Chapter 5 Precision Air Conditioner Controller 39
Liebert_DM 16kW Air Conditioner User Manual
Main Menu 1/ 2
Set Point Control
System Menu
System Status
Alarm Menu
D01 I10
2
Graph Menu
Team Work
Run Hours
Set Time /Date
On/Off Record
Main Menu 2/
D01 I10
Figure 5-5
Main Menu
interface
To select a submenu, press the UP or DOWN button to move the cursor to the required item. When the cursor is on the
selected item, a small black dot will appear on the left side of the menu item. At this time, pressing the ENTER button
can enter its submenu or set its parameter. Some menu items are settable and others are not. For detailed setting
procedures, refer to
5.2.2 Operation Example.
For the setting ranges of the settable menu items, refer to
Appendix 6
Parameter Setting Table.
Note
The menus with a black dot on the left side have submenus or their parameters can be set.
5.5.3 Alarm Menu
Select
Main Menu 1/2
->
Alarm Menu
to enter the
Alarm Menu
menu. This menu haves five submenus, as shown in
Figure 5-6.
Alarm Menu
Alarm History
Alarm Control
Alarm Set Point
Alarm Resets
Alarm Status
D01 I10
Figure 5-6 Alarm menu interface
Alarm status
The
Alarm Status
menu is used to record the current active alarm status, including
Active Alarms
(total alarm
number),
ALM
(alarm SN. + alarm type),
Time
(start time + end time), as shown in Figure 5-7.
ALM: 007--Clogged Filter
Active Alarms: 007
D01 I10
Alarm Status
Time: 2008/11/28 10: 24: 29 To
2008/11/28 10: 42: 32
Figure 5-7 Alarm status interface
Note
1. The alarm with the biggest SN. is the latest alarm.
2. When several alarms are generated, you can press the UP or DOWN button to scroll through the alarm status records.
3. The controller can store up to 100 alarm records. They will be cleared upon system power-off.
Alarm history
The
Alarm History
menu is used to inquire the historical alarm records, including
Logged Alarms
(total alarm
number),
ALM
(alarm SN. + alarm type),
Time
(start time + end time), as shown in Figure 5-8.