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VESDA VLC-400

Product Guide

June 2014

Document: 03494_11

Part Number: 18938

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Summary of Contents for VESDA Apollo

Page 1: ...VESDA VLC 400 Product Guide June 2014 Document 03494_11 Part Number 18938 ...

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Page 3: ... 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 Manua...

Page 4: ...ription 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 Warning This icon is used to indicate that there is a danger of inhaling dangerous substances This...

Page 5: ... 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 ...

Page 6: ... less than 60 seconds l For a Class B detector hole sensitivity must be better than 4 5 obscuration m and transport time less than 90 seconds l For a Class C detector hole sensitivity must be better than 10 obscuration m and transport time less than 120 seconds These limits should be verified using ASPIRE2 during the design of the sampling pipe network The product is compliant with EN 54 20 flow m...

Page 7: ... to installation 25 7 2 Mounting the detector 25 7 3 Removing the front cover 25 7 4 Remove plastic plugs for cable entry 25 7 5 Fastening the mounting bracket 26 7 6 Mounting the Detector onto the Bracket 26 7 7 Connecting the air sampling pipe 26 7 8 Connecting power and signal cabling 27 7 9 Connecting the Apollo Loop wires to the detector termination card 27 7 10 Setting the Address Loop DIP s...

Page 8: ...VESDA VLC 400 Product Guide VESDA by Xtralis 2 www xtralis com This page is intentionally left blank ...

Page 9: ...e being that it communicates directly on the Apollo loop VESDA VLC detectors provide Very Early Warning of potential fire conditions by drawing air samples through 25mm pipe up to 80m long two pipes of up to 50m may also be used when branched within 4m of the detector Smoke is sampled through holes in the pipe and transported to the detector by an integrated aspirator or fan Holes are positioned a...

Page 10: ...VESDA VLC 400 Product Guide VESDA by Xtralis 4 www xtralis com This page is intentionally left blank ...

Page 11: ...s Legend A Front Cover B LED Indicators C Securing Screws D Main Enclosure Figure 2 1 VESDA VLC 400 2 2 Front Panel The front panel is removable and is secured to the main enclosure with two screws located on the left and right hand side of the cover A removable plastic tie attaches the cover to the main enclosure The plastic tie allows the front cover to hang down when open and prevents strain on...

Page 12: ...not be controlled by the detector FLOW This YELLOW LED illuminates when there is flow fault FAULT This YELLOW LED illuminates when a fault condition occurs This includes a flow or filter fault The LED also illuminates during airflow normalization OK This GREEN LED remains illuminated lit during normal operation showing the unit is operating correctly The LED functions indicate l Continuous OK l 2 ...

Page 13: ... 2 3 6 l Aspirator refer to Section 2 3 4 l Cable entry ports refer to Section 2 3 2 l Air inlet port with air flow sensor refer to Section 2 3 3 l Main processor card refer to Section 2 3 8 Each of the above components is explained in more detail in the following sub sections Legend A Termination Card B Laser Detection Chamber C Air Filter D Air Exhaust Port E Aspirator F Anti tamper Screw G Cabl...

Page 14: ...ctions Figure 2 3 Termination Card Layout VESDAlink programming interface The VESDAlink programming interface is via a standard DB9 connector on the termination card This connection provides a RS 232 serial communications link to a PC running Xtralis VSC enabling full configuration and maintenance diagnostics of the detector Power supply and communication signal connectors There are three wire ter...

Page 15: ...ling plug for shipping to prevent accidental entry of foreign objects This plug MUST be removed for the detector to operate correctly whether the exhaust piping is fitted or not 2 3 4 Aspirator The aspirator is a proprietary high efficiency air pump that draws in air through a network of sampling air pipes and passes a small sample of the filtered air into the laser detection chamber The rest of t...

Page 16: ...tapered to provide a positive seal for the pipe The maximum length of the exhaust port should be limited to 2 m The air inlet and exhaust pipes MUST NOT be glued to the detector ports Caution The inlet and exhaust port is fitted with a sealing plug for shipping to prevent accidental entry of foreign objects This plug MUST be removed for the detector to operate correctly whether the exhaust piping ...

Page 17: ...ptical type detector 2 4 5 AutoLearn AutoLearn is the process of monitoring the average smoke obscuration levels in an environment in order to automatically set alarm thresholds that are appropriate This assists in ensuring the earliest possible warning of a fire condition while minimizing the risk of false alarms 2 4 6 Relay output The relay output is configured via Xtralis VSC using the normally...

Page 18: ...ptical Type Smoke Analog Value 11 to 127 Alarm at 55 23 to 127 Alarm at 55 Fault Analog Value 8 8 to 10 not used 8 8 to 22 not used Drift Value 0 16 Type Bits 2 1 0 4 3 7 6 5 2 1 0 4 3 7 6 5 1 0 0 1 1 0 0 0 1 0 1 0 0 0 0 0 Table 2 2 Bit Types for Aspirated and Optical Type VESDA VLC 400 The differences between the two types relates to the nominal non smoke signal and the setting of the drift value...

Page 19: ... 2 m 0 06 ft 10 secs Mode 4 0 5 m 0 15 ft 10 secs Mode 5 1 0 m 0 31 ft 10 secs Table 2 3 Default Sensitivity Modes Where the FACP supports timed mode selection i e selecting different modes at different times of day the modes may be used to support day night settings e g to provide increased sensitivity at night and selecting normal sensitivity during the day Each mode is alterable via Xtralis VSC...

Page 20: ...el from the sensitivity mode data 2 5 8 Delays Smoke level that exceeds the current Alarm threshold is held off until the delay period has expired When the device goes into alarm the reported obscuration level will be 54 counts until the delay period for the selected sensitivity mode has expired or until the obscuration level goes out of alarm whichever comes first At this point the current obscur...

Page 21: ...VESDA by Xtralis VESDA VLC 400 Product Guide www xtralis com 15 3 Dimensions The physical dimensions of the VESDA VLC 400 detector are shown below Figure 3 1 Dimensions Front Side Views ...

Page 22: ...VESDA VLC 400 Product Guide VESDA by Xtralis 16 www xtralis com 205mm 8 07in 225mm 8 86in 112 5mm 4 43in 95mm 3 74in 225mm 8 86in 112 5mm 4 43in Figure 3 2 Dimensions with Mounting Brackets Rear View ...

Page 23: ...nitoring Monitored input requires a 47kOhms EOL resistor A short circuit PSU fault or an open circuit wiring fault is reported as fault 15 on Xtralis VSC IP Rating IP 30 Cable Access 4 x 25mm 1in cable entries Cable Termination Screw terminal blocks 0 2 2 5sq mm 30 12 AWG Sensitivity Range 0 005 to 20 00 obs m 0 0015 to 6 25 obs ft Threshold Setting Range Each sensitivity mode can be set in the ra...

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Page 25: ...sampled Generally Xtralis recommends a maximum coverage of 0 2m per sampling hole For example a grille measuring 1 5m x 0 8m would need 6 sampling holes refer to Figure 5 2 When sampling across a grille the sampling holes should generally face into the flow as such slight rotations of the pipe during commissioning may improve performance Consideration should be given to any maintenance requirement...

Page 26: ... 0 2 obs m Using ASPIRE2 it is possible to determine the Class of many different configurations of holes and pipework It is also possible to estimate the Class by considering the additional information relating to the configuration of the systems tested during the evaluation to EN54 20 Where the detector is located remote from the protected area for example in a corridor outside the room then cons...

Page 27: ...ate any likely movement For example ABS pipe expands by 0 1 with every 10ºC increase in temperature l All joints must be airtight this is typically achieved on plastic pipe using suitable adapters and adhesives l Allow sufficient movement in the pipe at the detector to facilitate removal for maintenance A tapering of the air inlet port prevents the pipe from being inserted beyond 15mm 5 8in l DO N...

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Page 29: ...el as shown in the table Parameter Default Value Minimum Access Level Units Metric Adm Airflow High Urgent 130 Adm Airflow High Minor 120 Adm Airflow Low Minor 80 Adm Airflow Low Urgent 70 Adm AutoLearn 14 days 0 hours 0 minutes Adm Smoke Threshold Mode 3 0 2 Delay 10 secs Adm Relay Fire Command from the Fire Panel Adm Ext LED Fire Command from the Fire Panel Adm Device Type Aspirating Smoke Detec...

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Page 31: ...t the detector with the air inlet pipe at the top of the box and with the air exhaust pipe at the bottom known as the Normal Orientation or l Mount the detector with the air inlet pipe at the bottom of the box and with the air exhaust pipe at the top known as the Inverted Orientation Legend A Cable Entry Ports One port accessible from rear of cover B Air Exhaust Port Figure 7 1 VESDA VLC 400 Orien...

Page 32: ...he detector is in place Insert the sampling pipe into the inlet port ensuring a firm fit and where relevant connect the exhaust pipe Fit appropriate conduit or cable clamps as required 7 7 Connecting the air sampling pipe The air inlet port is designed to fit a standard pipe of 25mm OD The air inlet port is tapered to provide a positive seal Note Where pipe which has an 11 16 OD is used then a sui...

Page 33: ...e the device operating voltage range of 18VDC to 30VDC Damage may occur if more than 30VDC is applied 7 8 2 Using cable glands Run the wires through the conduit or cable clamps where necessary and into the VESDA VLC 400 enclosure Use Local Codes and Electrical Standards for cabling 7 8 3 Using conduits Terminate the conduits at the cable entry holes on the sides of the box using the appropriate co...

Page 34: ...s to 82 set the DIP switch as shown in Figure 7 5 below see NOTE above Figure 7 5 DIP Switch Setting for Address 82 2 16 64 Section 12 shows the DIP switch settings for each of the possible 127 address settings including the two illegal addresses 7 11 Closing up the detector Before closing the front cover l Ensure the LED wiring loom is properly connected l Ensure the plastic tie attaching the fro...

Page 35: ...A normalization operation must be performed to eliminate this fault Refer to Section 8 6 for a description of the normalization process 8 5 Setting smoke thresholds The smoke threshold is set using Xtralis VSC Refer to the Xtralis VSC user documentation for details on how to set the smoke thresholds or refer to Section 2 5 6 Sensitivity modes above Smoke thresholds can be set in one of three ways ...

Page 36: ...the Normalization option is selected a prompt appears Normalization telling you that it will take 11 minutes to complete Are you sure you want to continue Click Yes 5 When Normalization starts the OK LED flashes twice every 2 seconds Normalization takes 11 minutes to complete During this time the OK LED will continually blink with two flashes Note A Normalizing in progress fault is active during t...

Page 37: ...ally once AutoLearn is complete 8 7 1 Using AutoLearn The AutoLearn function is started from Xtralis VSC by selecting the Start AutoLearn Smoke tab from the device menu From this form refer to Figure 8 2 you can set the duration of Autolearn upto a maximum of 14 days Click start to begin and the VESDA VLC 400 will respond by continually blinking the OK LED with three flashes while Autolearn is in ...

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Page 39: ...e possible use Xtralis VSC to read the airflow readings including the raw airflow readings Any sign of drift should be investigated Check filter Every year Check that there are no filter faults where possible use Xtralis VSC to read the current filter counts Change Filter Every 2 years Fit a new filter cartridge regularly depending on the relative cleanliness of the protected environment For examp...

Page 40: ... Cartridge B Screw Figure 9 1 Air Filter Cartridge Location Remove the air filter cartridge A switch operates when the filter is removed and the fault Filter removed is reported in the Event log for that detector and the panel When the filter is replaced a Filter replaced but not acknowledged fault is reported in the Event log for that detector If a new filter has been installed the filter life mu...

Page 41: ...int 10 Push aspirator upward H and remove Legend A Screws B Termination Card C Interface Card Connector D Aspirator Hose E Aspirator Pipe F Screws G Aspirator H Aspirator Removal Figure 9 2 Aspirator Removal Process Assembly 1 Check the new aspirator has a gasket on the inlet flange and three attached screws 2 Wipe manifold outlet flange surface if dirty 3 Assembly is the reverse order of the disa...

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Page 43: ...y over fault reporting 10 1 2 Faults list A more comprehensive list of faults is available via the PC connector port using a PC running Xtralis VSC The table below lists the VESDA VLC 400 applicable faults by fault number description possible cause action to rectify and the fault classification either urgent or minor All faults that occur are classified as either an urgent fault or a minor fault T...

Page 44: ...esentative for a replacement detector Minor 15 Power supply failure The source supplying AC power has failed Check the power supply and restore If it is not indicating a fault check the wiring If the fault persists contact your authorized Xtralis representative Minor 22 Flow sensor failure The flow sensor has failed Contact your authorized Xtralis representative for a replacement detector Minor 23...

Page 45: ...se the data has been detected as being corrupt Contact your authorized Xtralis representative Urgent 51 Urgent high airflow The airflow exceeds the Urgent High threshold Inspect pipe work for breakages or leaks and rectify Cracks or breaks in the pipe work render the system much less sensitive to smoke in the protected area Perform a Normalize Airflow via Xtralis VSC Urgent 52 Minor high airflow T...

Page 46: ...tween the protected area and the detector that exceed 50Pa Ensure that there are enough sampling holes the minimum for standard configurations is 3 holes Ensure the exhaust bung is removed Introduce backventing if necessary Minor 76 Filter replaced but not acknowledged The filter has been removed and replaced but not acknowledged in the software From the Device menu select the Reset Filter Setting...

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