Xtralis VESDA LCD Programmer Module Product Manual page 37

Xtralis VESDA
®
Scrn
Description
No.
87. Smoke Thresholds - This screen lists the available options for setting smoke
thresholds.
• Fire
• Pre-Alarm
• Alert
• Overlay Alert
Parameter
Fire 1/Fire
Action/Pre/
Alarm
Alert
88. Alarm Delays - In this screen insert the required time delay (in seconds) before an
alarm is generated at Fire, Pre-Alarm, Alert, Overlay Alert levels. This screen also
offers the option of simultaneous or cumulative delay times before the alarm is
generated. The instant fire alarm option can be enabled or disabled in this screen.
Parameter
Fire 1/Fire
Action/Pre/Alarm
Alert
Delay Times
Instantaneous Fire
89. Smoke Change - The change in obscuration rate mentioned here will register the
event in the event log. This is subject to the change occurring over the interval
period that is input. You can input the required obscuration and interval.
• Change By
• Min. Interval
Parameter
Change By
Min. Interval
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Default Minimum
0.200% obs/m 0.015% obs/m
(0.0625% obs/ft) (0.0046% obs/ft)
0.140% obs/m 0.010% obs/m
(0.044% obs/ft) (0.0031 obs/ft)
0.080% obs/m 0.005% obs/m
(0.025% obs/ft) (0.0015% obs/ft)
Default
10 seconds
10 seconds
10 seconds
Simultaneous
Disabled
Default Minimum
0.02% obs/m 0.005% obs/m
(0.0062% obs/ft) (0.0015% obs/ft)
2 seconds 2 seconds
Xtralis VESDA LCD Programmer Product Guide
Maximum
2.000% obs/m
(0.6250% obs/ft)
1.995% obs/m
(0.6234% obs/ft
1.990% obs/m
(0.6218% obs/ft)
Minimum Maximum
0 seconds 60 seconds
0 seconds 60 seconds
0 seconds 60 seconds
Simultaneous Cumulative
Enabled Disabled
Maximum
0.2% obs/m
(0.0625% obs/ft)
10 seconds
Min.
Access
Level
ADM
ADM
ADM
DST
31