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Related Manuals for Xtralis VESDA VLC-500-EX
Summary of Contents for Xtralis VESDA VLC-500-EX
- Page 1 VESDA VLC-EX Product Guide VLC-500-EX VLC-505-EX September 2014 Document: 20755_01 Part Number: 29881...
- Page 3 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.
- Page 4 VESDA VLC-EX Product Guide VESDA by Xtralis Scope The VESDA VLC-EX Product Guide is written to provide you with comprehensive knowledge of the detector. This guide introduces you to the VESDA VLC-EX detector features and technical specifications and gives an understanding of its components and their function.
- Page 5 This Xtralis 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.
- Page 6 Exn. Refer to the VLC data sheet (Doc no: 09362) for a list of approvals relevant to the standard VLC. While the performance requirements of the VLC-EX have been verified by Xtralis to be equivalent or better than the standard VLC, the VLC-EX is not formally listed as a product variant by these agencies.
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Page 7: Table Of Contents
VESDA by Xtralis VESDA VLC-EX Product Guide Table of Contents Introduction Configurations Features Operation Display LCD Programmer Product Configuration Product Information Specifications Product Dimensions Enclosure Materials Default Settings Relay settings and conditions to change states Auxiliary / GPI Terminals Mounting the Detector... - Page 8 VESDA VLC-EX Product Guide VESDA by Xtralis This page is intentionally left blank. www.xtralis.com...
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Page 9: Introduction
VESDA by Xtralis VESDA VLC-EX Product Guide Introduction The VESDA VLC-EX is an aspirating smoke detector providing very early warning of fire conditions by drawing air samples through an air sampling pipe network. The detector chamber can detect the presence of smoke at very low concentrations. -
Page 10: Features
VESDA VLC-EX Product Guide VESDA by Xtralis Features The VESDA VLC-EX features make it an ideal smoke detector for protecting small environments and individual objects in locations containing hazardous atmospheres: Wide sensitivity range Each detector can cover an area of up to 800 m² (8000 sq. ft.) -
Page 11: Operation
VESDA by Xtralis VESDA VLC-EX Product Guide Operation An air sampling pipe network collects air samples from a protected area. The integrated aspirator draws air into the sampling pipes through a pipe inlet manifold. For further information on air sampling pipe networks please see the Pipe Network Design and Installation Manuals. -
Page 12: Display
VESDA VLC-EX Product Guide VESDA by Xtralis Display The VESDA VLC-EX has five LEDs to indicate Alarms, Faults, OK (normal working of the detector) and Reset/Isolate status. The VLC-505-EX offers the option for a remotely mounted Display Module. Refer to Figure 2-2 on page 5 for details. - Page 13 VESDA by Xtralis VESDA VLC-EX Product Guide 2.1.2 Remote Display Module The VLC-505-EX model has the option of being connected to a Remote Display Module mounted into a Mounting Unit or a 19" Subrack, located in the safe area. Caution: Remote modules are not Ex rated and must be located in a non-hazardous area.
- Page 14 VESDA VLC-EX Product Guide VESDA by Xtralis Table 2-2: Remote Display Module (continued...) Bar graph The Bar graph is a 20 step indicator where each indicator represents an increase in the detected level of smoke, relative to the preset fire alarm level.
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Page 15: Lcd Programmer
VESDA by Xtralis VESDA VLC-EX Product Guide LCD Programmer The LCD Programmer allows configuring, commissioning and maintenance of a VESDA system. For further information please see the LCD Programmer Product Guide. A hand-held programmer can be connected to the VESDA VLC-EX VN Model (VLC-505-EX). The VESDAnet socket and VESDAnet terminals can be found on the termination card and can be accessed by removing the front cover of the detector. -
Page 16: Product Configuration
VESDA VLC-EX Product Guide VESDA by Xtralis Product Configuration Legend A Reset / Isolate Button B LED Indicators Figure 2-4: Front view of the VESDA VLC-EX detector Legend A Programming socket 15 Pin for VLC-505-EX 9 Pin for VLC-500-EX B Termination card... -
Page 17: Product Information
(To operate the VLC-EX detector Sampled Air: -20° to 60° C (-4° to 140° F) outside these parameters please Humidity: 10-95% RH, non-condensing contact your nearest Xtralis Office) Storage Conditions Humidity: dry (<95%) Temperature: 0° to 85° C (32°F to 185°F) -
Page 18: Product Dimensions
VESDA VLC-EX Product Guide VESDA by Xtralis Product Dimensions 93mm 3.66in 140mm 65mm 270mm 97mm 5.51in 2.56in 10.63in 3.83in 20mm 0.79in 31mm 1.21in 5mm 0.2in 40mm 1.59in Figure 3-1: VESDA VLC-EX detector dimensions Enclosure Materials In compliance with EN 60079-0:2009 clause 7.1, Table 3-2 below specifies the materials used in the... -
Page 19: Default Settings
VESDA by Xtralis VESDA VLC-EX Product Guide Default Settings Table 3-3: Default values for the VESDA VLC-EX detector Parameter Default Values Range Access Level Minimum Maximum Event Log - Events Smoke Level Enabled Alarms Enabled Faults Enabled User Action Enabled Fire Threshold 0.2% obs/m... -
Page 20: Relay Settings And Conditions To Change States
VESDA VLC-EX Product Guide VESDA by Xtralis Relay settings and conditions to change states Table 3-4: Default relay settings and conditions to change state Relay # Relay Condition for relay to change state Fault This relay is de-energized when one of the following... -
Page 21: Mounting The Detector
VESDA by Xtralis VESDA VLC-EX Product Guide Mounting the Detector The VESDA VLC-EX can be mounted onto the wall using the mounting bracket on any suitable secure surface. Since the VLC-EX is designed to be applied in an environment where there is potentially a hazardous atmosphere, it is important that all users are aware of and follow the guidance given in the appropriate standards, including in: EN 60079-14:2008, “Explosive atmospheres. -
Page 22: Installing The Detector
VESDA VLC-EX Product Guide VESDA by Xtralis Legend Rectangle Slots Figure 4-2: Mounting bracket into the stainless steel case Determine the ports for cable entry. Press out the tabs for the cable entry, air inlet and air exhaust ports. Installing the Detector Determine the orientation for mounting the VESDA VLC-EX detector. - Page 23 VESDA by Xtralis VESDA VLC-EX Product Guide Legend A Back of enclosure B Rectangle Slots C Enclosure Mounting Bracket Figure 4-4: Mounting the enclosure onto the enclosure mounting bracket www.xtralis.com...
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Page 25: Connecting The Vesda Vlc-Ex To The Sampling Pipe Network
VESDA by Xtralis VESDA VLC-EX Product Guide Connecting the VESDA VLC-EX to the Sampling Pipe Network Inlet Pipes The air inlet port is designed to fit a standard pipe of 25 mm (1 in) OD. The air inlet port allows the pipe to be inserted up to 15 mm (0.60 in). To connect the detector to the pipe network: 1. - Page 26 VESDA VLC-EX Product Guide VESDA by Xtralis This page is intentionally left blank. www.xtralis.com...
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Page 27: Wiring Connections
VESDA by Xtralis VESDA VLC-EX Product Guide Wiring Connections Termination Card The Termination Card acts as the interface for VESDAnet (VN Model), VESDA Link (RO Model), power supply terminals, relay and relay terminals. Since the VLC-EX is designed to be applied in an environment where there is potentially a hazardous atmosphere, it is important that all users are aware of and follow the guidance given in the appropriate standards, including in: EN 60079-17:2007, “Explosive atmospheres. - Page 28 VESDA VLC-EX Product Guide VESDA by Xtralis Terminal A Terminal B FIRE (NO) Bias (-) (GND) Fire (C) Reset (-) (GPI) PRE-ALARM (NO) Reset (+) (GPI) PRE-ALARM (C) Bias (+) FAULT (NO) LED (-) (GND) FAULT (C) LED (+) FAULT (NC)
- Page 29 VESDA by Xtralis VESDA VLC-EX Product Guide Shield Shield Shield Shield Shield Shield Module 2 Module 3 Shield Shield Module 1 (VLC) Shield Shield Module 5 Module 4 Figure 6-4: An example of the wire connection for VESDAnet (closed loop) 6.1.2...
- Page 30 VESDA VLC-EX Product Guide VESDA by Xtralis 6.1.3 Programming socket The 15 pin or 9 pin programming socket on each termination card provides the communication interface between the detector and a LCD Programmer or PC. Use the information listed below to determine the type of programming device required to program a VN or RO detector.
- Page 31 VESDA by Xtralis VESDA VLC-EX Product Guide 6.1.5 Typical Wiring to a Fire Alarm Control Panel (FACP) The diagram below shows the correct way to wire VESDA detectors to a conventional fire alarm control panel (FACP). It also shows where an End Of Line (EOL) resistor is correctly installed.
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Page 33: Power Source
VESDA by Xtralis VESDA VLC-EX Product Guide Power Source The power terminals on the termination card connect to a 24 VDC power supply. The detector has reverse polarity protection to minimize the risk of damaging the detector. Notes: The VESDA VLC-EX detector will not operate when the power supply is reversed. - Page 34 VESDA VLC-EX Product Guide VESDA by Xtralis This page is intentionally left blank. www.xtralis.com...
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Page 35: Battery Backup
VESDA by Xtralis VESDA VLC-EX Product Guide Battery Backup The power supply for the VESDA VLC-EX detector may be switched to a back up battery in the event of the supply being disrupted. The size of the battery back up is determined by local standards and codes, the total power required by the system, back up time required, allowance for reduction in capacity with age and expected temperature variations. - Page 36 VESDA VLC-EX Product Guide VESDA by Xtralis This page is intentionally left blank. www.xtralis.com...
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Page 37: Starting Up
VESDA by Xtralis VESDA VLC-EX Product Guide Starting Up Note: The VESDA VLC-EX detector must be powered up by VESDA accredited personnel only. After installing the VESDA VLC-EX detector it is necessary to power up the system. The system takes approximately 15 seconds to power up. -
Page 38: Installation Checklist
VESDA VLC-EX Product Guide VESDA by Xtralis Installation Checklist Site Name Address Detector Serial Number(s) and 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 39: Preliminary Systems Check
A preliminary systems check is required after installing the VESDA VLC-EX detector, before it is commissioned for use. The check can be conducted by connecting the detector to a LCD Programmer or by using the Xtralis VSC software. The preliminary systems check includes: Conducting a VESDAnet communications check... - Page 40 VESDA VLC-EX Product Guide VESDA by Xtralis This page is intentionally left blank. www.xtralis.com...
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Page 41: Maintaining And Servicing The Detector
VESDA by Xtralis VESDA VLC-EX Product Guide 11 Maintaining and Servicing the Detector To maintain the VESDA VLC-EX detector at its peak performance the maintenance schedule given below should be followed. Maintenance can be conducted by the original installer, a VESDA distributor, or an authorized service contractor. -
Page 42: Opening And Closing The Detector
VESDA VLC-EX Product Guide VESDA by Xtralis 11.1 Opening and Closing the Detector 11.1.1 Opening the detector Caution: Before undertaking any work on a VLC-EX detector, which would involve opening the outer stainless steel case, the area in which it is installed must be made safe, i.e. the atmosphere must be confirmed to be free from potentially combustible gas. -
Page 43: Replacing The Aspirator
VESDA by Xtralis VESDA VLC-EX Product Guide 11.2 Replacing the Aspirator 1. Remove the 4 screws securing the termination card (A) 2. Disconnect the wires on the aspirator (B) 3. Gently pull out termination card (A) from the interface card (the interface card is not visible, it is connected to the back of the termination card). - Page 44 VESDA VLC-EX Product Guide VESDA by Xtralis This page is intentionally left blank. www.xtralis.com...
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Page 45: Spare Parts
VESDA by Xtralis VESDA VLC-EX Product Guide 12 Spare Parts On larger sites having multiple detectors it is advisable to stock certain critical spare parts. A list of spare parts is given below: Table 12-1: Recommended spare parts stock Part No. - Page 46 VESDA VLC-EX Product Guide VESDA by Xtralis This page is intentionally left blank. www.xtralis.com...
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Page 47: Index
VESDA by Xtralis VESDA VLC-EX Product Guide Index relay settings system addressable loop module urgent air exhaust pipe zone air flow normalisation 12, 31 fault LEDs air flow thresholds faults latched air inlet port filter inspection air sampling pipe network... - Page 48 VESDA VLC-EX Product Guide VESDA by Xtralis LED terminals low minor second stage filter low urgent sensitivity silence button smoke level 6, 11 mains OK spare parts maintaining and servicing standby mode mode starting up mode/test button system OK indicator...
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