Microprocessor Control

5.2Controls

The Microprocessor Control for the Liebert XDC features an easy-to-use, menu-driven liquid crystal display. The menus, control features and circuit board details are described in this section.

5.2.1Feature Overview

The Liebert XDC maintains the coolant being pumped to Liebert XD cooling modules at a tempera- ture above the room dew point, preventing condensation.

5.2.2Status Display

The display normally shows the leaving refrigerant temperature on the first line and alternates between the dew point and the number of alarms present on the second line.

5.3Main Menu

Press the MENU key to display the Main Menu. The menu selections are:

SETPOINTS

STATUS

ACTIVE ALARMS

ALARM HISTORY

TIME

DATE

SETUP OPERATION

SETPT PASSWORD

SERVICE PASSWORD

CALIBRATE SENSOR

ALARM ENABLE

ALARM TIME DELAY

COMMON ALARM ENABLE

CUSTOM ALARMS

CUSTOM TEXT

DIAGNOSTICS

END OF MENU

5.3.1Viewing or Changing Settings

To access a menu option:

1.Use the up or down arrow key to scroll to the menu option.

2.Press the ENTER button to view the current setting.

3.To change the setting, use the up or down arrow key.

4.Press ENTER to save the change.

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Liebert XDC user manual Controls, Main Menu, Feature Overview, Status Display, Viewing or Changing Settings