EST LSS4 - Page 94

Condition
Canada
Waterflowloc
Canada
Supervisory
Condition
Supervisory
Condition
NAC
Zone
Trouble
IDC
Zone
Trouble
LSS4
Installation,
ACtive
In
dicators
Red
System
ATOFmLEDon
RedIDC
zone
LED
pulses
Yellow
system
supervisoryLED
on
YellowIDC
zone
LED
flashes.
Trouble
buzzer
sounds
Yellow
system
supervisoryLED
on
yellowIDC
zoneLED
flashes.
Trouble
buzzer
sounds
Yellow
system
troubleLED on
yellow
IDC/NAC
zone
trouble
LED
pulses
trouble
buzzer
sounds
Yellow
system
troubleLED on
yellowIDC
zone
troubleLED
pulses
trouble
buzzer
sounds
Table
4-6:
LSS4
Operation
System
Activité
NOtification
appliances
operateatthe
slow
pulse
pre-
alarfT›
rate(20
SPM)
until
auto-evac
timer
expires,
then
operateatthe
fast
pulse
general
alarm
rate( 120
SPM)
City
Tie/Remote
station
module
transmit
supervisory
condition.
Supervisory
open
collector
switchedto
common.
IDC
zoneopen
collector
switchedto
common.
Relays
operateper
program
City
Tie/Remote
station
module
transmit
supervisory
condition.
Supervisory
open
collector
switchedto
common.
IDC
zone
open
collector
switchedto
common.
Relays
operateper
program
City
Tie/Remote
station
modute
transmit
trouble.
Trouble
open
collector
switchedto
common.
City
Tie/Remote
station
module
transmit
trouble
Trouble
open
collector
switchedto
common.
Operation,and
Maintenance
Manual
Notes
System
O
peration
Press
Drill
/Test/Au
to-Ev
ac
CUtoff
SWÏtChtO
Stopand
reset
a
uto-evacuati
on
timer.An "A"
will
appear
the
system
display.
Subsequen
t
pre-alarm
zones
restartthe
auto-
evac
timer.
NACs
assignedto
waterflow
IDCsarenot
silenceable.
Zones
entering
alarmfor
the
first
time
resound
all
NACs
assignedto
previous
alarms.
in
Zone
latches
into
supervisory
state
regardlessof
subsequent
(i.e.
Openor
normal)
state
changes.
lndicates
open/shorted
NAC
circuit
steadyonLED
indicates
circuit
activated
lndicates
openIDC
circuit
4.11