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Содержание VESDA VLC-400

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

Страница 2: ......

Страница 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...

Страница 4: ...iption 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...

Страница 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 t...

Страница 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 th...

Страница 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 Bra...

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

Страница 9: ...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...

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

Страница 11: ...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 loc...

Страница 12: ...ot 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...

Страница 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 th...

Страница 14: ...tions 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 s...

Страница 15: ...ng 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 aspi...

Страница 16: ...pered 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...

Страница 17: ...tical 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 Th...

Страница 18: ...tical 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...

Страница 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 differen...

Страница 20: ...l 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 obscurati...

Страница 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...

Страница 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...

Страница 23: ...itoring 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...

Страница 24: ...VESDA VLC 400 Product Guide VESDA by Xtralis 18 www xtralis com This page is intentionally left blank...

Страница 25: ...ampled 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 grill...

Страница 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...

Страница 27: ...te any likely movement For example ABS pipe expands by 0 1 with every 10 C increase in temperature l All joints must be airtight this is typically achieved on plastic pipe using suitable adapters and...

Страница 28: ...VESDA VLC 400 Product Guide VESDA by Xtralis 22 www xtralis com This page is intentionally left blank...

Страница 29: ...l 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 AutoLear...

Страница 30: ...VESDA VLC 400 Product Guide VESDA by Xtralis 24 www xtralis com This page is intentionally left blank...

Страница 31: ...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...

Страница 32: ...e 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 t...

Страница 33: ...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...

Страница 34: ...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...

Страница 35: ...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 Xtr...

Страница 36: ...he 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 L...

Страница 37: ...lly 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...

Страница 38: ...VESDA VLC 400 Product Guide VESDA by Xtralis 32 www xtralis com This page is intentionally left blank...

Страница 39: ...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 p...

Страница 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 th...

Страница 41: ...nt 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 R...

Страница 42: ...VESDA VLC 400 Product Guide VESDA by Xtralis 36 www xtralis com This page is intentionally left blank...

Страница 43: ...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 fa...

Страница 44: ...sentative 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 f...

Страница 45: ...e 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...

Страница 46: ...ween 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 ba...

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