ENMET OMNI-4000 - Manual (Page 30)

ENMET Corporation OMNI-4000 S/N 6705 and above
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2.5 Alarms
To warn the operator of a hazard, such as the presence of gas, lack of oxygen, STEL/TWA thresholds exceeded and/or
internal faults, the OMNI-4000 triggers:
•
An audible alarm consisting of a rapid intermittent sound, the gas alarm, or continuous sound, the battery alarm
•
A visual alarm consisting of the general alarm indicator lamp and the indicator lamp for the appropriate channel
•
The display of information messages concerning the alarm
As the operator becomes aware of the alarm through the audible and visual alarm signals, the exact type of alarm is
indicated on the display.
2.5.1 Continuous Sound Alarm
Cause - This occurs when:
•
The OMNI-4000 battery is low, and
•
At least one reading has exceeded the maximum permissible value.
Alarms Triggered
•
Continuous sound alarm,
•
general alarm indicator lamp and appropriate channel indicator lamp lit. See Figure 2-16.
•
Display of one of the following messages:
ƒ "Battery low"
ƒ "> 100 LEL"
ƒ "Over range"
ƒ "New Cal."
Figure 2-16: Location of Alarm Indicator Lights
Channel 1
Explosive Gas
Over Range
Indicator Lamp
Channel 2 Alarm
Indicator Lamp
Channel 4 Alarm
Indicator Lamp
General Alarm Indicator Lamp
Channel 3 Alarm
Indicator Lamp