Design Installation Operation Manual NANO/MAR/SYSTEM January 1, 2023 | version 1.2 P
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15.5
F
IRE ZONE ALARM
Upon receipt a fire alarm condition caused by the activation of a fire detector, the red alarm indicator
of the relevant fire alarm zone will flash. The common fire indicator will always accompany this, and
the internal buzzer sounds pulsating.
15.6
E
XTINGUISHING RELEASED
The red extinguishing release indicator lights continuously when the extinguishers are activated. This
red extinguishing release indicator lights up after ending of the configured extinguishing delay time,
or when the two extinguishing release buttons on the front are pressed or the external release button
is activated. A tone sounds when the extinguishing has released.
15.7
E
XTINGUISHING DELAY
The red extinguishing delay indicator indicates that the extinguishing release delay is active. This
indicator flash when the delay time is running. This indicator will light continuously when pressing the
hold button. When the hold button is released, the indicator shall flash again and re-start the
countdown release timer from maximum. This indicator turns off when the delay time has elapsed,
and the extinguishing release has taken place.
15.8
G
ENERAL FAULT
General fault indicator lights and specific fault indicators flash. This yellow fault indicator will light
continuously at any fault condition.
15.9
F
IRE ZONE FAULT
When the NCP has detected an error in one of the critical fire detection paths of the system, the
specific yellow zone fault indicator flash and the general fault indicator lights up. The internal buzzer
sounds pulsating.
15.10
E
XTINGUISHING RELEASE HOLD
The yellow hold indicator flash and a different tone sounds as long the hold button on the panel front,
or the external hold button is pressed. This yellow hold indicator is turns off when the hold button is
released.
15.11
E
XTINGUISHING RELEASE FAULT
This yellow indicator lights up continuously when a critical fault is detected (open or short circuit) in
the extinguishing output line. This yellow indicator will turn off when the cause of this malfunction
has been rectified.
15.12
I
NTERNAL FAULT INDICATORS
There are three extra yellow fault indicators on the internal electronic PCB,
meant for second priority fault messages and these indicators will flash.
▪
LED 1 signals a fault in the monitored sounder/beacon line
▪
LED 2 signals a fault in the external extinguishing release hold input
▪
LED 3 signals a fault in the emergency power source PSU 2
