VESDA VFT-15 Product Guide
VESDA by Xtralis
30
www.xtralis.com
5.3.5
SECTORS ALMS: Set Sector Day and Night Alarms
Minimum Access Code Required:
Level 1
The display will now show DAY VALUES, use Parameter
UP
&
DOWN
to change to NIGHT VALUES.
Press
ENTER
to access the settings for all the sectors.
This function allows the user to set different values for day and night operation. The time of day when the
values change over is also configurable. Values can be set for all sectors or each sector individually.
Parameter
Description
VFT-15
VFT-15-C
Range
Default
Range
Default
ALL F2
All Fire 2 Alarm
Levels
0.08-20% obs/m
(0.024-6.25%obs/ft)
1.00% obs/m
(0.305%obs/ft)
2%-20% obs/m
(0.6%-6.25% obs/ft)
2.0% obs/m
(0.625%obs/ft)
ALL F1
All Fire 1 Alarm
Levels
0.06-20% obs/m
(0.018-6.25%obs/ft)
0.08% obs/m
(0.024%obs/ft)
1%-20% obs/m
(0.3%-6.25% obs/ft)
1.00% obs/m
(0.3125% obs/ft)
ALL
ACTION
All Action Alarm
Levels
0.04-20% obs/m
(0.012-6.25%obs/ft)
0.06% obs/m
(0.018% obs/ft)
0.75-1% obs/m
(0.228-6.25%obs/ft)
0.75% obs/m
(0.234%obs/ft)
ALL ALERT All Alert Alarm
Levels
0.01-20% obs/m
(0.003-6.25%obs/ft)
0.04% obs/m
(0.012%obs/ft)
0.50-0.77% obs/m
(0.152-6.25%obs/ft)
0.50% obs/m
(0.015%obs/ft)
Sn FIRE 2
n = 1 to 15
Sector 'n' Fire 2
Level
0.08-20% obs/m
(0.024-6.25%obs/ft)
1.00% obs/m
(0.305%obs/ft)
2%-20% obs/m
(0.6%-6.25% obs/ft)
2.00% obs/m
(0.625%obs/ft)
Sn FIRE 1
n = 1 to 15
Sector 'n' Fire 1
Level
0.06-20% obs/m
(0.018-6.25%obs/ft)
0.08% obs/m
(0.024%obs/ft)
1%-20% obs/m
(0.3%-6.25% obs/ft)
1.00% obs/m
(0.305%obs/ft)
Sn ACTION
n = 1 to 15
Sector 'n' Action
Level
0.04-20% obs/m
(0.012-6.25%obs/ft)
0.06% obs/m
(0.018%obs/ft)
0.75-1% obs/m
(0.228%-6.25% obs/ft)
0.75% obs/m
(0.234%obs/ft)
Sn ALERT
n = 1 to 15
Sector 'n' Alert Level
0.01-20% obs/m
(0.003-6.25%obs/ft)
0.04% obs/m
(0.012%obs/ft)
0.50%-77% obs/m
(0.152%-6.25% obs/ft)
0.50% obs/m
(0.15%obs/ft)
TRACE
Trace Level
0.01-20% obs/m
(0.003-6.25%obs/ft)
0.03% obs/m
(0.009%obs/ft)
0.01-20% obs/m
(0.003-6.25%obs/ft)
0.03% obs/m
(0.009%obs/ft)
FINAL SECTOR AS ABOVE
TRCDEL
Trace Delay
0 to 60 secs
3 secs
0 to 60 secs
3 secs
Table 5-5: Sector Alarm Parameters and Values
By default, NIGHT VALUES are set to the same as DAY VALUES. DELAYS are automatically the same for
both DAY and NIGHT.
ALL ALERT, ALL ACTION, ALL F1, ALL F2
These are the obscuration levels corresponding to the respective alarm events. Changes made should
preserve their progressive relationship. The values apply equally to OVERALL sampling and to TRACE
sampling.
TRACE
The obscuration level (in OVERALL sampling) which will cause the detector to begin Sector scanning.