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.)
