Chapter 4 Operation And Display Panel 41
Liebert
®
ITA 16kVA And 20kVA UPS User Manual
4.2.2 Primary Screen
After the self-test of the UPS, the primary screen shown in Figure 4-3 will appear. The primary screen is composed of
four windows: system information window, data window, menu window and keypad window.
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Output
Unit 1#
A(AB) B(BC) C(CA)
L-N voltage (V)
0.0 0.0 0.0
L-N current (A)
0.0 0.0 0.
Frequency (Hz)
0.00
0.00 0.00
L-L voltage (V)
0.0 0.0 0
Power factor
0.00 0.00 0.00
System
information
window
Data window
Menu window
Keypad window
Figure 4-3 Primary screen
The current icons on top of the F1 ~ F4 and HELP menu buttons give the explanations of each button. From any
menu in primary screen, pressing the F1 button can return to the ‘Output’ menu. For details about the primary screen,
refer to
4.3 Detailed Description Of Menu Items
.
4.2.3 Default Screen
During the UPS operation, if there is no alarm within two minutes, the default screen shown in Figure 4-4 will appear.
After a short while, the LCD backlight will turn off. Press any menu button (F1 ~ F4, HELP), the current screen will
appear again.
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Press any button to return to the main menu
Figure 4-4 Default screen
