Technical data

14 Chapter 5 Microprocessor Control
DataMate 3000 Series Air Conditioner Technical 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.
Cu s t o m # 1
S mo k e S n s r
Cu 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 Interval
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 5-14.
M a i n F a n
H um i d i f i e r
F i l t e r
Figure 5-14 Service Interval menu
Use Up/Down buttons to move the cursor to the Main Fan, and press Enter to enter the Main Fan Service Interval
sub-menu, as shown in Figure 5-15.
Run Time
Rpr time
Reset
100 d
360 d
NO
Figure 5-15 Main Fan Service Interval sub-menu
The Run Time is the actual operation days of the component. It is real time clock counter days and is unchangeable.
The Spr Time is the recommended operation days of the component. It can be changed. The default value is
recommended. Otherwise change it according to the actual condition.
The Reset indicates whether the component has been maintained or replaced or not. Select YES if it is maintained or
replaced, and the service time will be reset to zero automatically and then be recounted again. Otherwise, select NO.