4 Chapter 1 Overview
1.4.2 Outdoor Unit
The outdoor unit is applicable to the Liebert.PEX air-cooled series air conditioner. For details, refer to
Liebert.PEX
Condenser User Manual
.
1.4.3 iCOM Controller
The iCOM controller of the Liebert.PEX series air conditioner uses the LCD screen with blue backlight and 128 × 64
pixels, or selects the large screen with 320 × 240 pixels. The user interface operation is simple. The multi-level
password protection can effectively prevent unauthorized operation. It also provides power failure auto-restoration and
high & low voltage protection functions. The operation time of components is available through the menus. The
expert-level fault diagnosis system can automatically display the current fault information, facilitating the maintenance.
It can store up to 400 historical event records. There are two kinds of panels for option: one with common screen and
the other with large screen, as shown in Figure 1-3.
Common screen
Large screen
Figure 1-3 Panel of iCOM controller
1.4.4 Remote Monitoring Software
Through the configured RS485 port or TCP/IP port, the Liebert.PEX air conditioner can communicate with the host
computer and receive the control of the host software.
1.5 Environmental Requirements
1.5.1 Operating Environment
See Table 1-1 for operating environment requirement.
Table 1-1 Operating environment requirement
Item
Requirement
Indoor
0°C ~ 40°C
Ambient temperature
Outdoor Water-cooled series: 4°C ~ 45°C; Air-cooled series:-48°C~ +45°C
Protection level (outdoor unit)
IP55
Altitude
<1000m. Above that, derating is required
Operation voltage range
380V (-10% ~ +15%), 3 phase+neutral ~ 50Hz
1.5.2 Storage Environment
See Table 1-2 for storage environment requirement.
Table 1-2 Storage environment requirement
Item
Requirement
Storage environment
Indoor, clean, no dust
Ambient humidity
5%RH ~ 85%RH (non-condensing)
Ambient temperature
-68°F ~ +129.2°F
Storage time
Total transportation and storage time should not exceed six months. Otherwise, the performance needs
to be re-calibrated
Liebert.PEX2 Series Air Conditioner User Manual
Содержание Liebert PEX Series
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