Control Buttons; Lcd And Menu Buttons; Lcd Screen Types; Start Screen - Emerson Liebert ITA User Manual

40 Chapter 4 Operation And Display Panel

4.1.3 Control Buttons

The operation and display panel provides five control buttons, the functions are described in Table 4-3.
Control button
EPO switch
Inverter on
Inverter off
Fault recovery on/off
Alarm sound silence
on/off

4.1.4 LCD And Menu Buttons

The operation and display panel provides an LCD and five menu buttons (F1, F2, F3, F4, HELP). Table 4-4 gives the
function description of the menu buttons.
LCD provides you with the user-friendly interface and the 320 × 240 dot matrix image display. The user-friendly and
menu-driven LCD allows you to easily browse through the UPS input, output, parameters of the load and the battery,
learn about the current UPS status and alarm message, perform functional settings and control operation. The LCD
also stores up to 512 historical alarm records that can be retrieved for reference and diagnosis.

4.2 LCD Screen Types

4.2.1 Start Screen

Upon UPS start, the UPS executes the system self-test, and the start screen will appear and remain for about 15
seconds, as shown in Figure 4-2.
Table 4-3 Description of control buttons
Silkprint
Used to disconnect the load power and close the rectifier, the inverter, the
EPO
static bypass and the battery
ON Used to start the inverter
OFF Used to close the inverter
FAULT CLEAR Recover the UPS function (clear fault in advance)
When an audible alarm is active, press this button to silence the audible
ALARM CLEAR
alarm. Press this button again can restart the buzzer
Table 4-4 Menu buttons function description
F1 F2
Button
ESC
Function 1
HOME Escape
Function 2
Figure 4-2 Start screen
Liebert ITA 16kVA And 20kVA UPS User Manual
®
Description
F3 F4
HELP
Left Right Enter
Up Down