Chapter 5 Icom Controller; Lcd; Button And Indicator Panel - Emerson Liebert PEX Series User Manual

The iCOM controller uses menu operation. It can monitor, display and operate the precision cooling air conditioner and
control the environment within a set range. This chapter expounds the LCD, button and indicator panel, structure chart
of control menu, startup interface, main interface, USER MENUS, SERVICE MENUS, ADVANCED MENUS and
EVENT NAME AND DIFINITION of the iCOM controller.

5.1 LCD

An LCD is located on the front panel of the Liebert.PEX series air conditioner. The LCD can display the current state of
the equipment room, such as temperature and humidity, and so on. You can also read and modify the equipment
configuration through the LCD.
The LCD uses blue backlight. If no button is pressed within a certain period of time (settable; default: 5min), the
backlight will be off, until the next time any button is pressed.

5.2 Button And Indicator Panel

Nine buttons and two indicators are located on the button and indicator panel, including:
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.
The button and indicator panel is shown in Figure 5-1.
The indicators are described in Table 5-1.
Indicator
Alarm indicator
Operation indicator

Chapter 5 iCOM Controller

Alarm silence button
Alarm indicator
ON/OFF button
Operation indicator
Figure 5-1 Button and indicator panel
Table 5-1 Indicator description
The alarm indicator turns on in red upon alarms. It is off after the alarm is cleared
The operation indicator is on in green when the unit is operating. When the unit is shut down, it will be
on in yellow
Liebert.PEX2 Series Air Conditioner User Manual
Left button Up button
ESC
Down
Help
button
button button
Description
Chapter 5 iCOM Controller
Enter button
Right button
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