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Section 4: Glossary of Control Functions
The following terms are used to describe the control and operation of
the Liebert RAC2-8. For each term, both the operator actions and the
system performance are defined. Refer to this section if necessary while
setting up your system or to answer any questions about how the system
operates.
Alarms
For each alarm condition or warning condition, the RAC2-8 locally
annunciates the condition, locally displays the message, provides a time
and date stamp, stores up to 20 messages in memory, and displays the
message at a remote terminal. Alarms are produced for normal alarm
conditions such as Common Alarm inputs and Temp/Hum alarms.
Warnings are produced for conditions such as Manual Override.
List of Alarms
UNIT XX COMMON ALARM Alarm
EMERGENCY POWER OFF Alarm
EMERGENCY POWER OP. Alarm
MANUAL OVERRIDE Alarm
HIGH TEMP ALARM Alarm
LOW TEMP ALARM Alarm
HIGH HUM ALARM Alarm
LOW HUM ALARM Alarm
STBY NOT AVAILABLE Alarm
STBY UNIT FAILED Alarm
UNIT XX FORCED ON Warning
(no audible alarm)
UNIT XX FORCED OFF Warning
(no audible alarm)
UNIT XX RESTORED Warning
(no audible alarm)
Liebert RAC2-8 • 27