Matsushita Electric Works Fire & Security Technology AB
MEW00442
Rev: -
Operating Instructions EBL512, V1.44.x
22
8
Push button "Silence"
In the control unit (on the FBP) there is a push button (P2) "Silence"
and an LED (L7) "Silence". In some configurations / conventions,
this button could have special function(s).
8.1
Silence before a fire alarm
19
If the push button "Silence" is pushed
before
a fire alarm / fault,
the following will happen:
•
LEDs "Silence" and "Disabled" (L10) will light up (steady
ON)
•
the buzzer in the control unit will be disabled
•
outputs programmed for sounders (type 3 = alarm devices)
will be disabled
If case of a fire alarm, the buzzer and the sounders will
remain
turned
OFF (not sound).
In case of a fault, the buzzer will
remain
turned OFF (not sound).
To reset this function, push "Silence" once more. The LEDs will be
turned OFF, indicating a normal state.
8.2
Silence during a fire alarm
If the push button "Silence" is pushed
during
a fire alarm, the
following will happen:
•
LEDs "Fire" and "Alarms queued"
20
(L2) changes from
blinking to steady ON
•
the buzzer in the control unit will be turned OFF
•
activated outputs, programmed for sounders (type 3 = alarm
devices), will be turned OFF
In case of a new fire alarm, or if the push button "Silence" is pushed
again, the buzzer and the sounders (i.e. the outputs), will automatically
be turned ON and LEDs "Fire" and "Alarms queued" starts blinking.
If the push button "Silence" is pushed
during
a fault condition, the
following will happen:
•
the buzzer in the control unit will be turned OFF
It will be turned OFF until the push button "Silence" is pushed again
(or a fire alarm is activated).
19
In some configurations / conventions, e.g. Swedish (RUS), Brittish
Standard and B.S. (Marine application) is this function
not valid
.
20
When more than one fire alarm is activated.
