Technical data

12 Chapter 5 Microprocessor Control
DataMate 3000 Series Air Conditioner Technical Manual
If the password entered is incorrect, the user can view the menu but cannot change the parameters. The user can
return to the Normal screen by pressing Esc button and enter the password again. If the password entered is correct,
any parameter under the main menu can be changed.
 Note
If press Enter button from the Password screen instead of inputting any password, the user can only view the menu and cannot
change the parameters.
5.5 Main Menu
Press Enter button from the Normal screen, enter password and then press Enter to validate the password, the main
menu is displayed, as shown in Figure 5-7.
A l a r m M e nu
S e t p o i n t s
S y s t e m S t a t us
S y s t e m Menu
H e l p M e n u
Figure 5-7 Main menu
The items in the main menu are listed below.
Alarm Menu - For setting alarm parameters, browsing alarm history and alarm status.
Setpoints - For setting temperature and humidity parameters, temperature and humidity precision parameters.
System Status - For setting the system date and time and viewing environmental temperature and humidity readings,
the date, time, system output status and system operation records.
System Menu - For setting system parameters, configuring system optional components, calibrating sensors,
changing password, diagnosing components output, and restoring default values.
Help Menu - For querying product and mantenance information.
5.6 Alarm Menu
Use the Up/Down buttons to move the cursor to Alarm Menu in the main menu and press Enter. The Alarm Menu will
be displayed, as shown in Figure 5-8. There are six sub-menus under this menu and they are displayed in two screens.
Press Up/Down buttons to scroll all sub-menus.
Alarm Status
Alarm History
Alarm Setpoint
Alarm Output
Custom Alarm
Service Interval
Reset History
N
Figure 5-8 Alarm Menu
5.6.1 Alarm Status
Select Alarm Status from the Alarm Menu to enter the Alarm Status screen. This screen displays all active alarms.
The alarm No/ the total number active, alarm name, the time/date occurrence are indicated for each alarm, as shown
in Figure 5-9.
Active:
Hi Temp
2004/01/01
1/4
00:00
Figure 5-9 Alarm Status screen
The latest alarm is shown as alarm 1. Use Up/Down buttons to scroll if there are more alarms.
This system can store up to 25 latest active alarms. They will be lost when the system is powered off.