Xtralis VESDA LCD Programmer Module Product Manual page 21

Xtralis VESDA
®
Scrn
Description
No.
14. Night Thresholds - This screen allows viewing and changing the current Fire 2,
Fire 1, Action and Alert thresholds for night time.
Parameter
Fire 2/Full Scale
Fire 1/Fire
Action/Pre/
Alarm
Alert
15. Alarm Delays - In this screen insert the required time delay (in seconds) before an
alarm is generated at Fire 2, Fire 1, Action, or Alert level. 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 2/Full Scale
Fire 1/Fire
Action/Pre/Alarm
Alert
Delay Times
Instantaneous Fire
16. Change-Over Times - Insert the time to switch from day to night thresholds and
night to day thresholds. By default day start and night start have been set at
07:00:00 and 19:00:00 respectively.
17. Weekend - Placing a
weekend. By default Saturday and Sunday are set as weekend days.
18. Holidays - Insert the first and the last day of holidays to set the different smoke
thresholds during this period.
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Default Minimum
2.000% obs/m 0.020% obs/m
(0.625% obs/ft) (0.0062% obs/ft)
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
10 seconds
Simultaneous
Disabled
against the relevant week day will denote it as being
Xtralis VESDA LCD Programmer Product Guide
Maximum
20.000% obs/m
(6.25% obs/ft)
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
0 seconds 60 seconds
Simultaneous Cumulative
Enabled Disabled
Min.
Access
Level
ADM
ADM
ADM
ADM
ADM
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