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1. VESDA Introduction to the system Design Manual September 2007 Documen t Number 10270 _05 Part 30003 xtralis Introduction to the System Design Manual VESDA VESDA Introduction to the System Design Manual Intellectual Property and Copyright This document includes registered and unregistered trademarks All trademarks displayed are the trademarks of their respective owners Your use of this document does not constitute or create a licence or any other right to use the name and or trademark and or label This document is subject to copyright owned by Xtralis AG Xtralis You agree not to copy communicate to the public adapt distribute transfer sell modify or publish any contents of this document without the express prior written consent of Xtralis Disclaimer The contents of this document is provided on an as is basis No representation or warranty either express or implied is made as to the completeness accuracy or reliability of the contents of this document The manufacturer reserves the right to change designs or specifications without obligation and without further notice Except as otherwise provided all warranties express or implied including without limitation any implied warranties of merchantability and fitness for a particular purpose are expressly excluded General Warning This product must only be installed configured and used strictly in accordance with the General Terms and Condi
2. VESDA LaserSCANNER VLS The VESDA LaserSCANNER Detector can be connected to four pipes that may be further branched into two The Laser SCANNER Detector can identify the pipe which introduces the smoke and will monitor and report on the progress of the occurrence for the relevant sector in the protected area The LaserSCANNER Detector has four Alarm Thresholds For further details see the VESDA LaserSCANNER Product Manual Figure 4 VESDA LaserSCANNER Detector VESDA LaserCOMPACT VLC The VESDA LaserCOMPACT is connected to one pipe that may be branched into two The LaserCOMPACT has three Alarm Thresholds For further details see the VESDA LaserCOMPACT Product Manual Figure 5 VESDA LaserCOMPACT Detector VESDA Introduction to the System Design Manual VESDA LaserFOCUS VLF The VESDA LaserFOCUS is connected to one pipe that comes with a number of preconfigured pipe layouts The LaserCOMPACT has four alarm thresholds For further details see the VESDA LaserFOCUS Product Manual VESDA LaserFOCUS Figure 6 VESDA LaserFOCUS Detector An aspirator in each detectors draws air through the pipe network into a pipe inlet manifold to a two stage air filter cartridge The two stage air filter cartridge filters the sampled air which then flows on to the laser chamber Most of the filtered air sample is used to detect the presence of smoke the remaining air is used to protect the optical surfaces in the laser cha
3. ealing of relays used on the detector Relays used on the detector are marked TX2 5V G6S 2 5V or EC2 5NU VESDA detectors must not be connected or disconnected to a PC while the equipment is powered in an FM Division 2 hazardous classified location defined by FM 3611 FM Approved Applications The product must be powered from VPS 100US 120 VPS 100US 220 or VPS 220 only ONORM F3014 ONORM F014 transport times for all tubes including capillaries must not exceed 60 seconds from any hole This means that the pre designed pipe networks that include capillaries cannot be used AS1603 8 The performance of this product is dependent upon the configuration of the pipe network Any extensions or modifications to the pipe network may cause the product to stop working correctly You must check that ASPIRE2 approves alterations before making any changes ASPIRE2 is available from your VESDA ASD distributor AS1851 1 2005 Maintenance Standards Wherever this document and the AS1851 1 differ AS1851 1 should be followed in preference to this document European Installations The product must use a power supply conforming to EN54 Part 4 Document Number 10270_05 Part Number 30003 VESDA Introduction to the System Design Manual Contents SCOPC A A E EA da cen A pete bs eb ae canny E T T 1 MIMO UICUIOMN sssi aa EEE eee cei oe and oan oat A 1 Introduction to Aspirating Smoke Detection csseccessccessseeeneeeee
4. equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception the user is encouraged to try to correct the interference by one or more of the following measures re orientate or relocate the receiving antenna increase the separation between the equipment and receiver connect the equipment to a power outlet which is on a different power circuit to the receiver or consult the dealer or an experienced radio television technician for help FDA This VESDA product incorporates a laser device and is classified as a Class 1 laser product that complies with FDA regulations 21 CFR 1040 10 The laser is housed in a sealed detector chamber and contains no serviceable parts The laser emits invisible light and can be hazardous if viewed with the naked eye Under no circumstances should the detector chamber be opened FM Hazardous Applications 3611 Hazardous Approval Warning Exposure to some chemicals may degrade the s
5. k design and installation Introduction to the System Design Manual VESDA The versatility of the VESDA Aspirating Smoke Detection System means that it can be successfully used in a diverse range of industry sectors and application environments For information on designing systems to meet the requirements of a specific application environment contact your nearest VESDA Laser Detector Sales Office for copies of the Application Design Guides 1 4 Introduction to Obscuration Smoke obscuration is the effect of smoke on visibility It is the most widely accepted measure for expressing the concentration of smoke and refers to the percentage of light that is blocked or obscured over a specified length meter foot Increase in obscuration levels decreases visibility hence an obscuration of 10 obs m 3 13 obs ft will reduce visibility to 90 Typically pure oxygen has an obscuration rate of 0 obs m 0 obs ft At 0 01 obs m 0 003 obs ft visibility levels are in the order of approximately 40 Km Incipient smoke invisible to the naked eye in ordinary conditions has an obscuration range of 0 1 obs m to 1 obs m 0 03125 obs ft to 0 3125 obs ft The figure below shows the relationship between increase in obscuration and decrease in visibility Obscuration is used to define the sensitivity level of a smoke detector The alarm sensitivity range for VESDA laser detectors can begin at 0 005 obs m 0 0015 obs ft allowing detection of s
6. mber The laser chamber can detect smoke at minute levels of obscuration If smoke is detected it is reported through the CPU card to the display assigned to the detector Presence of smoke can also be displayed on a LCD Programmer or through a VESDA PC Software The detector can be configured to raise alarms at different levels and or report events through a Fire Alarm Control Panel FACP VESDA PC Software VESDA PC Software has been developed to configure manage and maintain a VESDA Laser System The software packages allow varying degree of functions to the System Communications Network VESDA Laser System communicates over a fault tolerant bidirectional VESDAnet communications network Each VESDA Laser Product in the system is connected to VESDAnet Details on VESDAnet can be found in the VESDA Communications Guide Zone 5 l E Zone 3 Zone 4 Figure 7 An example of VESDAnet Introduction to the System Design Manual VESDA Connecting the VESDA Systems to External Systems The VESDA Laser System can be integrated to external Fire Alarm Control Panels and other building management systems to raise pre alarm and alarm conditions action automatic emergency procedures and shut down ventilation systems It can also be integrated into an automatic fire suppressant release system Approvals VESDA Laser Products have been approved by all internationally recognized approvals agencies Following is a listing of the approval
7. moke at the incipient stage from overheating wires or equipment A em Ear 3 3 m 6 6 m 10 m 13 m 1 ft 2 ft 3 125 ft 4 ft Figure 2 Relationship between increase in obscuration and decrease in visibility VESDA Introduction to the System Design Manual 1 5 Introduction to the VESDA Laser System The VESDA Laser System incorporates a network of pipes detectors and supporting devices and a communications network It is a versatile modular system that can be designed to meet site specific requirements The system can be broadly divided into e Pipe Network e Laser Detectors e Software Communications Network The System Design Manual also covers topics such as Commissioning Troubleshooting and Accessories Pipe Network Each detector is connected to a pipe network The pipe network collects air samples through sampling holes from a designated protected area and transports the sample air to the detector The VESDA Pipe Network Design Guide and the VESDA Pipe Network Installation Guide explain in detail the design and installation requirements for an efficient pipe network Laser Detectors There are four standard detectors VESDA LaserPLUS VLP The VESDA LaserPLUS detector can be connected to four pipes each of these can be further branched into two For further details see the VESDA LaserPLUS Product Manual Figure 3 VESDA LaserPLUS Detector Introduction to the System Design Manual VESDA
8. products and have made your own independent assessment of the fitness or suitability of the products for your purpose You acknowledge that you have not relied on any oral or written information representation or advice given by or on behalf of Xtralis or its representatives Total Liability To the fullest extent permitted by law that any limitation or exclusion cannot apply the total liability of Xtralis in relation to the products is limited to i in the case of services the cost of having the services supplied again or ii in the case of goods the lowest cost of replacing the goods acquiring equivalent goods or having the goods repaired Indemnification You agree to fully indemnify and hold Xtralis harmless for any claim cost demand or damage including legal costs on a full indemnity basis incurred or which may be incurred arising from your use of the products Miscellaneous If any provision outlined above is found to be invalid or unenforceable by a court of law such invalidity or unenforceability will not affect the remainder which will continue in full force and effect All rights not expressly granted are reserved Document Conventions The following typographic conventions are used in this document Convention Description Bold Used to denote emphasis Used for names of menus menu options toolbar buttons Italics Used to denote references to other parts of this document or other documents Used for the res
9. s received for some VESDA Laser Products UL Underwriters Laboratories SSL Australia CSIRO Australia FM Factory Mutual ULC Underwriters Laboratories Canada LPC Loss Prevention Council United Kingdom VdS Germany NTC Mainland China CSFM California State Fire Marshall New York MEA AFNOR France SMA C tick CE Mark For details on the approvals visit the VESDA web site at www vesda com VESDA Introduction to the System Design Manual Index A O ASDA eu te a a 1 ODSCULALIONNS 3 Sieciuvs vedo iiee hes Sec Bes 2 Aspirating Smoke Detection 1 S C SOMWANC eeii onioni insa E aee EErEE 5 Contact US ii caincdadccicciec caters vicessadateaiornsans iv CONVENTIONS ccceecceecseeeeceeeeeeeeeeees jii V D VESDA LaserCOMPACT 000 c 00eee 4 VESDA LaserFOCUS 0 0cceeeeeeees 5 Detectors sensitivity cceeeeeees 1 VESDA LaserPLUS 0 cceeeeeeeeeees 3 MEG rechten eg Seaeuen ce vtane TT 4 VILF tidewscidivicstaviscidecsdad ews seteccadaeivevisivers 5 MEP 2 cade catia tenia a sh 3 Introduction to the System Design Manual VESDA
10. seeeseeseeeeseeeeseseeeeeeseeessneenenseaees 1 Introduction tO ODSCULatION cseccceseeeeseeeeeeeeeeeesaeseseneeensaesesaeeenseeeeseaaeseseeeeseeeesaseaesenseeeessaeeeneneees 2 Introduction to the VESDA Laser System ccccssccceseeeeeseeeseeeeeeeeeesseaeseneeeeeseaeseeseeeeeeneeesneanensenees 3 Pipe Network sarder aea alienate atten bei ahah thet las teeth abe vials 3 Laser DeteGtOrs tise ctecatte A ties sleet cay A E 3 VESDA PG SOfWAMre aseos npin ArT EAE S AA R AAA AREE thbaaylebeeesiventabesbeay ccs 5 Communications N twork ccccccceccecceecseceececseeceeeeecsneeeeeesceeeeeeeecseeaeeeesceneeeeesseeneaeeeesseeaaeess 6 Connecting the VESDA Systems to External Systems ceccececeeeeeeeeeeeeeeeaeeseeeeeeeeeaeeeeaes 6 KAOOTILISE sercnfsctetics sisters A EA A AT 6 vii Introduction to the System Design Manual VESDA viii VESDA Introduction to the System Design Manual 1 1 1 2 1 3 Scope The System Design Manual provides an overview of the VESDA Laser Detection Systems It briefly explains concepts of Aspirating Smoke Detection and Smoke Obscuration This manual is written for those involved with the management and purchase of VESDA Laser systems consultants specifiers and any one requiring an overview of the VESDA Laser Detection Systems Introduction The VESDA Laser System is an Aspirating Smoke Detection ASD System capable of detecting smoke at low obscuration levels This enabling detec
11. tion of smoke at the incipient stage VESDA Laser Systems are successfully operating in applications ranging from ultra clean to harsh dirty environments The laser detectors have a variety of alarm levels The thresholds for each alarm level can be set to suit specific site conditions Conventional Detectors VESDA VESDA ALERT ACTION FIRE 1 VESDA FIRE 2 Fire Suppression Used Figure 1 Detectors sensitivity to detect smoke at various stages of a Fire Introduction to Aspirating Smoke Detection An Aspirating Smoke Detection System such as the VESDA Laser System incorporates a network of pipes with sampling holes continuously collecting air samples from the area being protected The sample air in the pipe network is drawn to the detector by a high efficiency aspirator The detector can detect minute concentrations of smoke this is expressed as obs per meter or foot The success of an ASD system is dependent upon the smoke reaching the sampling holes and being efficiently transported to a detector A well designed pipe network takes into account the natural and mechanically induced airflows within a customer site to ensure that air travels in the direction of the sampling holes The length of the pipe and the number of changes in direction of the pipe will impact on the efficiency of an ASD System Refer to the VESDA Pipe Network Design Pipe Network Installation and the ASPIRE2 User Guide for information on proper pipe networ
12. tions User Manual and product documents available from Xtralis All proper health and safety precautions must be taken during the installation commissioning and maintenance of the product The system should not be connected to a power source until all the components have been installed Proper safety precautions must be taken during tests and maintenance of the products when these are still connected to the power source Failure to do so or tampering with the electronics inside the products can result in an electric shock causing injury or death and may cause equipment damage Xtralis is not responsible and cannot be held accountable for any liability that may arise due to improper use of the equipment and or failure to take proper precautions Only persons trained through an Xtralis accredited training course can install test and maintain the system Liability You agree to install configure and use the products strictly in accordance with the User Manual and product documents available from Xtralis Xtralis is not liable to you or any other person for incidental indirect or consequential loss expense or damages of any kind including without limitation loss of business loss of profits or loss of data arising out of your use of the products Without limiting this general disclaimer the following specific warnings and disclaimers also apply Fitness for Purpose You agree that you have been provided with a reasonable opportunity to appraise the
13. ult of an action The following icons are used in this document Convention Description Caution This icon is used to indicate that there is a danger to equipment The danger could be loss of data physical damage or permanent corruption of configuration details Warning This icon is used to indicate that there is a danger of electric shock This may lead to death or permanent injury Introduction to the System Design Manual VESDA Warning This icon is used to indicate that there is a danger of inhaling dangerous substances This may lead to death or permanent injury Contact Us The Americas 1 781 740 2223 Asia 8 52 2297 2438 Australia and New Zealand 61 3 9936 7000 Continental Europe 41 55 285 99 99 UK and the Middle East 44 1442 242 330 www xtralis com Codes and Standards Information for Air Sampling Smoke Detection We strongly recommend that this document is read in conjunction with the appropriate local codes and standards for smoke detection and electrical connections This document contains generic product information and some sections may not comply with all local codes and standards In these cases the local codes and standards must take precedence The information below was correct at time of printing but may now be out of date check with your local codes standards and listings for the current restrictions FCC Compliance Statement This

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