VESDA VLC Product Guide VESDA by Xtralis
18 www.xtralis.com
4.3 Default Settings
Parameter Default Values Range Access Level
Maximum Minimum
Event Log - Events
l Smoke Level Enabled N/A N/A Adm
l Alarms Enabled N/A N/A Adm
l Faults Enabled N/A N/A Adm
l User Action Enabled N/A N/A Adm
Fire Threshold 0.2% obs/m
(0.062% obs/ft)
0.015% obs/m
(0.0046% obs/ft)
20% obs/m
(6.25% obs/ft)
Adm
Pre-Alarm Threshold 0.14% obs/m
(0.044% obs/ft)
0.010% obs/m
(0.0031 obs/ft)
1.995% obs/m
(0.6234% obs/ft)
Adm
Alert Threshold 0.08% obs/m
(0.025% obs/ft)
0.005% obs/m
(0.0015% obs/ft)
1.990% obs/m
(0.6218% obs/ft)
Adm
Alarm Delays…Fire 10 Seconds 0 Seconds 60 Seconds Adm
Alarm Delays…Pre-Alarm 10 Seconds 0 Seconds 60 Seconds Adm
Alarm Delays…Alert 10 Seconds 0 Seconds 60 Seconds Adm
Delay Times Simultaneous Simultaneous Cumulative Adm
Instantaneous Fire Disabled N/A N/A Adm
AutoLearn 14 days
0 Hours
0 Minutes
0 days
0 Hours
15 Minutes
15 days
23 Hours
59 Minutes
Adm
Air flow Thresholds:
l High Urgent
l High Minor
l Low Minor
l Low Urgent
l 130%
l 120%
l 80%
l 70%
l 105%
l 105%
l 25%
l 25%
l 200%
l 200%
l 95%
l 95%
Adm
Communications:
l Open-ended loop
l Preferred Port
l Network Delay
l Health Check
None
A
15 seconds
45 seconds
N/A
N/A
10 seconds
40 seconds
N/A
N/A
45 seconds
60 seconds
DST
Device ID Name/Location N/A N/A Adm
Faults Latched Latched N/A N/A Adm
Filter Service Interval 1825 days (5 years) 1 day (Dependent up
on environment)
1825 days (5 years) Adm
Table 4-2: Default values for the VLC detector
Note: UL Specs: To meet UL specifications, any alarm thresholds that initiates an evacuation
procedure via a Fire Alarm Panel must not be set higher than 2% obs/m (0.625% obs/ft.)