
LaserSCANNER Product Manual
VESDA
®
16
Table 1 - Default settings and permissible thresholds
Relays
The relays on the Head Termination card interface to Fire Alarm Control Panels communicating
faults, alarms and isolate states. The relays can be programmed using PC based software or the
LCD Programmer and can be assigned multiple assignments. See the LCD Programmer Manual
for details. Relays 3 and 6 are permanently set for Urgent Fault and Fire 1 respectively and can
be programmed for additional functions. The table below illustrates default assignments for
relays and assignment of multiple functions. It is possible to assign the same function to more
than one relay.
Note:
Assignments to relays 3 and 6 are fixed to Urgent Fault and Fire 1 respectively.
These relays may be assigned additional assignments.
Fire 1 Threshold
0.2% obs/m
0.0625% obs/ft.
0.015% obs/m
0.0046% obs/ft.
2% obs/m
.6250% obs/ft.
Adm
Fire 2 Threshold
2% obs/m 0.625%
obs/ft.
0.02% obs/m
0.0062% obs/ft.
20% obs/m
6.25% obs/ft.
Adm
Isolate Reminder Beep
On
NA
NA
Adm
Reference detector:
Reference Zone No.
Dilution
Delay
255
100%
2 minutes
Selectable
1%
0 minutes
Selectable
100%
15 minutes
Adm
Adm
Adm
Hardware Relays
7
7
12
Adm
Scan Sector Delay
10 seconds
8 seconds
15 seconds
Adm
Scan Threshold
0.02% obs/m
0.0062% obs/ft.
NA
NA
Scan Threshold Delay
3 seconds
0 seconds
10 seconds
Adm
Smoke Change...
Change By
0.02% obs/m
0.0062% obs/ft.
0.005% obs/m
(0.0015% obs/ft.
1.990% obs/m
(0.6218% obs/ft.
Adm
Smoke Change...
Minimum Interval
2 seconds
2 seconds
10 seconds
Dst
UL Version
On
Selectable
Selectable
Adm
Units
SI
Selectable
Selectable
Adm
Weekend
Saturday and
Sunday
Selectable
Selectable
Adm
Parameter
Default Value
Range
Access
Level
Minimum
Maximum