Vertiv | Liebert® PEX3™ Series Precision Air Conditioner | User Manual 7
Product Overview
Component Description
Long Pipe Kit
The long pipe kit can prevent the refrigerant from returning and concentrating after the compressor
is turned o, ensuring normal start of the compressor and making the system safer. The solenoid
valve is installed internally, and the check valve is supplied loose for installation on site.
iCOM
Controller and
HMI Display
• The standard features available in PEX3 unlike legacy PEX series are the highest capability for
unit control, communication, and monitoring of CRAC units.
• Oers the highest capability for unit control, communication, monitoring of CRAC units.
• Speeds setup and installation and simplies control of CRAC units, putting cooling-system
monitoring and management at customers ngertips.
• Uses a rm touch, or consider a stylus when interacting with the touchscreen.
• User and service menus are password-protected to prevent unauthorized changes to cooling
unit operation.
• The touchscreen is back-lit and auto-dims after a period of non-use, the turns o and touch the
screen to re-illuminate the main screen.
• iCOM ships with default settings for eicient and eective operation of most cooling-units and is
easily congured to meet any requirements.
• iCOM menus and displays are based on the options installed on the cooling units that it monitors
and manages.
• LCD screens with dark-gray backlight and 800x480 pixels.
• Display the real-time values of the CRAC’s status, active and history alarms.
• Self-recovery after power failure.
• It can store up to 400 history event records.
1.4.2. 9-Inch Color Display
PEX3 unit is available with 9-inch touch screen as a standard display, using multi-color 800×480 dot-matrix
liquid crystal touch screen with white backlight as shown in Figure 1-3. The operation of the unit becomes
simpler and more convenient, and the status view of the unit is more visualized.
Figure 1-3 iCOM Controller Display