Liebert DM Series User Manual

Chapter 5 Micro-Processing Controller 29
New Liebert_DM Series Air Conditioner User Manual
 Note
If pressing the Enter button in the Password screen instead of inputting any password, you can only view the menu settings but
cannot change any parameters.
5.6 Menu Structure
5.6.1 Main Menu
Input the password in the Password screen and confirm, and the Main Menu screen will appear, as shown in
Figure 5-7. For detailed menu structure, refer to Appendix 1 Menu Structure.
After a certain menu is selected, the menu item will be highlighted. Some menu items are settable and others are not.
For detailed setting procedures, refer to 5.4.2 Operation Example. For the setting ranges of the settable menu items,
refer to Appendix 2 Parameter Setting Table.
<Alarm Menu>
<Set Points>
<System Status>
<System Menu>
<Help Menu>
<Display Set>
Figure 5-7 Main Menu screen
The menu items in the Main Menu screen are described in Table 5-3.
Table 5-3 Main Menu description
Menu item
Descriptions
Alarm Menu
Set alarm parameters; browse alarm historical records and alarm status records
Set Points
Set temperature & humidity setpoints and their sensitivities
System Status
Browse ambient temperature & humidity, system output status and system running records; browse
and set system time
System Menu
Set system parameters and system options; calibrate sensor; change password; output system
diagnose; restore factory parameters; configure optional function
Help Menu
Browse factory information, product information and maintenance information
Display Set
Adjust the screen contrast
5.6.2 Alarm Menu
Select Alarm Menu on Main Menu screen to enter the screen shown in Figure 5-8. Press the Up or Down button to
scroll up or down the menu items.
<Active Alarm>
<Alarm History>
<Alarm Setting>
Figure 5-8 Alarm Menu screen
Active Alarm
The Active Alarm menu is used to monitor the present alarm status of the AC unit and prompt No Alarm or detailed
alarm status information.
The detailed alarm status information includes XX/YY, alarm type and alarm start time, as shown in Figure 5-9. XX is
the serial number of alarm status record and YY is the total number of alarm status record.

Liebert DM Series Specifications

General

Brand	Liebert
Model	DM Series
Category	Air Conditioner
Language	English