4
(9) CPU trouble indicator ········· When CPU, handling with signals of alarm delay circuit and fire
circuit etc, becomes in trouble, this indicator turns on. When this
indicator turns on, immediately contact maintenance contract
company because urgent repair is necessary.
(10) Fuse fault indicator ··········· When zone alarm bell output fuse (F6) melts down, the light
turns on (red). When the fuse is exchanged, the light turns off.
(11) Battery fault indicator ······· When standby battery is not connected, the light
turns on (red).
(12) Emergency PA indicator ····· At emergency PA and when zone alarm bell silences, the light
flickers. At signal line fault, the light turns on.
(13) Manual alarm station ············ When fire signal is received from manual alarm
indicator station, the light turns on (red).
(14) Hydrant operation ············ When hydrant pump actuates, the light flickers(red).
indicator
(15) Other Alarm indicator ······· When alarm signals of fire extinguishing system etc are
input, the light turns on (red).
(16) Panel buzzer ···················· 1. Main alarm
The panel buzzer sounds continuously to inform a fire. Even buzzer is
silenced, it will re-sound by operation of manual alarm station or when
other zone line becomes fire condition.
2. Alert tone
This will intermittent sound at telephone calling time, at battery fault, at
fuse fault, at turning on of other alarm and emergency PA,
at sounding of line fault and circuit voltage fault (below 20.4V).
3. Maintenance tone
When the maintenance switch is operated, the panel buzzer sounds with a
small click sound once in 10 seconds. After that, if pressing and holding the
Panel Alarm Silence Switch, the panel buzzer is changed to sound once in
60 minutes. When this change is performed, the blinking cycle of Zone
Alarm Bell Silence Indicator will change.
If pressing and holding the Panel Alarm Silence Switch again, or operating
the Maintenance Switch again to be back to the initial position, then the
panel buzzer is also back to the original sound, once in 10 seconds.
4. CPU trouble tone
Main CPU is in trouble, the panel buzzer sounds continuously with small
sound volume
(17) Telephone jack ·················· Insert a handset plug into this jack while control panel buzzer
is sounding and telephone light is turning on, then buzzer
silences and telephone communication becomes possible. After
telephone communication, unplug handset and confirm
telephone indicator light turns off.
(18) Panel alarm silence switch······ When this switch (red) is pressed to silence side, fire alarm
(16-1) silences. The sounder resounds when the panel receives
fire signal from other zone so that press the switch again to
silence side to stop sound. The switch is bounce-back type and
returns to normal position after operation. Also when this switch
is pressed to silence side, alarm buzzer (16-2) also stops.
Note: Telephone calling alarm buzzer sound can not be silenced
by this switch.
(19) Zone alarm silence switch ······· When pressed at zone alarm bell sounding time, zone alarm
bells silence.
2. Name and Function of Each Section
Содержание 1PM3-nLA
Страница 13: ...11 6 Block Diagram...
Страница 19: ......
Страница 20: ...54 5 1 CHOME SASAZUKA SHIBUYA KU TOKYO 151 8535 JAPAN TEL 81 3 5333 7021 URL http www nittan com english 20 03B...