Brooks Firetracker FT420 User manual

TECHNICAL MANUAL
Issue 2.4
FT420
Conventional Fire Alarm System
MA425 Oct 2018

Technical Manual
FT420 –Iss 2.4
2
DOCUMENTHISTORY
Manual
Description
Software
Written
By
Checked
By
Rev No.
Date
Rev. No.
Date
Draft 1
30/8/07
ChangeLED indicatingpatterns.
Fillinpower consumptiondata.
Fillindimensionandweight.
Attachthemountingdetails.
Changeconfigurationdata.
V0 –
V1.4
W.Z
A.S
Draft 2
1/10/08
Minor changes
W.Z
A.S
Draft 3
12/4/10
ChangePCBrevisions for EMCUpdatemanual, addcomponents
list and circuit schematics for CSIRO
W.Z
A.S
1
15/4/10
RemoveCSIRO info and update
V1.5
M.R
A.S
1.1
12/5/10
UpdateManual for the1st productionrun
V1.5
M.R
A.S
1.2
24/5/10
Removefeatures under development and update software
versionto V1.6. The LEDtestin V1.6 is performed by pressing for
5 secondsthedisable external strobebuttonrather than pressing
silence buzzer and alarm devices buttons simultaneously in V1.5.
V1.6
C.A
A.S
1.3
17/8/10
Addmorefeatures;
8 RelayExpansion Board
4 Supervised OutputsExpansionBoard
Zone alarm priority / non-DBA
Zone post alarm delay
Zone alarm non-latching
V1.7
C.A
A.S
2.0
15/7/11
Review manual and updatepreviousrevisionsto softwareV2.1.0.
Removed PA volume control andHigh/Low Priority ZoneAlarm.
Add 3minutesdelay between alert & evac and fix upsoftware
issues in SUB886
V2.1.0
25/7/11
E.T. /
C.A.
A.S.
AddGaseousextinguishing system
Fixup20zone system withOWS
V2.2.1
18/4/12
W.Z.
A.S.
2.3
28/8/12
Add new output tabin PC S/W
Combine Alarm Post DelayandQuiet Alarm
Extend Gas Control
New configuration fileformat and rectify someissues
Fix upPC config. Software(V2.3.1)
V2.3.0/
V2.3.1
28/8/12
21/9/12
W.Z. /
A.S.
A.S.
Add onehour option for Delayed mains fail
Rectify zonedisablement function
Updatemanual to includeFT420-AL2000 config. SoftwareV1.1
V2.3.2/
V1.1
A2000
11/3/14
A.S./
W.Z.
A.S.
2.3.3
10/6/16
Add latching PSU LED(PC Config. Still V2.3.2)
UpdateManual to remove Alarm 2000section
UpdatedrawingF714to Iss 6and F770 toIss 3 &rectify figure 20
V2.3.3
10/6/16
A.S.
A.S.
2.4
26/10/19
Change logoandminor update
V2.3.3
10/6/16
A.S.
A.S.

Technical Manual
FT420 –Iss 2.4
3
Table of Contents
1INTRODUCTION.....................................................................................................................................7
1.1 Important Information........................................................................................................................7
1.2 Overview...........................................................................................................................................7
1.3 Features...........................................................................................................................................8
1.3.1 ReliableFire Protection andBeyond.............................................................................................8
1.3.2 Simple and ClearUser Interface...................................................................................................8
1.3.3 Optional Configuration of ZoneInputs and Controls.....................................................................8
1.3.4 Optional Relay Boards and Speaker Zoning.................................................................................9
1.3.5 Simple Configurations...................................................................................................................9
1.3.6 Brooks Alertcom............................................................................................................................9
1.3.7 Gaseous Extinguishing System....................................................................................................9
1.4 Specifications..................................................................................................................................10
2HARDWARE..........................................................................................................................................11
2.1 General...........................................................................................................................................11
2.1.1 System Architecture....................................................................................................................11
2.1.2 System Modules.........................................................................................................................12
2.1.3 System Expansion Limitations....................................................................................................15
2.1.4 Control Expansion Bus...............................................................................................................15
2.1.5 Display Driver Board Expansion Buses ......................................................................................16
2.1.6 Jumper Settings..........................................................................................................................16
2.2 Main Control BoardSUB880..........................................................................................................17
2.3 Main Display Driver BoardSUB881................................................................................................20
2.4 Battery Charger Current Limiting Board SUB945...........................................................................22
2.5 Optional 8 Zone Expansion BoardSUB883...................................................................................23
2.6 Optional Relay Expansion BoardSUB885.....................................................................................25
2.7 Optional SupervisedOutputExpansion BoardSUB886.................................................................27
2.8 Optional OWS Plug-In ModuleSUB887.........................................................................................29
2.9 Optional Expansion Display boards................................................................................................30
2.9.1 Generic display driver board SUB891.........................................................................................30
2.9.2 OWS Display BoardSUB888.....................................................................................................31
2.9.3 Other optional Front Display boards...........................................................................................31
2.10 Fuses..............................................................................................................................................32
3FUNCTIONS AND CONNECTION DIAGRAMS...................................................................................33
3.1 CIE Front Control Display Panel.....................................................................................................33
3.2 Typical FT420 CIE..........................................................................................................................34
3.3 CIE Indications................................................................................................................................35
3.3.1 LED Indicating Patterns..............................................................................................................35
3.3.2 Fault LEDindications..................................................................................................................35
3.3.3 Buzzer Indicating Patterns..........................................................................................................36
3.4 CIE SignallingPatterns...................................................................................................................36
3.4.1 Optional OWSmessages...........................................................................................................36
3.4.2 Signalling patterns.......................................................................................................................37
3.5 Line Monitoring...............................................................................................................................39
3.5.1 Fault Delay..................................................................................................................................39
3.5.2 EOL (End-Of-Line) Resistors......................................................................................................39
3.6 Zone Inputs.....................................................................................................................................40
3.6.1 Zone Input Specifications............................................................................................................40

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FT420 –Iss 2.4
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3.6.2 Compatible actuating devices.....................................................................................................40
3.6.3 Zone Input Connection................................................................................................................40
3.7 Control Outputs...............................................................................................................................41
3.7.1 Control Output Specifications......................................................................................................41
3.7.2 Dry Contacts Relay andVoltageOutputs...................................................................................41
3.7.3 Alarm Devices –SupervisedOutput...........................................................................................42
3.7.3.1 Supervised Speaker Output................................................................................................42
3.7.3.2 Supervised 24VDC Outputs................................................................................................43
3.7.4 Supervised Ancillary Control Output ACF...................................................................................43
3.7.5 Supervised External Strobe........................................................................................................43
3.7.6 MDH outputs...............................................................................................................................44
3.8 Internal Connections.......................................................................................................................44
3.8.1 Panel Mounted MCP...................................................................................................................44
3.8.2 Optional External Buzzer............................................................................................................44
3.9 Optional FT420OWS.....................................................................................................................45
3.9.1 Audio Amplifiers..........................................................................................................................46
3.9.2 60/120 Watt Amplifier Module.....................................................................................................46
3.9.3 250 Watt Amplifier Module..........................................................................................................47
3.9.4 OWSvolume adjustment............................................................................................................48
3.9.5 Auxiliary Audio Inputs..................................................................................................................49
3.9.6 OWS Dual Strobe Output ...........................................................................................................49
3.10 GaseousExtinguishing Control Module..........................................................................................50
3.10.1 Overview.....................................................................................................................................50
3.10.2 DISPLAY Board & Decal ............................................................................................................51
3.10.3 Control Board (SUB928).............................................................................................................51
3.10.4 CIE Interface Board SUB943......................................................................................................52
3.10.5 Inputsfrom FT420 to CIE InterfaceBoard SUB943....................................................................52
3.10.6 Outputsfrom CIE Interface Board (SUB943) toFT420...............................................................52
3.11 AS1668 Fan Control Module..........................................................................................................53
3.12 Power Supply Management...........................................................................................................54
3.12.1 Maximum Current Capacity........................................................................................................54
3.12.2 Mains power supply....................................................................................................................54
3.12.3 Power supply monitoring.............................................................................................................54
3.12.4 Power Supply Calculations.........................................................................................................55
3.12.5 System Current Consumption.....................................................................................................55
3.13 Cable Typesand Calculations........................................................................................................58
3.13.1 General Requirements................................................................................................................58
3.13.2 Real Cable Resistance...............................................................................................................58
3.13.3 Zone, AudioInput andMonitored Switch Input...........................................................................58
3.13.4 Output Devices...........................................................................................................................58
3.13.5 Requirements and Reference cabletypes..................................................................................59
4CONFIGURATION.................................................................................................................................60
4.1 Introduction.....................................................................................................................................60
4.2 ConfigurationTool Installation........................................................................................................60
4.2.1 List of Equipment Required.........................................................................................................60
4.2.2 Installing ConfigurationTool........................................................................................................61
4.2.3 Saving, Recalling and DownloadingSSD files............................................................................61
4.2.4 Configuration Setup....................................................................................................................62
4.2.5 Logic number..............................................................................................................................62
4.3 FT420System Options...................................................................................................................63
4.3.1 Zone Expansion..........................................................................................................................63

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4.3.2 OWS Expansion.........................................................................................................................63
4.3.3 Supervised Outputs Expansion...................................................................................................64
4.3.4 Dry-Contact Relay Expansion.....................................................................................................64
4.3.5 Alertcom......................................................................................................................................65
4.3.6 Gaseous Control.........................................................................................................................66
4.3.7 Mains Failure Detection..............................................................................................................66
4.4 Zone Configuration.........................................................................................................................66
4.4.1 Alarm Verification Facility (AVF)..................................................................................................67
4.4.2 Alarm Post Delay Facility Option.................................................................................................68
4.4.3 Alarm Non-latching (Auto-Reset) Option.....................................................................................68
4.4.4 Alarm on Short CircuitOption.....................................................................................................68
4.4.5 Alarm Non-DBA..........................................................................................................................68
5INSTALLATION AND COMMISSIONING............................................................................................69
5.1 Installation.......................................................................................................................................69
5.1.1 AC Mains Supply and Battery Check..........................................................................................69
5.1.2 Visual Inspection andFieldWiringTermination..........................................................................70
5.1.3 Connection of FieldWiring..........................................................................................................70
6APPENDICES........................................................................................................................................71
6.1 Appendix A Pre-Commissioning Record......................................................................................71
6.2 Appendix B Equipment Record......................................................................................................74
6.3 FT420BlockWiring Diagram..........................................................................................................76
FIGURELIST
Figure1 System Architecture.........................................................................................................................11
Figure2 Main Control Board Layout(SUB880).............................................................................................17
Figure3 Main Display Diver Board Layout (SUB881)....................................................................................20
Figure 4 Battery Charger Current Limiting board layout (SUB945)................................................................22
Figure5Zone Expansion Board Layout........................................................................................................23
Figure6 Relay ExpansionBoard Layout.......................................................................................................25
Figure7 SupervisedOutput ExpansionBoard Layout (SUB886)..................................................................27
Figure8OWSPlug-in Module Layout...........................................................................................................29
Figure 9 Generic Display Driver Board Layout (SUB891)..............................................................................30
Figure10 OWSFront DisplayBoard Layout..................................................................................................31
Figure 11 Typical CIE Front Display boards Layout.......................................................................................33
Figure12 Typical 8-ZoneFT420 withOWS in asmall enclosure..................................................................34
Figure13 Typical 8Zone FT420 CIE with OWSina smallenclosure (door opened)....................................34
Figure14 Typical ZoneInput Circuit..............................................................................................................40
Figure15 Typical SpeakerOutput Circuit......................................................................................................42
Figure16 SpeakerZone Splitter Connection Diagram using SUB886..........................................................42
Figure17 Typical Sounder or RelayControl Connection Diagram................................................................43
Figure18 Typical ACF Connection Diagram.................................................................................................43
Figure19 Typical External Strobe ConnectionDiagram................................................................................43
Figure20 Typical MDHOutput Circuit...........................................................................................................44
Figure 21 MCP Circuit....................................................................................................................................44
Figure22 External BuzzerCircuit..................................................................................................................44
Figure23 Class-D 60W / 120W AudioAmplifier BoardLayout......................................................................46
Figure24 60W / 120W Audio Amplifier photos..............................................................................................46
Figure25 Class-D 250W AudioAmplifier BoardLayout................................................................................47
Figure 26 OWS Auxiliary Input Circuit............................................................................................................49
Figure27 Typical OWS Dual Strobe Control Circuit......................................................................................49
Figure28 Gas Extinguishing Display Layout.................................................................................................51
Figure 29 Assembled Control & Interface Boards..........................................................................................52
Figure30 AS1668module.............................................................................................................................53
Figure31 FT420-PC CommunicationsAdaptor Box with Cables..................................................................60
Figure 32 COM Port Selection.......................................................................................................................61

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FT420 –Iss 2.4
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Figure33 FT420 System Configuration Options............................................................................................63
Figure34 Supervised Relay Outputs.............................................................................................................64
Figure 35 Dry contact relay outputs...............................................................................................................65
Figure36 Alertcom Tone ConfigurableOutputs............................................................................................65
Figure37 ZoneConfiguration Options...........................................................................................................67
Figure 38 Power Supply Trimpot Location....................................................................................................70
Figure39 FT420 withAll Options...................................................................................................................76
Figure40 FT420 withGas KitInterface.........................................................................................................77
TABLELIST
Table 1 General Specifications......................................................................................................................10
Table 2 System Module Summary.................................................................................................................12
Table 3 Modules and Features......................................................................................................................13
Table 4 Expansion Limitation.........................................................................................................................15
Table 5 Main Control Board JumperSettings................................................................................................17
Table 6Main Control Board Connections......................................................................................................18
Table 7 Main Display Driver Board Jumper Settings.....................................................................................20
Table 8 Main Display Driver Board Connections...........................................................................................21
Table 9 BatteryCharger CurrentLimiting Connection...................................................................................22
Table 10Battery Capacity / Max Charging Current.......................................................................................22
Table 11ZoneExpansion Board Jumper Settings........................................................................................23
Table 12ZoneExpansion Board Connections..............................................................................................24
Table 13RelayExpansion BoardJumperSettings.......................................................................................25
Table 14RelayExpansion BoardConnections.............................................................................................26
Table 15SupervisedOutput Expansion BoardJumper Settings...................................................................27
Table 16SupervisedOutput Expansion BoardConnections.........................................................................28
Table 17OWS Plug-inModule Connections.................................................................................................29
Table 18 Generic Display Driver Board Jumper Settings...............................................................................30
Table 19 Generic Display Driver Board Connectors......................................................................................30
Table 20 OWS Front Display Board Connections..........................................................................................31
Table 21Fuse Specifications.........................................................................................................................32
Table 22LEDIndicating Patterns..................................................................................................................35
Table 23Fault LEDIndications......................................................................................................................35
Table 24 Buzzer Indicating Patterns..............................................................................................................36
Table 25OWS Tone andVoice Messages ...................................................................................................36
Table 26CIESignalling Patterns...................................................................................................................37
Table 27End of Line Resistor Specifications.................................................................................................39
Table 28ZoneInput Circuit Specifications.....................................................................................................40
Table 29CompatibleActuating Devices........................................................................................................40
Table 30Control OutputSpecifications..........................................................................................................41
Table 31Connection of theAudioAmplifier 60W, 120W and 250W .............................................................48
Table 32OWS Audio VolumeAdjustment.....................................................................................................48
Table 33GasFront Status LEDIndication and flash Pattern.........................................................................51
Table 34 Mains Power Supply Requirement .................................................................................................54
Table 35Power SupplyMonitoring Characteristics.......................................................................................54
Table 36Current Consumption of Function Modules....................................................................................55
Table 37Current Consumption of Typical CIEConfigurations ......................................................................56
Table 38 Battery calculation example............................................................................................................56
Table 39Cable Resistance of the Reference Cables....................................................................................58
Table 40 CableTypes for Different Connections...........................................................................................59
Table 41 CIE I/O Logic Numbers...................................................................................................................62
Table 42ConfigurableAlertcom Tones.........................................................................................................66
Table 43Pre-commissioningResistance Measurement Record...................................................................71
Table 44Pre-CommissioningBattery Voltage Measurement Record...........................................................73
Table 45Power ONAC/DC Power Supply Calibration Record.....................................................................73
Table 46 CIE General Record.......................................................................................................................74
Table 47 CIE Expansion Board Record.........................................................................................................74
Table 48CIEMaintenance Record................................................................................................................75

Technical Manual
FT420 –Iss 2.4
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1 INTRODUCTION
1.1 Important Information
Brooks FT420 Control and Indicating Equipment (CIE) is highly integrated and flexible and is available
with 4 to 20 conventional zone circuits. It is designed to comply with the Australian standard AS7240.2
and AS7240.4. The FT420 system was tested and approved under the CSIRO ActivFire scheme. The
system should be correctly configured and installed to suit the site specific applications.
Brooks shall under no circumstances be liable for any incidental or consequential damages arising
from loss of property or other damages or losses owing to the failure of Brooks products beyond the
cost of repair or replacement of any defective products.
Brooks reserves the right to make product improvements and change product specifications at any
time. While every precaution has been taken during the preparation of this manual to ensure the
accuracy of its contents, Brooks assumes no responsibility for errors or omissions.
WARNING!
➢Improper operation of the CIE may result in serious injury including death, damage or loss of
property and equipment and interruption to the site normal functions.
➢Contact the Fire Brigade immediately in alarm condition regardless of whether the CIE is
equipped with fire Alarm Signalling Equipment (ASE) or automatic fire protection equipment.
➢Always install, maintain, service and operate the Brooks CIE according to all the relevant
standards and regulations, the site emergency plans and the equipment operation instructions.
➢Any controls provided by the CIE are for emergency protection and warning purposes only. Do
not rely on the CIE to operate external equipment for any other purposes.
➢The Brooks CIE monitors the wiring conditions by using end of line devices. It is however not
capable of detecting the internal conditions of any associated external equipment unless the
system is specially arranged to monitor those conditions. The external equipment shall be
operated and maintained according to its own specific operation and maintenance procedures.
1.2 Overview
This manual provides technical information to properly configure, install, wire and maintain the Brooks
Firetracker FT420 Conventional CIE system and its related options. It is highly recommended that the
manual be used together with the FT420 CIE Operations Manual. Please contact Brooks for additional
technical support or comments if necessary.
The FT420 technical manual presents the following chapters:
Chapter 1: Provides general information and highlights CIE features.
Chapter 2: Details system architecture, jumper settings and terminations of each system module.
Chapter 3: Describes major functions of CIE, connection diagrams and wiring requirements.
Chapter 4: Shows the system configuration methods.
Chapter 6: Lists guidelines for CIE installation and commissioning.
Appendix A: Contains forms for recording the CIE Pre-Commissioning results
Appendix B: Contains CIE General Information, CIE Maintenance History and Block wiring
diagrams.

Technical Manual
FT420 –Iss 2.4
8
1.3 Features
Brooks Firetracker FT420 provides a highly integrated and configurable system for applications where
both reliable detection and occupant warning systems are required. The features of FT420 are as
follow:
1.3.1 Reliable Fire Protection and Beyond
The system performance meets and exceeds the latest fire protection equipment standards AS7240.2
and AS7240.4.
The system is capable of providing the following functions within its architecture.
➢From 4 to 20 zones of fire alarm detection circuits. Alarm zones can also be used as a generic
input from flow switches, security, chemical hazard and any compatible inputs.
➢Controls and indicators for an Ancillary Control Facility (ACF), External Strobes and Alarm
Devices (NAC circuit) are standard features together with a Magnetic Door Holder (MDH)
fused circuit input and output connection
1
.
➢Optional expandable controls for multiple supervised speaker circuits, multiple 24V supervised
alarm outputs and other control devices.
➢Optional integrated Occupant Warning System (OWS) with multiple tones and voice
messages, supervised speaker circuit, supervised trigger input, PA and supervised dual strobe
output.
➢Optional Alertcom features.
➢Optional Gaseous extinguishing system integration.
1.3.2 Simple and Clear User Interface
The CIE modular and intuitive user interface significantly simplifies the system operations. All the
system conditions are indicated by well-grouped LED indicators. All the system operations are
available via momentary push-button switches.
As there are no LCD menus to navigate through, the CIE is easy to use and minimises confusion and
hence, reduces the response time in emergency conditions.
1.3.3 Optional Configuration of Zone Inputs and Controls
Each zone input has a number of optional configuration features such as non-DBA alarm, non-latching
alarm, Alarm Verification Facility (AVF), short circuit on alarm and Alarm Post Delay Facility for
AS1668 fire fan control applications.
Each zone input circuit can function as:
➢A fire alarm zone input,
➢Sprinkler flow switch and monitored valve input,
➢Clean contact input or pre-selected tone trigger input of the Brooks Alertcom functions.
Each zone input state can also drive any of the programmable system conditions and controls.
Different combinations of the settings are available to suit a large number of specific applications.
Note: Zone configuration can only be achieved when the FT420 configuration software and PC
serial adapter programming unit are available2. Refer to Chapter 4 in page 60.
1
External 24V supply must beconnected tothe MDH input refer to Chapter MDH outputs page 44 for more details.
2
Ensure firmware compatibility between system firmware and PC configuration software

Technical Manual
FT420 –Iss 2.4
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1.3.4 Optional Relay Boards and Speaker Zoning
In addition to the normal alarm zoning, the CIE supports additional programmable relay outputs (non-
supervised) using 8 relay expansion board SUB885 which can be utilised to control ancillary equipment by
independent zones or zone mimic.
If an OWS is used in the FT420, the speaker output can be split into 4 speaker zones using a four
supervised output expansion boardSUB886.
1.3.5 Simple Configurations
A user friendly system configuration utility simplifies the installation and on-site service process. Authorised
installers can easily configure all the system parameters via PC configuration software and serial adapter
unit, refer to Chapter 4.
1.3.6 Brooks Alertcom
By adding expansion boards, the FT420 CIE is capable of providing a complete Alertcom manual and
automatic triggering system whichincludes the following features:
•Multipletone and voice messages
A total of up to ten tones and/or voicemessages can be activated, based on thesystem conditions.
•Visual alarm indications
The Alertcom is capable of providing both audible and visual warnings in alarm and manual
conditions. Its monitored dual strobe output controls the visual indications for both alert and
evacuation conditions separately.
•Automatic Alertcom system with manual tone selections
Up to eighttonescan be broadcasted based on the associatedmonitored trigger inputsor themanual
selections on the front display. It can be used not only for the emergency warnings, but also for
general message broadcasts, such as the school and lunch bells.
•PA
Public addressing can be broadcasted
•Auxiliary audio input
Remote desktop microphone announcements or background music can be broadcasted when the
auxiliary audioinput is enabled and the CIEis in quiescent conditions.
1.3.7 Gaseous Extinguishing System
3
The new firmware V2.3, is now able to integrate Brooks Gaseous extinguishing system in the standard
FT420 configuration. The Brooks series of warning signs, local control stations and voice / messages
horns or speakers can be connected to the gas interface module to offer a complete gaseous
extinguishing system as well as detection system. Refer to Chapter 3.10 page 50 and Figure 40 page
77.
3
Software version => V2.3.x must be used

Technical Manual
FT420 –Iss 2.4
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1.4 Specifications
Table 1 General Specifications
Feature
Specification
Mains Power Supply
230VAC (86-265VAC), 150W (5.5 Amp), requirement is based on the CIE power
supply calculations, refer to Chapter 3.12 page 54.
Backup Battery
2 x 12V. Battery capacity is based on the CIE power supply calculations. Refer to
Chapter “Power Supply Calculations” page 55
Access Security
Access Level 1: All the LED indicators are viewable through the locked transparent
front door.
Access Level 2: All the controls are accessible by opening the front transparent door
using a 003 key.
Access Level 3: The control and indicating circuits are behind the front plate. To
repair the CIE or upgrade its firmware, the technician needs to open the outer door
and unscrew the inner door.
Access Level 4: All the system configurations require special hardware and PC
software. No configuration is available during normal operations (Access Level 1 &
2).
Operating Temperature
0°C to +40°C.
Operating Humidity
5-95%, non-condensing.
IP Rating
IP31
Enclosue Material
Zinc anneal steel powder coated oyster with a tinted lockable acrylic front door
Enclosure
Small
480 (High) X 450 (Wide) X 220 (Deep) mm
Medium
630 (High) X 450 (Wide) X 220 (Deep) mm
Large
920 (High) X 450 (Wide) X 220 (Deep) mm
Compliance
CIE: Conforms to AS7240.2-2004 and AS7240.4-2004
OWS: Meet the requirements of clause 3.22 of AS1670.1-2004 and clause 1.4.1,
1.4.4, 4.3.3 and 4.3.5 of AS1670.4-2004
Alert tone and message meet the requirements of ISO 7731
Evacuation tone and message meet the requirements of ISO 8201
Gaseous extinguishing system meets the requirements of AS4214
Applications
Normally used in Class 2, 3, 4, 5 & 6 buildings, can also be used to protect
hazardous locations using intrinsically safe detectors/ MCP’s via galvanic isolator.
Installed to in-door environment only. Upon request it can be fitted inside IP65
enclosure.