38 Chapter 5 Microprocessor Control
DataMate 3000 Series Air Conditioner User Manual
Table 5-2 Alarm output logic
Settings
Alarm History
Alarm Status
Audible alarm
Alarm prompt
OPEN
Yes Yes Yes Yes
CLOSE Yes
Yes
No
Yes
STOP
No No No No
Note
As the high pressure alarm, low pressure alarm and power failure alarm are major alarms,
they cannot be set to STOP.
5.6.5 Custom Alarm
The custom alarm settings will not be lost when power fails. Move the cursor to
Custom Alarm on the Alarm Menu, and press Enter to enter the Custom Alarm
menu, as shown in Figure 5-13.
C
u s t o m # 1
S m o k e S n s r
C u s t o m # 2
N o A l a r m
Figure 5-13 Custom Alarm menu
There are two custom alarms: Custom #1 and Custom #2.
Custom #1 is input through control terminal J67.
Custom #2 is input through control terminal J68.
Use Up/Down buttons to move the cursor to the corresponding row and use
Up/Down buttons to toggle among no alarm, smoke sensor, fire sensor, water
under floor, no airflow, filter obstructed and others (LCD displays No Alarm, Smk
Snsr, Fire Snsr, High Water, Loss Air, Fltr Clog and Others). Press Enter to validate
the setting.
5.6.6 Service Intervals
Service intervals are applicable to those components that require periodical
maintenance. The controller will trigger an alarm to remind the maintenance
personnel to maintain the component when the set interval values are exceeded.
The main fan, air filter and humidifier can be set with service intervals. Refer to
Table 5-1 for the defaults and setting ranges.
These settings will not be lost when power fails. Select Service Intervals from the
Alarm Menu and press Enter to display the items listed in Figure 5-15.