Chapter 6 Micro-Processing Controller 37
Liebert.CRV+ Series Air Cooled Precision Air Conditioner User Manual
System Alarm
Select System Alarm on the Alarm Set screen to enter the screen shown in Figure 6-14. Press the Up or Down
button to scroll through the menus.
Figure 6-14 System Alarm Menu
Table 6-5 Alarm output logic
Settings Alarm history record Alarm status record Audible alarm Alarm prompt
ENA Yes Yes Yes Yes
DISA Yes Yes No No
OFF No No No No
Note
The alarms of Air Lost, Hi Exh Temp, Hi Exh Lock, Lo Exh SH, Lo Exh Lock, HP Abnor, HP Alm, HP Lock, LP
Alm, LP Lock, LP Sen Lock, Water Alm, Water UF, Fan Alm, Heat Alarm and Remote Alm are serious fault
alarms. So they cannot be set to OFF, but can only be set to ENA and DISA.
Sensor Alarm
Select Sensor Alarm on the Alarm Set screen to enter the screen shown in Figure 6-15. Press the Up or Down
button to scroll through the menus.
Figure 6-15 Sensor Alarm Menu
Note
The faults of Ext Temp, Suc Temp, Exh Press and Suc Press are serious fault alarms. So they cannot be set
to OFF, but can only be set to ENA and DISA.
CP Driver Alarm
Select CP Driver Alarm on the Alarm Set screen to enter the screen shown in Figure 6-16. Press the Up or Down
button to scroll through the menus.
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