Specification: Pearl Digital Fire Detection System

Specification: Pearl Digital Fire Detection System
Specification:
ID3000
Pearl Digital Fire Detection System
Pearl Addressable Fire Detection and Alarm
System Specification
Contents
Scope of Work ................................................................................................................................................................. 2
The EN54 Part 2 & 4 Fire System ................................................................................................................................... 2
Standards ........................................................................................................................................................................ 2
Control and Indicating Equipment (C.I.E) ....................................................................................................................... 4
Addressable Photoelectric Smoke Detector Specification .............................................................................................. 9
Addressable Thermal Heat Detector Specification ....................................................................................................... 11
Addressable Multi-Criteria SMART2 Detector Specification ......................................................................................... 13
Addressable Multi-Criteria SMART3 Detector Specification ......................................................................................... 15
Addressable Multi-Criteria SMART4 Detector Specification ......................................................................................... 17
Addressable View Laser High Sensitivity Smoke Detector Specification ..................................................................... 19
Addressable Loop Powered Beam Detector Specification ........................................................................................... 21
Addressable In-Duct Smoke Detector Housing Specification ....................................................................................... 23
High Sensitivity Aspirating Smoke Detection Systems ................................................................................................. 24
Addressable Manual Call Point Specification ............................................................................................................... 27
Addressable Control Module Specification ................................................................................................................... 28
Addressable Radio Interface Translator Module Specification ..................................................................................... 30
Addressable Monitor Module Specification ................................................................................................................... 31
Addressable Dual Monitor Module Specification .......................................................................................................... 32
Addressable Dual Monitor and Single Relay Output Module Specification .................................................................. 33
BS7273-4 Door Release System Specification ............................................................................................................. 35
Addressable Loop Powered Audible Visual Devices Specification ............................................................................... 36
Appendix 1 - Type B Dependency ................................................................................................................................ 37
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Specification:
ID3000
Pearl Digital Fire Detection System
Scope of Work
To design, supply and install a Digital Addressable Fire Alarm Detection and Alarm System in accordance with the
details specified herein and in accordance with supplied drawings.
The EN54 Part 2 & 4 Fire System
The system shall include all materials, equipment and wiring required to install the complete Fire Detection and
Alarm System. The system shall include but not be limited to one or more control panels, repeater panels, and
detectors, call points, audible and visual alarm indicating devices and relays.
The installation shall include the laying of all cables required for connection of the detection, alarm indicating and
other devices along with connections to the power supply as appropriate to the design.
All cabling shall conform to the requirements and recommendations of the Fire Alarm Control Panel manufacturer.
Any openings /chasings in walls, ceilings or floors shall be fire-stopped as appropriate and made good.
The system shall be designed such that no more than 80% of the available signalling / detection loop capacity is
employed to allow for future requirements.
Standards
The fire detection system shall be designed, installed and commissioned in accordance with, and all elements shall
meet the requirements of:
 BS5839-1: 2013 Code of Practice for automatic fire detection and alarm systems
 EN54-Part 2: Control and indicating equipment
 EN54-Part 3: Audible fire alarm devices
 EN54-Part 4: Power supply equipment
 EN54-Part 5: Heat Detectors – point type
 EN54-Part 7: Smoke Detectors – point type using scattered light
 EN54-Part 8: High temperature heat detectors
 EN54-Part 10: Flame detection
 EN54-Part 11: Manual call points
 EN54-Part 12: Beam smoke detectors
 EN54-Part 15: Multi-detector fire detectors
 EN54-Part 17: Isolators
 EN54-Part 18: Input / Output modules
 EN54-Part 20: Aspirating smoke detection
 EN54-Part 23: Visual alarm devices
 EN54-Part 25: Radio linked devices
 EN54-Part 26: Point detectors using CO elements
 EN54-Part 27: Duct smoke detectors
 BS7671 - IEE Wiring Regulations
 BS7273 Code of practice for the operation of fire protection measures Part 4: Actuation of release
mechanisms for doors
The responsible company should be able to demonstrate their competence to design, install and commission the
system, e.g. by certification to BAFE SP203, LPS1014 or other relevant standard.
The equipment manufacturer shall operate a quality management system in accordance with ISO 9001:2000. In
addition, the equipment shall be manufactured and Third Party Certificated under a recognised factory control
procedure.
All detection devices shall be independently certified as complying with the relevant EN54 standard.
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Specification:
ID3000
Pearl Digital Fire Detection System
The Fire Alarm Control Panel shall be independently certified as complying with requirements of EN54 Part 2 and
EN54 Part 4.
The Control and Indicating Equipment (C.I.E) shall be independently certified as complying with requirements of
EN54 Part 2 and EN54 Part 4, including any Network devices to connect multiple C.I.E together.
In addition to the basic requirements of EN54, the C.I.E shall offer the following EN54 optional features with
requirements:
Optional Functions:
EN54-2 Clause
Indication
7.10.4
7.13
8.3
Fault signals from fire protection equipment
Alarm counter
Fault Signals from points
Outputs Fire alarm devices
Fire alarm routing equipment
Fire alarm routing equipment with confirmation
Fault warning routing equipment
7.8
7.9.1
7.9.2
8.9
Controls
7.11.1
7.11.2
7.12.2
7.12.3
9.5
10
Investigation delays to outputs
Manual or automatic switching of delays to outputs
Dependency on more than one alarm signal. Type B
Dependency on more than one alarm signal. Type C
Disablement of points
Test condition
Power Supply Equipment Functions:
Operation from a main power supply
Operation from a standby battery
Monitor and charge the standby battery
Recognise and notify supply faults
EN54-4 Clause
5.1
5.2
5.3
5.4
The Fire Alarm Control Panel shall also support a number of additional functions that are not covered by EN54.
These additional functions shall include:



Programmable Cause / Effect on Outputs (E.g. Phased Evacuation)
Auxiliary Power Supply Output
Auxiliary Relay Outputs
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Specification:
ID3000
Pearl Digital Fire Detection System
Control and Indicating Equipment (C.I.E)
Functional Description
The C.I.E shall be the central controller of the complete system. It shall receive and process analogue and digital
information from the detection devices, provide audible and visual indication of alarm and other conditions to the
user, automatically initiate alarm response sequences and provide the user interface for interrogation and user
programming of the system.
Updates to the C.I.E operating software shall be simple to undertake and shall not require the use of replaceable
components. The operating program and configuration memory shall be stored in non-volatile memory and shall not
rely on batteries for retention.
The C.I.E shall incorporate separate microprocessors for signalling loop control and central operation, C.I.E
networking shall be controlled from a separate microprocessor.
The C.I.E shall provide a user interface from which; controls can be operated, manual operations can be carried out,
indications are audible and/or visible and system information can be obtained. It shall also be capable of
unambiguously indicating the following functional conditions: Quiescent condition, fire alarm condition, fault warning
condition, test condition and disablement condition. Furthermore, the fire alarm condition shall always be capable of
clearly being indicated without any prior manual intervention at the C.I.E.
The C.I.E shall be easy to configure all basic operating characteristics and variables through the user interface on
the C.I.E to satisfy the detection zone and output mapping of the premises. A PC Tool operating under the
Windows™ operating system shall also be available to fully program the panel.
The C.I.E shall support up to 318 devices on the signalling loop. The C.I.E shall fully support the sub-addressing
capabilities of the relevant input and output devices.
The C.I.E shall contain of one or two signalling loop drivers depending on the system design requirements. Each
signalling loop shall be capable of supplying at least 750mA of power for loop-based sounders or other output
devices.
The signalling loop should be capable of supporting field based devices on fire rated cabling of not less than 3500m
in length.
The C.I.E shall provide 2 outputs to fire alarm devices, each rated at 0.5 ampere. An auxiliary supply output shall
also be available to provide power for internal option modules.
The C.I.E shall incorporate a real-time clock for time stamping of in excess of 1000 events in the event history log
and for scheduling of time related functions, the real-time clock shall have battery back-up and shall adjust to
daylight savings time automatically. The event history log shall be stored in non-volatile memory and shall be able to
be recovered even in case of total power failure to the control panel.
It shall be possible to install a network communications card to allow connection of up to 125 network nodes to
include C.I.E, remote terminals, mimic displays or other peripheral devices.
The network shall offer peer-to-peer operation and be fault tolerant. The time to propagate a fire alarm condition
across the network shall not exceed 2 seconds even in the event of a single network fault. The network shall have a
message priority system to ensure that fire messages are transmitted to all network nodes within 2 seconds even in
case of multiple faults being simultaneously generated.
A single C.I.E shall have the capability for displaying 64 fire alarm zones. In a network system, the overall system
shall have the capability for up to 8,192 fire alarm zones.
It shall be possible to adjust sensitivity settings for all detection devices based on a time clock. It shall be possible to
select device modes for both active and inactive time periods for multi-detector detectors.
It shall be possible to configure the panel for Stage 1/ Stage 2 Investigation operation based on a time clock. It shall
be possible to configure the devices used for investigation on an individual basis. This shall also include call point
type devices.
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Specification:
ID3000
Pearl Digital Fire Detection System
It shall be possible to configure up to 8 independent time clocks. Each time clock shall be capable of up to two active
time periods for each day of the week.
All fault conditions shall be latching.
A pre-alarm condition shall be able to be recognised from detectors approaching their alarm threshold. The prealarm condition shall be able to be used as an input to the cause and effect programming such that an appropriate
warning may be given to staff monitoring the system.
All input devices shall have the capability of being latching or non-latching except when configured for Fire Alarm
input.
It shall be possible to configure complex cause and effect operation for phased evacuation and output control
operations at the panel. The cause and effect must be able to define at least 500 separate relationships between
cause and effect. These relationships must be capable of controlling separate sounder tones, intermittent or constant
tones, disablement of other devices, and links to PA/VA system for output. The inputs must be able to be operated
singly or using coincidence between devices or zones, they must be able to be time-related and include not only the
ability to switch on alarm but also on fault, pre-alarm.
The individual rules must be able to combined using logical relationships to define operational priority, including
definition of a “first-come-first-served” strategy to prevent clashes of priority in case of multiple alarms.
It shall be possible to connect optional equipment in accordance with the requirements of EN54-2 Standardised I/O
such as mimic panels and remote control terminals.
C.I.E Construction
The C.I.E shall be of ABS UL94-HB40 construction. It shall be capable of surface or semi-flush mounting. 20 x 20mm
top mounted and 2 x 20mm bottom mounted cable entry holes shall be provided to accommodate all likely wiring
requirements. The top cable entry shall be provided via a separate bracket to allow first fix without putting the control
equipment at risk. The entry points shall be open, being provided with plugs to close unused holes so that “knocking
out” discs, thereby risking damage to the equipment.
The housing shall meet IP30 (EN60529) minimum ingress protection classification. It shall not be possible to open
the enclosure without a special tool.
C.I.E Indications
The C.I.E shall be equipped with a Monochrome QVGA (Quarter Video Graphics Array) display, 320x240 pixels as
the primary indicator displaying a mixture of graphical and textual information. The display shall be capable of
displaying 15 lines x 40 characters.
The display shall incorporate a backlight that will illuminate upon any event or button press.
The primary display shall be simultaneously capable of indicating the presence of Fire Alarms, Faults, Disablements
and Tests in accordance with the requirements of EN54-2.
In addition, the following minimum LED indicators shall be provided in accordance with the requirements of EN54-2:
 Power On
Green
 Fire Alarm
Red
 Fault
Yellow
 Disable
Yellow
 Test
Yellow
 Pre-Alarm
Yellow
 System Fault
Yellow
 Delay Active
Yellow
 Alarm Fault/Disablement
Yellow
 Fire Protection Active
Red
 Fire Protection Fault/Disablement
Yellow
 Fire Output Active
Red
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Specification:
ID3000
Pearl Digital Fire Detection System


Fire Output Fault/Disablement
Technical Alarm
Yellow
Yellow
Panel Controls
The C.I.E shall be provided with the following minimum manual controls:
 Mute Buzzer
 Sound Alarms
 Resound Alarms
 Silence Alarms
 Reset System
 Extend Delay
 End Delay
 Disable Fire Output
 Disable Fire Protection Devices
 Disable Alarm Devices
In addition, the following controls shall be provided for menu operation and programming:
Navigation keys,

An Asterisk
*, used to initiate context-sensitive shortcuts
A confirmation key,

A numeric keypad,
0-9,
also providing the function for letter / character programming
A Cancel key,
x
A Help key,
i
A Clear key,
C
A Shift key,

4 x Soft keys,
shall be able to be programmed to provide site specific function
e.g. Day mode switch
The C.I.E shall be provided with control keys that can illuminate as an aid to guide the user through basic operation
procedures.
Access to the controls above shall be able to be accomplished via either a user-specific access code or by a control
enable access key. All control panels on a network shall be supplied with common pattern control enable keys.
Panel Features
The Fire Alarm Control Panel shall be provided with the following minimum features
 Control-By-Event-By-Time.
 Day/Night Sensitivity settings.
 Device Blink Control.
 Log/Display Reports.
 Alarm Delays.
 Non-Alarm Module Reporting.
 Periodic Detector Test.
 Non-addressed device detection (address 0).
 Duplicate address detection.
 Walk Test.
 Upload/Download to PC Computer.
 “Autolearn “facility
 Class change
 Real Time Display of Analogue or Digital Data.
 Degraded mode of operation
Networking
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Specification:
ID3000
Pearl Digital Fire Detection System
The Fire Alarm Control Panel shall be capable of networking up to 125 Nodes on a secure network complying to
EN54-2 as a distributed C.I.E.
A zoning facility to allow the networked system to share up-to 8,192 zones giving non-confusing indication and
allowing true peer-to-peer cross panel report, control and site-wide cause and effect functionality.
Functionality
The network shall use a multi token-passing, non-collision-based protocol. A single token shall be used between two
stations only and be un-reliant on any other token in the system.
Two communication links shall be provided on each network node capable of communicating independently of each
other. Each communication links shall be electrically isolated.
When the network node receives a message, the message shall be regenerated and error checked before it is retransmitted to the next network node.
A priority message system must be provided so that fire response is prioritised above other network messages. In
case of one or more fire messages “over-taking” a lower priority message the lower priority message shall be stored
on the network for continued transmission once the high priority messages have all been sent.
Each network node shall have an independent microprocessor dedicated to control of the network. The use of the
C.I.E microprocessor for network control is not acceptable.
Network distance boosters shall be available if required.
Network Capacity and General Operation
It shall be possible to connect up to 125 nodes on the entire network.
The network shall be capable of accepting up to 16 C.I.E’s.
The propagation delay though any network node shall not exceed 50mS for any message not including low priority
messages at the time when they may be overtaken at the node by a higher priority message.
A single network fault, either open or short circuit between nodes, shall have no effect on network transmission.
The network shall be true peer-to-peer performance and not be reliant on any single node in the system to control
the network information.
The control of the entire network is possible from any C.I.E. in terms of system control functions, Disablements,
testing or the display of device statuses including analogue or digital real time value.
Supervision of open & short circuit shall be provided between all nodes.
Optional earth fault monitoring shall be provided.
The network shall be connected in a closed ring. Networks using sub network/stubs or Master/slave architecture are
not acceptable.
Messages shall be transmitted simultaneously in both directions around the network so that messages are received
as fast as possible at all points. The second time a message is received at each node it shall not be ignored but
registered and passed on to the next point so that full confirmation of receipt is available to the sending node.
The network system shall provide the capability to synchronise addressable loop sounders across the network.
Network Cabling
The network cable shall be two core copper cables suitable for the purpose. This shall include capability of using
standard fire retardant cables of the types used for addressable loops for the network. The maximum distance
between adjacent network nodes (using standard 1.5mm fire retardant cable) shall be at least 1.6km.
Optical Fibre shall be used if specified. Optical Fibre shall be 50/125 or 62.5/125 mm duplex fibre only.
Use of fibre shall not impose any delay on message.
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Specification:
ID3000
Pearl Digital Fire Detection System
It shall be possible to mix fibre optic and copper cables in each C.I.E. or booster such that any node may convert
from one media to another.
Software
A PC Configuration Tool shall be available for configuration of the C.I.E and for retention of configuration data.
The PC Configuration Tool shall be graphically based and operate under Windows ™ operating systems XP pro and
Windows 7.
All system information including loop device configuration and cause and effect programming shall be stored on a
removable SD memory card.
It shall be possible to configure ALL basic configuration parameters and settings from either the C.I.E front panel or
from the PC Configuration Tool.
A PC Configuration Tool shall be available to allow the site to re-configure device text labels without affecting the
C.I.E cause and effect programming. The text labels shall be able to be exported to Microsoft Excel for typing
independently of the system configuration.
It shall be permitted to configure enhanced/ extended features and functions from the PC Configuration Tool only.
Loop Design
A tool shall be provided to demonstrate that the loop as designed provides critical signal path redundancy, e.g. all
loop powered alarm devices will function in case of a single loop fault if so required by the system designer
Repeater / Mimic Panels
It shall be possible to provide remote access to monitor or control the operation of the installation.
The repeaters and mimic controllers shall communicate with the fire alarm control panel via an RS485 (multi-drop)
communications link. Up to 16 Repeaters/Mimic Controllers may be connected to the RS485 communications
cabling. If critical signal path redundancy to repeaters is required they shall be capable of being connected directly to
the panel network.
The repeaters/mimics shall require only four wires to provide power and data.
Each repeater shall provide full text location detail as indicated at the main C.I.E.
The repeater shall provide switches to control the following functions:
 MUTE BUZZER
 END DELAY/EVACUATE
 SILENCE/RESOUND ALARM DEVICES
 CHANGE TABS
 ZONES IN ALARM
 RESET
Power Supplies
All power supplies (integral to the fire alarm control panel or remote) shall be certified to EN54-4: 1998 and shall be
capable of supporting:
2x12 volt 12Ah, Sealed Lead Acid type batteries in standard enclosure or 2x12 volt 38Ah, Sealed Lead Acid type
batteries in extended housing.
Batteries shall have sufficient capacity to power the fire alarm system for not less than twenty-four hours plus 30
minutes of alarm upon a normal AC power failure.
A manufacturer’s supplied Windows™ software tool shall be used to provide the calculations required to determine
the minimum battery capacity required for the associated system loading over the expected standby time.
All power supplies shall be capable of operating from a main supply of 230VAC 50/60Hz.
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Specification:
ID3000
Pearl Digital Fire Detection System
Addressable Photoelectric Smoke Detector Specification
Compliance with standards
The addressable Photoelectric Smoke Detector shall be third party approved to EN54 part 7.
Functionality
The Detectors shall use the photoelectric (light-scattering) principal to measure smoke density and shall, on
command from the C.I.E, send data to the panel digitally representing the analogue level of smoke density.
Photoelectric Smoke Detectors shall be intelligent and addressable devices and shall connect with two wires to one
of the C.I.E. Signalling Line Circuit loops.
The detector shall operate on a digital protocol to give reduced power consumption, upto 159 detectors and 159
modules may be connected to a single loop.
The detectors shall be fitted with a loop isolation device in-built into the device.
Location of devices on the loop circuit shall with the aid of a Loop Mapping Tool be able to identify it’s location and
address on the loop, allowing for a schematic layout drawing to be produced and printed for use in the O&M manual.
The Detectors shall be ceiling-mount and shall include a twist-lock base.
Group Polling
The detector shall be capable of group polling with improved performance a result.
There shall be no limit to the number of devices that can be grouped together on the same loop.
Implementation of group polling feature shall decrease response time for an alarm to be detected to less than 2.5
seconds, the use of complex cause and effect programming shall not increase the operation of all output devices to
more than 10 seconds.
Test functions
The Detectors shall provide a means of test whereby they will simulate an alarm condition and report that condition
to the C.I.E.
Such a test may be initiated at the Detector itself (by activating a magnetic switch) or initiated remotely on command
from the control panel.
Address setting
The Detectors shall provide address setting on the Detector head using decimal switches.
Addressable Detectors that use binary address setting methods, such as a dip switch, code cards or soft addressing
are not acceptable.
The Detectors shall also feature an internal identifying code that the C.I.E. shall use to identify the type of Detector.
Visual indication
The Detectors shall provide dual bi-colour LED’s. Both LED’s enable red, amber and green local status indication
also indicating that the Detector is operational and in regular communication with the C.I.E.
The LED’s shall be configurable from the C.I.E to give visual indication of:
 Device Healthy
 Fire
 Fault – Isolation in use
 Detector Dirty
 Test Mode
 Chamber Fault
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Specification:
ID3000
Pearl Digital Fire Detection System
If required, the flashing mode operation of the Detector LED’s shall be controlled through the system field program.
An output connection shall also be provided in the base to connect an external remote alarm LED.
Sensitivity settings
The Detector sensitivity shall be set through the C.I.E, and shall be adjustable in the field through the field
programming of the system.
Sensitivity may be automatically adjusted by the panel on a time-of-day basis.
Theses sensitivity levels shall not contravene EN54 part 7 unless placed in to thermal (heat) only mode in which
case the unit shall comply with EN54 part 5.
Drift compensation
The Detector shall automatically compensate for dust accumulation and other slow environmental changes that may
affect their performance.
The use of this function shall not contravene EN54 part 7.
Additional requirements
Optional relay base and isolator base variants shall be available.
Up to 159, intelligent Detectors may connect to one SLC loop.
The C.I.E software, not the detector, shall make the alarm decision.
The sensitivity of each detector shall be set in the C.I.E.
The system operator shall be able to view the current analogue or digital value of each detector at the C.I.E.
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Specification:
ID3000
Pearl Digital Fire Detection System
Addressable Thermal Heat Detector Specification
Compliance with standards
The Heat Detector shall be third party approved to EN54 part 5.
Types A1R, A1, and BS shall be available.
Functionality
The Detectors shall use an electronic detector to measure thermal conditions caused by a fire and shall, on
command from the C.I.E, send data to the panel representing the analogue or digital level (the temperature) at the
detector.
Heat Detectors shall be intelligent and addressable devices, and shall connect with two wires to one of the C.I.E.
Signalling Line Circuits.
The detector shall operate on a digital protocol to give reduced power consumption, upto 159 detectors and 159
modules may be connected to a single loop.
The detectors shall be fitted with a loop isolation device in-built into the device.
Location of devices on the loop circuit shall with the aid of a Loop Mapping Tool be able to identify it’s location and
address on the loop, allowing for a schematic layout drawing to be produced and printed for use in the O&M manual.
The Detectors shall be ceiling-mount and shall include a twist-lock base.
Group Polling
The detector shall be capable of group polling with improved performance a result.
There shall be no limit to the number of devices that can be grouped together on the same loop.
Implementation of group polling feature shall decrease response time for an alarm to be detected to less than 2.5
seconds, the use of complex cause and effect programming shall not increase the operation of all output devices to
more than 10 seconds.
Test functions
The Detectors shall provide a means of test whereby they will simulate an alarm condition and report that condition
to the C.I.E. Such a test may be initiated at the Detectors itself (by activating a magnetic switch) or initiated remotely
on command from the C.I.E.
Address setting
The Detectors shall provide address setting on the Detector head using decimal switches.
Addressable Detectors that use binary address setting methods, such as a dip switch, code cards or soft addressing
are not acceptable.
The Detectors shall also store an internal identifying code that the control panel shall use to identify the type of
Detector.
Visual indication
The Detectors shall provide dual bi-colour LED’s. Both LED’s enable red, amber and green local status indication
also indicating that the Detector is operational and in regular communication with the C.I.E.
The LED’s shall be configurable from the C.I.E to give visual indication of:
 Device Healthy
 Fire
 Fault – Isolation in use
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Specification:
ID3000
Pearl Digital Fire Detection System



Detector Dirty
Test Mode
Chamber Fault
If required, the flashing mode operation of the Detector LED’s shall be controlled through the system field program.
An output connection shall also be provided in the base to connect an external remote alarm LED.
Sensitivity settings
The Detector sensitivity shall be set through the C.I.E, and shall be adjustable in the field through the field
programming of the system.
Sensitivity may be automatically adjusted to the panel on a time-of-day basis.
These sensitivity levels shall not contravene EN54 part 5.
Additional requirements
Optional relay base and isolator base variants shall be available.
Up to 159, intelligent Detectors may connect to one SLC loop.
The C.I.E software, not the detector, shall make the alarm decision.
The sensitivity of each detector shall be set in the C.I.E.
The system operator shall be able to view the current analogue or digital value of each detector at the C.I.E.
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Specification:
ID3000
Pearl Digital Fire Detection System
Addressable Multi-Criteria SMART2 Detector Specification
Compliance with standards
The Multi-Criteria Detector shall be third party approved to EN54 part 7 & 5, CEA 4021 Type C multi detector.
Functionality
The Detector shall use the photoelectric (light-scattering) principal to measure smoke density in conjunction with dual
thermistors to measure heat and shall, on command from the C.I.E, send data to the panel representing the fire risk.
The Detector shall incorporate a micro processor that combines the signals from the photoelectric smoke chamber,
and the thermistor heat detector elements using algorithms that include a time element to provide an increased
immunity to false alarm whilst maintaining the earliest warning of real fire condition.
Multi-Criteria Detectors shall be intelligent and addressable devices and shall connect with two wires to one of the
C.I.E. Signalling Line Circuit loops.
The detector shall operate on a digital protocol to give reduced power consumption, upto 159 detectors and 159
modules may be connected to a single loop.
The detectors shall be fitted with a loop isolation device in-built into the device.
Location of devices on the loop circuit shall with the aid of a Loop Mapping Tool be able to identify it’s location and
address on the loop, allowing for a schematic layout drawing to be produced and printed for use in the O&M manual.
The Detectors shall be ceiling-mount and shall include a twist-lock base.
Group Polling
The detector shall be capable of group polling with improved performance a result.
There shall be no limit to the number of devices that can be grouped together on the same loop.
Implementation of group polling feature shall decrease response time for an alarm to be detected to less than 2.5
seconds, the use of complex cause and effect programming shall not increase the operation of all output devices to
more than 10 seconds.
Test functions
The Detectors shall provide a means of test whereby they will simulate an alarm condition and report that condition
to the C.I.E.
Such a test may be initiated at the Detector itself (by activating a magnetic switch) or initiated remotely on command
from the control panel.
Address settings
The Detectors shall provide address setting on the Detector head using decimal switches.
Addressable Detectors that use binary address setting methods, such as a dip switch, code cards or soft addressing
are not acceptable.
The Detectors shall also feature an internal identifying code that the C.I.E. shall use to identify the type of Detector.
Visual indication
The Detectors shall provide dual bi-colour LED’s. Both LED’s enable red, amber and green local status indication
also indicating that the Detector is operational and in regular communication with the C.I.E.
The LED’s shall be configurable from the C.I.E to give visual indication of:
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Specification:
ID3000
Pearl Digital Fire Detection System


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


Device Healthy
Fire
Fault – Isolation in use
Detector Dirty
Test Mode
Chamber Fault
If required, the flashing mode operation of the Detector LED’s shall be controlled through the system field program.
An output connection shall also be provided in the base to connect an external remote alarm LED.
Sensitivity settings
The Detector sensitivity shall be set through the C.I.E, and shall be adjustable in the field through the field
programming of the system.
Sensitivity may be automatically adjusted by the panel on a time-of-day basis.
The detector shall be capable of 6 sensitivity settings.
Alarm
Alarm
Alarm
Alarm
Alarm
Alarm
Level 1 - 1%/ft Smoke
Level 2 - 2%/ft Smoke
Level 3 - 3%/ft Smoke
Level 4 - 3%/ft Smoke
Level 5 - 3%/ft Smoke
Level 6 - Class A1R. Heat only alarm.
These sensitivity levels shall not contravene EN54 part 7 unless placed in to thermal (heat) only mode in which case
the unit shall comply with EN54 part 5.
The Detector shall be able to be placed in to a thermal (heat) only mode of operation from command from the C.I.E.
This shall be automatic on a time-of-day basis or by means of a manual operation at the C.I.E.
The Detector shall include two self optimising sensitivity levels that will adjust to the optimum sensitivity based on the
long term environmental conditions of the unit’s surroundings.
Drift compensation
The Detector shall automatically compensate for dust accumulation and other slow environmental changes that may
affect their performance. The use of this function shall not contravene EN54 part 7.
Additional requirements
Optional relay base and isolator base variants shall be available.
Up to 159, intelligent Detectors may connect to one SLC loop.
The C.I.E software, not the detector, shall make the alarm decision.
The sensitivity of each detector shall be set in the C.I.E.
The system operator shall be able to view the current analogue or digital value of each detector at the C.I.E.
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Specification:
ID3000
Pearl Digital Fire Detection System
Addressable Multi-Criteria SMART3 Detector Specification
Compliance with standards
The Multi-Criteria Detector shall be third party approved to EN54 part 7 & 5, CEA 4021, LPS1279.
Functionality
The Detector shall use the photoelectric (light-scattering) principal to measure smoke density in conjunction with dual
thermistors to measure heat and Infra Red detector to detect flame and shall, on command from the C.I.E, send data
to the panel representing the fire risk.
The Detector shall incorporate a micro processor that combines the signals from the photoelectric smoke chamber,
the thermistor heat detector and Infra Red elements using algorithms that include a time element to provide an
increased immunity to false alarm whilst maintaining the earliest warning of real fire condition.
The Infra Red detector shall be capable of measuring Irradiance on the IR detector of between 0 – 450 µW/cm².
Multi-Criteria Detectors shall be intelligent and addressable devices and shall connect with two wires to one of the
C.I.E. Signalling Line Circuit loops.
The detector shall operate on a digital protocol to give reduced power consumption, upto 159 detectors and 159
modules may be connected to a single loop.
The detectors shall be fitted with a loop isolation device in-built into the device.
Location of devices on the loop circuit shall with the aid of a Loop Mapping Tool be able to identify it’s location and
address on the loop, allowing for a schematic layout drawing to be produced and printed for use in the O&M manual.
The Detectors shall be ceiling-mount and shall include a twist-lock base.
Test functions
The Detectors shall provide a means of test whereby they will simulate an alarm condition and report that condition
to the C.I.E.
Such a test may be initiated at the Detector itself (by activating a magnetic switch) or initiated remotely on command
from the control panel.
Address setting
The Detectors shall provide address setting on the Detector head using decimal switches.
Addressable Detectors that use binary address setting methods, such as a dip switch, code cards or soft addressing
are not acceptable.
The Detectors shall also feature an internal identifying code that the C.I.E. shall use to identify the type of Detector.
Visual indication
The Detectors shall provide dual bi-colour LED’s. Both LED’s enable red, amber and green local status indication
also indicating that the Detector is operational and in regular communication with the C.I.E.
The LED’s shall be configurable from the C.I.E to give visual indication of:
 Device Healthy
 Fire
 Fault – Isolation in use
 Detector Dirty
 Test Mode
 Chamber Fault
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Specification:
ID3000
Pearl Digital Fire Detection System
If required, the flashing mode operation of the Detector LED’s shall be controlled through the system field program.
An output connection shall also be provided in the base to connect an external remote alarm LED.
Sensitivity settings
The Detector sensitivity shall be set through the C.I.E, and shall be adjustable in the field through the field
programming of the system.
Sensitivity may be automatically adjusted by the panel on a time-of-day basis.
The detector shall be capable of 6 sensitivity settings.
Alarm
Alarm
Alarm
Alarm
Alarm
Alarm
Level 1 - Low false alarm resistance, high photoelectric only sensitivity
Level 2 - Medium false alarm resistance, medium photoelectric only sensitivity
Level 3 - Standard false alarm resistance, low photoelectric only sensitivity
Level 4 - High false alarm resistance, low photoelectric only sensitivity
Level 5 - Very high false alarm resistance, low photoelectric only sensitivity
Level 6 - Class A1R. Heat only alarm.
Theses sensitivity levels shall not contravene EN54 part 7 unless placed in to thermal (heat) only mode in which
case the unit shall comply with EN54 part 5.
The panel threshold should be chosen according to the specific environment:
 “ULTRA-CLEAN” environments can use Level 1 ALERT
 “CLEAN” environments can use Levels 2-3 ALARM
 “MODERATE” environments can use Level 4 ALARM
 “HARSH” environments can use Level 5-6 ALARM
The Detector shall be able to be placed in to a thermal (heat) only mode of operation from command from the C.I.E.
This shall be automatic on a time-of-day basis or by means of a manual operation at the C.I.E.
Drift compensation
The Detector shall automatically compensate for dust accumulation and other slow environmental changes that may
affect their performance. The use of this function shall not contravene EN54 part 7.
Additional requirements
Optional relay base and isolator base variants shall be available.
Up to 159, intelligent Detectors may connect to one SLC loop.
The C.I.E software, not the detector, shall make the alarm decision.
The sensitivity of each detector shall be set in the C.I.E.
The system operator shall be able to view the current analogue or digital value of each detector at the C.I.E.
www.notifierfiresystems.co.uk
Specification:
ID3000
Pearl Digital Fire Detection System
Addressable Multi-Criteria SMART4 Detector Specification
Compliance with standards
The Multi-Criteria Detector shall be third party approved to EN54 part 7 & 5 CEA 4021, LPS1279.
Functionality
The Detector shall use the photoelectric (light-scattering) principal to measure smoke density in conjunction with dual
thermistors to measure heat, Carbon Monoxide detector, and Infra Red detector to detect flame and shall, on
command from the C.I.E, send data to the panel representing the fire risk.
The Infra Red detector shall be capable of measuring Irradiance on the IR detector of between 0 – 450 µW/cm².
The Carbon Monoxide detector shall be capable of measuring CO levels of between 0 – 500 ppm.
The Detector shall incorporate a micro processor that combines the signals from the photoelectric smoke chamber,
the thermistor heat detector, Carbon Monoxide detector and Infra Red elements using algorithms that include a time
element to provide an increased immunity to false alarm whilst maintaining the earliest warning of real fire condition.
Multi-Criteria Detectors shall be intelligent and addressable devices and shall connect with two wires to one of the
C.I.E. Signalling Line Circuit loops.
The detector shall operate on a digital protocol loop to give reduced power consumption, upto 159 detectors and 159
modules may be connected to a single loop.
Location of devices on the loop circuit shall with the aid of a Loop Mapping Tool be able to identify it’s location and
address on the loop, allowing for a schematic layout drawing to be produced and printed for use in the O&M manual.
The Detectors shall be ceiling-mount and shall include a twist-lock base.
Group Polling
The detector shall be capable of group polling with improved performance a result.
There shall be no limit to the number of devices that can be grouped together on the same loop.
Implementation of group polling feature shall decrease response time for an alarm to be detected to less than 2.5
seconds, the use of complex cause and effect programming shall not increase the operation of all output devices to
more than 10 seconds.
Test functions
The Detectors shall provide a means of test whereby they will simulate an alarm condition and report that condition
to the C.I.E.
Such a test may be initiated at the Detector itself (by activating a magnetic switch) or initiated remotely on command
from the control panel.
Address setting
The Detectors shall provide address setting on the Detector head using decimal switches.
Addressable Detectors that use binary address setting methods, such as a dip switch, code cards or soft addressing
are not acceptable.
The Detectors shall also feature an internal identifying code that the C.I.E. shall use to identify the type of Detector.
Visual indication
The Detectors shall provide dual LED’s. Both LED’s shall flash red under normal conditions, indicating that the
Detector is operational and in regular communication with the C.I.E. Both LED’s may be placed into steady red
illumination by the C.I.E, indicating that an alarm condition has been detected.
If required, the flashing mode operation of the Detector LED’s shall be controlled through the system field program.
An output connection shall also be provided in the base to connect an external remote alarm LED.
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Specification:
ID3000
Pearl Digital Fire Detection System
Sensitivity settings
The Detector sensitivity shall be set through the C.I.E, and shall be adjustable in the field through the field
programming of the system.
Sensitivity may be automatically adjusted by the panel on a time-of-day basis.
The detector will be capable of 6 sensitivity settings
Level 1 – 1%/ft of smoke or greater than 45 ppm of CO. No delays from processed photo output.
Level 2 – 2%/ft of smoke. No delays from processed photo output.
Level 3 – 3%/ft of smoke. No delays from processed photo output.
Level 4 – 3%/ft of smoke. Maximum of 10 minutes delay from processed photo output.
Level 5 – 4%/ft of smoke. Maximum of 10 minutes delay from processed photo output.
Level 6 – Heat only alarm. If the heat level on either thermistor exceeds 60°C or rate of rise limits.
Theses sensitivity levels shall not contravene EN54 part 7 unless placed in to thermal (heat) only mode in which
case the unit shall comply with EN54 part 5.
The detector shall be capable of being configured from the control panel to accept various application dependant
alarm threshold levels to reduce nuisance alarms
The panel threshold should be chosen according to the specific environment:
 “ULTRA-CLEAN” environments can use Level 1 ALERT
 “CLEAN” environments can use Levels 2-3 ALARM
 “MODERATE” environments can use Level 4 ALARM
 “HARSH” environments can use Level 5-6 ALARM
The Detector shall be able to be placed in to a thermal (heat) only mode of operation from command from the C.I.E.
This shall be automatic on a time-of-day basis or by means of a manual operation at the C.I.E.
Drift compensation
The Detector shall automatically compensate for dust accumulation and other slow environmental changes that may
affect their performance. The use of this function shall not contravene EN54 part 7.
Additional requirements
Optional relay base and isolator base variants shall be available.
Up to 159, intelligent Detectors may connect to one SLC loop.
The C.I.E software, not the detector, shall make the alarm decision.
The sensitivity of each detector shall be set in the C.I.E.
The system operator shall be able to view the current analogue or digital value of each detector at the C.I.E.
www.notifierfiresystems.co.uk
Specification:
ID3000
Pearl Digital Fire Detection System
Addressable View Laser High Sensitivity Smoke Detector
Specification
Compliance with standards
The View Laser detector shall be third party approved to EN54 part 7, ANSI/UL 268, CAN/ULC –S529, FM32303250
Functionality
The View Laser detector shall use the Laser Diode and patented smoke sensing chamber, designed to amplify
signals from smoke and shall, on command from the C.I.E, send data to the panel representing the analogue or
digital level of smoke density.
The View Laser detector shall incorporate a micro processor that analyses the signals from the Laser smoke
chamber and using algorithms that include a time element to provide an increased immunity to false alarm whilst
maintaining the earliest warning of real fire condition.
View Laser smoke detectors shall be intelligent and addressable devices and shall connect with two wires to one of
the C.I.E. Signalling Line Circuit loops.
The detector shall operate on a digital protocol loop to give reduced power consumption, upto 159 detectors and 159
modules may be connected to a single loop.
Location of devices on the loop circuit shall with the aid of a Loop Mapping Tool be able to identify it’s location and
address on the loop, allowing for a schematic layout drawing to be produced and printed for use in the O&M manual.
The Detectors shall be ceiling-mount and shall include a twist-lock base.
Co-operative Multi-Sensing
The View Laser detector shall be capable of co-operative multi-sensing using AWACSTm (Advanced Warning
Addressable Combustion Sensing) software with improved performance a result.
There shall be no limit to the number of devices that can be grouped together on the same loop.
Implementation of co-operative multi-sensing feature shall decrease response time for an alarm to be detected by
combining signals from adjacent detectors then statistically combining to reach a common signal.
The use of co-operation multi-sensing shall allow an alarm condition to be indicated before the signal from any one
detector is itself is above the alarm threshold.
The View Laser detector shall use co-operative multi-sensing to reject certain false alarm phenomena, this function
shall work on the basis that if a detector sees a relatively sudden and large change in scattered light, it raises the
suspicion of a false signal. Such a large ‘step’ function is not normally given by true smoke, and could be caused by
a lint or hair particle, or even by an insect.
The View Laser detector must be capable of rather than immediately accepting this signal as a fire, the Laser
detector first checks a physically adjacent Laser detector, and observe this second Laser detector for several
seconds (if a third Laser detector is also adjacent, AWACSTm will observe the third detector). If no significant
analogue signal, even a very low signal, is received from the adjacent Laser detector, AWACSTm will report a fault
condition for the first detector.
The View Laser detector shall be capable of, if the situation changes, because of any oscillation in the first Laser
detector, or any small reading in the second or third Laser detector, AWACSTm will still report an alarm.
Test functions
The View Laser detectors shall provide a means of test whereby they will simulate an alarm condition and report that
condition to the C.I.E.
Such a test may be initiated at the Laser detector itself (by activating a magnetic switch) or initiated remotely on
command from the control panel.
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Specification:
ID3000
Pearl Digital Fire Detection System
Address setting
The View Laser detectors shall provide address setting on the Detector head using decimal switches.
Addressable Detectors that use binary address setting methods, such as a dip switch, code cards or soft addressing
are not acceptable.
The View Laser detectors shall also feature an internal identifying code that the C.I.E. shall use to identify the type of
Detector.
Visual indication
The View Laser detectors shall provide dual LED’s. Both LED’s shall flash red under normal conditions, indicating
that the Detector is operational and in regular communication with the C.I.E. Both LED’s may be placed into steady
red illumination by the C.I.E, indicating that an alarm condition has been detected.
If required, the flashing mode operation of the Detector LED’s shall be controlled through the system field program.
An output connection shall also be provided in the base to connect an external remote alarm LED.
Sensitivity settings
The View Laser detector sensitivity shall be set through the C.I.E, and shall be adjustable in the field through the field
programming of the system.
Sensitivity may be automatically adjusted by the panel on a time-of-day basis; this will force the detector to a
minimum sensitivity setting for the time period, then return to normal sensitivity operation.
The View Laser detector will be capable of 9 sensitivity settings for both Pre-alarm and Alarm, sensitivity settings
from 0.02 %/ft upto 2 %/ft obscuration shall be achievable.
Theses sensitivity levels shall not contravene EN54 part 7.
Drift compensation
The View Laser detector shall automatically compensate for dust accumulation and other slow environmental
changes that may affect their performance. The use of this function shall not contravene EN54 part 7.
Additional requirements
Optional relay base and isolator base variants shall be available.
Up to 159, intelligent Detectors may connect to one SLC loop.
The C.I.E software, not the detector, shall make the alarm decision.
The sensitivity of each detector shall be set in the C.I.E.
The system operator shall be able to view the current analogue or digital value of each detector at the C.I.E.
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Specification:
ID3000
Pearl Digital Fire Detection System
Addressable Loop Powered Beam Detector Specification
Compliance with standards
The Beam Smoke Detector shall be third party approved to EN54 part 12.
Functionality
The Beam Smoke Detector shall consist of a transmitter and receiver unit in the same housing which projects an IR
signal, which is reflected by use of a suitable reflector.
The Beam Smoke Detector shall be intelligent and addressable, and shall connect with two wires to one of the C.I.E.
Signalling Line Circuits. Additional connections for power are not acceptable.
Mounting brackets capable of ceiling or wall mounting shall be available.
The unit shall have automatic drift compensation to adjust for signal deterioration from dust and dirt.
Test functions
A servo test function shall be available whereby activation of a low level test switch shall operate a servo motor that
moves a calibrated test filter in to the path of the beam. A temporary 24 Vdc source is acceptable for this purpose.
The Beam Smoke Detector shall provide a means of test whereby they will simulate an alarm condition and report
that condition to the C.I.E.
Such a test may be initiated at the Detector itself (by activating a low level test switch) or may be activated remotely
on command from the C.I.E.
Address setting
The Beam Smoke Detector shall provide address setting on the Detector head using decimal switches.
Addressable Beam Smoke Detectors that use binary address setting methods, such as a dip switch, code cards or
soft addressing are not acceptable.
The Beam Smoke Detectors shall also feature an internal identifying code that the control panel shall use to identify
the type of Detector.
Visual indication
The Detector shall provide fire, fault and normal LED’s.
The normal LED shall flash green under normal conditions, indicating that the Detector is operational and in regular
communication with the C.I.E.
The flashing mode operation of the Detector LED shall be controlled through the system field program
The fire LED may be placed into steady illumination by the C.I.E, indicating that an alarm condition has been
detected.
An output connection shall also be provided to connect an external remote alarm LED.
The fault LED shall be used to indicate all fault conditions detected by the unit including alignment or drift
compensation faults.
Sensitivity settings
The Detector sensitivity shall be adjustable in the field with four fixed settings of 25%, 30%, 40% and 50%
obscuration.
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Specification:
ID3000
Pearl Digital Fire Detection System
In addition the detector shall also be capable of being set to one of two self-optimising sensitivity settings being 3050% or 40-50% obscuration.
Drift compensation
The Detector may automatically compensate for dust accumulation and other slow environmental changes that may
affect their performance.
The use of this function shall not contravene EN54 part 12.
Additional requirements
In order to aid alignment, a side ‘gun sight’ shall be provided allowing direct visibility of the reflector form the
transmitter / receiver unit.
Optional in built loop isolation shall be included in each unit.
Up to 159, intelligent Detectors may connect to one SLC loop.
The C.I.E software, not the detector, shall make the alarm decision.
The system operator shall be able to view the current analogue or digital value of each detector at the C.I.E.
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Specification:
ID3000
Pearl Digital Fire Detection System
Addressable In-Duct Smoke Detector Housing Specification
Compliance with standards
The smoke detector used in the In-Duct housing shall be third party approved to EN54 part 7.
Functionality
The In-Duct Housing shall use the Duct-tube principle, whereby air is drawn in through a sampling tube and released
back to the ducting by an exhaust tube.
Sample filters shall be provided to minimise the accumulating of dust and dirt.
The air velocity shall have a rating from 2.5m/s to 20 m/s.
A clear Polycarbonate cover shall be used on the In-Duct housing, to provide easy visual inspection of sampling tube
filters.
When sufficient smoke is sensed, an alarm signal is initiated at the C.I.E, and appropriate action taken to change
over air handling systems to help prevent the rapid distribution of toxic smoke and fire gases throughout the areas
served by the duct system.
Test functions
The unit shall have the facility to initiate a remote test from a conveniently located key switch such that the detector
housed within the unit shall operate it’s test whereby they will simulate an alarm condition and report that condition to
the C.I.E.
Smoke detectors.
In-Duct Smoke Detector Housing shall accommodate an intelligent Photoelectric Detector, to provide continuous
analogue or digital monitoring and alarm verification from the panel.
Visual indication
The In-Duct Smoke Detector Housing shall provide remote LED output suitable for connection to a conveniently
located LED position.
The LED output shall pulse under normal conditions, indicating that the detector is operational and in regular
communication with the C.I.E.
The LED output may be placed into steady condition by the C.I.E, indicating that an alarm condition has been
detected.
If required, the flashing mode operation of the LED output shall be controlled through the system field program.
Additional requirements
The In-Duct Housing shall when required provide 1 relay output and 24Vdc input.
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Specification:
ID3000
Pearl Digital Fire Detection System
High Sensitivity Aspirating Smoke Detection Systems
Under this section the contractor shall supply, install and commission a very high sensitivity Aspirating Smoke
Detector (ASD) system in the designated areas identified in the tender document, the ASD will provide detector
sensitivity class selection of A, B, or C as set out in EN54-20 and the FIA Design, Commissioning & Maintenance of
Aspirating Smoke Detector (ASD) Systems C.O.P Feb 2012 and or local C.O.P for fire detection and alarm systems.
The ASD shall incorporate optical laser point detection technologies comprising laser light scattering principles and
inbuilt algorithms to provide immunity to false alarms.
The ASD shall have the capacity to cover an area of 2000m 2 in class C application.
The ASD shall encompass the options of single or dual channel capabilities as follows
1 CHANNEL with 1 SENSOR
1 CHANNEL with 2 SENSORS (common chamber)
2 CHANNEL with 2 SENSORS (seperate chamber)
(2 pipes per channel)
(2 pipes per channel)
(2 pipes per channel)
In the 1 Channel with 2 sensors (common chamber) version, this ASD will provide the configurable options of raising
alarm when only 1 or both sensors reach alarm conditions.
In two channel (separate chamber) version, the channels shall be separate and independent of each other, they shall
have independent inlets, filters, aspirating fans, ultrasonic sensors, smoke detectors, sounder circuits and exhausted
air outlet.
The ASD shall incorporate an integral 24vdc sounder circuit, 1 per channel for remote alarm application.
The ASD shall have sealing ingress rating of IP65, in addition to the IP65 sealing, to provide further ingress
protection the ASD electronics will be mounted in a separate internal chamber that does not require access during
installation and commissioning or routine maintenance of the ASD system.
The sampling pipe network design shall be by the manufacturer or the manufacturer’s approved and trained ESD
and shall be produced via the ASD manufactures EN54-20 single software design, configure, monitoring tool. (e.g.
Pipe IQ LT)
The EN54-20 single software design, configure, monitoring tool shall have Multilanguage selection inclusive of:
English, Italian, Spanish, German, French, Dutch, Portuguese, Russian, Swedish, Norwegian, Finish, Hungarian.
The EN54-20 single software design, configure, monitoring tool shall produce 3D sampling pipe network designs.
The EN54-20 single software design, configure, monitoring tool shall allow for ASD configuration, sampling pipe
network design and ASD monitoring.
The EN54-20 single software design, configure, monitoring tool shall generate the 7 required design documents that
verify the design compliancy with EN54-20 and the local Code of Practice for ASD system application inclusive of :
System design Class, Transport time, Hole sensitivity, Sample air flow rate, Sample point location, Sample air
pressure and sample pipe network configuration.
A single ASD shall not cover more than 2000m 2 or more than 1 fire zone.
The ASD shall be secured via the manufactures mounting bracket.
The installation of the ASD system shall comply with EN54-20 approved equipment inclusive of pipe and pipe fittings
and accessories along with the FIA Design, Commissioning & Maintenance of Aspirating Smoke Detector (ASD)
Systems C.O.P Feb 2012 and or local C.O.P for fire detection and alarm systems.
The following parts of the ASD system shall be clearly labeled;
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Specification:
ID3000
Pearl Digital Fire Detection System
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Sample pipe
Sample points
ASD Unit
Power Supplies and Battery enclosures.
The labelling shall clearly identify the purpose and where appropriate the zone location of the equipment.
Where access is restricted i.e.: lift shaft, atrium a test point shall be installed in an accessible location to facilitate
testing without having to gain access to the protected area.
The commissioning of the installed ASD system must comply with and include performance testing as defined in the
FIA Design, Commissioning & Maintenance of Aspirating Smoke Detector (ASD) Systems C.O.P Feb 2012 and or
local C.O.P for fire detection and alarm systems.
Specification ASD Design Description and Requirements
The ASD shall incorporate optical laser point detection technologies comprising laser light scattering principles
combined with built in advance algorithms to provide immunity to false alarms.
The ASD shall provide 9 selectable sensitivity range settings that will detect smoke particles between 0.06%/m –
6.0%/m.
The ASD shall incorporate inbuilt day and night selection options.
The ASD shall incorporate the programming option of up to 20 holiday days per annum that can be selected to
operate the ASD in the night time settings only.
The ASD shall incorporate an integral separate replaceable inbuilt filter that has a 4 year life span as a second
filtration process to provide immunity to false alarms.
The ASD shall incorporate dual air flow detection consisting of ultrasonic and electronic detection technology
monitoring air flow through the pipe network and the detection chamber.
The ASD shall incorporate an independent 10 segment air flow pendulum graph indicating low or high air flow alarms
at 20% segment intervals as required by EN54-20.
The ASD shall have an integral programmable 10 speed aspirating fan with automatic or manual options.
The ASD shall incorporate 2 alarm levels and 10 pre-alarm levels via a 10 segment bar graph, the 2 alarm levels
shall provide the following: Pre-Alarm, Fire.
The ASD shall have integral 3 x form C 2amp programmable relays with latching options that shall provide the
following alarm signals for external equipment: Fire, Pre-Alarm, Fault.
The ASD shall have an integral built in event log with the capacity to store up to 2,244 events.
The ASD shall incorporate integral facility to create and monitor live or historical trend graphs.
The ASD shall have an integral USB interface port that facilitates for the download / uploading of the system
configuration, pipe network design and monitoring of the ASD via a standard USB cable for type B USB connections.
The ASD shall incorporate password access levels as defined in EN54-20.
The EN54-20 software design, configure, monitoring tool shall have the capacity to import drawings in dxf format.
Design and Application Codes of Practice
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Specification:
ID3000
Pearl Digital Fire Detection System
The fire detection system shall be designed, installed and commissioned in accordance with, and all elements shall
meet the requirements of:
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FIA Design, Commissioning & Maintenance of Aspirating Smoke Detector (ASD) Systems C.O.P Feb 2012.
FIA Design, Commissioning & Maintenance of Aspirating Smoke Detector (ASD) Systems C.O.P Feb 2012.
FIA C.O.P Cold store and freezer application and design.
FIA C.O.P Clean room application design.
FIA C.O.P Heritage building application and design.
FIA C.O.P In- Cabinet detection application and design.
FIA C.O.P Dusty environment areas application and design.
FIA C.O.P Primary sampling for AHU return grills application and design.
BS 5839-1: (2002) + A2:2008 C.O.P Fire detection and fire alarms for buildings.
BS 6266 (2011) C.O.P for fire protection for electronic equipment installations.
EN54-20: 2006 Fire detection and fire alarm systems-Part 20 Aspirating smoke detectors.
CEA 4022 12/1999 Specifications for fire detection and alarm systems-requirements and test methods for
aspirating smoke detectors.
Regulatory Reform (Fire Safety) Order 2006.
VdS 2095: 2010-05 VdS-Richtlinien für automatische Brandmeldeanlagen – Planung und Eunbau
ADPAD R7 (Jul06) Règle d’installation. Détection automatique d’incendie
EN 54-2:1997 / A1: 2006 Fire detection and fire alarm systems - Part 2. Control and indicating equipment
EN 54-4:2001/ A2: 2006 Fire detection and fire alarm systems - Part 4. Power supply equipment
EN 54-7:2001/ A2: 2006 Fire detection and fire alarm systems - Part 7. Smoke detectors – Point detectors
using scattered light, transmitted light or ionization
PrEN 54-27 Fire detection and fire alarm systems - Part 27. Duct smoke detectors (Draft)
The FIA CoP DSD The FIA Code of Practice for Design, Installation, Commissioning & Maintenance of Duct
Smoke Detector (DSD) Systems
Specification ASD Design Approvals
CE
LPCB
VdS
(Construction Product Directive) to EN 54-20 for class A, B and C
(Loss Prevention Certification Board)
(Verband der Sachversicherer e. V) Germany. Applied for
Submittals
Site drawings defining areas covered by the aspirating including the pipe network layout device location and wiring
schematic.
The ASD system design shall be produced and submitted via the ASD manufactures EN54-20 software design,
configure, monitoring tool with documentation verifying the design calculations conformity parameters inclusive of
System design Class, Transport time, Hole sensitivity, Sample air flow rate, Sample point location, Sample air
pressure and Pipe network configuration.
Submit the manufacturer’s product data inclusive of installation and testing instructions and
procedures.
Submit manufacturer’s operation and maintenance instruction manuals inclusive of installation, commissioning and
maintenance procedures.
Submit manufacturer’s equipment warranty.
Communication with C.I.E.
The ASD shall be provided with embedded loop protocol in order to communicate with the CIE directly via the loop.
The C.I.E software, not the detector, shall make the alarm decision.
The system operator shall be able to view the current analogue or digital value of each detector at the C.I.E.
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Specification:
ID3000
Pearl Digital Fire Detection System
Addressable Manual Call Point Specification
Compliance with standards
The Manual Call Points shall be third party approved to EN54 part 11.
Only Manual Call Points of Type A shall be used.
The uses of Type B Manual Call Points are not acceptable.
Functionality
Manual Call Points shall be addressable, and shall connect with two wires to one of the C.I.E. Signalling Line
Circuits.
The Manual Call Points shall, on command from the Control Panel, send data to the panel representing the state of
the manual switch.
All operated Manual Call Points shall have a positive, visual indication of operation by means of an LED indicator.
The Manual Call Points shall operate on a digital protocol to give reduced power consumption, upto 159 detectors
and 159 modules may be connected to a single loop.
The Manual Call Points shall be fitted with a loop isolation device in-built into the device.
Location of devices on the loop circuit shall with the aid of a Loop Mapping Tool be able to identify it’s location and
address on the loop, allowing for a schematic layout drawing to be produced and printed for use in the O&M manual.
Manual Call Points shall be suitable for surface mounting, or semi-flush mounting as shown on the plans.
Manual Call Points shall be constructed of flame retardant plastic with clearly visible operating instructions provided
on the glass. The ‘house burning’ symbol shall appear on the front of the Call Points.
Test functions
Manual Call Points shall use a key operated test without the need to break the glass, and shall be designed so that
after Emergency operation, they cannot be restored to normal use except by the replacement of the glass element.
Address setting
The Manual Call Points shall provide address-setting means using decimal switches.
Addressable Manual Call Points that use binary address setting methods, such as a dip switch code cards or soft
addressing are not acceptable.
Visual indication
The Manual Call Points shall provide bi-colour LED’s. The LED’s enable red, amber and green local status indication
also indicating that the Manual Call Point is operational and in regular communication with the C.I.E.
The LED’s shall be configurable from the C.I.E to give visual indication of:
 Device Healthy
 Fire
 Fault – Isolation in use
 Test Mode
If required, the flashing mode operation of the Call Point LED shall be controlled through the system field program.
Additional requirements
Optional waterproof (IP76) Manual Call Points shall be available.
Up to 159, addressable Manual Call Points may connect to one SLC loop.
www.notifierfiresystems.co.uk
Specification:
ID3000
Pearl Digital Fire Detection System
Addressable Control Module Specification
Compliance with standards
The Control Modules shall be third party certified to CEA GEI 1-082 and CEA GEI 1-084.
General
Addressable Control Modules shall be provided to supervise and control the operation of one conventional indicating
circuit of compatible, 24 Vdc powered, polarised audio/visual indicating appliances.
For fan shutdown and other auxiliary control functions, the control module may be set to operate as a Volt Free relay
contact and shall connect to one of the C.I.E. Signalling Line Circuit Loops.
Addressable Control Modules shall operate on a digital protocol to give reduced power consumption, upto 159
detectors and 159 modules may be connected to a single loop.
Location of devices on the loop circuit shall with the aid of a Loop Mapping Tool be able to identify it’s location and
address on the loop, allowing for a schematic layout drawing to be produced and printed for use in the O&M manual.
The Control Modules shall mount in a purpose made surface mount box, panel mount clip for mounting in to other
equipment housings or on a DIN rail mounting clip.
The Control Modules shall include loop isolation in each unit, which shall be installer selectable as required.
Functionality
The indicating circuit shall be capable of powering a maximum of 1.5 Amps of Resistive audio visual signalling
equipment, or as a Volt Free Contact (Form C) Relay shall be capable of switching 2 Amps @ 30Vdc.
The relay coil shall be magnetically latched to reduce wiring connection requirements, and to ensure that 100% of all
auxiliary relay or indicating circuits may be energised at the same time on the same Signalling Line Circuit Loop.
Audio visual power shall be provided by a separate supervised power connection from the main C.I.E. or from a
supervised remote power supply approved to EN54 Pt2.
Control Modules shall be loop powered and addressable devices, and shall connect with two wires to one of the
C.I.E. Signalling Line Circuits.
Address setting
The Control Modules shall provide address setting on the module using decimal switches.
Addressable Modules that use binary address setting methods, such as a dip switch, code cards or soft addressing
are not acceptable.
The modules shall also feature an internal identifying code that the C.I.E. shall use to identify the type of module.
Address switches shall be viewed in two plains such that the address is visible when mounted in a surface mount
box or DIN / panel mounted.
Visual indication
The Control Module shall provide bi-colour LED’s. The LED’s enable red, amber and green local status indication
also indicating that the module is operational and in regular communication with the C.I.E.
The LED’s shall be configurable from the C.I.E to give visual indication of:
 Device Healthy
 Fire
 Fault – Isolation in use
 Test Mode
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Specification:
ID3000
Pearl Digital Fire Detection System
If required, the flashing mode operation of the Control Module LED shall be controlled through the system field
program.
Additional requirements
Up to 159, addressable Control Modules may connect to one Signalling Line Circuit Loop.
www.notifierfiresystems.co.uk
Specification:
ID3000
Pearl Digital Fire Detection System
Addressable Radio Interface Translator Module Specification
Compliance with standards
Radio Interface Modules shall be designed to meet the requirements of EN54 Part 25 & BS5839 Part 1.
General
Radio Interface Modules shall be provided to connect one zone of radio detectors to one of the C.I.E. Signalling Line
Circuit (SLC) Loops.
The Radio Interface Modules shall mount in a purpose made surface mount box with antenna positions in two
planes.
Functionality
The Radio Interface Modules shall use 868MHz to communicate with up to 32 radio devices.
The Radio Interface Modules shall be loop powered and addressable devices, and shall connect with two wires to
one of the C.I.E. Signalling Line Circuits.
The radio devices shall pass all analogue or digital device data via the Radio Interface Modules to the C.I.E.
Address setting
The Radio Interface Modules shall provide address setting on the Module using the on board LCD.
Addressable Modules that use binary address setting methods, such as a dip switch, code cards or soft addressing
are not acceptable.
The modules shall also feature an internal identifying code that the control panel shall use to identify the type of
Module.
Visual indication
The Radio Interface Modules shall provide 3 visible LED indicators.
The LED’s shall give visual indication of:
 Device Healthy
 Module Fault
 Low Power Source
The Radio Interface Modules shall provide an LCD for programming and additional information for the connected
radio devices.
Test functions
The Radio Interface Modules shall pass test requests invisibly to the radio devices which, in turn, will respond in the
same way as other loop powered devices.
Additional requirements
Up to 6, addressable Radio Interface Modules may connect to one SLC loop.
The C.I.E software, not the Radio Interface Modules, shall make the alarm/normal decision, thereby allowing the
system operator to view the status of each radio device.
www.notifierfiresystems.co.uk
Specification:
ID3000
Pearl Digital Fire Detection System
Addressable Monitor Module Specification
Compliance with standards
The Monitor modules shall be third party certified to CEA GEI 1-082 and CEA GEI 1-084.
General
Addressable Monitor Modules shall be provided to connect one supervised area of conventional Alarm Initiating
Devices (any N.O. volt free contact device) to one of the C.I.E. Signalling Line Circuit Loops.
Addressable Monitor Modules shall operate on a digital protocol to give reduced power consumption, upto 159
detectors and 159 modules may be connected to a single loop.
Location of devices on the loop circuit shall with the aid of a Loop Mapping Tool be able to identify it’s location and
address on the loop, allowing for a schematic layout drawing to be produced and printed for use in the O&M manual.
The Monitor Modules shall mount in a purpose made surface mount box, panel mount clip for mounting in to other
equipment housings or on a DIN rail mounting clip.
The Control Modules shall include loop isolation in each unit, which shall be installer selectable as required.
Functionality
The Monitor Module shall use an electronic supervised input to monitor the conditions of flow switches, sprinkler
valves, fire dampers etc.
Monitor Modules shall be loop powered and addressable devices, and shall connect with two wires to one of the
C.I.E. Signalling Line Circuits.
Address setting
The Monitor Modules shall provide address setting on the Module using decimal switches.
Addressable Modules that use binary address setting methods, such as a dip switch, code cards or soft addressing
are not acceptable.
The modules shall also feature an internal identifying code that the C.I.E. shall use to identify the type of Module.
Address switches shall be viewed in two plains such that the address is visible when mounted in a surface mount
box or DIN / panel mounted.
Visual indication
The Monitor Module shall provide bi-colour LED’s. The LED’s enable red, amber and green local status indication
also indicating that the module is operational and in regular communication with the C.I.E.
The LED’s shall be configurable from the C.I.E to give visual indication of:
 Device Healthy
 Fire
 Fault – Isolation in use
 Test Mode
If required, the flashing mode operation of the Monitor Module LED shall be controlled through the system field
program.
Additional requirements
Up to 159, addressable Monitor Modules may connect to one Signalling Line Circuit Loop.
The C.I.E software, not the Monitor Module, shall make the alarm/normal decision, thereby allowing the system
operator to view the status of each Monitor Module.
www.notifierfiresystems.co.uk
Specification:
ID3000
Pearl Digital Fire Detection System
Addressable Dual Monitor Module Specification
Compliance with standards
The Dual Monitor Modules shall be third party certified to CEA GEI 1-082 and CEA GEI 1-084.
General
Addressable Dual Monitor Modules shall be provided to connect two supervised areas of conventional Alarm
Initiating Devices (any N.O. volt free contact device) to one of the C.I.E. Signalling Line Circuit Loops.
Addressable Monitor Modules shall operate on a digital protocol to give reduced power consumption, up to 159
detectors and 159 modules may be connected to a single loop.
Location of devices on the loop circuit shall with the aid of a Loop Mapping Tool be able to identify its location and
address on the loop, allowing for a schematic layout drawing to be produced and printed for use in the O&M manual.
The Dual Monitor Module shall mount in a purpose made surface mount box, panel mount clip for mounting in to
other equipment housings or on a DIN rail mounting clip.
The Dual Monitor Module shall include loop isolation in each unit, which shall be installer selectable as required.
Functionality
The Dual Monitor Module shall use two electronic supervised inputs to monitor the conditions of flow switches,
sprinkler valves, fire dampers etc.
Dual Monitor Modules shall be loop powered and addressable devices, and shall connect with two wires to one of
the C.I.E. Signalling Line Circuits.
Address setting
The Dual Monitor Modules shall utilise two module addresses with the start address being set as above and the
second address being automatically assigned at the start address plus one.
Addressable Modules that use binary address setting methods, such as a dip switch, code cards or soft addressing
are not acceptable.
The modules shall also feature an internal identifying code that the C.I.E. shall use to identify the type of Module.
Address switches shall be viewed in two plains such that the address is visible when mounted in a surface mount
box or DIN / panel mounted.
Visual indication
The Dual Monitor Module shall provide two bi-colour LED’s to show the status of each module address. The LED’s
enable red, amber and green local status indication also indicating that the module is operational and in regular
communication with the C.I.E.
The LED’s shall be configurable from the C.I.E to give visual indication of:
 Device Healthy
 Fire
 Fault – Isolation in use
 Test Mode
If required, the flashing mode operation of the Dual Monitor Module LED shall be controlled through the system field
program.
Additional requirements
Up to 159, addressable Modules (79 Dual Monitor Modules) may connect to one Signalling Line Circuit Loop.
The C.I.E software, not the Monitor Module, shall make the alarm/normal decision, thereby allowing the system
operator to view the status of each Monitor Module.
www.notifierfiresystems.co.uk
Specification:
ID3000
Pearl Digital Fire Detection System
Addressable Dual Monitor and Single Relay Output Module
Specification
Compliance with standards
The Dual Monitor and Single Relay Output Modules shall be third party certified to CEA GEI 1-082 and CEA GEI 1084.
General
Addressable Dual Monitor and Single Relay Output Modules shall be provided to connect two supervised areas of
conventional Alarm Initiating Devices (any N.O. volt free contact device).
In addition the Dual Monitor and Single Relay Output Modules shall provide a single change over contact output and
shall connect to one of the C.I.E. Signalling Line Circuit Loops.
Addressable Monitor Modules shall operate on a digital protocol to give reduced power consumption, upto 159
detectors and 159 modules may be connected to a single loop.
Location of devices on the loop circuit shall with the aid of a Loop Mapping Tool be able to identify it’s location and
address on the loop, allowing for a schematic layout drawing to be produced and printed for use in the O&M manual.
The Dual Monitor and Single Relay Output Modules shall mount in a purpose made surface mount box, panel mount
clip for mounting in to other equipment housings or on a DIN rail mounting clip.
The Dual Monitor and Single Relay Output Modules shall include loop isolation in each unit, which shall be installer
selectable as required.
Functionality
The Dual Monitor and Single Relay Output Modules shall use two electronic supervised inputs to monitor the
conditions of flow switches, sprinkler valves, fire dampers etc.
The Dual Monitor and Single Relay Output Modules shall provide a single addressable change over relay rated at 2A
@ 30Vdc.
Dual Monitor and Single Relay Output Modules shall be loop powered and addressable devices, and shall connect
with two wires to one of the C.I.E. Signalling Line Circuits.
Address setting
The Dual Monitor and Single Relay Output Modules shall utilise three module addresses with the start address being
set as above and the second and third addresses being automatically assigned at the start address plus one and two
respectively.
Addressable Modules that use binary address setting methods, such as a dip switch, code cards or soft addressing
are not acceptable.
The modules shall also feature an internal identifying code that the C.I.E. shall use to identify the type of Module.
Address switches shall be viewed in two plains such that the address is visible when mounted in a surface mount
box or DIN / panel mounted.
Visual indication
The Dual Monitor Module shall provide three bi-colour LED’s to show the status of each module address. The LED’s
enable red, amber and green local status indication also indicating that the module is operational and in regular
communication with the C.I.E.
www.notifierfiresystems.co.uk
Specification:
ID3000
Pearl Digital Fire Detection System
The LED’s shall be configurable from the C.I.E to give visual indication of:
 Device Healthy
 Fire
 Fault – Isolation in use
 Test Mode
If required, the flashing mode operation of the Dual Monitor Module LED shall be controlled through the system field
program.
Additional requirements
Up to 159, addressable Modules (53 Dual Monitor and Single Relay Output Modules) may connect to one Signalling
Line Circuit Loop.
The C.I.E software, not the Monitor Module, shall make the alarm/normal decision, thereby allowing the system
operator to view the status of each Monitor Module.
www.notifierfiresystems.co.uk
Specification:
ID3000
Pearl Digital Fire Detection System
BS7273-4 Door Release System Specification
Compliance with standards
The BS7273 part 4 2007 is the code of practice governing door holders and door release mechanisms. The door
release system shall offer a compliant solution to meet the requirements of section 5 of BS7273-4 Category A
installations by ensuring the fail safe operation of actuation of release mechanisms in conjunction with the existing
output module and wider fire system.
General
The system shall comprise loop addressable output module, failsafe measure and enclosure.
The door release system shall be compatible with 12-24VDC door hold systems and include a volt free contact.
The system shall be capable of driving a third party relay to switch mains giving the added benefit of separating the
fire system from direct mains connection.
The system shall provide a reduced activation time test mode.
The system shall provide visual indication of loop power status, loop communication and activation status via a bicolour LED.
The system shall mount in a purpose made surface mount box, panel mount clip for mounting in to other equipment
housings or on a DIN rail mounting clip.
Loop communication failure and/or power failure shall be able to be simulated to demonstrate the functionality of the
module via the removal of an integral jumper.
Functionality
The door release system shall offer a compliant solution to meet the requirements of section 5 of BS7273-4 Category
A installations by ensuring the fail safe operation of actuation of release mechanisms in conjunction with the existing
output module and wider fire system.
Address setting
The system shall utilise one module address.
Addressable Modules that use binary address setting methods, such as a dip switch, code cards or soft addressing
are not acceptable.
Address switches shall be viewed in two plains such that the address is visible when mounted in a surface mount
box or DIN / panel mounted.
Visual indication
The system shall provide three bi-colour LED’s to show the status of each module address. The LED’s enable red,
amber and green local status indication also indicating that the module is operational and in regular communication
with the C.I.E.
The LED’s shall be configurable from the C.I.E to give visual indication of:
 Device Healthy
 Fire
 Fault – Isolation in use
 Test Mode
Additional requirements
Up to 159, addressable Modules may connect to one Signalling Line Circuit Loop.
www.notifierfiresystems.co.uk
Specification:
ID3000
Pearl Digital Fire Detection System
Addressable Loop Powered Audible Visual Devices Specification
Compliance with standards
Intelligent Addressable Sounders shall be third party approved to EN54 part 3 and shall be the primary means of
evacuation.
Visual Alarm Devices (VADs) complying to EN54-23 are only required if they are considered to be the primary
source of evacuation to building occupants as defined within the building’s fire risk assessment.
Visual Indicating Devices (VIDs) can provide useful supplementary indication that may increase the awareness of
people to an event.
Functionality
Six basic product groups shall be available consisting of:
 Wall mounting sounders;
 Wall mounting sounders & combined Visual Alarm Device;
 Wall or ceiling mounting Visual Alarm Devices;
 Base sounders for use beneath detectors;
 Base sounders & combined supplementary indicator for use beneath detectors;
Intelligent Addressable Audible Visual Devices shall operate on a digital protocol to give reduced power
consumption, upto 159 detectors and 159 modules may be connected to a single loop.
Intelligent Addressable Audible Visual Devices shall be fitted with a loop isolation device in-built into the device.
Location of devices on the loop circuit shall with the aid of a Loop Mapping Tool be able to identify it’s location and
address on the loop, allowing for a schematic layout drawing to be produced and printed for use in the O&M manual.
The warning devices shall fit to a common mounting plate incorporating a twist-lock bayonet fitting.
Warning devices shall connect with two wires to one of the C.I.E. Signalling Line Circuit loops and derive the control
and power from this single connection.
Address setting
The warning devices shall provide address setting on the device using decimal switches.
Addressable warning devices that use binary address setting methods, such as a dip switch, code cards or soft
addressing are not acceptable.
The warning device shall also feature an internal identifying code that the C.I.E. shall use to identify the type of
device.
Tone and volume settings
The audible warning devices shall have 32 different tone settings, which shall be site configurable.
The audible warning device shall have up to 8 distinguishable tone settings, which can be operated via C.I.E
programming or remote input i.e. Class Change, Bomb Alert.
The audible warning devices shall have three volume settings, which shall be site configurable, from the C.I.E. or at
the device.
Additional requirements
Up to 159, warning devices may connect to one SLC loop.
The wall-mounting units shall have a waterproof mounting option for external fitting.
Base sounder and combined base sounder / supplementary indicators shall not require an additional detector base.
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Specification:
ID3000
Pearl Digital Fire Detection System
Appendix 1 - Type B Dependency
Functionality
On receipt of an unconfirmed alarm from a zone, the evacuation devices only in that zone are activated. If the alarm
is confirmed by a second signal (from another device sensor or call point) or a different sensor within a multi-criteria
detector the system proceeds to the relevant evacuation strategy. If a confirmation signal is not given the system may
reset automatically without any need for manual intervention
Example:Utilising Type B Dependency
(Two stage alarm from a single multi-criteria device)
A particularly challenging example of the use of dependencies is to integrate the requirements of a building which
contains both shared areas and individual sleeping accommodation such as warden assisted flats. Within this example
the shared areas require a fire system compliant with BS5839 pt 1 whilst the individual flats require systems compliant
with BS5839 pt 6.
Traditionally, these sorts of installation have been provided with individual systems for the flats linked to a landlord
system for the shared area. Type B dependency allows a zone to be defined for each individual flat that acts as if it
were a separate system. On receipt of an unconfirmed fire signal from a flat only the local alarm within the flat is given.
If the alarm is confirmed by a second signal the system proceeds to the relevant evacuation stage (general alarm or
part of staged evacuation). Alternatively, if the confirmation signal is not given the system may reset automatically
without attendance by the warden.
In this case a confirmation signal may be given by; a second device in the same zone, a second signal from the same
device (either after a certain time or from a different sensor within a multi-criteria detector), or a manual confirmation
e.g. from a call point.
This scenario enables a single integrated system to be used whilst avoiding the possibility of unnecessary disruption
to other residents due to nuisance alarm signals (such as burning toast). It also eliminates the need for the system to
be manually reset once the nuisance smoke has cleared.
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