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1. 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
Facilities:
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
Requirements.
2. Safety
Suppliers of articles for use at work are required under section 6 of the Health and
Safety at Work act 1974 to ensure as reasonably as is practical that the article will
Be safe and without risk to health when properly used.
An article is not regarded as properly used if it is used 'without regard to any relevant
Information or advice' relating to its use made available by the supplier.
this product should be installed, commissioned and maintained by trained service
Personnel in accordance with the following:
(i) IEE regulations for electrical equipment in buildings
(ii) Codes of practice
(iii) Statutory requirements
(IV) Any instructions specifically advised by the manufacturer
According to the provisions of the Act you are therefore requested to take such steps
as are necessary to ensure that you make any appropriate information about this
Product available to anyone concerned with its use.
this equipment is designed to operate from 230V/50Hz mains supplies and is of
Class 1 construction. As such it must be connected to a protective earthing
Conductor in the fixed wiring of the installation and a readily accessible double pole
Disconnect device meeting the requirements of EN60950/IEC950 which disconnects
Live and neutral simultaneously shall be incorporated in the fixed wiring.
Switch disconnect devices such as MK Sentry 63A or similar are suitable for this.
6 AUTOMATIC EXTINGUISHER CONTROL PANEL
Failure to ensure that all conductive accessible parts of this equipment are
Adequately bonded to the protective earth will render the equipment unsafe.
this control panel is environmental class A and is designed for indoor use only at
Temperatures between -50(+/- 3) and +400 (+/- 2) and with a maximum relative
Humidity of 95%.
the IP rating for the enclosure is IP30.
Operation outside of these limits may render the equipment unsafe.

3. Technical specification
Table 1 - Electrical specifications
ITEM ELECTRICAL RATING COMMENT
Size 383mm W x 295mm H x 87mm D metal enclosure
Weight 5kg
Mains supply 90 to 270VAC, 50Hz/60Hz
Mains supply fuse 3 Amp ( F3A L250V) Replace only with similar type
Power supply rating 3 Amps total including battery charge 28V +/- 2V
Maximum ripple voltage 200 millivolts
Battery type Two 12 Volt sealed lead acid in series. 7Ah maximum
Battery charge voltage 27.6VDC nominal
Battery charge current 0.7A maximum
Current draw in mains fail condition 0.095 Amps with buzzer sounding
Current draw in second stage alarm 0.235Amps Two zones in fire(470 ohm in circuit)
Current draw in post discharge condition 0.310Amps solenoid outputs active
Maximum current draw from batteries 3Amps with main power disconnected
NAC outputs(sounder & bell circuit) 26 to 28V DC Fused at 500mA with electronic fuse 1.2Amp total load over all circuits
Fault relay contact rating 2A /30VDC maximum for each Volt free changeover contact
Fire relay contact rating 2A /30VDC maximum for each Volt free changeover contact
First stage contact rating 2A /30VDC maximum for each Volt free changeover contact
Second stage contact rating 2A /30VDC maximum for each Volt free changeover contact
Extract contact rating 2A /30VDC maximum for each Volt free changeover contact
Zone quiescent current 4mA maximum
Terminal capacity 0.5mm2 to 2.5mm2 solid or stranded wire
Number of detectors per zone 30 PCS conventional detectors
Number of sounders per circuit Dependent on type and current consumption
Detection circuit end of line 4K75% 1/2 Watt resistor 3K-5.6K 1/2W
Monitored input end of line 4K75% 1/2 Watt resistor 3K-5.6K 1/2W
Sounder circuit end of line 10K5% 1/2 Watt resistor 6.8K-20K 1/2W
Extinguishant output end of line 10K5% 1/2 Watt resistor 6.8K-20K 1/2W
No. of detection circuits Four 21 to 28V DC
No. of sounder circuits Four 21 to 28V DC
Extinguishant release output 21V to 28V DC. Maximum load 2 Amp
Extinguishant release delay time Adjustable 0 to 75 seconds 5 second steps
SIL, AL, FLT, RST inputs Switched min resistance 0 ohms, max 1k ohms
Detector alarm threshold 270 ohms to 1K ohms
Call point alarm threshold 150 ohms to 1K ohms
Short circuit threshold 0 ohms to 130 ohms
Status unit/Ancillary board connection Two wire RS485 connection with electronic fuse. Max. of 32 units-RS485 data cable