User Manual 10H52192UM60 - Rev. 1 - 09/2011 41
Operator Control and Display Panel Liebert NX
Menu Item Explanation
L-L voltage (V) Line voltage
Output Power factor Power factor
Load
Sout (kVA) Sout: apparent power
Pout (kW) Pout: active power
Qout (kVAR) Qout: reactive power
Load level (%) Load (expressed in percentage of the phase rating load)
Crest factor Output current crest factor
System
Sout (kVA) Sout: apparent power of the parallel system
Pout (kW) Pout: active power of the parallel system
Qout (kVAR) Qout: reactive power of the parallel system
Single unit, no parallel
system data
Displayed in this data window when the UPS is configured as a single unit.
Battery
Battery voltage (V) Battery bus voltage
Battery current (A) Battery bus current
Battery temperature (
°C
) Battery temperature
Battery remain time (min) Remaining battery backup time (only in battery operation)
Battery capacity (%) Percentage of battery life when compared to a new battery.
Battery boost charging Battery is boost charging.
Battery float charging Battery is float charging.
Battery is not connected Battery is not connected
Event (active status/alarm)
Displays the status/active alarms. For the list of the status/alarms that may be
displayed on the UPS operator control and display panel LCD, refer to Table 5-9.
Records (status/alarm history)
Displays the status/alarm history. For the list of the status/alarms that may be
displayed on the UPS operator control and display panel LCD, refer to Table 5-9.
Language (language option) Provides 12 optional languages for the LCD.
Settings
Display contrast Adjusts the LCD contrast
Date format set Three formats selectable: MM/DD/YYYY, DD/MM/YYYY, YYYY/MM/DD
Date & time Sets the date and time.
Comm1 baud rate Sets the RS232 communication baud rate of the RS232 port and IntelliSlot port 1.
Comm2 baud rate Set the RS232 communication baud rate of IntelliSlot port 3.
Comm3 baud rate Set the RS485 communication baud rate of IntelliSlot ports 1 to 3.
Communication address Applicable to RS485 communication.
Communication mode Sets the communication mode.
Callback times
When the IntelliSlot 1 port communication mode is set to modem, this parameter
sets the number of callback attempts for each new alarm.
Phone No.1
Sets the first priority telephone number to be dialed in the event of an alarm when
the IntelliSlot port 1 communication mode is set to modem.
Phone No.2
Sets the second priority telephone number to be dialed in the event of an alarm
when the IntelliSlot port 1 communication mode is set to modem.
Phone No.3
Sets the third priority telephone number to be dialed in the event of an alarm
when the IntelliSlot port 1 communication mode is set to modem.
Command password The user can modify the command password.
Protocol Chose "Velocity" to communicate with IS-WEBL, IS-485L, IS-485EXI
Command
(initiate, stop
battery, system
test, or freshening
charge)
Battery maintenance test
This test performs a partial discharge of the battery to obtain a rough estimate of
the battery capacity. Load must be between 20% and 80%.
Battery capacity test
This test performs a full discharge of the battery to obtain a precise evaluation of
the battery capacity. Load must be between 20% and 80%.
System test
This is a self-test of the UPS. When the user activates this function, a window
appears about five seconds later to show the test result.
Stop testing Manually stops a battery maintenance test, battery capacity test, or system test.
Freshening charge Manually initiates a battery freshening charge.
Stop freshening charge Manually stops a battery freshening charge.
Modem auto-answer
enabled
Manually enable the modem’s auto-answer f
unction.
Eff. Curve (efficiency-load diagram)
Shows the load (expressed in percentage of the UPS rating load ) and the
corresponding efficiency (expressed in percentage) in numerical and graphic
format.
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