EST LSS4 - Glossary

Alarm
Signal
Cutoff
Alarm
Silence/Reset
Inhibit
Test
Notification
Appliance
Circuit
(NAC)
Initiating
Device
Circuit
(IDC)
March
Time
Morse"U"
Non-Silenceable
A
panel
option
which
automatically
silencesthesilenceable
Notification
Appliance
(NAC)
circuits
aftera
programmed
time
limit.
Cutoff
timer
range00to99
minutes.
A
panel
option
which
prevents
silencing
Notification
Appliance
Circuits
and
resettingthe
panelfora
programmed
period.
Inhibit
timer
range00
to99
minutes.
Maintenance
modeto
test
initiatingand
Notification
circuits.
Creating
an
alarmonthe
initiating
device
circuit
(IDC)
under
test
causesthe
programmed
Notification
appliance
circuit
(NAC)to
outputa one(1)
second
pulse.The IDC
is
then
automatically
reset.
Creatinga
trouble
conditionontheIDC
under
test
causesthe
programmedNACto
output
a two(2)
second
pulse.The IDC
automatically
resets
upon
removalof
the
trouble
condition.
If the
zone
is
configuredasan
alarm
zone,a 16
second
delay
occursduetothe
resettingof
smoke
detectors
before
resettingthe
panel.
A
supervised
output
circuit
connected
directlyto any
audibleor
visual
signal
device
usedto
indicatea
fire.
A
supervised
input
circuit
connected
directlyto any
manualor
automatic
device
whose
normal
operation
resultsinan
alarmor
supervisory
signal
indicationatthe
control
panel.
PIPE-5IGNAL
MARCH
TIME
(GENERAL
ALARMS —
TEMPORAL
MODSE'U'
.S
SEC.
LSS4
Coding
Sequences
A 50%
duty
cycle,
on/off
signal
pattern.
A
short-short-long
(Morse
code
"U")
signal
pattern.
fCODE SE61
CDPj
An
Notification
appliance
circuit
(NAC)
which
remains
active
after
initiation,
independentofthealarm
silence
switch.
LSS4
Installation,
Operation,and
Maintenance
Manual
Y.1