Chapter 3 Operation And Display Panel 27
Liebert ITA 16kVA/20kVA User Manual
3.3 Detailed Description Of Menu Items
The description in the following refers to the LCD primary screen shown in Figure 3-3.
System information window
The system information window displays the current time and the UPS name. You are not required for operating the
information of this window. For details, see Table 3-5.
Table 3-5 System information window
Item Explanation
ITA 020kVA
UPS name, which stands for Liebert ITA 20kVA UPS
12: 30: 36
Current time (format: 24 Hours, h: min: s)
Menu window and UPS data window
The menu window displays the menu name of the data window. The data window displays the items of the menu
selected from the menu window. UPS parameters can be browsed and functions can be set through the menu
window and data window. Details are given in Table 3-6.
Table 3-6 Menu window and data window
Menu Item
Explanation
L-N voltage (V)
Phase voltage
L-N current (A)
Phase current
Frequency (Hz)
Input frequency
L-L voltage (V)
Line voltage
Main input
Power factor
Power factor
L-N voltage (V)
Phase voltage
Frequency (Hz)
Bypass frequency
Bypass input
L-L voltage (V)
Line voltage
L-N voltage (V)
Phase voltage
L-N current (A)
Phase current
Frequency (Hz)
Output frequency
L-L voltage (V)
Line voltage
AC output
Power factor
Power factor
Sout (kVA)
Sout: Apparent power
Pout (kW)
Pout: Active power
Qout (kVAR)
Qout: Reactive power
Loadlevel (%)
The percentage of the UPS rated load
Load
Crest factor
Output current crest factor
Sout (kVA)
Sout: Apparent power
Pout (kW)
Pout: Active power
Parallel load
Qout (kVAR)
Qout: Reactive power
Battery voltage (V)
Battery bus voltage
Battery current (A)
Battery bus current
Battery temperature
(°C)
Battery temperature (°C)
Battery remain time
(Min.)
Battery run time remaining
Battery capacity (%)
Battery capacity (%), compared to the new battery
Battery boost charging
Battery is boost charging
Battery float charging
Battery is float charging
Battery data
Battery is not connected
Battery is not connected
Current records
(Current alarm)
Display current alarm. See Table 3-8 for UPS alarm message list
Historical records
(Historical alarm)
Display all historical alarms. See Table 3-8 for UPS alarm message list
Menu language
(Language selection)
Options are displayed in Chinese or English
