User Manual
Table Of Contents
- Important Safety Instructions
- SAVE THESE INSTRUCTIONS
- 1.0 Introduction
- 2.0 Startup
- 3.0 Operation with iCOM Control
- 4.0 Liebert iCOM Display Components and Functions
- Figure 2 Liebert iCOM display components
- Table 1 Keyboard icons and functions
- Figure 3 Liebert iCOM default screen symbols
- 4.1 Navigating Through the Liebert iCOM Display
- 4.2 Changing Operational Settings
- 4.3 Changing Liebert iCOM’s Display Settings
- 4.4 Graphical Data Record
- 4.5 Liebert iCOM Service Menu Icons and Legend
- 4.6 Wiring for Unit-to-Unit Communications—U2U
- 4.7 Entering Network Setup Information
- 4.8 Viewing Multiple Units with a Networked Large Display
- 5.0 Operation
- 6.0 Alarm Descriptions
- 6.1 Standard Alarms
- 6.1.1 Change Filter
- 6.1.2 Compressor Overload
- 6.1.3 High Head Pressure
- 6.1.4 High Humidity
- 6.1.5 High Humidity and Low Humidity (Simultaneously)
- 6.1.6 High Temperature
- 6.1.7 High Temperature and Low Temperature (Simultaneously)
- 6.1.8 Humidifier Problem
- 6.1.9 Loss of Air Flow
- 6.1.10 Loss of Power
- 6.1.11 Low Humidity
- 6.1.12 Low Suction Pressure
- 6.1.13 Low Temperature
- 6.1.14 Main Fan Overload
- 6.1.15 Short Cycle
- 6.2 Optional Alarms
- 6.3 Set Alarms—User Menus
- 6.1 Standard Alarms
- 7.0 Component Operation and Maintenance
- 7.1 System Testing
- 7.2 Filters
- 7.3 Blower Package
- 7.4 Refrigeration System
- 7.4.1 Suction Pressure
- 7.4.2 Discharge Pressure
- 7.4.3 Superheat
- 7.4.4 Thermostatic Expansion Valve
- 7.4.5 Hot Gas Bypass Valve—Not Available on Digital Scroll Units
- 7.4.6 Air Cooled Condenser
- 7.4.7 Water/Glycol Cooled Condensers
- 7.4.8 Motorized Ball Valve—Digital Scroll Compressor
- 7.4.9 Regulating Valve—Scroll Compressor
- 7.4.10 Drycooler Settings
- 7.4.11 Compressor Oil
- 7.5 Compressor Replacement
- 7.6 Facility Fluid and Piping Maintenance for Water and Glycol Systems
- 7.7 Humidifier
- 8.0 Troubleshooting
- Table 12 Blower troubleshooting
- Table 13 Chilled water troubleshooting
- Table 14 Compressor and refrigeration system troubleshooting
- Table 15 Dehumidification troubleshooting
- Table 16 Glycol pump troubleshooting
- Table 17 Infrared humidifier troubleshooting
- Table 18 Steam generating humidifier troubleshooting
- Table 19 Reheat troubleshooting
- 9.0 Monthly Maintenance Inspection Checklist
- 10.0 Semiannual Maintenance Inspection Checklist
Liebert iCOM Display Components and Functions
15
4.3 Changing Liebert iCOM’s Display Settings
No password is required to change the way Liebert iCOM displays data. The Display Setup controls
how the unit shows data, such as temperature, date and time.
To change the display settings:
1. From the home screen, press the Enter key to view the User Menu (see Figure 8).
2. Press Enter again to highlight the first icon.
3. Use the keyboard’s arrow keys to move to the Display Setup icon.
4. Once that icon is highlighted, press Enter again to open that menu.
5. Press the Enter key to select the first setting.
Either change that setting or navigate to another setting with the Up and Down arrow keys.
6. Once the desired setting is highlighted, press the Enter key to access that parameter’s display
setting options.
7. Use the Up and Down arrow keys to make changes.
8. Press the Enter key to accept the changes.
9. Press the ESC key twice to return to Liebert iCOM’s user menu.
Figure 9 Display setup screen
DISPLAY SETUP
to change parameter
to confirm
to select parameter
for next/previous unit
then
Language
Date
Time
Temperature Indication
Display Contrast
Buzzer Frequency
Backlite Off after
Screen
Display Shows
Display Colors
Date Format
SYSTEM
U401
U402
U403
U404
U405
U406
U407
U408
U409
U410
U411
ENGLISH (US)
7/7/2008
09:24:17
°C
50
Off/ 50
5 min
XDP
ACT+SET
Normal
mm/dd/yyyy
Highlight the
setting to be
changed by
pressing Enter.