Emerson Liebert ITA - Detailed Description of Menus

42 Chapter 4 Operation And Display Panel
Liebert
®
ITA 16kVA And 20kVA UPS User Manual
4.3 Detailed Description Of Menus
The following description refers to the LCD primary screen shown in Figure 4-3.
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 4-5.
Table 4-5 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 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 4-6.
Table 4-6 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
Load level (%) The percentage of the UPS rated load
Load
Crest factor Output current crest factor
Sout (kVA) Sout: Apparent power
Pout (kW) Pout: Active power
System
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 runtime remaining
Battery capacity (%) Battery capacity (%), compared with the new battery capacity
Battery boost charging Battery is boost charging
Battery float charging Battery is float charging
Battery
Battery is not connected Battery is not connected
Event Current alarm Display the current alarm. See Table 4-8 for UPS alarm message list
Records Historical alarm Display all historical alarms. See Table 4-8 for UPS alarm message list
Language Language selection Options are displayed in Chinese or English
Display contrast Adjust the LCD contrast
Date format set
MM DD YYYY, DD MM YYYY and YYYY MM DD formats can be
selected
Date & time Set the date and time
Settings
Comm1 baud rate Set the communication baud rate of the USB port