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