Vertiv | Liebert PEX+Chilled Water | User Manual 55
iCOM Controller Operation
If you want to modify the preceding setpoints, enter the password before entering the SETPOINTS menu. Then
press the Enter button to enter the submenu and use the Up and Down button to scroll the options. Press the
Enter button to select one parameter, use the Up or Down button to set the value, and press the Enter button to
save the change.
4.5.3. Event Log
You can enter the EVENT LOG menu without a password, as shown in the Figure 4-6.
Figure 4-6 Event Log Menu
The EVENT LOG menu saves the last 400 system records. The event types include message, warning and alarm
• When the event type shows ‘Message’, the LCD will display the event name only.
• When the event type shows ‘Warning’, the LCD will display the event name and the alarm indicator turns red.
• When the event type shows ‘Alarm’, the LCD will display the event name, the alarm indicator will turn red, and
an audible alarm will be raised.
4.5.4. Graphics
The GRAPHICS menu provides two types of graphs: COOLING CONTROL TEMPERATURE, CONTROL
HUMIDITY, FAN CONTROL, TEMPERATURE and CONTROL DEW POINT. Whether it shows humidity or dew
point depends on Humidity Control Type selection. These graphs reflect the temperature and humidity (or dew
point) changes over a period of time in the past.
In the graphs, the current temperature or humidity (or dew point) is the origin, the time is the horizontal axis, and
the temperature or humidity (or dew point) is the vertical axis, as shown in the Figure 4-7.
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