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Quarterly
At quarterly intervals the system should be inspected and any
work necessary should be performed by a trained maintenance
engineer.
For help with service and maintenance please
refer to your servicing organisation, see
contact details entered in the log book.
Limitation of false alarm
It is recommended that the person responsible for the fi re
alarm system should arrange for suitable investigation and
appropriate action on occasion of every false alarm. For a
system having less than 40 automatic fi re detectors installed,
an in-depth investigation should be instigated on occurrence of
two false alarms in any rolling 12 months. For a system having
more than 40 automatic fi re detectors an investigation should
be instigated if there has been:
one false alarm for every 20 installed detectors in the
system in any rolling 12 months, or
two or more false alarm occurrences from a single device.
Control and indicating equipment
On occurrence of a fi re, fault or disablement event in the
protect premises, the event is quickly indicated at a control and
indicating equipment. The control and indicating equipments
are installed in accessible location and can be operated by the
person responsible for the fi re system.
Control panel
The control panel is the heart of the system. It is normally
located near to the main entry or exit point of the protected
premises.
The control panel continuously monitor devices that are
connected to each device loop. The device loop cable is routed
through the protected premises to cover all areas with both
ends of the loop terminating at the control panel. On the loop
cable are installed devices such as fi re sensors, that constantly
monitor the environment for fi re. Alarm devices on the loop
provide alert and evacuation alarm to warn occupants in the
protected premises in the event of a fi re.
Zone indicators
Fire
Fault
15:45
Verify
Healthy
Power Fault
Sounder
Vigilon Fire System
Fire Routing O/P
System Fault
GENT 2015
Pt 2 & 4
Designed to EN54
Delay
Power
Test
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Disablement
Control panel (with zone indicators)
Network node (has no zone indicators)
Vigilon fire alarm system
5
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