Xtralis
VESDA
®
Xtralis VESDA LCD Programmer Product Guide
www.xtralis.com
15
14.
Night Thresholds
- This screen allows viewing and changing the current Fire 2,
Fire 1, Action and Alert thresholds for night time.
ADM
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.
ADM
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.
ADM
17.
Weekend
- Placing a
against the relevant week day will denote it as being
weekend. By default Saturday and Sunday are set as weekend days.
ADM
18.
Holidays
- Insert the first and the last day of holidays to set the different smoke
thresholds during this period.
ADM
Scrn
No.
Description
Min.
Access
Level
Parameter
Default
Minimum
Maximum
Fire 2/Full Scale
2.000% obs/m
0.020% obs/m
20.000% obs/m
(0.625% obs/ft)
(0.0062% obs/ft)
(6.25% obs/ft)
Fire 1/Fire
0.200% obs/m
0.015% obs/m
2.000% obs/m
(0.0625% obs/ft)
(0.0046% obs/ft)
(0.6250% obs/ft)
Action/Pre/
Alarm
0.140% obs/m
0.010% obs/m
1.995% obs/m
(0.044% obs/ft)
(0.0031 obs/ft)
(0.6234% obs/ft
Alert
0.080% obs/m
0.005% obs/m
1.990% obs/m
(0.025% obs/ft)
(0.0015% obs/ft)
(0.6218% obs/ft)
Parameter
Default
Minimum
Maximum
Fire 2/Full Scale
10 seconds
0 seconds
60 seconds
Fire 1/Fire
10 seconds
0 seconds
60 seconds
Action/Pre/Alarm
10 seconds
0 seconds
60 seconds
Alert
10 seconds
0 seconds
60 seconds
Delay Times
Simultaneous
Simultaneous
Cumulative
Instantaneous Fire
Disabled
Enabled
Disabled
