Chapter 5 Microprocessor Control 37
DataMate 3000 Series Air Conditioner User Manual
5.6.3 Alarm Setpoint
The alarm setpoints will not be lost when power fails. Select Alarm Setpoint from
the Alarm Menu to browse or change the setpoints listed in Figure 5-11.
The defaults are sufficient for most applications and changing them is normally
unnecessary. For special application, they must be changed under the guidance of
trained professional personnel.
H
i g h T e m p 2 9
L o w T e m p 2 9
H i g h H u m 6 0 % r h
L o w H u m 4 0 % r h
Figure 5-11 Alarm Setpoint screen
To change the setpoint, use Up/Down buttons to move the cursor to the item
desired to be changed and press Enter to select it. Press Enter again, use
Up/Down buttons to change the value of each digit, and then press Enter to
validate the change.
Refer to Table 5-1 for the defaults and the setting ranges.
5.6.4 Alarm Outputs
The alarm output settings will not be lost when power fails. Select Alarm Outputs
from the Alarm Menu to browse or change the settings listed in Figure 5-12.
H
i g h P r s O N
L o w P r s S T P
H i g h T e m p O F F
L o w T e m p O N
H
i g h H u m O N
L o w H u m O N
P w r F a i l O N
S h o r t C y c O N
C
u s t o m # 1 O N
C u s t o m # 2 O N
C h n g M f a n O N
C h n g H u m O N
C
h n g F l t r O N
Figure 5-12 Alarm Outputs menu
The alarm output can be set to OPEN, CLOSE or STOP. Move the cursor to the
item to be changed, press Enter to move the cursor to the OPEN/ CLOSE /STOP
field. Use Up/Down buttons to toggle among OPEN, CLOSE and STOP. Press
Enter to validate the setting.