Liebert XDC user manual Status, Active Alarms, Alarm History, Time, Date

Microprocessor Control

5.3.3STATUS

The user can check the status of cooling percentage, pump and compressor operating status and tem- perature of the refrigerant.

VALVE OPEN %—0-100

COMP 1A, 2A, 1B, 2B—On/Off

PUMP 1—On/Off

PUMP 2—On/Off

REFRIG T—Refrigerant temperature 0-100°F

5.3.4ACTIVE ALARMS

This submenu allows the user to review any present alarms. If no alarms are present, the screen will read No Alarms Present. If any alarms are occurring, the screen will display Alarm XX of YY, fol- lowed by the alarm text (XX is the reference number of the alarm shown, YY is the total number of alarms).

To view any active alarms:

1.Press the MENU key.

2.Scroll to the ACTIVE ALARMS menu by using the up and down arrow keys.

3.Press the ENTER key to access the menu.

4.Use the up and down arrow keys to move through the menu and view which alarms are active.

If there are no active alarms the display will read NO ALARMS. If any alarms are present, the dis- play will list them. When finished, press the ESC key two to three times to go to the main display.

5.3.5ALARM HISTORY

This submenu allows the user to review the 60 most-recent alarms. The first line of the screen will show the alarm number—01 being the newest—and the name of the alarm. The second line of the screen will show the most recent alarm’s date and the time in 24 hour format.

To view the alarm history:

1.Press the MENU key.

2.Scroll to the ALARM HISTORY menu by using the up and down arrow keys.

3.Press the ENTER key to access the menu.

4.Use the up and down arrow keys to scroll through the menu and view the alarm history.

5.Press the ESC key two to three times to return to the main display.

5.3.6TIME

The controller time clock must be set to allow for time stamping of the alarms for alarm history. To change the time press ENTER to select the function, then use the up or down arrow key arrow to change the first character, press Enter to store, then press the up or down arrow key to change the second character, press Enter to store, etc.

NOTE

The clock uses the 24 hour system (for example: 17:00 would be 5:00 PM). Battery backup protects the date and time settings.

5.3.7DATE

The controller date must be set to allow for time stamping of the alarms for alarm history. To change the date press ENTER, then use the up or down arrow key to change the first character, press ENTER to store, press the up or down arrow key to change the second character, etc.

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