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Summary of Contents for Xtralis vesda LaserFOCUS VLF-500
- Page 1 LaserFOCUS VLF-500 Product Guide September 7, 2007 Document Number: 07209_12 Part : 20297...
- Page 2 VESDA LaserFOCUS VLF-500 Product Guide ®...
- Page 3 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;...
- Page 4 UK and the Middle East +44 1442 242 330 www.xtralis.com Codes and Standards Information for Air Sampling Smoke Detection We strongly recommend that this document is read in conjunction with the appropriate local codes and standards for smoke detection and electrical connections.
- Page 5 VESDA ® LaserFOCUS VLF-500 Product Guide AFNOR Table 3 on page 17: The maximum number of holes is 20. Table 4 on page 18: The minimum hole size is 3mm; the maximum number of holes per branch is 10. Table 5 on page 20: The minimum hole size is 3mm; the maximum number of holes per branch is 10. Installation considerations on page 21: The maximum number of holes is 20.
- Page 6 VESDA LaserFOCUS VLF-500 Product Guide ®...
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Page 7: Table Of Contents
VESDA LaserFOCUS VLF-500 Product Guide ® Scope ..............................1 Introduction to VESDA LaserFOCUS .....................1 General notification .........................1 Installation ............................1 Dimensions ..........................2 Detector mounting ........................3 Installing the smoke detector ....................3 Installation procedure ......................4 Inverting the user interface display ..................5 Detector removal ........................6 Air inlet pipe connections ......................7 Exhaust air pipe connections ....................8 Wiring connections ........................8... - Page 8 VESDA ® LaserFOCUS VLF-500 Product Guide Factory Defaults ..........................34 Specifications ..........................35 Maintenance ..........................38 Overview ..........................38 Maintenance schedule ......................39 Replace the Filter Cartridge (VLF) ..................39 Aspirator replacement ......................40 Commissioning Forms ......................... 42 VESDA Commissioning Form ....................42 LaserFOCUS VLF-500 Detector Commissioning Form ............
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Page 9: Scope
VESDA ® LaserFOCUS VLF-500 Product Guide 1.1 Scope This manual describes the features of the VESDA LaserFOCUS, the specifications and functions, installation requirements, commissioning and operation procedures. A schedule for preventative maintenance is also provided. 1.2 Introduction to VESDA LaserFOCUS The VESDA LaserFOCUS early warning air sampling smoke detector incorporates world leading VESDA very early warning laser based aspirated smoke detection technology. -
Page 10: Dimensions
VESDA LaserFOCUS VLF-500 Product Guide ® Dimensions Legend inches 10.08 182.8 7.20 134.0 5.28 204.0 8.03 36.0 1.42 25.5 1.00 27.0 1.06 92.1 3.63 182.8 7.20 180.0 7.09 Figure 1 - Dimensions of the detector Legend inches 236.3 9.30 120.0 4.72 0.18 230.0... -
Page 11: Detector Mounting
VESDA ® LaserFOCUS VLF-500 Product Guide Detector mounting The VESDA LaserFOCUS can be installed upright, inverted or horizontally. Note: Ensure the smoke detector is mounted away from obstructions and below ceiling level. Caution: An exhaust deflector must be fitted for upright mounting, unless the exhaust port is connected to a return air pipe. -
Page 12: Installation Procedure
VESDA LaserFOCUS VLF-500 Product Guide ® Where the pipe network and cabling are already fitted, the bracket can be used to aid alignment of the detector with the pipes. The Installation procedure below explains this process. Installation procedure Cut the air inlet pipe and exhaust pipe (if used) at 90 , and to the same length (for normal and inverted mounting). -
Page 13: Inverting The User Interface Display
VESDA ® LaserFOCUS VLF-500 Product Guide For inverted installation, to mark off the location of the mounting holes, follow steps 1 – 4 with the mounting bracket inverted to that shown in figure 4, “Mounting bracket orientation for upright and inverted mounting,”... -
Page 14: Detector Removal
VESDA LaserFOCUS VLF-500 Product Guide ® Place the detector on its back, push in the securing tab and lift up the field service access door. (See Figure 25, “Field Service Access Door security tab and clip,” on page 28). Remove the 2 retaining screws and lift off the main cover. Disconnect the restraining strap from the clip (C) and the ribbon cable from the user interface card (B) and place the cover aside. -
Page 15: Air Inlet Pipe Connections
VESDA ® LaserFOCUS VLF-500 Product Guide Turn off the power to the detector. Disconnect the sampling pipes. Push in the security tab and lift up the field service access door, see Figure 25, “Field Service Access Door security tab and clip,” on page 28. Unscrew the front cover retaining screws (E). -
Page 16: Exhaust Air Pipe Connections
VESDA LaserFOCUS VLF-500 Product Guide ® Exhaust air pipe connections Where the VESDA LaserFOCUS is located outside the protected area, consideration must be given to returning the exhaust air to the protected environment to balance pressure differences that may exist between the two areas. In the majority of applications, this is not necessary as pressure differences are minimal. -
Page 17: Gpi - General Purpose Input (Terminals 1 & 2)
VESDA ® LaserFOCUS VLF-500 Product Guide To reach the terminal block, open the field service access door, see Controls and indicators on page 28, and then unscrew the front cover retaining screws. Lift off and swing down the front cover. The terminal block is located on the right hand side of the detector. Legend Terminal block, connectors 1 to 20 Figure 8 - Terminal block... - Page 18 VESDA LaserFOCUS VLF-500 Product Guide ® The GPI function parameter can be set to the values shown in the table below to achieve several different functions: GPI function Result parameter value None GPI is disabled. If GPI will not be used we recommend that you leave the EOL resistor assembled.
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Page 19: Extra Terminals (Terminals 3, 4, 5, 6 & 7)
VESDA ® LaserFOCUS VLF-500 Product Guide Extra terminals (Terminals 3, 4, 5, 6 & 7) Terminals reserved for future use. Legend Display Tx Display Rx Display Comm Gnd Display Power - Display Power + Figure 11 - Terminal block display, spare power terminals Power supply (Terminals 8, 9, 10 &... -
Page 20: Relays (Terminals 12 - 20)
VESDA LaserFOCUS VLF-500 Product Guide ® Relays (Terminals 12 - 20) The relays allow alarm and fault signals to be hard wired to external devices, such as fire alarm control panels and loop interface modules away from the detector (example, sounding a siren at Action threshold). -
Page 21: Typical Wiring To Fire Alarm Control Panel (Facp)
VESDA ® LaserFOCUS VLF-500 Product Guide Typical Wiring To Fire Alarm Control Panel (FACP) The diagram below shows the correct way to wire VESDA laser detectors to a conventional fire alarm control panel (FACP). It also shows where an End Of Line (EOL) resistor is correctly installed. -
Page 22: Interface Card
VESDA LaserFOCUS VLF-500 Product Guide ® Interface card The VESDA LaserFOCUS allows for the installation of a variety of interface cards. Refer to the specific interface card installation sheet, product guide, or your local VESDA support person for further information regarding installation and configuration of this card. RS232 Compatible serial port The RS232 serial port requires a standard 9-pin DB9 PC COM serial extension cable (male to female) for configuring the detector using a PC with VESDA System Configurator (VSC) -
Page 23: Installation Checklist
VESDA ® LaserFOCUS VLF-500 Product Guide Installation Checklist Site Name Address Detector Serial Number(s) and Date of Manufacture Interface Card Serial Number & Date of Manufacture Name of Installer Signature Date Perform the following checks listed below to ensure that all the necessary items are completed before handing over to a commissioning engineer. -
Page 24: Sampling Pipe Network Design
VESDA LaserFOCUS VLF-500 Product Guide ® 1.4 Sampling Pipe Network Design The VESDA LaserFOCUS supports a number of pre-engineered pipe network designs to simplify installation. The pre-engineered pipe networks have been designed with pressure, flow and transport time considerations. They have been verified and are shown below. For setup details refer to the VESDA System Design Manual. -
Page 25: Single Pipe Network
VESDA ® LaserFOCUS VLF-500 Product Guide Single pipe network The table below shows the appropriate hole sizes for pre-engineered designs for a single pipe set up. Single Pipe Network – max. length 50 m (150ft.) Sampling ID 21 mm Pipe IPS ¾... -
Page 26: Branched Pipe Network
VESDA LaserFOCUS VLF-500 Product Guide ® The set up below shows a single pipe arrangement with 6 capillary drop pipes and a fitted end cap without a sampling hole. Legend Smoke detector Capillary tube End cap (no hole) Figure 18 - Capillary tubes, single pipe Branched pipe network The table below shows the appropriate hole sizes for pre-engineered designs for a branched pipe set up. -
Page 27: Return Air Sampling (Return Grilles)
VESDA ® LaserFOCUS VLF-500 Product Guide The set up below shows a branched pipe arrangement with 5 sampling holes per branch and fitted end caps without sampling holes. Legend Smoke detector Sampling hole End cap (no hole) Figure 19 - Open hole, branched pipe The set up below shows a branched pipe arrangement with 3 capillary drop pipes per branch and fitted end caps without sampling holes. - Page 28 VESDA LaserFOCUS VLF-500 Product Guide ® Some points to consider for setting up a pipe network are: • sampling holes should be evenly spaced (within 20% of the separation distance to each other) • an un-vented end cap should be fitted to the end of the sampling pipe •...
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Page 29: Installation Considerations
For code-specific information, see Codes and Standards Information for Air Sampling Smoke Detection on page iv. The VESDA LaserFOCUS VLF-500 smoke detector provides very early warning smoke detection specifically for small environments. The pre-engineered pipe network designs can support up to 8 sampling holes for single pipes and 12 sampling holes for branched pipe arrangements. -
Page 30: Commissioning
VESDA LaserFOCUS VLF-500 Product Guide ® 1.5 Commissioning General The VESDA LaserFOCUS has been designed to simplify commissioning processes. The AutoLearn function allows the unit to assess its environment and setup appropriate alarm and flow thresholds. The unit may also be programmed through VESDA System Configurator (VSC) software, for all programmable settings. -
Page 31: Autolearn Flow
VESDA ® LaserFOCUS VLF-500 Product Guide The AutoLearn Smoke LED will remain on for the duration of the AutoLearn process. At the start of the process the alarm thresholds are set to the default values. During this learning cycle, alarm conditions can be reported. -
Page 32: Commissioning Smoke Test
VESDA LaserFOCUS VLF-500 Product Guide ® Commissioning smoke test It is recommended that a smoke test be carried out to prove the integrity of the pipe network, to demonstrate that the system is working and to measure the transport time to the detector. This test involves introducing a smoke sample at the furthest sampling hole and then measuring the time taken for the smoke to travel to the detector. -
Page 33: Applications
VESDA ® LaserFOCUS VLF-500 Product Guide Applications The VESDA LaserFOCUS can be used for open areas, return air grilles, or for cabinet protection in many small areas including: • telecommunication facilities • computer rooms • control rooms • storage facilities •... -
Page 34: Front View
VESDA LaserFOCUS VLF-500 Product Guide ® Front view Front view of the detector as installed and operating. This view shows cable and air sampling pipe entry points, the Instant Recognition display and the fitted exhaust deflector. Legend Air inlet port Rear cable entry (not shown) Exhaust deflector Instant Recognition Display... -
Page 35: Instant Recognition Display
VESDA ® LaserFOCUS VLF-500 Product Guide Instant Recognition Display The Instant Recognition display provides you with an immediate understanding of smoke levels relative to Fire 1 alarm threshold. Legend Option Definition LED Color FIRE 2 Indicates the Fire 2 threshold has been reached. FIRE 1 Indicates the Fire 1 threshold has been reached. -
Page 36: Controls And Indicators
VESDA LaserFOCUS VLF-500 Product Guide ® Controls and indicators Control buttons are accessed by opening the field service access door. This door is opened by pressing in the security tab, on the right side of the detector, with a flat screw driver and then lifting the door by the finger clips on each side of the door (see Figure 3, “Field Service Access Door security tab and clip,”... -
Page 37: Interface Information And Control Buttons
VESDA ® LaserFOCUS VLF-500 Product Guide Interface information and control buttons Interface information and control buttons are located behind the field service access door. Legend Instant Fault Finder fault descriptions. Dual stage air filter cartridge. Alarm level definitions. Control buttons - Reset, Disable, (Instant Fault Finder) & Test. RS232 DB9F serial port. -
Page 38: Detector Control Buttons
VESDA LaserFOCUS VLF-500 Product Guide ® Detector control buttons Icon Button Description Reset Resets the Press and hold down this button to test system and the function of LEDs on the unit. resumes normal To enable or lockout this button VESDA operation. -
Page 39: Smoke Level & Instant Fault Finder Displays
VESDA ® LaserFOCUS VLF-500 Product Guide AutoLearn Automatically Pressing the recessed AutoLearn Smoke Smoke sets alarm button initiates the automatic smoke threshold values alarm set-up mode. The LED, beside the based on the button, will remain on for the duration of normal operating the AutoLearn process (up to 14 days environment. -
Page 40: Smoke Level Display
VESDA LaserFOCUS VLF-500 Product Guide ® Smoke level display The smoke level is displayed on the Smoke Dial (A) and provides incident information essential for effective response in very early warning situations. This display provides you with an instant understanding of the smoke event relative to the Fire 1 Alarm Threshold. Between 1 and 10 segments may illuminate. -
Page 41: Vlf Troubleshooting With Instant Fault Finder
VESDA ® LaserFOCUS VLF-500 Product Guide Troubleshooting with Instant Fault Finder The Instant Fault Finder function aids rapid diagnosis of faults. Fault Type Explanation Action Filter Air filter needs replacement Replace the air filter with a new due to dust or smoke unit remembering to reset the filter contamination or has reached fault. -
Page 42: Factory Defaults
VESDA LaserFOCUS VLF-500 Product Guide ® 1.8 Factory Defaults Parameter Allowed values Default values Alert Smoke Threshold 1 & 2 0.025% - 2.0% obs/m* 0.08% obs/m (0.008% - 0.625% obs/ft.) (0.025% obs/ft.) Action Smoke Threshold 1 & 2 0.025% - 2.0% obs/m* 0.14% obs/m (0.008% - 0.625% obs/ft.) (0.0448% obs/ft.) -
Page 43: Specifications
VESDA ® LaserFOCUS VLF-500 Product Guide 1.9 Specifications Power Supply Supply Voltage 24 VDC nominal (18 - 30 VDC)* Power Consumption @ 24 VDC 9.8 W nominal, 11.7 W in alarm* Current Consumption @ 24 VDC 410 mA nominal, 490 mA in alarm* *For code-specific information, see Codes and Standards Information for Air Sampling Smoke Detection on page iv. - Page 44 VESDA LaserFOCUS VLF-500 Product Guide ® Codes and Standards Information for Air Sampling 1. For code-specific information see Smoke Detection on page iv Area Covered VLF-500 500 m (5000 sq. ft.) Field Wiring Access 3 x 25 mm (1 in.) Cable entries (1 rear entry) Terminals 0.2 mm - 2.5 mm...
- Page 45 Minimum 15 minutes, maximum 15 days (default 14 days). During AutoLearn, thresholds are NOT changed from pre-set values. Referencing Reference smoke level source for networked detectors (requires a VESDAnet Interface card). Ordering Information VESDA LaserFOCUS VLF-500 VLF-500-00 European language set, English display labels. VLF-500-01 European language set, International display labels.
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Page 46: Maintenance
VESDA LaserFOCUS VLF-500 Product Guide ® Multifunction Control Card (MCC) VIC-030 with Monitored Powered Output (MPO) 1.10 Maintenance Overview The VESDA LaserFOCUS smoke detector continuously monitors its own operation and conducts frequent health checks. There are two serviceable items, the air filter cartridge and the aspirator. Caution: Electrostatic discharge precautions need to be taken prior to removing the front cover from the detector otherwise damage may occur to the detector. -
Page 47: Maintenance Schedule
VESDA ® LaserFOCUS VLF-500 Product Guide Maintenance schedule To maintain the VESDA LaserFOCUS smoke detector in peak working order follow the maintenance standards for your region and where no recommended standard exists see the table below. Please note, for environments that experience high levels of contamination, the frequency of maintenance will need to be increased. -
Page 48: Aspirator Replacement
VESDA LaserFOCUS VLF-500 Product Guide ® Filter replacement steps Ensure the detector remains powered up during filter replacement and a new filter cartridge is available: Push in the security tab and lift up the field service access door (A). Set the detector to ‘Standby’ mode by pressing the Disable button for 6 seconds. The Disabled LED begins to flash. - Page 49 VESDA ® LaserFOCUS VLF-500 Product Guide Note: Any time the aspirator is removed ensure the area surrounding the aspirator is clear of dirt and debris prior to replacement. Note: Care must be taken during aspirator replacement. The aspirator must be correctly seated;...
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Page 50: Commissioning Forms
VESDA LaserFOCUS VLF-500 Product Guide ® 1.11 Commissioning Forms VESDA Commissioning Form This is the main commissioning form for each customer site. Customer Name Site Address Installer (Name & Contact) Commissioner (Name & Contact) Checks Date: 1. Wiring Checked 2. Detector Diagnostics 3. -
Page 51: Laserfocus Vlf-500 Detector Commissioning Form
VESDA ® LaserFOCUS VLF-500 Product Guide LaserFOCUS VLF-500 Detector Commissioning Form For all VESDAnet systems, highlight the device, the zone or VESDAnet then select File > Print to file. Address (VESDA Zone) VESDA Zone Name Module type: VLF-500 Firmware version # Card inserted: VESDAnet Interface card or Multi-relay card or None Alarm Thresholds... -
Page 52: Display/Relay Configuration
VESDA LaserFOCUS VLF-500 Product Guide ® Delay Alert Airflow Action Raw Flow L/min Fire1 % Flow Fire2 Maximum sec. Transport Time observed Table 12 - LaserFOCUS VLF-500 Detector commissioning form Display/Relay Configuration Button Lockout Enabled/Disabled Smoke Test Reset Isolate AutoLearn Smoke AutoLearn Flow Relays Connected Yes/No... -
Page 53: Vesdanet Interface Card (Vic-010) (Plug-In)
VESDA ® LaserFOCUS VLF-500 Product Guide VESDAnet Interface Card (VIC-010) (plug-in) VESDAnet Interface Card Installed Yes/No Card Serial Number Preferred Port Port A/Port B Loop Open Ended on this card Yes/No Table 15 - VESDAnet Interface Card commissioning form VESDAnet Multi-Function Relay Card (VIC-020/VIC-030) (plug-in) Relay Relay... -
Page 54: Aspire2 Data
VESDA LaserFOCUS VLF-500 Product Guide ® ASPIRE2 Data Group 1 Group 2 Group 3 Group 4 Aggregate Sensitivity Balance Suction Pressure (least) Endcap Sensitivity Factor Pipe Flow Rate (L/min) Table 18 - ASPIRE2 Data commissioning form Smoke Test Test Results Test Method Type of Smoke Test Date... -
Page 55: Air Sampling Test Results
VESDA ® LaserFOCUS VLF-500 Product Guide Air Sampling Test Results Pipe or Branch 1 Branch 2 Transport Time from End Cap Hole Test 1 Initial Response Alert Action Fire 1 Fire 2 Peak Smoke Test 2 Initial Response Alert Action Fire 1 Fire 2 Peak Smoke... -
Page 56: Glossary
VESDA LaserFOCUS VLF-500 Product Guide ® 1.12 Glossary Aspirator Impeller type fan used to draw sampled air into the detector. Capillary Tubes Flexible tubes attached to the sampling pipe network for sampling specific areas or objects away from the sampling pipe. Disable Disables the fire relay outputs from actuating (previously known as Isolate) and indicates a fault. -
Page 57: Frequently Asked Questions About Vlf (Faqs)
For FAQs not specifically related to VLF, please visit www.xtralis.com. What are the order numbers for the VESDA LaserFOCUS detectors? Part Numbers can be found on the datasheets (visit www.xtralis.com to download datasheets). Where do I obtain an approval certificate for my VESDA LaserFOCUS? Visit the approval website or www.xtralis.com for the latest information. - Page 58 How do I change the filter on my VESDA LaserFOCUS? Refer to the VESDA Maintenance Guide, available on the website under www.xtralis.com for full details. VLF detectors need to have the front cover lifted. Secure the replacement filter and acknowledge the action via a configuration tool (VSC, VSM or programmer).
- Page 59 VESDA ® LaserFOCUS VLF-500 Product Guide Index ........25 ........1, 4 Applications Installation ........1 ....... 32 Area protected Instant fault finder ......40 ....... 33 Aspirator replacement Troubleshooting guide ........23 ....27 AutoLearn Flow Instant recognition display ........
- Page 60 VESDA ® LaserFOCUS VLF-500 Product Guide ........35 Specifications ..........8 Wiring ......9 General Purpose Input ........11 ........25 Power supply User interface ........... 12 Relays ....... 11 Spare terminals ....23 VESDA System Configurator...
- Page 61 VESDA LaserFOCUS VLF-500 Product Guide ®...
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