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Liebert NX series User Manual

Liebert NX series
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Operator Control and Display Panel
9
2.8 LCD Menus and Data Items
The LCD menus provide access to the following categories of information and settings for the UPS.
Selecting a menu changes the information displayed in the UPS data items portion of the LCD. The
menu choices are listed below and described in detail in Table 5.
Mains - view utility power input data: voltage, current, frequency and power factor
Bypass - view bypass data: voltage and frequency
Output - view output data: voltage, current, frequency and power factor
Load - view load data: load percent, output current, output power and crest factor (CF)
System - view system data
Battery - view battery characteristics—voltage, current, temperature, remaining time and capac-
ity—and messages when the battery is boost/float charging or disconnected
Records - access the history log—displays all records in the log (newest records added at end)
Language - select a language for LCD text (choices appear in the native language)
Settings - configure UPS settings: adjust the display contrast, choose a format for date display,
set the date and time, set up the UPS for modem communications (baud rate, address, mode and
phone numbers to dial for alarm notifications) and change the password
Command - start or stop a battery maintenance test, battery capacity test or system test
Version - view firmware versions for the inverter, rectifier and software display board and the
model information for the UPS
Figure 8 shows a menu tree of the options available from the LCD menus.
Figure 8 Menu tree
Mains (input)
L-N voltage (V)
L-N current (A)
Frequency (Hz)
L-L voltage (A)
Power factor
Load
Sout (kVA)
Pout (kW)
Qout (kVAR)
Loadlevel %
Crest factor
Bypass
L-N voltage (V)
Frequency (Hz)
L-L voltage (A)
Output
L-N voltage (V)
L-N current (A)
Frequency (Hz)
L-L voltage (A)
Power factor
System
Sout (kVA)
Pout (kW)
Qout (kVAR)
Single unit, no
parallel data
Battery
Battery voltage (V)
Battery current (A)
Battery temperature (°C)
Remain Time Min.
Battery capacity (%)
Battery boost charging
Battery float charging
Battery disconnected
Settings
Display contrast
Date format set
Date & time
Comm1 baud rate
Comm2 baud rate
Comm3 baud rate
Communication address
Communication mode
Callback times
Phone No.1
Phone No.2
Phone No.3
Command password
Records
(history log)
Language
(Choices for
display)
Command
Battery maintenance test
Battery capacity test
System test
Stop testing
Version
UPS version
UPS model

Table of Contents

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Liebert NX series Specifications

General IconGeneral
Frequency50/60 Hz
DisplayLCD
TopologyDouble Conversion
Input Voltage208/220 VAC
Output Voltage208/220 VAC
CommunicationSNMP
Operating Temperature0 to 40°C
Battery TypeVRLA
Humidity0 to 95% (non-condensing)
DimensionsVaries by model. See product documentation.
WeightVaries by model. See product documentation.
Storage Temperature-15-50°C (5-122°F)

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