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Maintenance Guide

1. lu uu 5e d ti 19497 SYOUWIS sse Suegu luIelN uone rddy jesidAy juawede das s lli 1011 JUSWIUOJIAUJF popuswwosay yoye Aew ey SJ0 DE4 popuswiwosay Document No 10256 07 28 VESDA Maintenance Guide Appendix C Example Of A Typical Maintenance Log Customer Date of visit Site Technician s name Service company name Address Phone number Visit type scheduled fault call out annual test circle appropriate visit VESDA detector type Detector serial no Detector location Before you record any more information 1 Record airflow use table below Have you done the following 2 Download and save event log via VSC Yes No 3 Download and save configuration file via VSC Yes No 4 Give a copy of event log and configuration file to site manager Yes No Flow before actual Flow after actual Pipe 1 Pipe 1 Pipe 2 Pipe 2 Pipe 3 Pipe 3 Pipe 4 Pipe 4 Detector faults present Actions to fix Parts replaced Clean pipes filter Yes No pipe flush Yes No others in pipe sampling holes Yes No capillaries Yes No Comments Document No 10256 07 29 Maintenance Guide vespA 30 reviewed service history Yes No checked power supply UPS
2. L Aaaa U u YAA 9 6 A aliestIin gua uuu au al eed sok ce eed a a LLL Ra RA D S scbiees 10 6 1 Detector tests ine ee Gl ee i ei 10 6 2 System fire panel notification 16515 11 7 Replacing detector 165 55 5 11 7 1 Replacing LaserPLUS and LaserSCANNER filter cartridges 11 7 2 Replacing the LaserCOMPACT filter cartridge a 12 7 3 Replacing the LaserFOCUS filter cartridge isa il l 13 7 4 Replacing LaserPLUS and LaserSCANNER 5 5 14 7 5 Replacing LaserPLUS and LaserSCANNER aspirators 17 7 6 Replacing the LaserCOMPACT 2 19 7 7 Replacing the LaserFOCUS a 20 7 8 Replacing LaserPLUS and LaserSCANNER termination cards 21 7 9 Replacing the LaserCOMPACT termination card 22 7 10 Replacing LaserPLUS and LaserSCANNER detector modulses 23 7 11 Inspecting and cleaning LaserSCANNER valves 1 23 Appendix A Laser Products Parts 1 55 5
3. SN UM SoUEPJO00E ul OOL OL 1 uolleoljissejoc WOOY ue O SE uons ss ullue o Jo SPIEPUEIS ysy o Anons POWY SJON Vd3H ulm A lensn p uonpuo ire n 6eye ou Aous pue pasojoue Ajjn4 sn Jo suonepu uuuio5 ti Aouonbay 1uSwWaoejda 1911 199jJE Aew yey 510106 4 Sueu luIelN pepuswwosey Aouanbaug lu uu 5el d ti 1011 p pu ululos H 19497 punosbyoeg uonesijddy jesidAy SSE D JUSWUOLIAUJ 1 Ju uu OSe ld 1 s lli pue upu lulPul jeu 10 s l5u nb 1ui p pu ululoo H q xipu ddy 27 Document No 10256 07 vespA Maintenance Guide epewd uBiu ul auinbei Ae ase sis SYOUIS yen upildulo2 ainsua o suonein6 pue SPJEPUEIS p dol A p 0 suluouu auljepInb jUSUWaoe da1 1 dojanap 0 suluouu 5 Allo Bulpjam axa JUSUWISISE YONS JUSWUOIIAUS ISNP ulJ JO S pO2 e90 0 1 J 1 9 0 6154 OU 10 9 0 1Sul OY 10 uBiu sseooid 3AIS01100 5 095800 se uons seseg Yebeuey YSIH YIM ynsuog J8S0 O JONUOW J8sS0 O p upA uoneBiuuni se nBay suonl l p uu 4i x3 pue uBiH ulullA S Allensn yeio ds 9 sn Jo suonepu ululoo Mu
4. 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 F3014 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 10256_07 Part Number 30010 VESDA Product Maintenance Guide VESDA Maintenance Guide T Introduction 25 eee 1 Lil Scope 0000000000 0000 00000 00 1 1 2 Maintenance guide brief outline U U u u 1 1 3 Maintenance overview Who amp When a 1 1 4 Important pre maintenance preparations 2 1 5 Maintenance
5. Retaining clip points B C Aspirator D E Fan loom connector must be disconnected here Figure 12 Replacing the aspirator in a VLF detector 7 8 Replacing LaserPLUS and LaserSCANNER termination cards Important Note Disconnect the detector power supply before commencing replacement of the termination card Only reconnect the 24 VDC power supply once the replacement termination card is secured Follow the instructions below to replace the VLP or VLS termination cards 1 2 Mark out the wire positions on each terminal socket before removing them Remove all terminal plugs C from sockets leaving the wires attached to the plugs refer to Figure 13 below Remove the 10 wire and 13 wire cable looms from their socket B in Figure 13 below Remove the five Phillips head screws A in Figure 13 below Remove the termination card Attach the Termination Card with five Phillips head screws A Reattach the 10 wire and 13 wire cable looms to the sockets B The connectors can only be inserted into the socket one way Turn the connector around if the connector does not fit into its socket Reconnect the terminal plugs to their sockets ensuring the plugs are connected to their correct socket C Document No 10256_07 21 22 Maintenance Guide vespA ID DO OG OM DO O D 0 DD DDO DODO Figure 13 Replacing VLP VLS head terminatio
6. 3 Compare the raw airflow against previous historical data Note Progressive decreases in the raw airflow readings may indicate a blockage developing inside the sample pipe network An unexpected reduction of airflow over an extended period of time may indicate that pipe cleaning is urgently required Record separate raw airflow results for each sample pipe When comparing successive raw airflows ensure that the values compared are for the same sample pipes and check that the pipe network has not changed recently The VLF measures flow in liters per minute not raw airflow unless it has a VESDAnet card in which case it displays a value that when divided by 100 equates to an airflow in liters per minute Refer to the VSC online help for information on how to obtain current raw airflow data for VLP VLS and VLC products 2 7 Checking the filter When checking the filter compare the date of installation on the filter label with the recommendations in Appendix B Recommended frequencies for general maintenance and filter cartridge replacement on page 27 If in doubt replace the filter with a new one and record the date on its label Important Note Serious smoke events such as those indicated by Fire level alarms can also affect the life expectancy of filter cartridges Filter cartridges should be replaced after all actual fire events 6 Document No 10256_07 VESDA Maintenance Guide 3 Power supply maintenance The VESDA laser
7. VESDA Maintenance Guide July 12 2007 Documen t Number 10256 07 Part Number 30010 4 xtralis VESDA Product Maintenance Guide 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 Conditions User Manual and product documents available from Xtralis All proper health
8. a hand held programmer could also be used for this purpose Vacuum cleaner Air compressor Spare parts refer to Appendix A Laser Products Parts List on page 25 Records for commissioning and a maintenance history Maintenance logs or record sheets The original ASPIRE2 design file and commissioning history optional 2 3 Determining a maintenance schedule The background smoke readings recorded in the VESDA detector event log provide a representative value for the protected environment Use of these logs allows the recommended filter replacement frequency to be calculated a maintenance program developed and a maintenance schedule determined VSC can be used to access the event log to determine the average background smoke level Average smoke levels over a 15 minute period minimum where conditions should reflect the typical operating area provide enough data to determine the environment type For clean environments the significant smoke change will need to be set to 0 005 obs m 0 001596065 ft for the test period Remember to return this setting to its original value once the test is completed Important Note The following steps do not represent a complete list of instructions You must also refer to the sections of this manual specific to the various types of VESDA detector To determine an appropriate maintenance schedule follow the instructions listed below 1 Ensure that detectors are isolated
9. 4 Document No 10256_07 VESDA 10 19 20 21 22 23 24 Maintenance Guide Optional proceed with this step if there is a low flow fault a noisy aspirator excessive or noticeable dust around the exhaust Remove the detector aspirator refer to Replacing LaserPLUS and LaserSCANNER aspirators on page 17 or Replacing the LaserCOMPACT aspirator on page 19 and blow it out with compressed air Make sure that it is cleaned well away from the detector The aspirator can collect a significant amount of material in dusty environments cleaning with compressed air 400 KPa may produce a large quantity of dust Remove the filter and clean any visible dust around it Reconnect all pipes Re assemble the detector aspirator and filter Turn the power supply back on Allow the VESDA detector to operate for 15 minutes still in isolate disable mode View any faults present and take the appropriate action to fix them After allowing the detector to operate in a stable and correct state for 15 minutes review the event log to monitor the background smoke level Check this value against the Environment Class Appendix B Recommended frequencies for general maintenance and filter cartridge replacement on page 27 to determine the next scheduled maintenance period Set the filter timer to reflect the correct environment Compare the background smoke level with that recorded during previous maintenance visits While the background
10. 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 Product Maintenance Guide VESDA Warning This icon is used to indicate that there is a danger of electric shock This may lead to death or permanent injury 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 852 2297 2438 Australia and Nevv Zealand 61 3 9936 7000 Continental Europe 41 55 285 99 99 UK and the Middle East 444 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 equipment has been tested and found to comply with the limits for a Class B digital device pursuan
11. Note Sites vvith dirty environmenis vvhich require very regular sample pipe and sample hole cleaning should consider installing automated equipment to assist vvith regular cleaning schedules 8 Document No 10256 07 VESDA Maintenance Guide 4 4 Cleaning capillary tubes We suggest that capillary tubes be cleaned at least once every two years This is a recommended interval for environment classes 1 amp 2 but your system environment will have an effect on how often capillary tubes require cleaning refer to Appendix B Recommended frequencies for general maintenance and filter cartridge replacement on page 27 The scheduled period should be reduced to suit harsh site environments Cleaning may be required to remove any dust build up and to ensure that the capillary tubes are not blocked To clean capillary tubes follow the instructions below Ensure that detectors are isolated from the monitoring panel and fire suppression systems Notify the relevant authorities that work is being performed Check and record the current airflow for before and after comparison Disconnect the detector power supply Remove all pipes from the detector inlet s and exhausts then cover them to ensure that no further dust can enter the detector Remove the capillary tubes from the sample pipe and unscrew the sampling end pieces if applicable 7 Clean out the capillary tubes and sampling end pieces with a vacuum cleaner or compressed air source
12. Record results Xtralis recommends that you photocopy the sample maintenance log in Appendix C Example Of A Typical Maintenance Log on page 29 and record all results on the copy Store the log in an appropriate known location on site 11 Compare all results to previous recorded tests Ensure that there is no degradation in performance If a noticeable change is observed maintenance of the detector and or sample pipe network may be necessary 12 Schedule next visit Determine the appropriate time for the next site visit by referring to Appendix B Recommended frequencies for general maintenance and filter cartridge replacement on page 27 po 6 2 System fire panel notification tests Your detector alarm and fault tests should register on the monitoring system vvithin a time frame consistent vvith local standards System notification results should be recorded in the detector maintenance log 7 Replacing detector components 7 1 Replacing LaserPLUS and LaserSCANNER filter cartridges The service interval of an air filter depends upon the environment You can use the LCD Programmer or VESDA PC Software guides to change the service interval for filters The system will generate a minor fault when the filter has reached 80 and an urgent fault when it reaches 120 of its capacity We recommend that the installation date and replacement date be written on the air filter cartridge label as a physical reminder of when the next service is expect
13. VLS detector 2 Press and hold down the Silence Scan button on the front of your VLS detector The valve scan test will start If your VLS does not have a Silence Scan button use your PC and VESDA System Configurator VSC to start the valve scan test step 3 to 6 Logon to VSC Select the VESDA Laser Scanner detector from the Device Tree Select Device from the Main Menu Select Start Manual Scan Test A dialogue box confirms that you wish to proceed with the test Select Yes to continue 7 Once the valve scan test is complete look inside the inlet ports to see that the valves are periodically opening and closing Also look for evidence of a build up of dirt 8 dirt is found you will need to remove the chassis before flushing the valves Refer to Replacing LaserPLUS and LaserSCANNER chassis on page 14 for details 9 Remove the air inlet manifold and clean it with compressed air The manifold is sensitive so do not clean with more than 87 KPa 6 bar compressed air 10 Once clean reassemble the detector and perform a test to ensure system integrity OO Pe fO Document No 10256_07 23 24 Document No 10256 07 VESDA Maintenance Guide Appendix A Laser Products Parts List Category Part number Description VLP VSP 000 Blank plate non EMC painted with VESDA logo VSP 001 Programmer Module VSP 002 Display Module VSP 005 Filte
14. ar Two Check Detector amp Filter See Recommended VESDA Maintenance Period amp Filter Cartridge Replacement Frequency Appendix B Check Power Supply v Inspect Pipe Network yx Check Air flow per pipe yx Perform System Integrity Smoke yx Test Clean Sampling Points S Flush Pipe Network vi Note The above table only applies to clean environments f local codes and standards for the site require more frequent maintenance their guidelines must override those suggested in this Maintenance Guide Maintenance schedules may also vary according to operating conditions Sample pipe flushing and the cleaning of sample holes should be conducted as frequently as required by the detector type and environment 2 Detector maintenance 2 1 Maintenance considerations Before beginning system maintenance the important considerations are as follows Whatl will the maintenance schedule be What maintenance procedures will be required What unscheduled maintenance needs may arise 2 Document No 10256 07 VESDA Maintenance Guide 2 2 Equipment required In order to properly maintain the VESDA system you will require the following equipment Phillips head screwdriver 1 length 90 mm minimum for filter replacement Phillips head screwdriver 2 for removing all detector covers PC with VSC and a High Level Interface HLI HLI model number VHX 0200 or VHX 0210 Xtralis recommends the use of VSC and a HLI However
15. detector must have the power turned on when the air filter cartridge is being replaced The procedure and diagrams outlined below provide the steps to be followed when replacing the air filter cartridge in the VESDA LaserCOMPACT VLC detector 1 2 3 12 Open the front cover Locate the air filter cartridge A inside the detector compartment as indicated in Figure 2 below Undo the recessed phillips head filter screw B in Figure 2 below Lift out the air filter cartridge Document No 10256 07 VESDA Maintenance Guide N J N 1 Figure 2 Replacing the air filter cartridge in VLC detectors on Insert a new air filter cartridge A in Figure 2 above 6 Tighten the filter screw B in Figure 2 above 7 Reset the filter counter by connecting a LCD programmer or a PC with VSC software to the programming socket 8 Using a PC only applicable to RO version or a PC with a PC Link HLI Applicable to VN version only reset the filter by entering your user level and PIN number to Log ON to the detector then Initiate the Reset Filter Settings command located under the device menu 9 Close up the detector 7 3 Replacing the LaserFOCUS filter cartridge The VESDA LaserFOCUS VLF detector uses a disposable dual stage air filter cartridge This filter removes dust contamination from sampled air and provides a clean a
16. from the monitoring panel and suppression systems 2 Notify the relevant authorities about the work to be performed and the risks associated with isolating a VESDA address 3 Ifa filter fault is displayed the current filter is older than the recommended filter replacement frequency Replace the filter according to the detector s guidelines making sure that you write the date of replacement on the label and take measures to order stock VSP 005 for the next replacement date For detector specific filter replacement instructions refer to Replacing LaserPLUS and LaserSCANNER filter cartridges on page 11 Replacing the LaserCOMPACT filter cartridge on page 12 and Replacing the LaserFOCUS filter cartridge on page 13 The color codes for the dates of filter manufacture are given in Table 2 Table 2 Color codes for filter date of manufacture Color Date Yellow July 2006 Green July 2004 Orange July 2000 Blue July 1997 Document No 10256 07 3 Maintenance Guide vespA 4 Check for and record any detector faults 5 Prior to downloading the smoke event log use VSC to check the significant smoke change setting If it is still at the factory default value of 0 02 obs m 0 0063 obs ft or some other value record it then change it to 0 005 obs m 0 0015 obs ft 6 Bun the detector for 15 minutes minimum longer is recommended in very stable or clean environments 7 Download and save the event log for comparison o
17. schedule 2 U R YY 2 2 Detector maintenancoe U U u u u J u 2 2 1 Maintenance considerations U uu u 2 2 2 Equipment required cececccceecesccceeeeeeeeceeeeeeseeceeeeeseeaeeeesaaaeaseeeesaaeeeeeessaeeadeesnseeedeeenseeeeenenees 3 2 3 Determining a maintenance schedule U 3 2 4 Maintenance 5 direia iiitr eiri aiiai TAEKE EENET AAE 4 2 5 Unscheduled U U U 5 2 6 Checking allow uu u u ini teed oe Ra LG ca A s 6 2 7 Ghecking the filter22 u ua l 6 3 Power supply maintenancoces aaa J T J 7 4 Sample Pipe Network maintenancoe U U u u uu uu uu u 7 4 1 Important pre maintenance preparations U 7 4 2 Cleaning sample pipes venn nrnnnnnnennnr arna nnnnnrrnenannnennnnrnnennnnenenrreennrnesenneeenn 7 4 3 Cleaning sample holes a 8 4 4 Cleaning capillary tubes u 9 5 Post maintenance testing
18. the Exhaust Pipe Elbow and Aspirator Reattach the exhaust pipe elbow and filter card assembly A to the aspirator B exhaust outlet as shown in Figure 10 above Wipe the manifold outlet flange surface if dirty Slide the aspirator between the fingers until fingers lock over aspirator Check that the aspirator does not come off when lifted Reconnect the aspirator cable loom to the cable socket on the HPC Secure the HPC to the chassis ensuring that the card locks under the plastic fingers Place the insulating sheet over the HPC and secure it with the screw Re attach the air filter cartridge Re connect the cable loom to the module on the front panel Check that all wires are secured to the connectors or terminals Power up the detector and check the aspirator is running Document No 10256 07 VESDA Maintenance Guide 21 Close the detector refer to Figure 4 Removing the VLP or VLS front cover for chassis replacement on page 15 7 6 Replacing the LaserCOMPACT aspirator Aspirators in VESDA LaserCOMPACT VLC detectors are replaced as follows Isolate and power down the detector Remove the four screws securing the termination card Disconnect the aspirator cable loom from the connector on the aspirator Gently pull the termination card out away from the interface card connected behind Take care not to dislodge any wires connected to the termination card and leave it suspended by these wires Remove the air
19. the disabled LED will flash more slowly Undo the recessed retaining screw C and pull out the old filter B in Figure 3 below Legend A Field service access door Dual stage air filter cartridge B C Retaining screw D Filter switch Figure 3 Replacing the air filter cartridge in a VLF detector Using your finger firmly press the filter switch D in the filter recess of the detector 5 times within 5 seconds to confirm with the detector that a new filter is about to be installed see inset A LED next to the serial interface will flash each time you push the filter switch and will continue flashing once you have successfully pressed the switch 5 times in 5 seconds Insert the new filter VSP 005 and tighten the retaining screw Press the Disable button for 6 seconds to return the detector to normal operating mode Record the filter replacement date on the filter Close the field service access door 7 4 Replacing LaserPLUS and LaserSCANNER chassis You must disassemble the VESDA LaserPLUS VLP or VESDA LaserSCANNER VLS detectors before replacing their chassis as follows 14 Document No 10256 07 VESDA Maintenance Guide 1 Isolate the detector by pressing the isolate button on the zone configured display or by selecting Isolate Zone from the Zone menu in VSC or VSM4 This isolates the output from the detector to a fire alarm panel or monitoring system 2 Save Node Confi
20. 527 25 Appendix B Recommended frequencies for general maintenance and filter cartridge replacement 2 a aaa u J 27 Appendix C Example Of A Typical Maintenance Log 29 Document No 10256_07 Maintenance Guide vespA Document No 10256_07 VESDA Maintenance Guide 1 Introduction 1 1 Scope This Maintenance Guide provides essential information for service personnel maintaining VESDA laser detector systems It includes suggestions for a maintenance schedule and instructions on servicing the different VESDA detector components Knowledge about local fire regulations electrical codes and standards is assumed Anyone responsible for maintenance should possess this knowledge Important Note Xtralis strongly recommends that all persons who install commission service and or maintain VESDA systems attend the VESDA accreditation training Please contact your local Xtralis office for more information 1 2 Maintenance guide brief outline The information presented in this Maintenance Guide is arranged into the following sections Section 2 describes how to determine an appropriate maintenance schedule and maintenance procedures for VESDA detectors Section 3 describes how to maintain the power supply Section 4 describes how to maintain the sample pipe network Section 5 provides information on pos
21. Visually check that each part has a clear air path 9 Reassemble the sampling end pieces if applicable and connect them to the capillary tubes 10 Reconnect the capillary tubes to the sample pipe network ensuring that there are no kinks If the sample pipe network is also to be flushed do not reconnect the capillary tubes until this has occurred 11 Compare the before and after flow rates Ideally the flow should be close to 100 for each used pipe If this is not the case the pipe network and detector may need closer inspection 12 f the sample pipe network appears to be OK continue with any remaining maintenance tasks to determine the cause of reduced airflow 13 Once the system has been serviced cleaned tested and is operating fault free return it to its normal operating mode Os OV Gd LE po Note Sites with dirty environments which require very regular capillary tube cleaning should consider installing automated equipment to assist with regular cleaning schedules 5 Post maintenance testing Post maintenance tests should be performed after a maintenance visit to determine whether the system is functional Take the appropriate measures to ensure that this testing does not result in unwanted intervention from response systems for example suppression Consult your local code guidelines to establish the following The minimum testing required per sample pipe The appropriate alarm threshold per sample p
22. Yes No checked battery backup Yes No checked battery charging Yes No tested fire alarm and fault notification at detector Yes No tested fire alarm and fault notification at monitoring system Yes No compared current results to commissioning data Yes No returned the system to normal operation mode Yes No Record any other activities undertaken Circle the detector s environment class 1 2 3 5 6 Record filter replacement frequency months Exp Date Record detector maintenance period months Next visit Signatures Technician Site Manager Date Date Document No 10256_07
23. all possible causes of the fault For further information refer to the VESDA Troubleshooting Guide in the System Design Manual or visit www xtralis com vesda Document No 10256 07 5 Maintenance Guide VESDA 2 6 Checking airflow Every time you visit a site it is recommended that you check and record the airflow in each sample pipe The current percentage airflow readings indicate any changes in airflow percentage since the last airflow normalization These readings may not indicate the absolute increase or decrease in airflow through the sample pipe network Airflow changes could be a result of one of the following Blockages within sample pipes at sample holes or in capillary tubes Leaks in sample pipes or at pipe junctions Airflow changes introduced by building ventilation systems changes in sample pipe network layout or pipe length etc Aspirator degradation Detector contamination Check the airflow in each sample pipe by following the instructions below 1 Check the recent airflow data recorded in the event log Look for flow faults that endured for a considerable period of time or frequent normalizations If there are repeated flow faults or detector normalizations in the event log detector and system cleaning may be required 2 Fix any problems from the list above blockages for example If there are no obvious problems use VSC to check the raw airflow through the detector VLP VLS and VLC only
24. 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 products and have made your own independent assessment of the fitness or suitabilit
25. auly eoo s p yed JUSUISSNUWE yil suoneolddy 10 yows Bels Alsu x asn e sluednooo 40 psepuels yeay lqeld ooe ulejurew jeloads 9 ssey 0 9 Asana seal 1V 21 Alana 1589 V aaoge Ilensn nb uu uuos lQ S A AHE T ajed auroque SJUSWUOIAUS usado S lEuullo Alipiuunu UOHE U A He peinyeu Buisn uBiu ul de 49Jem asinbas LO O gt s mi oej suuooilu uuinb wiopejd punoijBi pun uononpoid isnp s eq eIW uAop useA lu nb u SYJUOUI SYJUOW W SQO 966070 Sulpeo uonnjjod are lqe onou Says ei snpui ENSN aUN o awy Qipiuinu YBIH 21 Alana 1SB 1V 81 Alene 1569 1V uey ss lensn wo waysAs uonoe4dx asn Aew nq Buluonipuoo uiie OU pasojous E NE d r euu o Ailpiuinu uBiu u den sil UOSId Jayem Aew y sqo 9600707 s onied ausoquie qe olnou JNOYNM Buiss ooid pue Bulinjoesjnuew anneal ysy q l saed SYJUOUI SYJUOUI w sqo GL0 0 s lis ELISNPUI YIM SENDEH UG pisino JO uOe OU PUB ausoquie s u lu MO 21 1589 17 yc Alana 1589 V uey ss ilensn uonnilod S A YBIY UHA s lllunoo u z sse O JUBWIUOIIAUZ O JEWS SUMOD USEM 00 UOISUSdSNS pIOA yil s oeds Ajsnp Bumnoo2o se yons SOIPAIOe AlIpluunu Agea yy s Beuols pjoo Bui
26. detector system power supply should be checked at least every six months or as required by local codes and standards VESDA laser products are designed to operate between 18 VDC and 30 VDC We recommend as an absolute minimum that you check the following Input voltage from DC power supply to detector Output voltage from detector to other VESDA devices Backup battery voltage 24 VDC Charging backup battery voltage typically 27 6 VDC 4 Sample Pipe Network maintenance 4 1 Important pre maintenance preparations Every six months you should perform a visual check for any damaged sample pipes or pipe junctions and do repairs as necessary If damaged or blocked sample pipes go unrepaired detector flow faults can occur Prior to isolating a VESDA system for maintenance the following important steps must be taken 1 nform appropriate supervising authorities about the risk associated with isolating a VESDA Address 2 Ensure that any ancillary devices dependent on the detector are appropriately isolated Warning Inhalation of dust is hazardous to health Dust build up may contain potentially dangerous toxic materials All cleaning processes must be suitably modified in such instances to negate the risk from toxic materials Adequate precautions must be taken to comply with local health and safety regulations 4 2 Cleaning sample pipes For environment classes 1 amp 2 it is recommended that the sample pipe
27. ed Important Note The detector must have the power turned on while the air filter cartridge is being replaced The procedure and diagrams outlined below provide the steps to be followed when replacing the air filter cartridge in the VESDA LaserPLUS VLP and VESDA LaserSCANNER VLS detectors 1 Slide down and remove the air filter cover A in Figure 1 below 2 Unscrew the recessed phillips head screw B in Figure 1 below Document No 10256 07 11 Maintenance Guide vespA w N D gt Ol P Figure 1 Replacing air filters in VLP and VLS detectors Pull out the air filter cartridge C in Figure 1 above This will stop the aspirator If the aspirator does not stop replace the filter switch Insert the replacement air filter cartridge VSP 005 Tighten the filter screw Replace the air filter cover Reset the filter counter using either the LCD Programmer or a PC running VSC VSM4 7 2 Replacing the LaserCOMPACT filter cartridge The service interval of an air filter depends upon the environment You can use the LCD Programmer or VESDA PC Software guides to change the service interval for filters The system will generate a minor fault when the filter has reached 80 and an urgent fault when it reaches 120 of its capacity We recommend that the installation date and replacement date are written on the air filter cartridge label as a physical reminder of when the next service is expected Important Note The
28. f smoke readings during normal operation 8 Determine the detector s background smoke level and estimate the average recorded level for typical operation during the test period 9 Compare the results with Appendix B Recommended frequencies for general maintenance and filter cartridge replacement on page 27 to determine your VESDA system s environment class 10 Based on your system s environment class establish an appropriate detector and filter maintenance schedule 11 Using VSC set the filter service timer to the value in days given in Appendix B Recommended frequencies for general maintenance and filter cartridge replacement on page 27 12 Using VSC return the significant smoke change setting to its original value 13 Proceed to the next section or if your system is showing no faults return it to its normal operating mode 2 4 Maintenance procedures This section provides instructions for the regular maintenance of detectors If you need to address faults refer to the Troubleshooting Guide for a list of VESDAnet faults Should you need to address the 10 instant fault finder faults on the VESDA LaserFOCUS VLF detector refer to its Product Guide Further information on maintenance part replacement and recommended filter cartridge replacement frequency are provided throughout the remainder of this document Important Note Xtralis recommends that you record all work you perform in a maintenance log such as that in Appe
29. for any preset alarm delays Check the sample pipe network for leaks and blockages Soh Note Xtralis does not recommend the use of canned smoke to perform post maintenance tests However if you do use canned smoke you should ensure that you do the following Read and carefully follow all instructions on the canned smoke product Take all necessary health and safety precautions Avoid inhaling the fumes Avoid spraying the canned smoke directly into the detector or the pipe inlets Avoid prolonged bursts use in short bursts of less than 2 seconds Note Prolonged use of canned smoke can damage plastic components and the detector itself thereby invalidating the detector s warranty Annual testing Local code guidelines may state that system and detector tests be conducted on a regular basis Xtralis recommends that such tests be conducted at least annually However there are some environments in which it is necessary to conduct maintenance and testing more frequently refer to Appendix B Recommended frequencies for general maintenance and filter cartridge replacement on page 27 Note A sample maintenance and testing log is provided in Appendix C Example Of A Typical Maintenance Log on page 29 Important Note Xtralis strongly recommends that all persons who install commission service and maintain VESDA systems attend the VESDA accreditation training Please contact your local Xtralis office for more informa
30. guration by using VSC or VSM4 highlight the detector in the device tree window and select Save Node Configuration from the Device menu 3 Turn off the power by disconnecting the power cables 4 Remove the front panel by first opening the cover plate and screw covers then unscrewing the cover plate screws as shown in Figure 4 below Figure 4 Removing the VLP or VLS front cover for chassis replacement 5 Disconnect the data cables that connect the chassis assembly to the termination card These include the front panel modules if fitted and manifold behind chassis Refer to Figure 5 Removing data cables for VLP or VLS chassis replacement on page 15 Important Note Performing this step with live power can result in lost detector calibration data Should this occur detector warranties shall be void and service charges will be incurred Figure 5 Removing data cables for VLP or VLS chassis replacement Unscrew the 2 recessed retaining screws D in the Figure 5 above Remove the chassis holding the chassis by the aspirator assembly Release the two lower locking tabs by lifting the chassis upward and pulling outward Use a screwdriver to assist with tab release if necessary Refer to Figure 6 below NO Document No 10256_07 15 Maintenance Guide vespA Note The part number for the VLP chassis is VSP 006 for the VLS chassis the part number is VSP 009 Figure 6 Removing the VLP or VLS chassis Caution Ca
31. hose from the aspirator pipe by pulling Undo the three Phillips head screws securing the aspirator these screws are captive Turn the aspirator anti clockwise using the exhaust port as the pivot point Push the aspirator upward to remove it m li 00 x Qi u pa TR BSSSPBB5 Figure 11 Replacing the Aspirator in a VLC detector 9 Check that the new aspirator has a gasket on the inlet flange and three attached screws 10 Wipe the manifold outlet flange surface 11 Secure the aspirator with the three screws 12 Reconnect the previously removed air hose to the pipe on the aspirator Ensure a tight fit over the pipe 13 Reinsert the termination card into the interface card 14 Secure the termination card with the four screws 15 Connect the aspirator cable connector to the socket on the aspirator the connector is keyed and can only be inserted one way 16 Check that all wires are secured to their connectors or terminals 17 Power up the detector and check that the aspirator is running Document No 10256 07 19 20 Maintenance Guide vespA 18 Resolve all Fault conditions 19 Close the detector 20 Reset Isolate to normal conditions and check that the airflow has returned to the level it was at before Disassembly 7 7 Replacing the LaserFOCUS aspirator Important Note Prior to replacing the aspirator advise the monitoring authority that power is to be removed and the s
32. ipe Here are some examples of possible tests You could create a fault to ensure that it is registered by the detector and monitoring system for example remove a pipe to create a high airflow fault You could inject smoke into the last sample hole to see whether it is detected Likewise you could inject smoke into critical sample holes to see whether it is detected More specifically you could inject smoke into sample holes only in sections of the pipe network where maintenance has been performed to check the effectiveness of that maintenance Document No 10256_07 9 10 Maintenance Guide vespA With all smoke injections you need to record transport time ensure that a significant amount of smoke is registered and that alarm s are generated The alarm thresholds and amount of smoke injected may have an impact on the results You should compare times with the ASPIRE2 design files commissioning tests and service history Note Transport time is the time taken in seconds for the smoke to travel to the detector Typically allowing for small variations the result should be approximately the same as the ASPIRE2 calculations In the event that there is a wide variation between the ASPIRE2 results and the actual smoke test results you must investigate the following Check that the sample pipe network matches your ASPIRE2 design Check that the aspirator speed matches your ASPIRE2 design VLP and VLS only Check
33. ir bleed to preserve the detector chamber optics The detector constantly monitors filter efficiency To maintain the operational integrity of the smoke detector it is recommended that the filter be replaced every 2 years or when a filter fault occurs More frequent filter replacement is necessary in environments where there are high levels of contamination A fault is raised on the detector when the filter needs to be replaced During the replacement process the detector must be told that a new filter has been installed Note Prior to any work or maintenance being carried out on the VESDA VLF take the necessary steps to advise the monitoring authority that power may be removed and that the system will be disabled Ensure that the area surrounding the filter is clear of dirt and debris prior to Document No 10256 07 13 Maintenance Guide vespA replacement The filter is for single use only it cannot be cleaned and re used Ensure that the detector remains powered up during filter replacement and that a new filter cartridge is available The procedure and diagrams outlined below provide the steps to be followed when replacing the air filter cartridge in the VLF detector 1 ONO Push in the security tab and lift up the field service access door A in Figure 3 below Set the detector to Standby mode by pressing the Disable button for 6 seconds The Disabled LED begins to flash rapidly After releasing the Disable button
34. ite environments Cleaning is required to remove any dust build up and to ensure that the in pipe sample holes are not blocked To clean in pipe sample holes follow the instructions below Ensure that detectors are isolated from the monitoring panel and fire suppression systems Notify the relevant authorities that work is being performed Check and record the current airflow for before and after comparison Disconnect the detector power supply Remove all pipes from the detector inlet s and exhausts then cover them to ensure that no further dust can enter the detector Connect a vacuum cleaner to each in pipe sampling hole in turn to extract dust and contaminants that have built up 7 Alternatively introduce compressed air 400 KPa for 2 minutes at the detector end of the pipe to blow dust and contaminants out of the sample holes Take precautions to ensure that dust is not blown into undesired areas Visually check that the in pipe sampling holes have a clear air path 9 Compare the before and after flow rates Ideally the flow should be close to 100 for each used pipe If this is not the case the capillaries and detector may need closer inspection 10 Ifthe sample pipe network appears to be OK continue with the remainder of this section to determine the cause of reduced airflow 11 Once the system has been serviced cleaned tested and is operating fault free return it to its normal operating mode Oo n D po
35. lve all Fault conditions 16 Close the detector 17 Reset Isolate to normal conditions and check that the airflow has returned to the level it was at before disassembly Document No 10256 07 VESDA Maintenance Guide 7 10 Replacing LaserPLUS and LaserSCANNER detector modules Important Note Isolate and power down the detector before you begin Follow the instructions below to replace VESDA LaserPLUS VLP and VESDA LaserSCANNER VLS detector modules 1 Insert a screwdriver at the top between the Module and the Front Cover refer to Figure 4 Removing the VLP or VLS front cover for chassis replacement on page 15 2 Gently remove the module from the front cover by levering the screwdriver 3 Disconnect the wire loom from the module processor card 4 Connect the wire loom to the respective 10 or 11 way connector s on the module processor card 5 Secure the modules to the front cover by gently snapping the module into place ensuring that none of the EMC Screening is trapped 6 Power up the detector 7 11 Inspecting and cleaning LaserSCANNER valves The VESDA LaserSCANNER has four valves that open and close to allow the detector to draw air from one sample pipe at a time Since the air that reaches the valves has not been filtered it may contain dust dirt and background pollution such as soot or coal dust To inspect and clean VLS valves follow the instructions below 1 Remove the pipes leading into the
36. me meaning Note Xtralis have adopted the fire industry term Address instead of the formerly used term Zone for the VLF and all future products The VLP VLS and VLC continue to use the term Zone Both terms are used throughout this document and have the same meaning Document No 10256 07 1 Maintenance Guide VESDA 1 4 Important pre maintenance preparations All maintenance procedures require the VESDA system to be isolated during maintenance and testing Failure to isolate the system may lead to unwanted alarms and initiation of fire response systems When a VESDA system has to be isolated alarms will be displayed but no relays will be tripped Prior to isolating a VESDA system for maintenance you must do the following 1 nform the appropriate supervising authority about the risk associated with isolating a VESDA Address 2 Ensure that any ancillary devices dependent on the detector are appropriately isolated When a VESDA detector is isolated a fault is signalled at the monitoring system This is acknowledged either by wiring the isolate relay in series with the fault relay VLP and VLS or by configuring the fault relay fault number 3 to trigger an isolate 1 5 Maintenance schedule summary Table 1 contains a summary of the suggested maintenance schedule Table 1 VESDA maintenance schedule summary Maintenance Task Every Visit Monthly Six Monthly Annual
37. n cards 7 9 Replacing the LaserCOMPACT termination card Follow the instructions below to replace the VESDA LaserCOMPACT VLC detector termination card 1 Remove the front cover of the detector refer to Figure 2 Replacing the air filter cartridge in VLC detectors on page 13 2 Isolate and power down the detector before you begin 3 Record all wiring connections to the termination card so that you can connect the replacement card properly 4 Disconnect the wiring for power communications and relays from the 45 deg screw terminals 5 Remove the four screws securing the termination card 6 Disconnect the 3 way aspirator cable loom from the connector on the termination card 7 Disconnect the 5 way front panel LED cable from the termination card 8 Gently pull the termination card away from the interface card connected behind 9 Secure the replacement termination card with the four screws 10 Reconnect the 3 way aspirator cable loom to the connector on the termination card 11 Reconnect the 5 way front panel LED cable to the termination card Note Both the 3 way aspirator cable and the 5 way front panel LED cable are keyed so that they can only be connected in one orientation 12 Reconnect the wiring for power communications and relays to the 45 deg screw terminals 13 Check that all wires are secured to their correct terminals 14 Power up the detector and check that the aspirator is running 15 Reso
38. ndix C Example Of A Typical Maintenance Log on page 29 If you do not need to determine a maintenance schedule continue with the instructions listed below 1 Ensure that the detectors are isolated from the monitoring panel and suppression systems 2 Notify the relevant authorities about the work to be performed and the risks associated with isolating a VESDA address 3 Check for and record any detector faults 4 Ifa filter fault is displayed the current filter is older than the recommended filter replacement frequency Replace the filter according to the detector s guidelines making sure that you write the date of replacement on the label and take measures to order stock VSP 005 for the next replacement date For detector specific filter replacement instructions refer to Replacing LaserPLUS and LaserSCANNER filter cartridges on page 11 Replacing the LaserCOMPACT filter cartridge on page 12 and Replacing the LaserFOCUS filter cartridge on page 13 The color codes for the dates of filter manufacture are given in Table 2 above Download and save the event log for comparison of smoke readings during normal operation Record the current airflow and raw values for before and after comparison Disconnect power to the VESDA detector Remove dust from around the pipe inlets Disconnect all pipes from the detector inlet s and exhausts then cover them to ensure that no unwanted material can enter the detector o ONO
39. network be checked every two years However your system s environment will affect this so refer to Appendix B Recommended frequencies for general maintenance and filter cartridge replacement on page 27 The scheduled period should be reduced to suit harsh site environments Note Local code guidelines may require more frequent inspections for all classes Where possible sample pipes and their connections should be checked to ensure that the pipe runs are intact and that the network is free of dirt and dust Follow the instructions below to clean your sample pipe network Ensure that detectors are isolated from the monitoring panel and fire suppression systems Notify the relevant authorities that the work is being performed Check and record the current airflow for before and after comparison Disconnect the detector power supply Remove all pipes from the detector inlet s and exhausts then cover them to ensure that no further dust can enter the detector Ensure that end caps are set firmly in place Connect a vacuum cleaner to the detector end of each pipe in turn When turned on it will extract dust and contaminants that have built up inside the pipes 8 Alternatively introduce compressed air 400 KPa for 2 minutes at the detector end of each pipe in turn to blow dust and contaminants out through the sample holes ARON ze r Document No 10256 07 7 Maintenance Guide vespA 9 Take precautions to ensure that dust i
40. pniou uBiu eoueusjurew OVAH sIieAJ 1u Buipiinq d asnoyasem pue S ER IOIS lu uinoop s uoinu5 1uenbeuju JUSWUOJIAUS YJUOW Z Belu u ew Buiddous Sul004 uols lu uidinb 6 yu lqule p lnilod 10 peo Aieold y sqo seq uol oliunuuujoo5 Sulplinq 891110 12u29 e uonouni ninui q luBiu amp o sioop slu uu uinb iu 8 00 0 200 0 Aen sseooe juanbau4 Siuednooo 10j suollepu uuuuo2 81 lle q qe d oop feye Buipiinq aaisseoxe suluoul suluoui W S90 600 0 900 0 O p ulelureuu Ajaulynos NHY uo epue s JO SUISJS S UONDEIIXE MOLE Jo pue sseooe juenbal4 pe Alana Sea 1V ge Alana 1569 IV usemjeq lensn uBiu p 5 1 SWOS YIM Ailensn pue p sojou Ayn 4 JOUIUI JO 55 00 1u nb uj 01 SNP o joafqns uou q SE uons see JO UONBILISSE D wood sjenseju YJUOW ZL 10 Ile AypeaidAy sjuaweuinbel suluouu pe Alana Sea 1V SYJUOW 09 Alene sea IV usqo 200 0 gt W SQ0 9690070 uey ss jensn 1u uudinb J0J0NPUODILISS pue UIYNM SUONP EISU NSS AH SOd YIM S H HOE JEdIPSW SSS00E p 2l1s 1 YNM SLUOOI 1 1nduio2 1602 PJEPUEIS
41. r Cartridge VSP 006 VLP Detector Chassis Assembly complete with Manifold VSP 013 Detector Cover Assembly complete with EMC shields VSP 014 7 relay Head Termination Card HTC7 VSP 015 VLP Detector Aspirator Assembly VSP 019 Filter Cover VSP 021 Imperial Pipe Adaptors 25 mm to 27 mm 4 off US only VSP 100 Blank plate with FIRE 1 amp OK LEDs non EMC painted with VESDAlogo VSP 101 Blank plate with French FIRE 1 amp Fault FF LEDs non EMC painted with Printed logo VSP 200 Blank plate EMC painted without VESDA logo VSP 540 Exhaust Deflector black VLS VSP 000 Blank plate non EMC painted with VESDA logo VSP 001 Programmer Module VSP 004 Scanner Display Module VSP 005 Filter Cartridge VSP 009 Scanner Chassis Assembly complete with Manifold VSP 013 Detector Cover Assembly complete with EMC shields VSP 014 7 relay Head Termination Card HTC7 VSP 015 VLP Detector Aspirator Assembly VSP 016 12 relay Head Termination Card HTC12 VSP 019 Filter Cover VSP 021 Imperial Pipe Adaptors 25 mm to 27 mm 4 off US only VSP 100 Blank plate with FIRE 1 amp OK LEDs non EMC painted with VESDAlogo VSP 101 Blank plate with French FIRE 1 amp Fault FF LEDs non EMCpainted with Printed logo VSP 200 Blank plate EMC painted without VESDA logo VSP 540 Exhaust Deflector black Document No 10256 07 25 Maintenance Guide vespA 26 Category Pa
42. re must be taken not to damage the cable running to the manifold Note The detection chamber head processor card and flow sensors are factory calibrated as a matched set Separating the set and replacing it with components from another set may cause the Detector to malfunction requiring re calibration at the factory Disconnect the flow sensor lead Unscrew the manifold retaining screws 0 Remove the Manifold by sliding it downward away from the pipe network as shown in Figure 7 0 00 Figure 7 Removing Pipe Inlet Manifold during VLP and VLS chassis replacement 11 Attach the replacement Manifold and Chassis by reversing the procedure above Note Ensure that power is turned off before reconnecting Data cables All Data cables must be connected properly before power is turned on Failure to observe this requirement may cause data corruption that requires factory re calibration 16 Document No 10256 07 vespA Maintenance Guide 12 Configure the Node using VSC or VSM4 by highlighting the Detector in the Device Tree Window and highlighting Restore Node Configuration from the Device Menu or reprogram the detector using the LCD Programmer 7 5 Replacing LaserPLUS and LaserSCANNER aspirators When replacing the VESDA LaserPLUS VLP or VESDA LaserSCANNER VLS detector aspirators follow the instructions below 1 Isolate and power down the detector 2 Open the front cover 3 Locate and unplug the cable loom
43. rt number Description VLC VSP 005 Filter Cartridge VSP 021 Imperial Pipe Adaptors 25 mm to 27 mm 4 off US only VSP 501 VLC Aspirator VSP 502 VLC VN Remote Display Module VSP 509 VESDAlinkTM RS232 9 pin to 9 pin Serial Cable VSP 510 VLC RO Termination Card CTC RO VSP 515 VLC VN Termination Card CTC VN VSP 540 Exhaust Deflector black VLF VSP 005 Filter Cartridge VSP 021 Imperial Pipe Adaptors 25 mm to 27 mm 4 off US only VSP 540 Exhaust Deflector black VSP 702 VLF Remote Display Module VSP 715 VLF Aspirator Modules VSP 001 Programmer Module VSP 002 Display Module VSP 004 Scanner Display Module VSP 007 0 relay Remote termination card RTCO VSP 008 7 relay Remote termination card RTC7 VSP 016 12 relay Head Termination Card HTC 12 VSP 200 Blank plate EMC painted without VESDA logo VSP 208 12 relay Remote termination card RTC12 VSP 300 Blank plate non EMC painted without VESDA logo Accessories VSP 003 VESDAnet Socket Kit VSP 102 Detector Relay Processor Module Blank DRP VSP 103 Scanner Relay Processor Module Blank DRP VSP 200 Blank plate EMC painted without VESDA logo VSP 300 Blank plate non EMC painted without VESDA logo Document No 10256 07 Maintenance Guide VESDA yeuulo Aypiuiny YGIY u den sayem anba R SEO suluoui suluouu u sqo LO 0 lt w sqo E0 0 9 9 s geul uu191 snq si uun lu ule 1 9 sSPA 40 26 uollels JAMOd P
44. s not blown into undesired areas Ensure that end caps are still set firmly in place 10 Compare the before and after flow rates Ideally the flow should be close to 100 for each used pipe If this is not the case the capillaries and detector may need closer inspection If the sample pipe network appears to be OK continue with the remainder of this section to determine the cause of the reduced airflow 11 Once the system has been serviced cleaned tested and is operating fault free return it to its normal operating mode Note Sites with dirty environments which require very regular sample and exhaust pipe cleaning should consider installing automated equipment to assist with regular cleaning schedules For more information refer to Xtralis s Application Note VESDA Air Sampling for Ducts available on our website at www xtralis com Note For in duct sampling remove the pipe s from the duct and follow the cleaning process Once cleaning is complete return the pipe s to their original angle usually 45 to the airflow 43 Cleaning sample holes We suggest that sample holes are cleaned at least once every two years This is a recommended interval for environment classes 1 amp 2 but your environment will have an effect on how often sample holes require cleaning refer to Appendix B Recommended frequencies for general maintenance and filter cartridge replacement on page 27 The scheduled period should be reduced to suit harsh s
45. smoke level should be the same it may be different if your environment has changed If a difference in background smoke level cannot be explained by a change in your environment you should do one or all of the following clean the detector clean the sample pipe network and or change the filter If you do any or all of these you should re check the background smoke level before proceeding Compare the before maintenance and after maintenance flow rates Ideally the flow rate should be close to 100 for each used pipe If this is not the case check the sample pipe network for loose connections or obstructions If necessary clean the detector and sample pipe network refer to Sample Pipe Network maintenance on page 7 If the sample pipe network is OK review the event log If the event log does not show any unexpected flow faults normalize the raw airflow Once the detector and sample pipe network have been serviced cleaned tested for testing instructions refer to Post maintenance testing on page 9 and are operating fault free return the system to its normal operating mode 2 5 Unscheduled maintenance There will be occasions where unscheduled detector maintenance is required Such instances are often the result of fault conditions Faults can range from minor minor low airflow pipe 2 to urgent and must be dealt with by trained and qualified personnel A full investigation of any reported fault must be conducted taking into account
46. t maintenance testing Section 6 provides information on annual testing Section 7 describes the procedures for replacing parts on the range of VESDA detectors Appendix A provides a list of part numbers Appendix B provides application specific information on determining an appropriate maintenance schedule Appendix C provides a sample maintenance log which should be completed as part of each maintenance visit 1 3 Maintenance overview Who amp When To maintain the VESDA laser detector system at its peak performance level the suggested maintenance schedule should be followed Maintenance can be conducted by the original installer a VESDA distributor or a service contractor The optimum operation of a VESDA laser detector system requires that the equipment is supported by a well designed and maintained sample pipe network The site conditions and the local codes amp standards may require more regular maintenance than that recommended by Xtralis Maintenance frequency must be increased in industrial applications such as coal fired power stations factories distribution facilities and warehousing with high vehicular traffic loads since these applications commonly have high levels of background pollution Note Xtralis have adopted the fire industry term Disable for the VLF and all future products The VLP VLS and VLC continue to use the term Isolate Both terms are used throughout this document and have the sa
47. t 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 3611 Hazardous Approval Warning Exposure to some chemicals may degrade the sealing of relays used on the detector Relays used on the detector are marked TX2 5V G6S 2 5V or EC2 5NU
48. that connects from the head processor card HPC to one of the modules located on the front panel Mark out this connector position if unsure about the cabling 4 Remove the air filter cartridge refer to Figure 7 Removing Pipe Inlet Manifold during VLP and VLS chassis replacement on page 16 Figure 8 Removing the Air Filter Cartridge for VLP or VLS aspirator replacement 5 Remove the HPCs securing screw Warning Hold the HPC at the edges Static charges may damage it 6 Remove the brown insulating sheet and lift up the HPC 7 Locate the aspirator cable loom red white and blue wires and disconnect the connector from the HPC Document No 10256_07 17 18 Maintenance Guide vespA Legend A Filter switch connector socket B Aspirator loom connector C Aspirator locking fingers D Move both locking fingers outwards E Aspirator Lift upwards Figure 9 Removing the HPC and Disconnecting the aspirator cable loom Locate the two plastic fingers securing the aspirator to the chassis D in Figure 9 above Push fingers outwards E and lift the aspirator out Remove the exhaust pipe elbow and filter card assembly A from the aspirator B as shown in Figure 10 Removing the Exhaust Pipe Elbow and Aspirator on page 18 Legend A Exhaust pipe elbow with filter card switch B Aspirator Figure 10 Removing
49. tion 6 1 Detector tests Check the following items to ensure that performance is still satisfactory 1 Recorded faults If any faults are present record and rectify them before beginning any maintenance 2 Power supply Ensure that the input voltage is within the operating requirements 3 Backup battery if installed Check that the batteries are fully charged and the charging voltage is functioning correctly 4 Airflow Check the airflow for each sample pipe in use Compare to previous site visit data to ensure that there is no degradation in performance due to pipe blockages leaks breaks or contamination 5 Smoke test Inject an appropriate level of smoke into the required sampling holes Document No 10256 07 VESDA Maintenance Guide 6 Record Transport Time This figure should be consistent with your previous maintenance visit or your original commissioning documentation Refer to your local standards for allowable variations 7 Local detector display Ensure that the detector s front panel display responds appropriately to any faults and smoke levels within the time specified in your local code guidelines Relay performance Ensure that the detector s fire and fault relays are functioning correctly 9 Remote detector display Ensure that any associated remote detector displays if installed respond appropriately to any faults and smoke levels within the time specified in your local code guidelines 10
50. y 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 result of an action The following icons are used in this document
51. ystem disabled Caution Electrostatic discharge precautions need to be taken prior to removing the front cover from the detector otherwise damage may occur The following Aspirator removal instructions assume normal mounting refer to Figure 12 below Disconnect power to the detector Push in the security tab and lift up the field service access door Unscrew the two front cover retaining screws lift and swing down the front cover Only disconnect the fan wiring loom from the connection point E at the aspirator Undo the retaining screw on the aspirator A Swing the aspirator out then lift and remove it from the detector Oy CBN EE Note Any time the aspirator is removed ensure that the area surrounding it is clear of dirt and debris before it is replace Care must be taken during aspirator replacement The aspirator must be correctly seated this is essential to ensure that gaskets are not damaged or dislodged from the underside of the aspirator 7 Clip the aspirator VSP 715 into the retaining clip D and swing it back into the detector 8 Tighten the retaining screw A but do not over tighten 9 Reconnect the fan loom to the aspirator E 10 Replace the front cover and screw it into place 11 Close the field service access door 12 Reconnect the power to the detector Document No 10256 07 VESDA Maintenance Guide Legend A Aspirator securing screw Swing aspirator out to remove

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