Introduction
The automatic extinguisher control panel is designed in accordance with European
standards EN54-2 and EN54-4 Fire Detection and Fire Alarm systems - Control and
Indicating Equipment and EN12094-1 Fixed firefighting systems - Components for
gas extinguishing systems - Part 1: Requirements and test methods for electrical
automatic control and delay devices.
The control equipment is a combined fire alarm control panel and extinguishing
system and has four detection zones, any or all of which are capable of contributing
to the extinguishant release decision.
Control panels have an integral, mains powered battery charger and power supply
designed in accordance with the requirements of EN54-4.
In addition to the requirements of EN54-2 the control panel has the following
facilities:
Test condition to allow the automatic resetting of zones in alarm for testing purposes.
EN54-2 Section 10 option with requirements
Delay of the actioning of fire alarm devices (sounders) so that an alarm may be
verified before a premises is evacuated. EN54-2 Section 7.11 option with
requirements.
Fire alarm devices to enable an audible warning to be sounded throughout premises
upon the detection of a fire condition or the operation of a manual call point.
EN54-2 Section 7.8 option with requirements
In addition to the requirements of EN54-2, all control panels have voltage free relay
contacts for fire and local fire which operate upon a fire condition. These are to be
used for local control and signaling.
In addition to the requirements of EN12094-1 the control panel has the following
Delay of extinguishing signal of up to 75 seconds. EN12094-1 Section 4.17 option
with requirements.
Signal representing the flow of extinguishing agent to indicate the released
condition. EN12094-1 Section 4.18 option with requirements.
Monitoring of the status of components by way of a low pressure switch input.
EN12094-1 Section 4.19 option with requirements. Instruction Manual 5
Emergency hold device to enable the extinguishant delay time to be extended.
EN12094-1 Section 4.20 option with requirements.
Control of flooding time to deactivate the releasing output after a set period of time.
EN12094-1 Section 4.21 option with requirements.
Manual only mode to disable the release of extinguishant via automatic detection
devices. EN12094-1 Section 4.23 option with requirements.
Triggering of equipment outside the system by way of first and second stage
contacts, extract fan output etc. EN12094-1 Section 4.26 option with requirements
Activation of alarm devices with different signals to indicate pre-discharge and
released warnings using different sounds. EN12094-1 Section 4.30 option with
Specification

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