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Liebert
NX UPS System
user manual
NXe 10-30kVA Top View
Models:
NX UPS System
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Specifications
Environmental characteristics
Install
Audible Alarm Buzzer
Default Screen Saver
Indicator State
Connecting the Battery
Maintenance
Rotary switch configurations
Command Password
Page 44
Image 44
Installation Drawings
Figure 23 Location of parallel logic board M3
Battery
Start
Interface
Parallel
Logic
Board
NXe
10-30kVA
Top View
36
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Image 44
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Contents
Liebert NX UPS
Page
Table of Contents
UPS MULTI-MODULEINSTALLATION
Dual Bus System
Operating Procedures
OPTIONS-FORASSEMBLY Inside the UPS Cabinet
Technical Specifications
Operator Control Panel and Display
Figures
Tables
Feature Set for Region Input
Output
Aust/NZ
Options Model Identification
Safety Precautions
Conformity and Standards
User-Serviceable Parts
Battery Voltage Exceeds 400VDC
Introduction
Preliminary Checks
External Battery Room
Location
UPS Room
Storage
Positioning
System Cabinets
2 10 to 30kVA UPS
Moving the Cabinets
External Protective Devices
UPS Output
External Battery
Earth Leakage RCD
Distance from floor to connection point on the equipment
Power Cables
Maximum steady state AC and DC currents
Cable Termination
Common Input Connections
Output System Connections
Monitor Board Features
Control Cables and Communication
X3 Ancillary Control and Alarms
Maintenance Bypass Cabinet Interface
Dry Contacts
Input Dry Contacts
External Circuit-Breaker Interface
Jumper connection for BCB interface
Output Dry Contacts
Output dry contact relays
+12V J13 J21
J28
Emergency Power Off Input
X5 Auxiliary DC Power Output
X7 External Battery Temperature Detector Interface
X6 Analog Input Interface
External Bypass Switch Interlock
Battery Start Facility
Battery Start Button
Serial Ports RS232-1 and RS232-2
Battery Installation
Safety
Hazardous battery voltage present behind covers
Battery Cabinet
Battery Temperature Sensor Optional
Moving the Battery Cabinets
Cable W2 is packed with the temperature sensor
Name W2 L=5m Name W1 L=30m
Battery cabinet bottom cable entry location
General Arrangement Drawings
Bottom cable entry
Battery cabinet internal layout
Item # Item Name
Battery Power Cables
Connection Principles
Battery Control
Connecting the Battery
Battery Room Design
Fitting the Batteries
General
X23 X24 Monitor Board
X24
X21
Distribution Cabinet
Cabinet Installation
Paralleled UPS Modules
Power Cables
External Protective Devices
Hot-Standby UPS Modules
Control Cables Intermodule Control
Input Distribution Upstream
Dual Bus System
Control Wires
Extended Dual Bus Synchronization Option DBS Interface Box
Parallel Board X2-2 X1-1 Parallel System
Parallel Board DBS Cable X2-2 X1-1 Parallel System
Installation Drawings
General arrangement-10-30kVA UPS module
External Battery Input Output Main Input Bypass Input
NXe 10-30kVA Top View
Internal battery layout and connecting-GP12120 F2 12AH/12V
Internal battery layout
Split-Bypass Input
Static Transfer Switch
Battery Temperature Compensation
Socket Outlet
Redundant Control Power Supply Board
Multi Module UPS-1+N
Modes of Operation
Bypass Mode
Maintenance Mode Manual Bypass
ECO Mode Single UPS Only
Parallel Redundancy Mode System Expansion
Normal Function
Battery Management-Set During Commissioning
Battery Protection settings by commissioning engineer
UPS operating modes
Power Switches
Rotary switch configurations
UPS Startup
Start-Up Procedure
Indicator State
Verify Switching Between Operation Modes
Switching the UPS from Normal to Maintenance Bypass
Powering Down the UPS
Powering Down the UPS and Maintaining Power to Load
Emergency Shutdown With EPO
Auto Restart
Changing the Current Date and Time
Command Password
Language Selection
Isolating One Module in a Multi-Module System
Inserting One Module into a Multi-Module System
LED Function Status
Button Function
UPS control and display panel components
Component # Function
Mimic Power Flow
Audible Alarm Buzzer
Menu key Icons and their meaning
Direct Access Push Buttons Keys
LCD Monitor and Menu keys
Load System Battery Records
Language Settings Command Version
When configured, input transformer voltages are
Displayed on the front LCD. When not activated,
Detailed Description of Menu Items
UPS system window
Descriptions of UPS menus and data window items
Menu Type Item Type Explanation
Number to be dialed to send an alarm notification
UPS messages
Message Description / Suggested Action if any
Bypass voltage exceeds the limit
UPS is confirmed to overload and the overload times out
UPS messages
Dynamic Energy Flow Chart and UPS Help Screen
Prompt Pop-Up Windows
Prompt windows, meanings
Prompt Meaning
Default Screen Saver
Default screen
Terminal Name Definition
Battery Ground Fault Detection
Protection
Redundant Fan for Power Module
Fan120
Fan120
AC Fan
OC Web Card SNMP/HTTP Network Interface Card
OC Web Card data summary window
Relay Card pin configuration
Relay Card
Multiport-4 Card
Relay card jumpers
Pin Description
SiteNet MultiPort4 Intellislot pin assignment
Assignment
Remote Alarm Monitor
OC485 Web Card Modbus, Jbus, IGM Net
Dust filter replacement
Dust Filter for 10-30kVA
Environmental characteristics
Conformity and Standards
Compliance with European, international standards
Overall efficiency, heat losses and air exchange
Mechanical characteristics
Rectifier AC input mains
Inverter output to critical load
Bypass mains input
Technical Specifications
Technical Specifications
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