Operator Control and Display Panel
8.10Current Date and Time
To change the system date and time:
•From the main menu, press the F1 (shift) key to move the cursor to the menu at the top of the screen.
•Press F2 and F3 (left and right arrows) as needed to select the Settings menu.
•Press F1 (shift) to move the cursor to the data and settings area of the LCD.
•Use F2 and F3 (up and down) to select the Date & Time option, then press F4 (enter).
•Position the cursor on the row in which the date and time are displayed, then press F4 (enter).
•Using the F2 and F3 (up and down) keys, enter the current time and date information.
•Press F4 (enter) to save the settings, then press F1 (ESC) to return to the main menu.
Figure 47 Set date and time
Liebert NX | 2007-01-12 | 12:30:36 |
80KVA-3X3 | Single | Normal |
![](/images/new-backgrounds/1105230/105230145xi2.webp)
![](/images/new-backgrounds/1105230/105230145xi3.webp)
![](/images/new-backgrounds/1105230/105230145xi4.webp)
Language Setting LCD contrast
Date format
M/D/Y D/M/Y Date & Time
| | | | | | | | | | 2007-01-12 | | 12:30:36 | |
Input disconnect closed | 01-12 12:30 |
Output disconnect closed | 01-12 | 12:30 |
Bypass disconnect open | 01-12 | 12:30 |
| | | | | | | | | | | | | ? |
| | | | | | | | | | | | | |
| | | | | | | | | | | | | |
| | | | F1 | F2 | F3 | F4 | HELP |
Liebert NX UPS
Page
Table of Contents
Options
UPS Specifications
Operator Control and Display Panel
Pop-Up Windows
Operating Instructions
Appendix a UPS Status Messages
Specifications and Technical Data
Tables
Page
Important Safety Instructions
Battery Cabinet Precautions
Glossary of Symbols
External Inspections
Installation
Preliminary Checks
Internal Inspections
UPS Location
Considerations in Moving the Liebert NX
Battery Location
Mechanical Considerations
Special Considerations for Parallel Systems
Clearances
Floor Installation
Cable Entry
System Composition
Cabinet arrangement-Liebert NX units and battery cabinets
UPS
Cable Rating
Power Cabling
Lug Size and Torque Requirements
Cabling Guidelines
UPS Input Configuration
Input and output busbars
Cable Connections
Protective Devices
Safety Ground
UPS Rectifier and Bypass Input Supply
Output System Connections-Ensure Correct Phase Rotation
Cabling Procedure
Common Input Connections
Dual Input Connections
Monitor Board Features
Frequency Converter Mode
Control Cables
Dry Contacts
Maintenance bypass cabinet interface
Maintenance Bypass Cabinet Interface
Input Dry Contacts
Input dry contacts at
BCB control interface
BCB Control Interface
Main input fault relay center
Inverter mode relay center
Output Dry Contacts
Output dry contact relays
EPO input contact relays
EPO Input-Optional
Indicates Pin
Introduction
Safety
Battery Cabinets
External Battery Cabinet Installation
Installation Considerations
Connecting the Batteries
Insulated Post Tray Handle For Cabling
Non-Standard Batteries
Connecting the Battery Cabinet to the UPS
BCB Shunt Trip
Alber Monitoring System-Optional
This power must be UPS protected
Load Bus Synchronization
LBS Cable and Settings
Performance Requirements
LBS Cable
Features of Parallel System
Configuring Parallel System Operation
General
Operating Principles Redundancy Paralleling
Installing Parallel System
Operation Modes Summary
Power Cables
Cabinet Installation
Conditions for Parallel System
Preliminary Checks
Auxiliary Dry Contact Cables
Interconnecting
Cables
QByp
Q1Ext Q2Ext
To Load
Normally Closed EPO
Normally Open EPO
Environmental characteristics
UPS Mechanical Characteristics
UPS mechanical characteristics
Conformity and Standards
UPS terminal
UPS Electrical Characteristics
Liebert approved replacement batteries
Rectifier input power
Rated Power kVA 100 120
Battery Manufacturer Models Supplied
Inverter Output
DC Intermediate Circuit
Bypass Input
Left Side
GND
Left Side View Front View
Max. Door Swing
U3819205
Ext
Batt
530628 Pg , Rev
Battery Breaker
External Battery Cabinet
Auxiliary Contacts
Top
Top Front Right Side
System
Front Rear
Rear
FRONTOutput
Run From Conductors
Ph A, B, C UPS Inputs
Ph A, B, C System Input
Ph A, B, C UPS Outputs
AC Output
Ph A, B, C System Outputs
Utility UPS #1-UPS #4 Module AC Ph A, B, C UPS Inputs
Ground UPS
U3819301
Isometric View
General Description
Single module block diagram dual input configuration
Battery Mode
Normal Mode
Bypass Mode
Bypass Supplies
Parallel Redundancy Mode System Expansion
Maintenance Mode
Display Panel Layout
Operator Control Panel
Detailed view of control panel
Mimic indicators Control buttons Navigation keys
Mimic display status indicators
Mimic Display Indicators
Control buttons
Control Buttons
LCD Overview
Audible Buzzer
UPS System Information
Navigation Keys
Icons for navigation keys
Description of items in UPS system window
LCD Menus and Data Items
Menu Type Item Type Explanation
Descriptions of UPS menus and data window items
Mains
Input
Language Selection
Start/stop Battery
Tests
Set date and time
Current Date and Time
Current status and history log records
UPS Status Messages
Types of LCD Screens
Default Screen
Opening Display
Screen Saver Window
UPS Help Screen
Pop-Up Windows
UPS operating modes
Liebert NX Operating Modes
Circuit breakers
Circuit Breakers
Indicator State
Startup Procedure
UPS Startup
Switch from Bypass Mode to Normal Mode
Switch from Normal Mode to Bypass Mode
Maintenance Bypass Procedure and Powering Down the UPS
Emergency Shutdown With EPO
Auto Restart
Multi-Module System Procedures
Battery Protection
Battery Undervoltage Pre-Warning
Battery End-of-Discharge EOD Protection
Tie breaker
LED Function Status
Inserting One Module into a Multi-Module System
Commissioning a Parallel System
Shutdown Procedure-Complete UPS and Load Shutdown
Parallel System Start Up
Communication and Other User Terminals
Power Output
Analog Input Interface
Liebert IntelliSlot Communication
Liebert NX communication options
See 10.1.5 Configuring
Comments
Baud Rates
Configuring Baud Rates
Liebert IntelliSlot Web card display
Relay card jumper configuration
Relay Card pin configuration
Relay Card
Pin Function Operation
Assignment
MultiPort 4 Card
Pin Description
LBS Mode-Load Bus Synchronization
Remote Alarm Monitor
Replacing Dust Filters
Battery torque rating
Torque specifications
Lug Size and Torque Requirements
Cable Lengths Floor to Connection Point Inside UPS
Parallel system current table
Distance to connection points on the Liebert NX UPS
Cable size and tightening torques
External cabinet dimensions, including side panels
Lead/Lag ratings
250 10 N*m
Estimated battery run time, minutes
Battery Run Times
UPS status messages
Services at 800-543-2378 for assistance
Event Message Description / Suggested Action if any
Bypass voltage is beyond the normal range
High ambient air temperature
Bypass voltage exceeds the limit
Software according to the customer’s agreement
Alarm if applicable
Error can also leads to the alarm
Inverter STS Fail
Condition is removed
EPO
Emergency Power Off
UPS status messages
UPS Status Messages
Page
Iti
Ne t
Ti n
That