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Polon-Alfa IGNIS 2000 - Automatic Alarm Signal Verification; Fault Mode

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18 IK-E283-001E
5.2.3 Automatic alarm signal verification
The control panel possesses algorithms that enable verification of fire alarm signal coming from fire
warning devices. Recognition of the received signal as a fire alarm is preceded by multiple checking
readout of the line status.
Moreover, it is a possible to program the following alarm variants for every detection line:
1
One-stage alarm – variant 0 without any delay, in which a line element actuation
immediately triggers the 2
nd
stage fire alarm (the alarm transmission relays actuation).
2
Two-stage alarm – variant 1 two-stage alarm with a programmable delay time T2 = 0…10 min
for the 2
nd
stage fire alarm indication. Lack of the personnel acknowledgement shortens the
delay time to the programmed T1 time; the RELAYS DISABLEMENT push button pressing will
result in the delay time zeroing and immediate outputs actuation.
3
One-stage alarm with a preliminary reset, (type A dependence in accordance with PN
standard) – variant 2 without any delay, in which the first detector actuation evokes its
immediate reset. An alarm is triggered after a repeated activation of any detector in the same
line before 60 s ± 10 s time lapse from the previous actuation. After 60 s ± 10 s time passing
without any new alarm triggering, the control panel returns to the initial mode.
4
One-stage alarm with a line interdependence (coincidence), (type B dependence in
accordance with PN standard) – variant 3 without any delay, in which it is possible to create
pairs of interdependent zones. The first alarm evoked in a line belonging to an
interdependent pair actuates only the internal acoustic buzzer, zone field indication and LCD
signalling (without the general fire indicator actuation). The 2
nd
stage fire alarm is triggered
immediately after entering the alarm mode by the other line belonging to the interdependent
pair under a condition that the first alarm has not been reset. The first alarm lasts until its
manual reset.
5.3 FAULT MODE
The fault mode is signalled by the control panel by the yellow FAULT (2) diode and by an acoustic
fault signal. The acoustic fault signal is an interrupted sound in 0.5 s/0.5 s cycle. Detailed information
about a fault type is available on the LCD display after the F.01 FAULT READOUT function selection or
after the FAULT (2) push button pressing at the 1
st
access level.
The control panel fault mode is signalled in case of:
- a break of or a short circuit in any detection line;
- a break of or a short circuit in alarm (external acoustic signalling device) line;
- a mains power supply fault;
- a battery fault resulting from its internal resistance increase above 2 Ω or a lack of a battery;
- a battery charging device fault;
- a break in the charging circuit;
- a F1 fuse insert burn-out;
- a microprocessor system fault;
- an earth fault, i.e. connection of any control panel circuit or any line attached to it with the
control panel metal casing or with other grounded objects.
Silencing of the sound signal is possible at the 1
st
access level by pressing the ACKNOWLEDGEMENT
push button. A reset of light signalling proceeds automatically after the fault removal. The only
exception is a kind of system fault resulting from the microprocessor controller serious fault, which
cannot be silenced, due to its importance, with the ACKNOWLEDGEMENT push button. A system
fault resulting from false configuration data can be silenced with the ACKNOWLEDGEMENT push
button but in such the case it is necessary to check the control panel configuration settings and,
eventually, correct them. If the signalling still persists, after such checking/correcting, it means that