AC Power For Business-Critical Continuity
Liebert NX
User Manual 50 and 60 Hz, 30-200kVA
Page
TABLE OF CONTENTS
1.0 SINGLE MODULE UPS INSTALLATION
2.0 BATTERY INSTALLATION
4.0 EXTERNAL OPTIONAL CABINETS
3.0 UPS MULTI-MODULE INSTALLATION
8.0 OPERATOR CONTROL PANEL AND DISPLAY
7.0 OPERATING PROCEDURES
9.2 Communication and Monitoring
9.0 OPTIONS-FOR ASSEMBLY INSIDE THE UPS CABINET
10.0 TECHNICAL SPECIFICATIONS
9.1 Protection
FIGURES
Figure 47 Front view doors open-60-80kVA NX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Figure 48 Cable terminal layout-60-80kVA NX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 Figure 49 General arrangement-100-120kVA NX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 Figure 50 Front view, door open-100-120kVA NX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 Figure 51 Parallel logic board location-100-120kVA NX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 Figure 52 Cable terminal layout-100-120kVA NX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Figure 53 General arrangement-140-200kVA NX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Figure 54 Front view, door open-140-200kVA NX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Figure 55 Parallel logic board location-140-200kVA NX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Figure 56 Cable terminal layout-140-200kVA NX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Figure 57 Optional external Maintenance Bypass Cabinet, 600mm wide . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Figure 58 Optional external Maintenance Bypass Cabinet, 800mm wide . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Figure 59 Optional External Maintenance Bypass Cabinet, 850mm wide . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Figure 60 Cabling diagram, 30-200kVA, MBP-T cabinet, configuration 1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . 72 Figure 61 Cabling diagram, 30-200kVA, MBP-T cabinet, configuration 1.1.3 . . . . . . . . . . . . . . . . . . . . . . . . 73 Figure 62 Cabling diagram, 30-200kVA, MBP-T cabinet, configuration 1.1.5 . . . . . . . . . . . . . . . . . . . . . . . . 74 Figure 63 Single unit block diagram with split-bypass input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Figure 64 1+N multi-module UPS with external maintenance bypass switch . . . . . . . . . . . . . . . . . . . . . . . 77 Figure 65 Example of configuration for single UPS with external Maintenance Bypass Cabinet
TABLES
Dear Customer
Figure i Model number nomenclature
Example NXA0A0200U =
200kVA module for Europe and Middle East, 400V/230V output
Page
Back-Feed Protection Notice
SAFETY PRECAUTIONS
Conformity and Standards
For more details, see 10.0 - Technical Specifications
Battery Voltage Exceeds 400VDC
User-Serviceable Parts
Professional Installation Required
1.0 SINGLE MODULE UPS INSTALLATION
1.1 Introduction
1.2 Preliminary Checks
1.3.3 Storage
1.3.2 External Battery Room
1.3 Location
1.3.1 UPS Room
1.4.3 60-200kVA UPS
1.4 Positioning
1.4.1 System Cabinets
1.4.2 30 to 40kVA UPS
1.4.7 Final Positioning
1.4.6 Access
1.5 External Protective Devices
1.4.5 Clearances
1.5.3 UPS Output
1.5.2 External Battery
1.5.1 Rectifier and Bypass Input
Earth Leakage RCD
1.6 Power Cables
Maximum steady state AC and DC currents
Distance from floor to connection point on the equipment
Split-Bypass Connections
1.6.1 Cable Termination
Frequency Converter Mode
Common Input Connections
Internal UPS Battery Connection 30/40kVA only
Hazardous Battery Terminal Voltage 480VDC
Output System Connections
1.7.1 Monitor Board Features
1.7 Control Cables and Communication
Figure 2 Monitoring board U2 auxiliary terminal block detail
X3 IN DRY Environmental, Battery Ground Fault and Generator Contacts
X3 Ancillary Control and Alarms
1.8 Dry Contacts
1.8.1 Input Dry Contacts
Table 4 Maintenance bypass cabinet interface
1.8.2 Maintenance Bypass Cabinet Interface
1.8.3 External Circuit-Breaker Interface
Table 5 External circuit-breaker interface
Figure 5 EPO wiring for firmware M200 or later J28
1.8.5 Emergency Power Off Input
1.8.4 Output Dry Contacts
Figure 4 Output dry contacts and EPO wiring for firmware before M162
EPO input contact relays
X5 Auxiliary DC Power Output
X7 External Battery Temperature Detector Interface
X6 Analog Input Interface
1.8.6 External Bypass Switch Interlock
Serial Ports RS232-1 and RS232-2
Intellislot Web Browser, SNMP, ModBus and Relay Cards Interface
2.1 Introduction
2.0 BATTERY INSTALLATION
Hazardous battery voltage present behind covers
2.2 Safety
2.3 Battery Cabinet
2.3.1 Introduction
2.3.5 Circuit Breaker Features
2.3.2 Temperature Considerations
2.3.3 Dimensions
2.3.4 Weight
2.3.7 Cable Entry
2.3.6 Moving the Battery Cabinets
55 630
Battery Installation
1600
566,5
Battery Installation
Front
Front Front
Figure 7 Narrow battery cabinet with top cable entry location
Bottom View
Side View
Front View
Top View
265 150 270
Bottom View Front View
Figure 9 Wide battery cabinet with bottom cable entry location
Battery Installation
Output
Battery Installation
116 Front
Figure 11 Large battery cabinet dimensions
Battery Installation
Top View
Fuses alternative to BCB Output busbar connections Battery
Battery Installation
Circuit Breaker BCB controller board
Battery Installation
Figure 13 SENXA0NBCN4LCB.eps
BCB125/200A
Layer
Battery Installation
Figure 14 SENXA0NBCN4LF
Layer
Layer
Battery Installation
Figure 15 SENXA0NBCN5LCB
Layer
Layer Layer Layer
Battery Installation
Layer
Layer
SPACE BCB
Battery Installation
Figure 17 SENXA0NBCWXX3LCB
UPS TO UPS TO
Battery Installation
Figure 18 SENXA0NBCWXX3LF
SPACE BCB
Battery Installation
Figure 19 SENXA0NBCWXX4LCB2x4
SPACE
directly
Figure 20 SENXA0NBCWXX4LCB4x2
SPACE
not needed
PP120/180-RED
Anderson connector
Anderson connector
SENXA0NBCWXX4LF2x4
Battery Installation
Figure 22 SENXA0NBCWXX4LF4x2
W006
2.4.1 Connection Principles
2.4 Battery Power Cables
2.4.3 Connecting the Battery
2.4.4 Battery Room Design
For details, refer to 1.7 - Control Cables and Communication
2.5 Battery Control
UPS-circuit breaker configurations
2.6 Battery Circuit Breaker Box
Circuit Breaker Box
Figure 24 Battery circuit breaker box-30-120kVA and 140-200kVA
Table 10 Battery circuit breaker box legend
Battery Installation
Figure 25 Battery circuit breaker box connection
2.6.1 Battery Temperature Sensor-Optional
Cable W3 L=30m is packed with the BCB box
Cable W3 L=5m is packed with the temperature sensor
Type W3 L = 5m
Type W3 L = 30m
UPS1
3.0 UPS MULTI-MODULE INSTALLATION
3.1 General
Figure 28 Emergency power off connections UPS2
3.2 Paralleled UPS Modules
3.2.1 Cabinet Installation
Refer to the instructions in 1.0 - Single Module UPS Installation
3.2.3 Power Cables
Input Distribution
3.2.2 External Protective Devices
3.3.2 External Protective Devices
3.3.1 Cabinet Installation
3.3 Hot-Standby UPS Modules
3.2.4 Control Cables Intermodule Control
3.3.3 Power Cables
Input Distribution Upstream
Downstream
3.4.2 External Protective Devices
3.4.1 Cabinet Installation
3.4.3 Power Cables
3.4 Dual Bus System
3.4.5 Extended Dual Bus Synchronization Option DBS Interface Box
3.4.4 Control Wires
4.1 External Maintenance Bypass Cabinets
4.2 Interlock with UPS Module
4.0 EXTERNAL OPTIONAL CABINETS
4.3 Isolation Transformer Option
4.4 Top Cable Entry Option
Figure 38 Dual input external isolation transformer cabinet
Figure 39 Output external isolation transformer cabinet
5.0 INSTALLATION DRAWINGS
Installation Drawings
Figure 40 Electrical connections
Installation Drawings
4 Adjustable fixing feet 5 Seismic anchors Optional 6 Cable entry
7 Fans 8 Operator control and display panel All dimensions are in mm
1 Air inlet grille 2 Air outlet grille 3 Castors for manoevring
2 Maintenance Bypass Switch-Q3
Installation Drawings
Internal battery trays behind cover 5x 159 x 364 x 685mm HWD
1 Output Switch-Q5
All dimensions are in mm
Installation Drawings
4 Battery connections + 4.1 to internal battery
4.2 to external battery 5 Earth
Figure 44 Location of parallel logic board M3 and options-30-40kVA NX
Installation Drawings
2 & 2a. Battery Ground Fault detection, optional
3. Battery start interface, optional
120.5 685
BLUE
Figure 45 Internal battery layout and connections-30-40kVA NX
Installation Drawings
1 Air inlet grille 2 Air outlet grille 3 Castors for manoevring
4 Adjustable fixing feet 5 Seismic anchors Option 6 Cable entry
7 Fans 8 Operator control and display panel All dimensions are in mm
Installation Drawings
Figure 47 Front view doors open-60-80kVA NX
Installation Drawings
1 Parallel logic board 2 Monitor board 3 Battery start Interface
4 and 4a Battery Ground Fault detection optional
Figure 48 Cable terminal layout-60-80kVA NX
Top view
3 Castors 4 Adjustable fixing feet
Front view
Side view
Figure 50 Front view, door open-100-120kVA NX
Installation Drawings
1 Input switch Q1 2 Bypass switch Q2 3 Maintenance bypass switch Q3
4 Output switch Q5 5 Monitor board U2
Figure 53 General arrangement-140-200kVA NX
Adjustable fixing feet
Installation Drawings
Figure 52 Cable terminal layout-100-120kVA NX
Figure 55 Parallel logic board location-140-200kVA NX
Installation Drawings
Parallel Cable
Figure 54 Front view, door open-140-200kVA NX
N1 U1 V1 W1 Main Input
U2 V2 W2 N3 OutputBattery
Installation Drawings
Figure 56 Cable terminal layout-140-200kVA NX
Front View Side View
Figure 57 Optional external Maintenance Bypass Cabinet, 600mm wide
Installation Drawings
Top View
View
Top View
Front View
Bottom
Figure 59 Optional External Maintenance Bypass Cabinet, 850mm wide
Installation Drawings
Front View
Installation Drawings
Figure 60 Cabling diagram, 30-200kVA, MBP-T cabinet, configuration
Installation Drawings
Figure 61 Cabling diagram, 30-200kVA, MBP-T cabinet, configuration
Installation Drawings
Figure 62 Cabling diagram, 30-200kVA, MBP-T cabinet, configuration
Maintenance Bypass Isolator Q
6.1 Introduction
6.0 OPERATION
Figure 63 Single unit block diagram with split-bypass input
6.1.5 Redundant Control Power Supply Board
6.1.2 Static Transfer Switch
6.1.3 Battery Circuit Breaker
6.1.4 Battery Temperature Compensation
6.2.1 Features of NX Multi-Module UPS Configurations
6.2 Multi Module UPS-1+N
Distribution Cabinet
6.3 Modes of Operation
6.3.1 Normal Mode
6.3.2 Battery Mode Stored Energy Mode
6.3.3 Auto-Restart Mode
6.3.7 Parallel Redundancy Mode System Expansion
6.3.4 Bypass Mode
6.3.5 Maintenance Mode Manual Bypass
6.3.6 ECO Mode Single UPS Only
6.4.1 Normal Function
6.4 Battery Management-Set During Commissioning
6.5 Battery Protection settings by commissioning engineer
Battery Self-Test and Self-Service
7.2 Startup in Normal Mode
7.0 OPERATING PROCEDURES
7.1 Introduction
Mains Voltage will be applied to UPS output terminals
7.3 Startup into ECO Mode
7.4 Battery Test Mode Procedures
7.4.1 Test Procedure
Risk of Load Interruption
7.6 Maintenance Bypass Procedure and UPS Shutdown
7.5.1 UPS Self-Test Procedure
7.5 UPS Self-Test
Hazardous Voltage at UPS terminals
Do not press any remote EPO button
7.7.1 Multi-Module Systems With External Output CB1
7.7 Isolation of One Module in a Multi-Module System
Hazardous Battery Voltage
7.7.2 Multi-Module System Without External Output Circuit Breaker
7.8 Insertion of One Module in a Multi-Module System
7.9 Shutdown Procedure-Complete UPS and Load Shutdown
7.10 Emergency Shutdown With EPO
Except in an emergency situation, do not press any remote EPO button
7.12 Auto Restart
7.15 Command Password
7.13 Language Selection
7.14 Changing the Current Date and Time
Table 12 UPS control and display panel components
8.1 Introduction
8.0 OPERATOR CONTROL PANEL AND DISPLAY
Figure 67 UPS control and display panel
Battery indicator-2
8.1.1 Mimic Power Flow
8.1.2 Audible Alarm Buzzer
Rectifier indicator-1
Figure 68 Graphic LCD monitor windows and keypad
8.1.3 Direct Access Push Buttons Keys
8.1.4 LCD Monitor and Menu keys
Table 20 Menu key Icons and their meaning
Figure 69 Menu tree
Operator Control Panel and Display
history log
Explanation
8.1.5 Detailed Description of Menu Items
Table 21 UPS system window
Description
Operator Control Panel and Display
Table 22 Descriptions of UPS menus and data window items continued
Freshening Charge
Stop Freshening Charge
8.2 All Status and Event Messages Displayed on the UPS Front Panel
Current Record Window
UPS messages
Operator Control Panel and Display
UPS messages
Operator Control Panel and Display
UPS messages
UPS messages
Operator Control Panel and Display
Prompt to press “enter” key to acknowledge that the UPS will be disconnected from
Operator Control Panel and Display
UPS messages
8.3 Prompt Pop-Up Windows
Table 24 Prompt windows, meanings
Operator Control Panel and Display
Figure 70 Help screen
8.4 Dynamic Energy Flow Chart and UPS Help Screen
8.5 Default Screen Saver
Figure 71 Default screen
9.1.1 Redundant Back-Feed Protection
9.0 OPTIONS-FOR ASSEMBLY INSIDE THE UPS CABINET
9.1.4 Battery Start Facility
9.1 Protection
Table 26 Bypass current sharing inductors-dimensions, values
Battery Cabinet
9.1.5 Bypass Current Sharing Inductors
Figure 72 Battery Start Option for UPS with external battery
Output
Static Switch
Figure 73 Bypass current sharing inductances
Input
Batt-N
Battery
9.1.6 Battery Ground Fault Detection
BCB or
Sems s crew
9.1.8 Redundant Fan for Power Module
9.1.7 Replacing Dust Filters
Bracket
9.2 Communication and Monitoring
Options-For Assembly Inside the UPS Cabinet
Figure 76 Communication bays and cable location
9.2.1 OC Web Card - SNMP/HTTP Network Interface Card
Figure 78 OC Web Card battery data summary
Figure 77 OC Web Card data summary window
Table 28 Relay Card pin configuration
9.2.2 Relay Card
9.2.3 Multiport-4 Card
Figure 79 SiteNet MultiPort4 Intellislot pin configuration
Table 30 SiteNet MultiPort4 Intellislot pin assignment
9.2.5 Remote Alarm Monitor
9.2.4 OC485 Web Card - Modbus, Jbus, IGM Net
Figure 80 OC485 Web card Table 31 NX communication options
Table 32 Compliance with European, international standards
10.0 TECHNICAL SPECIFICATIONS
10.1 Conformity and Standards
Table 33 Environmental characteristics
Table 36 Rectifier AC input mains
Table 35 Mechanical characteristics
Technical Specifications
Table 34 Efficiency, AC/AC
Technical Specifications
Table 37 Intermediate DC circuit, battery
Table 38 Inverter output to critical load
Technical Specifications
Table 39 Bypass input
Technical Specifications
from
Ensuring The High Availability
0f Mission-Critical Data And Applications
that