Installation manual 02
Contents
1. delay time Check that the pipe is seated in the inlet and is not broken or cracked Check that installed pipework is fitted with endcaps PipeCAD pipe modeling software prompts for the use of appropriate endcaps Open bore pipes are not recommended Check that the high flow fault threshold is not set too low In the case of intermittent fault indications try increasing the flow fault delay time Problem Flow fault errors Low Flow error message High Flow error message LaserSense 100 Aspirating Smoke Detector Installers Handbook 39 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 4 Troubleshooting 40 41 Chapter 5 Maintenance Summary This chapter provides scheduled and unscheduled maintenance procedures Content Introduction 42 Scheduled maintenance 42 Maintenance procedures 43 Visual check 43 Gross smoke test 43 Transport time verification test 43 Detector sensitivity test 43 Cleaning the detector 44 Replacing the dust separator cartridge 44 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 5 Maintenance Introduction This chapter contains maintenance instructions for the detection system These procedures should be performed on a scheduled basis In the event that system problems are found during routine maintenance refer to Chapter 4 Troubleshooting on page 37 Failure to properly maintain the system may affect the functioning of the2. 10 LaserSense 100 Aspirating Smoke Detector Installers Handbook 9 Chapter 2 Installation and configuration Figure 4 Docking station 1 2 3 4 1 Cable gland 4 Mounting screw holes 2 Exhaust port 5 Ground stud 3 Sampling port Application The detector is intended to provide small area incipient fire detection This means that it is suitable for the substantial range of applications typified by small compartmentalised rooms warehouse racking or pieces of electronic or electromechanical equipment where it is desirable to achieve individual incipient fire reporting In compartmentalised rooms each compartment would normally use an individual aspirating detector The detector is not intended to protect large areas or to sample from areas where there may be any difference in airflow rates or pressure differentials If detection in environments conforming to these descriptions is required other type detectors should be used 10 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 2 Installation and configuration System design Simple designs with short sampling pipes produce the best results Complex sampling pipe runs should be avoided with the detector The use of T branch pipes is not recommended The detector is fitted with two sampling pipe inlets as standard It is always preferable to use two shorter pipes as opposed to one longer pipe If two sampling pipes are used care should be
3. EDWARDS LaserSense 100 Aspirating Smoke Detector Installers Handbook P N 9 14567 EN REV 02 ISS 12ABR13 2013 UTC Fire amp Security All rights reserved Kidde Products Limited Unit 2 Blair Way Dawdon Seaham County Durham SR7 7PP United Kingdom 6 0832 0832 CPD 0982 EN 54 20 2006 Aspirating smoke detectors for fire detection and fire alarm systems for buildings Class A B and C Technical data See INF48029 held by the manufacturer For contact information see www airsensetechnology com Copyright Manufacturer Certification Contact information Important information 3 EN 54 20 and UL compliance 5 Product and component descriptions 1 Introduction 2 Available software for the detector 2 Specifications 3 Indicators 4 Inside the detector 5 Removable terminal block connections 6 Installation and configuration 7 Introduction 8 Antistatic precautions 8 General installation guidelines 9 Docking station 9 Application 10 System design 11 Installation 16 Interfacing with fire alarm panels 20 Setting the detector address 22 Connecting the detector to a SenseNET RS 485 detector network 25 Final installation 26 Removing the detector 26 Configuring the detector after installation 27 Connecting toaPC 29 Eventlog 30 Commissioning 31 Introduction 32 Commissioning checklist 32 Precommissioning preparation 34 Acclimation period 34 Transport time verification 34 Gross s
4. LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 5 Maintenance 46 47 Glossary Degrees centigrade Degrees Fahrenheit Ampere Alternating current Americans with Disabilities Act Ampere hour Authority having jurisdiction Automatic release circuit American wire gauge Addressable protocol interface card California State Fire Marshal Digital alarm comm transmitter Direct current Detector End of line device End of line resistor Factory Mutual Full scale deflection Feet High sensitivity smoke detector Hertz frequency Inches Liquid crystal display Light emitting diode Materials and Equipment Acceptance Division of the City of New York Notification appliance circuit Normally closed National Electrical Code National Fire Protection Association Normally open C F AC ADA AH AHJ ARC AWG APIC CSFM DACT DC DET EOLD EOLR FM FSD HSSD Hz LCD LED MEA NAC N C NEC NFPA N O LaserSense 100 Aspirating Smoke Detector Installers Handbook LaserSense 100 Aspirating Smoke Detector Installers Handbook New York City Printed circuit board Pico farads Part number Power supply unit Random access memory Signaling line circuit Terminal block Underwriters Laboratories Inc Volts Volts AC Volts DC Volts root mean square Glossary NYC PCB pF P N PSU RAM SLC TB UL ULI V VAC VDC VRMS 48 49 R Relays 19 5 SenseNET Conn
5. address is set as 8 7 bit binary code switch 8 equates to 3 value of 128 and so is outside the usable address range Refer to Figure 2 on page 5 for the location of detector DIP switches Figure 14 shows 8 sample DIP switch setting The address equates to 01100011 in binary or 1x1 1 x2 0 0 4 8 Ox 16 1 0 64 1 32 128 99 22 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 2 Installation and configuration The full range of available addresses and their relevant switch settings are provided in Table 3 on page 24 for reference Figure 14 Sample DIP switch settings Address table Addresses chosen for detectors do not have to be consecutive or in a given order so long as they are all different Table 3 on page 24 provides the address table for detectors LaserSense 100 Aspirating Smoke Detector Installers Handbook 23 Chapter 2 Installation and configuration Table 3 Address table fetes hee 5 gt gt T 2 24 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 2 Installation and configuration ap ph pl fo fo s Joh fo fr hf fo fo sg fh fo fr fh fi fo fo Connecting the detector to a SenseNET RS 485 detector network Up to 127 detectors may be linked in a single SenseNET bus supporting a total length of wire between adjacent detectors of up to 1 2 km 3 4 mile Figure 15 below shows an example of two
6. detectors linked into a 127 detector bus with a command module and a number of HSSD 2 detectors It will be noted that whereas the HSSD 2 detectors have two input output buses 1A 1B and 2A 2B this detector has only a single such bus A B Therefore each bus terminal has an input and an output wire compared with a single wire in each terminal in the HSSD 2 Figure 15 Connecting the detector to a SenseNET network Command module 2 Detector 1 3 Detector 2 4 Detector 3 HSSD 2 5 Detector 127 HSSD 2 LaserSense 100 Aspirating Smoke Detector Installers Handbook 25 Chapter 2 Installation and configuration It is easy to join the input and output wires for each bus and screen connection together and to solder or crimp a single wire or connecting ferrule to each wire pair so that they are easier to fit into the screw terminals If this is performed it is recommended that bare wire joints be insulated to prevent possible shorting of the data bus which will cause a drop out of data on the SenseNET bus In the example shown in Figure 15 on page 25 there could be a total length of RS 485 cable of up to 1 2 km 3 4 mile between the command module and detector 3 since these are all on a single bus However detector 3 is a HSSD 2 which has a second communications bus RS 485 bus 2 and an RS 485 repeater This allows a further total of 1 2 km 3 4 mile of cable until the next HSSD 2 in the RS 485 loop In the exampl
7. entry number than the most recent FastLearn start and FastLearn end entries Note Remember that the log entries are in reverse order with the most recent entries appearing first If the log shows that demo mode was invoked during the last FastLearn period start a new FastLearn and allow it to complete its 24 hour cycle From the event log check that 24 hours have elapsed since the last FastLearn end entry Check that day night switchover times are appropriately set to reflect active and nonactive periods Elevated smoke Check that detector is not isolated or in FastLearn if Isolated the Fault levels do not light will be lit if in FastLearn the OK light will flash generate alarmis Check that the detector sampling points are in the smoke stream Check that sampling pipes are firmly and cleanly seated in their ports and undamaged Check that the correct ClassiFire alarm setting has been set Check that the detector has either had a 24 hour learning period or that it has been placed in demo mode Low mean output Check that the dust separator filter cartridge does not require changing refer to Figure 19 on page 45 for details and that the air plenum chamber is clean The chamber may become clogged when for example heavy building activity has occurred near the sampling pipes If so the chamber may require factory service The detector is not designed to handle large quantities of coarse debris and dust Detector sensitivity Th
8. from the unit must not be impeded in any way If the unit is mounted where the air pressure differs from the sampling location for example an air duct then a pipe must be then a pipe must be routed from the exhaust port back to the same air pressure zone as the sampling holes e Sampling holes should be free from burrs and swarf e All signal cables must be suitable for the application The specific type of cable will normally depend upon the local fire regulations e The unit must not be placed in areas where either the temperature or humidity is outside the specified operating range e The unit should not be placed in close proximity to any equipment expected to generate high levels of radio frequency signals such as radio alarms or units generating high levels of electrical energy Such as large electric motors or generators Docking station The basic principle behind installation of the detector is that all wiring and pipework is installed using a docking station This is a convenient feature which means that the detector can be dismounted or replaced without disturbing any wiring or installed pipework The docking station inlet sampling ports and exhaust port is used to interface with the pipe network The inlet ports are used for aspirating the pipework network The exhaust port allows the detector exhaust air to be routed back to the sampling area when differing atmospheric pressures require this Refer to Figure 4 on page
9. indicator on the front panel will begin to flash The detector will generate no alarms during the 15 minute FastLearn period and after this the detector will operate at a reduced sensitivity for 24 hours while ClassiFire acclimates to the protected environment and sets up appropriate day and night sensitivity settings 11 12 If desired exit the Remote Control software or SenseNET software power down the PC and remove it from the detector serial port Table 4 Suggested settings for ClassiFire alarms Alarm Sensitivity Probability of nuisance Suggested protected area factor alarm 0 Extremely High Once per year Semiconductor manufacturing clean room 1 High Once per 5 years Computer room 2 High Once per 10 years Non smoking office 3 High Once per 50 years Clean factory 4 Medium Once per 1 000 years Warehouse 5 Medium Once per 5 000 years Warehouse with diesel trucks operating 6 Medium Once per 10 000 years Warehouse with diesel trucks operating 7 Low Once per 20 000 years Warehouse with diesel trucks operating 8 Low Once per 100 000 years Warehouse with diesel trucks operating 33 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 3 Commissioning Precommissioning preparation Commissioning should be performed after all construction has been completed and cleaned of any lingering post construction dirt If ambient monitoring conditions are recorded before the installation is cleaned up they
10. is in the middle of a networked chain with input and output connections it may be more convenient to link the common Bus A Bus B and screen wires to single A B and screen wires for linking to the terminal block Figure 11 below shows the power and signal connections to the docking station for connection to a single network cable Figure 11 Power and signal connections to the docking station 5 1 Power supply shielded wire to ground stud 5 Power supply 24V wire 2 RS 485 SenseNET Bus A wire 6 Wire from earth terminal to ground 3 RS 485 SenseNET Bus B wire stud 4 RS 485 SenseNET Bus shielded wire 7 Power supply OV wire Relay connections The detector includes an Fire Alarm relay corresponding to the Fire 1 alarm level which closes on alarm and a general Fault relay which opens on any fault condition or on power down see Figure 12 on page 20 The relays are of the volt free type with a maximum current capacity of 500 mA at 30 VDC LaserSense 100 Aspirating Smoke Detector Installers Handbook 19 Chapter 2 Installation and configuration Figure 12 Fault and Fire Alarm relay contacts 1 2 1 Fault relay contacts 2 Fire Alarm relay contacts Interfacing with fire alarm panels Because of the flexible nature of the detector and the many possible configurations there are many options for interfacing the detectors to the fire panel The detector provides the following methods of interfacin
11. location of the ground stud for both types of docking stations 6 Connect the ground wires to the ground stud 7 Replace the terminal block with the same orientation as when removed LaserSense 100 Aspirating Smoke Detector Installers Handbook 17 Chapter 2 Installation and configuration Figure 9 Detector power supply terminals Signal connections To connect the signal wire 1 Lead a suitable wire type RS 485 cable 9841 120 ohm shielded screened twisted pair or equivalent through the second cable gland 2 Tighten it into position with approximately 35 mm 1 1 4 inch of cable from the bottom of the cable gland 3 Remove either the three way terminal block next to the power supply socket if connecting the detector to a SenseNET system or the four way Bus terminal block if connecting the detector to an alarm panel in conjunction with the APIC addressable bus card Refer to Figure 10 for an illustration of the terminals and Setting the detector address on page 22 for details on addressing Figure 10 APIC address and RS 485 SenseNET terminals 1 2 1 APIC Address terminal 2 RS 485 SenseNET terminals 18 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 2 Installation and configuration For example in a networked system using screened cable connect the screen wires to the SCN terminal Bus A wires to the A terminal and Bus B wires to the B terminal If the detector
12. may not accurately reflect actual normal operating conditions that need to be used as reference data for follow up maintenance procedures and tests Acclimation period The detector will operate at a reduced sensitivity for 24 hours ClassiFire will set up the appropriate day and night sensitivity settings All air handling units thermostats and other systems that can have an effect on the operating environment should be turned on to simulate normal operating conditions as closely as possible After approximately one week of monitoring time depending on chart log recording rate download the detector event log to a PC from the RS232 port using a serial cable Transport time verification The maximum transport time verification test is the measure of the amount of time it takes for the detector to respond to smoke that enters the pipe at the sampling point furthest from the Detector The results of this test and the calculated maximum transport time from PipeCAD must be recorded on the checksheet Measured transport time less than the calculated time is acceptable To measure the maximum transport time of the system 1 Determine the furthest sampling point from the detector 2 Allow test smoke to enter the pipe at the furthest sampling point 3 Record the amount of time for the detector to respond This is the actual maximum transport time Gross smoke testing The gross smoke test is a measurement of the amount of time elapsing fro
13. minute 2 The system will respond within 120 seconds following de energization After this period most of the insulation should be burned off Note The wire cross section should be American Wire Gauge AWG 10 with the following diameter and area Diameter 2 59 mm or 0 10189 in Cross section area 5 0 mm or 0 00775 in 36 LaserSense 100 Aspirating Smoke Detector Installers Handbook 37 Chapter 4 Troubleshooting Summary This chapter provides information to troubleshoot the detection system Content Troubleshooting the detector 38 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 4 Troubleshooting Troubleshooting the detector This chapter provides some possible solutions if a problem should occur with your detector If the problem is not addressed in this chapter or if after performing the suggested actions the problem persists contact Technical Support Note Consult either the Remote Control Software User Manual or SenseNET Software User Manual for more information about the solutions or corrective actions discussed here Table 5 Troubleshooting guide Problem Solution Corrective Action Nuisance alarms Check that the ClassiFire alarm factor setting is appropriate for the normal occur too often working environment of the protected area Check that the detector is not in demo mode This can be ascertained by viewing the event log and checking that the entry demo mode has a higher log
14. select the Function Settings window 6 Verify that the time and date are correct on the Time and date tab 32 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 3 Commissioning 7 Setan appropriate alarm factor as shown in Table 4 below for the protected environment on the Alarm levels and delays tab The detector will automatically perform FastLearn for the new alarm factor takes approximately 15 minutes The OK indicator on the front panel will begin to flash If using Day Night switching check that the Day Start and Night Start times reflect site operations While the detector is still in FastLearn mode place a checkmark next to the Demo mode command at the bottom of the Alarm levels and delays screen The detector will enter demo mode where it estimates its final sensitivity immediately after the FastLearn cycle has finished Note Checking the Demo mode box only puts the detector into demo mode while the detector is performing a FastLearn It has no effect at any other time Verify that the FastLearn has concluded the OK indicator has stopped flashing With the detector in demo mode perform any necessary smoke tests ensuring that the detector reacts appropriately and let the smoke fully dissipate 9 10 Perform another FastLearn this time NOT putting the detector into demo mode Do this by placing a checkmark next to the FastLearn Enable command in the Alarm levels and delays screen The OK
15. total 2 3 4 in ID or 27 mm OD 4 Fire Alarm 2 Fire Alarm 1 Pre Alarm and Aux 1 relay as standard others available Greater than 8 years depending on environment Greater than 5 years depending on environment Greater than 1 000 years PC via RS 232 or RS 485 RS 485 data cable 1 2 km 3 4 mile IP50 Table 1 Specifications Specification SELV rating EN 60950 Supply Voltage Size Weight Operating temperature range Operating humidity range Sensitivity range obs ft obs m Maximum sensitivity resolution Detection principle Particle sensitivity range Current consumption Relay contact rating Maximum sampling pipe length Sampling pipe inlets Sampling pipe internal diameter Alarm levels Chamber service intervals Dust separator filter replacement intervals Laser lifetime MTTF Programming Data bus cable Data bus length IP rating LaserSense 100 Aspirating Smoke Detector Installers Handbook 3 Chapter 1 Product and component descriptions Indicators Figure 1 below shows the three indicators on the detector Figure 1 Detector indicators 1 Alarm Illuminates when the alarm level has been reached and the appropriate time delays have expired 2 Fault Illuminates when the unit has a fault and a fault signal is being sent to the fire alarm panel 3 OK Illuminates to show normal operation when there are no faults The OK lamp will flash during the 15
16. 0 0 1mm gauge for one minute using an appropriate power supply The detector has two minutes from the end of the wire burn to give an alarm indication For areas with higher levels of background particulate matter testing methodology would be similar to that of standard point detectors Commissioning should only be done by factory trained technicians in accordance with applicable standards Commissioning checklist The following brief checklist allows quick setup of the detector This procedure will be adequate for most standard installations To commission the detector 1 Before powering up the detector visually check all cabling to ensure correct connection If wire identification is not immediately clear e g by use of different colored wires or wire identification sleeves an electrical check should be made Caution Ensure that all wiring connections are checked prior to powering up the detector Incorrect wiring of the detector will cause permanent damage to the detector 2 Connect the detector to a PC and set the detector address on the DIP switches and APIC board if applicable Refer to Signal connections on page 18 and Relay connections on page 19 for more information 3 Power up the detector 4 Ensure that all detectors in the network area are clear of troubles and alarms if applicable 5 Launch either the Remote Control software or SenseNET program on the computer enter the access code and then
17. Advisory messages Advisory messages alert you to conditions or practices that can cause unwanted results The advisory messages used in this document are shown and described below WARNING Warning messages advise you of hazards that could result in injury or loss of life They tell you which actions to take or to avoid in order to prevent the injury or loss of life Caution Caution messages advise you of possible equipment damage They tell you which actions to take or to avoid in order to prevent the damage Note Note messages advise you of the possible loss of time or effort They describe how to avoid the loss Notes are also used to point out important information that you should read Product Symbols This symbol appears on the main board of the unit and indicates that the board contains static sensitive components This label is located on the laser chamber at the bottom right of the open detector and signifies that the unit is a Class 1 Laser product as specified in IEC 60825 1 The unit incorporates a Class 3B embedded laser which must not be removed from the detector as retinal damage may result if the laser beam enters the eye This symbol indicates the Safety ground studs These are for grounding cable screens etc and should not be connected to OV or signal earth iv LaserSense 100 Aspirating Smoke Detector Installers Handbook EN 54 20 and UL compliance The installation must be designed using PipeCAD so
18. Remote Control program When the detector event log is full 200 events have been logged and 8 new event occurs the oldest event in the log is deleted first in first out To download the event log connect a PC to the detector serial port and run the Remote Control software or SenseNET programs For details see the Remote Control Software User Manual or the SenseNET Software User Manual 30 LaserSense 100 Aspirating Smoke Detector Installers Handbook 31 Chapter 3 Commissioning Summary This chapter provides information to commission the detection system Content Introduction 32 Commissioning checklist 32 Precommissioning preparation 34 Acclimation period 34 Transport time verification 34 Gross smoke testing 34 Aerosol smoke spray 35 Wire burner tests 35 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 3 Commissioning Introduction This chapter covers the commissioning procedures for the detector Commissioning strategy initially depends upon the environment in which the detector is installed For instance the test for a computer room in a relatively clean environment would be very different from say a flour mill with a high level of airborne particulate content A widely accepted standard for computer rooms or EDP areas is British Standard BS6266 equipment overheating at a stage well before combustion To perform the test electrically overload 3 1 metre length of PVC insulated wire of 1
19. ance Maintenance procedures The following paragraphs outline general scheduled maintenance procedures to be performed on an as necessary basis Visual check The visual check must be performed every six months This check is to ensure pipe network integrity To perform the visual check observe the entire piping network and check for abnormalities in the pipes including any breaks blockages crimps etc Gross smoke test The gross smoke test is a Go No Go test which ensures that the detector responds to smoke This test must be performed at system commissioning and every year thereafter To perform this test smoke must be introduced into the last sampling hole in each branch of the pipe network and the proper response must be verified by the detector Smoke from a punk or cotton wick may be used Aerosol test smoke may also be used Note For cleanroom applications consult with supplier for gross smoke test methods Transport time verification test The maximum transport time of the pipe network must be measured and compared to the recorded transport time at commissioning Refer to Transport time verification on page 34 of this manual for test details The transport time verification test must be done at commissioning and every year thereafter Detector sensitivity test The detector sensitivity test must be performed within one year of installation and every alternate year thereafter Example e Year
20. ds on the detector PCB using the supplied screws as shown Figure 13 on page 22 The connections to the fire panel are made using the BUS L1 and H1 bus 1 input and output and the BUS L2 and H2 bus 1 input and output terminal connectors shown in Figure 10 on page 18 The only settings that need to be made are on the APIC address DIP switches The start loop address is entered on SW1 and the end loop address on SW2 In the case of a single detector the start and end addresses are the same Note The detector address on the SenseNET loop and the fire panel addressable protocol address are the same i e no address translation is performed Some protocols may not support all the available alarm levels and fault reporting is usually a general fault with no detailed fault information Please consult the specific APIC protocol documentation for more information LaserSense 100 Aspirating Smoke Detector Installers Handbook 21 Chapter 2 Installation and configuration Figure 13 APIC connections 1 1 Mounting studs 4X 3 APIC address switch 2x 2 APIC Interface connection Setting the detector address In order to identify itself to the PC command module or fire panel each detector needs to have a unique address ranging from 1 to 127 The detector address is set on DIP switch SW1 at the bottom left of the opened detector on the main circuit board The switch settings are up for 1 and down for 0 and the detector
21. e Chart Recording Connecting to a PC To connect a single stand alone detector to a PC connect the PC s serial port directly to the detector s 9 way RS 232 port Connections for this cable are shown in Figure 17 below Figure 17 RS 232 cable connections 1 2 1 9 pin female D connector 2 9 pin female D connector Figure 18shows the RS 232 cable connection from the detector to a PC Figure 18 Detector serial port connection for a PC 1 1 Serial port connection to PC LaserSense 100 Aspirating Smoke Detector Installers Handbook 29 Chapter 2 Installation and configuration Event log The Event Log is a record of detector events such as faults alarms and function changes It is stored inside an operating detector and is updated whenever an event occurs The event log is nonvolatile which means that it is retained when the detector is turned off The last 200 detector events may be stored An event is defined as e A change to any programmed function e A signal received from an external controller such as the remote software APIC or SenseNET e A detector output level meeting or exceeding the Pre Alarm Aux Fire 1 or Fire 2 alarm thresholds e A fault condition such as a flow or dust separator filter fault e A start of day or night operation e Demonstration Mode start e FastLearn start or stop e Power on or off Events can either be viewed on 8 PC screen or downloaded to disk by running the
22. e shown in Figure 15 if detectors 4 126 not shown are all this type of detector then the total length of wiring between Detectors 3 and 127 would be limited to 1 2 km 3 4 mile However each additional HSSD 2 detector wired up using both RS 485 buses would allow an additional1 2 km 3 4 mile of cabling to be added to the RS 485 loop Final installation Once the power and signal connections are made slide the detector body up into the docking station and fasten it into position using the M4 pan head screws provided Slot the power and signal terminal blocks into the relevant sockets on the detector PCB which will only click fully home in the correct orientation Lastly replace the detector cover using the six pan head screws provided Refer to Figure 16 Note The detector is designed solely for operation with the front cover securely fitted using all six fixing screws Removing the detector Removing the detector is the reverse of the installation process leaving the pipework and wiring connections installed in the docking station as shown in Figure 4 on page 10 See Figure 16 26 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 2 Installation and configuration Figure 16 Final installation of the detector 1 Docking station attachment screws 3X 2 Cover attachment screws 6X Configuring the detector after installation The detector programmable functions are accessed using a PC connected
23. e the ceiling installations 13 Installation 16 Mechanical installation 16 Removing the front cover 16 Electrical installation 16 Relay connections 19 Interfacing with fire alarm panels 20 Connecting the detector to an APIC 21 Setting the detector address 22 Address table 23 Connecting the detector to a SenseNET RS 485 detector network 25 Final installation 26 Removing the detector 26 Configuring the detector after installation 27 List of programmable functions 8 Connecting toaPC 29 Eventlog 30 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 2 Installation and configuration Introduction This topic provides information necessary to install the detector system To install the detector 1 Unpack the shipping carton Ensure that the package contains a CD ROM two ferrite rings two cable glands and the unit Determine the optimum location for the detector Mount APIC or Relay Card inside the detector if required Mount the docking station Gee te DD Connect the docking station to the sampling pipe network 6 Mount the detector to the docking station Installation should only be done by factory trained technicians Installation should be in accordance with applicable installation requirements These include e NFPA 70 National Electrical Code e NFPA 72 National Fire Alarm and Signaling Code e CSA 022 1 Canadian Electrical Code Part 1 e CAN ULC S524 Installation of Fire Alarm Syste
24. ecting 25 signal connections 18 Software available software 2 Specifications 3 System design 11 Terminal blocks 6 Transport time verification 34 W Wire burner tests 35 Index A Acclimation period 34 Addressing Address table 23 Setting the detector address 22 Advisory messages 4 Application 10 C Commissioning 32 D Detector components 5 Docking station 9 E Event log 30 F Fire Alarm Panels Interfacing 20 G Gross smoke testing 34 Installation 9 Electrical 16 Mechanical 16 Maintenance 43 Cleaning the detector 44 Replacing the dust separator filter 44 P Power supply connections 17 Programmable functions 28 LaserSense 100 Aspirating Smoke Detector Installers Handbook LaserSense 100 Aspirating Smoke Detector Installers Handbook Index 50
25. ere are many reasons why particle densities may vary and the varies over time ClassiFire system is designed to automatically compensate for this in order to reduce the likelihood of nuisance alarms due to normal variations in background smoke density Within limits set by the ClassiFire alarm factor this is a normal part of the detector s operation 38 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 4 Troubleshooting Solution Corrective Action These occur when the airflow rate into the detector exceeds the preprogrammed parameters As the detector learns the flow setup from the initial installation this usually means that there has been some change in conditions A Flow High fault may indicate that a sampling pipe is damaged and a Flow Low fault may indicate that the pipe has been blocked e g by nearby building operations If the detector input is sampled from one area and the exhaust is in another area with different pressure e g the detector is in a roof space and sampling from an enclosed room this may lead to flow faults In this case it would be necessary to lead a pipe from the exhaust to the protected area to ensure nominal flow Check that the pipe is not blocked If the pipe is unused check that the flow sensor for this pipe has been disabled Check that the low flow fault threshold is not set too high In the case of intermittent fault indications try increasing the flow fault
26. eturn air register of an air conditioning unit Note There is no substitute for carrying out smoke tests prior to installation of pipework to indicate suitable sampling point location No more than two air handling units may be protected with one detector In this application ensure that the sampling pipe is raised clear of high velocity air in the immediate vicinity of the air intake grill on standoff posts as shown in Figure 5 LaserSense 100 Aspirating Smoke Detector Installers Handbook 11 Chapter 2 Installation and configuration Figure 5 Air handling unit in vicinity of the detector 1 8 1 Incorrect location 6 Detector 2 Detector 7 AHU 3 Sampling pipe 8 Equipment cabinet 4 Standoff posts 9 Direction of smoke 5 Correct location 12 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 2 Installation and configuration Below or above the ceiling installations The detector is supplied with a docking station as shown in Figure 4 on page 10 This allows the detector to sample from areas which may be at different air pressure from the detector location Typical uses are for air duct sampling and allowing the installation of the detector in under floor or ceiling voids or when sampling from pieces of computer related equipment See Figure 6 and Figure 7 Figure 6 Installation of pipework above ceiling with exposed detector piped exhaust 1 Sampling pipe 4 Exhaust pipe 2 Samp
27. ftware which is provided free on the CD shipped with each detector After designing the installation including pipes endcaps and sampling holes enter the detector type To select the detector type click Options gt Calculation options and then select the detector from the Type drop down list Select Options gt Calculate or click on the calculator icon The software will prompt you to choose from Use set hole sizes Best flow balance and Max permissible transit time Select the appropriate option and click OK The results for each pipe View gt Results show calculations for each sampling hole on the pipe with the nearest to the detector at the top of the screen and the endcap hole at the bottom For EN 54 20 compliance the transport time of the last sampling hole shall be checked following all installation and proven to be less than or equal to that determined by PipeCAD The classification of each sampling device configuration and associated sensitivity settings are determined by the column headed Hole sensitivity obs m which shows the predicted sensitivity for each hole For the installation to comply with EN 54 20 depending on the class of installation each sampling hole must be no less sensitive than the following Class A 0 62 obs m Class B 0 62 obs m Class C 0 62 obs m The calculation can be further refined by leaving a working detector in the protected area for at least 24 hours at the intended alarm factor for
28. g with fire alarm panels e To conventional fire alarm panels using the detector s Fire Alarm and Fault relay contacts e addressable fire alarm panels via Addressable Programmable Interface Cards APICs APICs which can be mounted inside the detector may simplify installation when connecting to addressable signaling line circuits SLC The APIC used is completely dependent on the SLC protocol and therefore the make and model of the fire alarm panel WARNING Incompatible APIC panel combinations may result in a non operational system which may fail to perform during an event with resultant loss of life and or property APICs plug into a connector on the main PCB via a ribbon cable Once plugged in the SLC in and out are connected to the main PCB addressable bus terminals and the address DIP switches are set to the SLC address APICs have two modes of operation single address and multiple address When the interface is set to single address mode the card appears at a single address on the SLC and the detector status is read from that address 20 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 2 Installation and configuration Multiple address mode is used when monitoring the status of multiple detectors with consecutive addresses from a single SLC Multiple address mode is normally only used in the Command Mode Connecting the detector to an APIC The APIC is fitted to the four mounting stu
29. h NFPA 72 after any programming change Reacceptance testing is also required after any addition or deletion of system components and after any modification repair or adjustment to system hardware or wiring Limitation of liability To the maximum extent permitted by applicable law in no event will UTCFS be liable for any lost profits or business opportunities loss of use business interruption loss of data or any other indirect special incidental or consequential damages under any theory of liability whether based in contract tort negligence product liability or otherwise Because some jurisdictions do not allow the exclusion or limitation of liability for consequential or incidental damages the preceding limitation may not apply to you In any event the total liability of UTCFS shall not exceed the purchase price of the product The foregoing limitation will apply to the maximum extent permitted by applicable law regardless of whether UTCFS has been advised of the possibility of such damages and regardless of whether any remedy fails of its essential purpose Installation in accordance with this manual applicable codes and the instructions of the authority having jurisdiction is mandatory LaserSense 100 Aspirating Smoke Detector Installers Handbook iii While every precaution has been taken during the preparation of this manual to ensure the accuracy of its contents UTCFS assumes no responsibility for errors or omissions
30. he detector Use excessive force when fitting sampling pipes as this may damage the detector correctly connected before powering up by use of cable identifiers or electrical continuity checks Incorrect connection could damage the detector Ensure that cable of an appropriate approved type is used for interconnection Place sampling points so that the detector will be able to detect smoke at the earliest opportunity Ensure that the detector exhaust is in an area with the same atmospheric pressure as the sample pipes either by placing the detector physically in the protected area or by leading a pipe from the detector exhaust to the protected area Ensure that the environment of the protected area is within the environmental operating parameters of the detector Close unused pipe inlet ports on the detector to ensure optimal operation Set the appropriate ClassiFire alarm factor for the area to be detected Set the detector address switches correctly when used in a network Ensure that the detector is properly grounded LaserSense 100 Aspirating Smoke Detector Installers Handbook 15 Chapter 2 Installation and configuration Installation Mechanical installation The docking station is connected to the installed sampling pipework and fixed to the mounting surface using three screws of a type appropriate to the mounting surface Ensure that the sampling and exhaust pipes are securely seated in the pipe p
31. lable for use with the detector e Remote Control software Provided free of charge with every detector this software package enables the user to set up and configure the programmable functions of one or more detectors from a computer connected via an RS 232 serial cable e SenseNET software SenseNET software is used to configure and manage a large network of detectors with a simple streamlined graphical user interface from a computer connected to a detector or command module via an RS 232 serial cable to RS 485 converter interface 2 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 1 Product and component descriptions Specifications Caution This equipment is only to be used in accordance with these specifications Failure to operate the equipment as specified may cause damage to the unit injury or property damage Value Class Ill 21 6V to 26 4VDC PSU Type conforming to EN 54 4 Electrical safety complies with BS EN 610190 1 300 W x 220 H x 90 mm 11 8 W x 8 6 Hx 3 5 in 3 8 kg 8 4 lbs with docking station 10 to 60 C EN 54 20 32 to 100 F 0 to 38 C UL 268 CAN ULC 8529 FM 0 to 90 noncondensing BS EN 61010 1 Pollution degree 1 BS EN 61010 1 Installation Cat II Min 7 62 Max 0 00914 FSD Min 25 Max 0 03 FSD 0 0015 obs m 0 00046 obs ft Laser light scattering mass detection 0 0003 um to 10 um 400 mA 500 mA at 30 VDC 100 meters 330 feet
32. ling hole 5 False ceiling 3 Detector LaserSense 100 Aspirating Smoke Detector Installers Handbook 13 Chapter 2 Installation and configuration Figure 7 Installation of pipework above ceiling with detector mounted in ceiling void no exhaust piping 1 Sampling pipe 3 Detector 2 Sampling hole 4 False ceiling 14 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 2 Installation and configuration Table 2 below contains a list of procedural guidelines for installation of the Don t Drop the detector detector Table 2 Procedural guidelines Do Ensure that the power and signal cables are Install detectors in damp or exposed areas Remove or connect boards when the detector is powered up Connect internal 0 volt terminals to local earth Attempt to reuse dust separator filter cartridges once removed Attempt to adjust or alter detector settings other than via the user programmable functions Any attempts to adjust the laser potentiometer are detectable and will void the warranty on the product Place the detector near high power RF sources Place the detector so close to other equipment that there is insufficient room to access and change the dust separator filter or access the RS 232 connector Use sampling pipe of less than 27 mm 1 inch outside diameter without a suitable 27 mm 1 inch pipe adapter It is important that there are no leaks where the pipe connects to t
33. m the activation of the smoke generating medium until Pre Alarm 1 and Alarm 1 is reached This test should be repeated at least three times with consistent results Recommended smoke generating medium is aerosol simulated smoke or wire burner 34 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 3 Commissioning Aerosol smoke spray There are a number of commercially available aerosol smoke sprays or canned smoke Please refer to your supplier for a recommended product When using canned smoke introduce only enough smoke into the protected area that will cause an FIRE 1 condition This may require a number of practice sprays Follow the manufacturer s instructions Caution Oil based canisters that are used to test point detectors are not suitable for testing aspirating systems as the particulate is heavy and tends to drop out in the pipe never actually reaching the detector Also the oily residue that is left behind may affect the functionality of the detector Wire burner tests The wire burner test is considered the most representative test of incipient fire hazard detection in telecommunications or computer room environments The test is performed by applying a voltage to a piece of PVC insulated cable Smoke is produced from the overheated PVC insulation by evaporation and condensation of the plasticizer As the wire becomes hotter hydrogen chloride HCI gas is emitted from the insulation The by produc
34. minute FastLearn period when the detector is first learning about its environment 4 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 1 Product and component descriptions Inside the detector Figure 2 below shows the main interior parts of a detector with the cover off Figure 2 Detector interior view 1 5 3 1 Removable terminal block connections 2 Filter 3 RS232 serial port 4 Detector address DIP switch 5 Addressable Programmable Interface Card APIC or relay card port LaserSense 100 Aspirating Smoke Detector Installers Handbook 5 Chapter 1 Product and component descriptions Removable terminal block connections Figure 3 below shows the terminal block connections that connect the detector to other electronic components Figure 3 Detector terminal block connections 3 4 5 1 FAULT relay contacts Open FAULT 2 FIRE Alarm relay contacts Closed FIRE 3 APIC addressable bus connections for use in conjunction with interface card 4 RS 485 SenseNET connections 5 Power supply connections 6 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 2 Installation and configuration Summary This chapter provides information necessary to install and configure the detector system Content Introduction 8 Antistatic precautions 8 General installation guidelines 9 Docking station 9 Application 10 System design 11 Below or abov
35. moke testing 34 Troubleshooting 37 Troubleshooting the detector 38 Maintenance 41 Introduction 42 Scheduled maintenance 42 Maintenance procedures 43 Content Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 LaserSense 100 Aspirating Smoke Detector Installers Handbook LaserSense 100 Aspirating Smoke Detector Installers Handbook Glossary 47 Index 49 Important information Regulatory information This equipment is Class III as defined in EN 60950 i e this equipment is designed to operate from Safety Extra Low Voltages and does not generate any hazardous voltages As this equipment is part of a fire detection system input power should be supplied from an approved power supply conforming to EN 54 4 or UL ULC and FM standards In order for the installation to conform to EN 54 20 pipes must conform at least to EN 61386 1 Class 1131 This product has been designed to meet the following requirements e NFPA 72 National Fire Alarm and Signaling Code e UL 268 Smoke Detectors for Fire Alarm Signaling Systems e UL 268A Smoke Detectors for Duct Applications e UL 864 Control Units for Fire Protective Signaling Systems e CAN ULC S524 Installation of Fire Alarm Systems e ULC 527 Control Units for Fire Alarm Systems e CAN ULC S529 Smoke Detectors for Fire Alarm Systems System reacceptance test after reprogramming UL ULC and FM To ensure proper system operation this system must be retested in accordance wit
36. ms e Any other local national or installation requirements or standards WARNING Electrocution hazard All connections should be made with the power turned off Antistatic precautions This system contains static sensitive components Always ground yourself with a proper wrist strap before handling any circuits Caution When handling any electric components or printed circuit boards antistatic precautions must be followed Failure to do so may result in component damage Electrostatic discharge can be reduced by adhering to the following guidelines e Always use conductive or antistatic containers for transportation and storage if returning any item e Wear a wrist strap while handling devices and ensure that a good ground is maintained throughout the installation process e Never subject a static sensitive device to sliding movement over an ungrounded surface and avoid any direct contact with the pins or connections e Avoid placing sensitive devices onto plastic or vinyl surfaces e Minimise the handling of sensitive devices and printed circuit boards PCBs 8 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 2 Installation and configuration General installation guidelines The following is a brief set of guidelines on installing detectors e The detector should normally be mounted at a level where there is easy access to the RS 232 serial port for configuration and programming e The exhaust air
37. ns all of the available programmable functions For details about these functions refer to the appropriate manuals provided separately Remote Control Software User Manual e SenseNET Software User Manual To change one of the programmable functions go to the relevant tab make the change and then select lt OK gt to save the changes to the detector s internal firmware The following programmable functions are available e Time and Date e Alarm Levels e Alarm Delays e ClassiFire Override when optional Input Relay card is installed e Alarm Factor e LDD Enable e FastLearn Enable e Auto FastLearn Enable e ClassiFire 3D e Demo Mode e Day Start Night Start e Disable Day Night Switching e Remote Functions when optional Input Relay card is installed e Programmed Isolate e Latching Alarms e Latching Faults e Cascading Alarms e Device Type reference only e Firmware Version e Run time Hours e Watchdog Count reference only e Device Text e Reference Detector e Reference Enable e Reference Level e Reference Back off e Flow Rate reference only e Flow High Limit e Flow Low Limit 28 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 2 Installation and configuration e Flow Fault Delay Access Code e Chart Recording Rate e Separator Condition reference only e Separator Change Date e Factory Default e Reset e Real Time ClassiFire Viewer Histograms reference only
38. one check e Year three check e If years one and three are OK go to five year interval The detector employs 8 self monitoring automatically adjusting calibration for the system The inspection only requires a periodic visual inspection for a detector fault indication and performing the detector sensitivity test function LaserSense 100 Aspirating Smoke Detector Installers Handbook 43 Chapter 5 Maintenance If the self monitoring feature of the system senses that the operation of the detector head is outside its normal range a trouble condition will be generated Cleaning the detector The exterior of the detector should be cleaned as necessary Clean the detector with a damp not wet cloth Do not use solvents as these may damage the front panel label Caution Do not use solvents to clean the detector Use of solvents may cause damage to the detector Replacing the dust separator cartridge The only part that may require field replacement during servicing is the dust separator filter cartridge Its condition can be checked using the Dust Separator test in the Diagnostics menu of the Remote Control software or SenseNET software which gives a percentage reading of dust separator filter efficiency When this level drops to 80 the detector will signal a Separator Renew fault indicating that the dust separator cartridge needs to be replaced For more information refer to either the Remote Control Software User Manual or Sen
39. orts before securing If using a piped exhaust docking station be sure that the sampling and exhaust pipes are fitted into the relevant ports as shown in Figure 4 on page 10 Removing the front cover To remove the front cover unfasten the six attachment screws on the front of the unit The cover may then be removed Electrical installation The detector is supplied with removable terminal blocks Refer to Figure 3 on page 6 These may be removed from their sockets by lifting them up at right angles to the circuit board Take note of the orientation of each terminal block and its function before removing it It may also be beneficial to mark the connection wires with suitable identification labels or colored rings to aid in the connection process Each detector is supplied with a pair of RF suppression ferrite rings To ensure compliance with all relevant EMC requirements the conductors of each cable should be wound once around a ferrite as shown here before entering the relevant connector Power conductors should be on a separate ferrite but different forms of signal conductor e g RS 485 and relays can share the same ferrite There should be about 30 mm 1 1 4 in of wire between the end of the ferrite and the terminal block to give adequate stress relief To achieve this it is necessary to strip back the cable screen approximately 130 mm 5 in The screen should be terminated under the cable gland cap as shown in Figure 8 16 La
40. pipe Number of sampling holes 10 Worst case sampling hole sensitivity as indicated by PipeCAD 1 28 obs ft Alarm factor 1 Fire 1 alarm delay 0 seconds These settings gave satisfactory responses to the test fires in 120 seconds or better For the purposes of UL 268 compliance these should be regarded as worst case values Layouts should be planned in PipeCAD and the indicated worst case hole sensitivity should be better than 1 28 obs ft Commissioning smoke tests should be performed to ensure that the farthest sampling hole from the detector is capable of generating a fire alarm within 120s of receiving smoke The results should be verified at installation by entering the installed detector s Fire 1 sensitivity as indicated in the remote software histogram screen into the PipeCAD Options Calculation options Detector sensitivity field and recalculating the layout results vi LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 1 Product and component descriptions Summary This chapter provides descriptions of the detector features specifications and controls and indicators Content Introduction 2 Available software for the detector 2 Specifications 3 Indicators 4 Inside the detector 5 Removable terminal block connections 6 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 1 Product and component descriptions Introduction This detector is a highly sophistica
41. seNET Software User Manual It is recommended that dust separators be changed at an interval of not more than 3 years After replacing the filter the detector must be put into FastLearn mode to reset the filter condition reading As dust contained in the dust separators may expose maintenance personnel to a Nuisance Dust hazard as defined by the Control of Substances Hazardous to Health COSHH it is strongly recommended that suitable masks and protective clothing be worn when changing filters Note Used dust separator cartridges are not intended for reuse and should be discarded To replace the cartridge 1 Remove the six attachment screws which fasten the unit s front cover 2 With the front cover removed grasp the filter firmly and pull the filter out directly towards you 3 Properly dispose of the used cartridge 4 Insert the replacement filter cartridge such that the orientation of the Direction of flow arrow printed on the cartridge corresponds to the arrow on the Direction of flow label beside the filter slot 5 Slide the cartridge all the way into place 44 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 5 Maintenance 6 Replace the cover and secure with all six fastening screws and initiate a new FastLearn routine Figure 19 Location of dust separator cartridge 1 Dust separator filter cartridge LaserSense 100 Aspirating Smoke Detector Installers Handbook 45
42. serSense 100 Aspirating Smoke Detector Installers Handbook Chapter 2 Installation and configuration Figure 8 Looping relay connection wires around a suppression ferrite WARNING Electrocution hazard All connections should be made with the power turned off Power supply connections The power supply cable should be the shielded screened type and should be led through the metal cable gland provided leaving about 35 mm 1 1 4 in of the cable extending from the bottom of the cable gland Depending on the type of cable used it may be necessary to increase the diameter of the cable with sleeving or insulating tape to ensure that the cable is firmly held when the cable gland is fully tightened Note It is important to be aware of the orientation of the terminal block before removing it To connect the power supply 1 Remove the detector front cover and then detach the power supply terminal block located at the top left inside the detector Refer to Figure 2 on page 5 for a photograph of the detector with the front cover removed Refer to Figure 9 on page 18 for a detailed photograph of the power supply terminals 2 Detach the power supply terminal block 3 Connect 0 V and 24 VDC to the OV and 24V screw terminals respectively 4 Connect the shielded screened wire to the ground stud on the docking station 5 Connect a second wire from the Earth terminal to the docking station ground stud Figure 4 on page 10 shows the
43. system Scheduled maintenance The scheduled maintenance of the system should be performed at an established interval The interval between performance of maintenance procedures should not exceed any imposed regulations See NFPA 72 or other local requirements Local standards and specification requirements must be adhered to A typical maintenance plan is listed in Table 6 below Notes It is prudent to disconnect or isolate the detector from the fire panel during maintenance to prevent unintentional alarm activations The detector should be powered down during internal cleaning use an air duster can or dry air gun Table 6 Maintenance plan Step Procedure 1 Check detector wiring and pipework for damage Check original design is still valid e g changes due to building upgrades Check detector for contamination and clean if necessary Check maintenance logs for issues and rectify as appropriate AJOIN Check transport times against original records significant increases or decreases in transport times may imply damaged pipes or sampling holes that need clearing Isolate detector from fire panel if required Smoke test to check detector operation and Alarm relay connection Simulate a fault to check the Fault relay and connection Complete and file maintenance records ON OD 0 Reconnect detector to fire panel if required 42 LaserSense 100 Aspirating Smoke Detector Installers Handbook Chapter 5 Mainten
44. taken to keep the sampling pipe lengths and number of sampling holes on each pipe within 10 of the other This can be verified using the PipeCAD system design software Unused sampling pipe inlets should be fitted with pipe bungs Maximum length of sampling pipe used with the detector is 100 m in still air with 25 sampling holes or Capillary Remote Sampling Points This will provide a transport time from the end of the sampling pipe within 120 seconds If the protected area has airflow present the maximum permitted sampling pipe length will be reduced In areas or applications where the airflow rate exceeds 1 metre per second maximum sampling pipe length is reduced to 40 m In order for the installation to conform to EN 54 20 pipes must conform at least to EN61386 1 Class 1131 Note PipeCAD pipe modeling software must be used when designing a pipe network and verifying its performance Refer to the PioeCAD System Design and Installation User Manual or complete instructions on how to design and install an air sampling pipe network Always locate the sampling points in positions to which smoke may reasonably be expected to travel For example do not expect ceiling mounted sampling points to operate satisfactorily if air flow from air conditioning systems keeps the cool smoke from an incipient fire from reaching ceiling level In this instance it is usually better to locate the sampling pipe directly in the airflow for example across the r
45. ted next generation high sensitivity aspirating smoke detection product that provides all the benefits of air sampling high sensitivity smoke detection including very early warning Designed for easy installation and commissioning the detector incorporates a patented artificial intelligence known as ClassiFire which allows the detector to configure itself to optimum sensitivity alarm thresholds and minimum nuisance alarms for various environments The detector operates by drawing air from a protected space via a supervised piping network in relatively small areas The sampled air is passed through a dust separator filter to remove dust and dirt before entering the laser detection chamber State of the art electronics are used to analyse the sampled air and generate a signal representing the level of smoke present ClassiFire intelligence also monitors the detector chamber and dust separator for contamination continually adjusting the appropriate operating parameters to counteract the negative effects of any contamination Aspirating smoke detectors are unique in being able to provide a consistent level of protection in a very wide range of environments by continuously making minor adjustments to sensitivity The aspirating line of detectors detects difficult to detect slow growth electrical overload incipient fires in difficult environments Available software for the detector The Remote Control and the SenseNET software packages are avai
46. the installation this could be done before or after installation The detector sensitivity can be read from the Sensitivity figure on the histogram screen of the Remote Control software supplied with each detector Click Options gt Calculation options to open the Hole calculation options dialog box Enter the sensitivity value obtained from the practical test and then click OK The new calculated value will use the real sensitivity from the practical test LaserSense 100 Aspirating Smoke Detector Installers Handbook v The PipeCAD software will determine the classification of any used configuration Commissioning and periodic system tests must involve smoke tests to verify that the system performs as expected and enters Fire 1 alarm within the time determined by PipeCAD from the farthest hole The detector sensitivity must also be inspected to ensure it has not radically fallen from the installed figure If it has changed for any reason the new figure must be re entered into PipeCAD and the recalculated hole sensitivities must be confirmed to be within the class limits shown above The settings of a compliant system should be recorded as it is possible by changing certain programmable functions to make the system noncompliant If functions are changed it is recommended that the system is retested if continuing compliance is in any doubt UL 268 fire tests were passed with an installation as follows Total sampling pipe length 160 ft single
47. to the detector running either the Remote Control software or SenseNET programs Remote Control software Provided free of charge with every detector the Remote Control software package enables the user to set up and configure the programmable functions of one or more detectors or command module from a computer connected via an RS 232 serial cable Complete instructions on how to install launch and use the Remote Control software is provided in the Remote Control Software User Manual under separate cover SenseNET The SenseNET software is available for purchase SenseNET software can configure and manage a large network of detectors with a simple streamlined graphical user interface from a computer connected to a detector or command module via an RS 232 serial cable or RS 485 converter interface Complete instructions on how to install launch and use the SenseNET software are provided in the SenseNET Software User Manual under separate cover Note Since the detector does not include a front panel display or keypad programmable functions cannot be accessed via the unit itself LaserSense 100 Aspirating Smoke Detector Installers Handbook 27 Chapter 2 Installation and configuration Refer to Connecting to a PC on page 29 of this manual for instructions on how to connect a PC to the detector List of programmable functions In both the Remote Control and SenseNET software programs the tabbed Functions Settings window contai
48. ts of overheated PVC insulation can be detected by the detector Wire burner Test 1 optional The following test is considered unlikely to produce hydrochloric acid vapor This test may be undertaken in underfloor spaces or ceiling voids 1 Connect a 6 5 foot 2 meter length of wire to a 6 VAC source of at least 16 Amps rating per wire for a period of 3 minutes 2 The system will respond within 120 seconds following de energization After this period very little smoke is given off Notes e The wire is subject to cooling if positioned in direct contact with air flows and may need to be shielded e The wire cross section should be American Wire Gauge AWG 10 with the following diameter and area Diameter 2 59 mm or 0 10189 in Cross Section Area 5 0 mm or 0 00775 in Wire burner Test 2 optional WARNING The following test is considered to produce sufficiently high temperature to generate small quantities of hydrogen chloride or hydrochloric acid gas Be sure to keep a safe distance away while voltage is being applied Caution A wire burner canned smoke test could activate spot type detectors LaserSense 100 Aspirating Smoke Detector Installers Handbook 35 Chapter 3 Commissioning This test may be undertaken in underfloor spaces or ceiling voids where rapid airflow may render Test 1 unsuitable 1 Connect a 3 25 foot 1 meter length of wire to a 6 VAC source of at least 16 Amps rating per wire for a period of 1
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