VESDA
®
LaserPLUS Product Guide
13
Table 2 - Factory default settings and permissible thresholds
Relays
The relays on the head termination card interface to Fire Alarm Control Panels to communicate
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.
Air flow Thresholds:
• High Urgent
• High Minor
• Low Minor
• Low Urgent
• Delay
130%
120%
80%
70%
0 seconds
105%
105%
25%
25%
0 seconds
200%
200%
95%
95%
60 seconds
Adm
Adm
Adm
Adm
Adm
Flow Control:
• Aspirator Speed 3,000rpm 3,000rpm 4,200rpm Adm
Filter Service Interval 730 days (2 years) 1 Day 1825 days (5
years)
Adm
Reference detector:
• Reference Zone No.
• Dilution
• Delay
255
100%
2 minutes
Selectable
1%
0 minutes
Selectable
100%
15 minutes
Adm
Adm
Adm
Display - relay Card None
(display only - 7
relay fitted)
Selectable
depending on
card fitted
Selectable
depending on
card fitted
Adm
Relay Set See Table 3, “Relay
assignments and
conditions to change
state for 7 relays
HTC,” on page 14
See Table 3,
“Relay
assignments and
conditions to
change state for 7
relays HTC,” on
page 14
See Table 3,
“Relay
assignments and
conditions to
change state for
7 relays HTC,”
on page 14
Adm
Communications:
Network Delay
Preferred Port
Health Check
Open - ended
15 seconds
A
45 seconds
None
10 seconds
N/A
40 seconds
N/A
45 seconds
N/A
60 seconds
N/A
DST
DST
DST
DST
UL Version On Selectable Selectable Adm
Parameter Default Value
Range
Access
Level
Minimum Maximum