 29 Dimensions continuedtop and bottom views
Figure 30 Main componentstypical unit
Front View (with door open)
Page
Page
-N+
TOP LAYER MIDDLE LAYER
BOTTOM L AYE R
Page
Page
Figure 36 NX 1+1 parallel cabinet interconnections
Table 18 Liebert-supplied interconnect wiring
1+1 Parallel Cabinet (Front View Without Front Door and Panel)
Page
Page
Page
UPS Module Left Side View (without side panel)
Page
Page
Page
Page
Page
8.0 SPECIFICATIONS AND TECHNICAL DATA
8.1 Lug Size and Torque Requirements
Table 28 Battery torque rating
Table 29 Maintenance bypass cabinet electrical data (single input)
Table 30 Maintenance bypass cabinet electrical data (dual input)
Table 29 Maintenance bypass cabinet electrical data (single input) (continued)
Table 31 Multi-module bypass cabinet electrical data
Table 30 Maintenance bypass cabinet electrical data (dual input)
Page
Page
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Table 32 Maintenance bypass cabinet lug sizes
Table 33 Battery cabinet physical characteristics
Table 32 Maintenance bypass cabinet lug sizes (continued)
Table 34 Maintenance Bypass Cabinet weights
8.2 Cable Lengths: Floor to Connection Point Inside UPS
Table 35 Maintenance bypass cabinet dimensions
Table 36 Multi-module paralleling cabinet dimensions
Table 37 Distance to connection points on the NX UPS
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Ensuring The High Availability 0f Mission-Critical Data And Applications.
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