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Chapter 4: iCOM Controller Operation
This chapter explains the LCD, Button, Indicator Panel, Structure Chart of Control Menu, Start-Up Interface,
Main Interface, User Menus, Service Menus, Advanced Menus and Event Name and Definition of the iCOM
Controller. The iCOM controller adopts menu operation. The display board monitors, displays, and the user may
operate the parameters on the display board to control the environment within a set range.
4.1. LCD Screen
LCD Screen is located on the front panel of the Liebert PEX3 series. The LCD displays the current state of
the equipment room such as temperature, humidity and so on. You can also read and modify the equipment
configuration through the LCD. The LCD uses white back-light, if no button is pressed within a certain period of
time (settable; default: 5min), the back-light turns off until any one button of the panel is pressed.
4.2. Button and Indicator Panel
Nine buttons and two indicators are located on the button & indicator panel as shown in
• Indicators: alarm indicator and operation indicator
Buttons: ON/ OFF button, Enter button, ESC button, Up button, Down button, Left button, Right button, Alarm
silence button, and Help button.
No.
Description
1
Alarm silence button
2
Alarm indicator
3
ON/OFF button
4
Operation indicator
5
ESC button
6
Help button
Vertiv | Liebert® PEX3™ Series Precision Air Conditioner | User Manual
No.
7
8
9
10
11
Figure 4-1 Button and Indicator Panel
iCOM Controller Operation
Description
Down button
Right button
Enter button
Up button
Left button
Figure
4-1, Including:
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