Xtralis VESDA VLC-400 Product Manual
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Xtralis VESDA VLC-400 Product Manual

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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 Xtralis VESDA VLC-400

  • Page 1 VESDA VLC-400 Product Guide June 2014 Document: 03494_11 Part Number: 18938...
  • 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-400 Product Guide VESDA by Xtralis 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.
  • Page 5 This Xtralis VSC 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 EN 54-20 21 CFR 1010.2 21 CFR 1010.3 FCC Class B EN 61000-6-3 EN 50130-4 Regional approvals listings and regulatory compliance vary between VESDA product models. Refer to www.xtralis.com for the latest product approvals matrix. Document: 03494_11 Part Number: 18938 www.xtralis.com...

  • Page 7: Table Of Contents

    VESDA by Xtralis VESDA VLC-400 Product Guide Table of Contents Introduction Scope Overview Product Description and Functions Detector Assembly Front Panel Main Enclosure Functions Communications with Apollo Protocol Dimensions Specifications Pipe Network Primary Sampling (of Air Handling Unit return grilles)
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  • Page 9: Introduction

    PC running Xtralis VSC with the default settings as mentioned in Section 2.5.6 on page 13. The detector also supports AutoLearn, which may be invoked for a period of up to 14 days using Xtralis VSC. At the end of the AutoLearn period the sensitivity of all 5 modes is set to the AutoLearn result. Refer to Section 8.7 on page 31 for further information.
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  • Page 11: Product Description And Functions

    The VESDA VLC-400 is a standalone aspirating smoke detector. The VESDA VLC-400 Front Cover supports five (5) LED’s: Fire, Flow, Fault, OK and Filter. The main enclosure houses all the key components of the detector, which are mounted away from general access.
  • Page 12 VESDA VLC-400 Product Guide VESDA by Xtralis 2.2.1 LED Functions The functions of the LED indicators on the front panel from top to bottom are described in 2.2.1. Table 2-1: LED Functions Function FIRE This RED LED illuminates when the Fire alarm threshold is exceeded.

  • Page 13: Main Enclosure

    VESDA by Xtralis VESDA VLC-400 Product Guide Main Enclosure The main enclosure houses the following components: Termination card (refer to Section 2.3.1) Laser detection chamber (refer to Section 2.3.7) Air filter cartridge (refer to Section 2.3.5) Air exhaust port (refer to Section 2.3.6) Aspirator (refer to Section 2.3.4)
  • Page 14 2.3.1 Termination Card The termination card provides the physical interface between the VESDA VLC-400 detector and the fire panel and allows power, VESDAlink and other auxiliary wires to be connected to the detector. The termination card is attached to the main enclosure by four screws (see Figure 2-2) and contains: PC connector: The DB9 connector provides the communications interface for programming the detector using Xtralis VSC.
  • Page 15 VESDA by Xtralis VESDA VLC-400 Product Guide Figure 2-4: Field Wiring Connection 2.3.2 Cable Entry Ports There are four cable entry ports on the right hand side of the detector, as shown in Figure 2-2. The cable entry ports are 27mm diameter and supports cable diameters up to 18mm (¾in) with a suitable cable gland fitted (cable gland is not supplied).
  • Page 16 VESDA VLC-400 Product Guide VESDA by Xtralis The expected filter operating life is 5 years in a clean environment. In dusty environments the life expectancy of the filter is reduced. The detector monitors the air filter life and indicates when it is time to change the filter.

  • Page 17: Functions

    2.4.7 Remote LED The remote LED may be configured via Xtralis VSC to mimic the Fire LED on the VESDA VLC-400 or be directly controlled by the fire panel. If the remote LED is not illuminated by an alarm condition it will flash once every 30 seconds to indicate fault- free operation.

  • Page 18: Communications With Apollo Protocol

    2.5.2 Types The VESDA VLC-400 detector can be reported as one of two types, aspirating (152) or optical (160). The default type setting is aspirating (152). The detector type is selectable via Xtralis VSC. Table 2-2: Bit Types for Aspirated and Optical Type VESDA VLC-400...
  • Page 19 Each mode is alterable via Xtralis VSC. The factory default mode is Mode 3. When the VESDA VLC-400 communicates with the fire panel, the message contains the sensitivity mode being used.
  • Page 20 VESDA VLC-400 Product Guide VESDA by Xtralis Figure 2-6: Xtralis VSC Smoke Threshold Tab 2.5.7 Digital value reporting The digital value used to indicate the obscuration level reported to the fire panel is dependent on the type of detector set.

  • Page 21: Dimensions

    VESDA by Xtralis VESDA VLC-400 Product Guide Dimensions The physical dimensions of the VESDA VLC-400 detector are shown below. Figure 3-1: Dimensions (Front & Side Views) www.xtralis.com...
  • Page 22 VESDA VLC-400 Product Guide VESDA by Xtralis 205mm 8.07in 112.5mm 4.43in 225mm 8.86in Figure 3-2: Dimensions with Mounting Brackets (Rear View) www.xtralis.com...

  • Page 23: Specifications

    VESDA by Xtralis VESDA VLC-400 Product Guide Specifications Table 4-1: Detector Specifications Specification Description Supply Voltage 18 to 30VDC (nominally 24VDC) Power Consumption 5.4W quiescent state, 5.9W alarm state Current Consumption 225mA quiescent state, 245mA alarm state Fuse Rating 1.6A Dimensions (WHD) 225mm x 225mm x 85mm (8 7/8”...
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  • Page 25: Pipe Network

    Figure 5-1: Sampling an AHU Secondary Sampling (room or void protection) VESDA VLC-400 detectors may be used to protect open areas up to 800m². This is generally achieved by positioning sampling holes according to the standards relating to conventional point detectors.

  • Page 26: Pre-Engineered Solutions For Secondary Sampling

    Where a small pressure difference is present but it is not practical to return the exhaust, the VESDA VLC-400 may still be deployed but it may be necessary to remove the pipe while the aspirator is off during flow normalization (refer to Section 8.6 on page 30) to prevent residual flows corrupting the normalization process and to ensure that the flow monitor operates correctly.

  • Page 27: Capillary Sampling

    VESDA by Xtralis VESDA VLC-400 Product Guide Capillary sampling Capillary sampling consists of 8mm OD flexible tubes up to 2m long, running from the main pipe work in place of standard sampling holes. Longer capillary tubes (up to 8m long) may be used but system performance must be verified using the ASPIRE2 pipe modeling software.
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  • Page 29: Factory Default Settings

    VESDA VLC-400 Product Guide Factory Default Settings The VESDA VLC-400 is shipped from the factory with the default settings as shown in Table 6-1. Only authorized personnel at the Administrative (ADM) or Distributor (DST) level may alter these values (refer to Section 8.2 on page 29)
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  • Page 31: Installation

    Check the VESDA VLC-400 detector for any signs of shipping damage. Inform your distributor if there is any damage. Identify the location of where the detector is to be mounted. It should be noted that the VESDA VLC-400 detector could be mounted on a wall or a suitable secure surface (refer to Section 7.2).

  • Page 32: Fastening The Mounting Bracket

    VESDA VLC-400 Product Guide VESDA by Xtralis Fastening the mounting bracket Warning: Ensure there are no electrical wires or plumbing behind the selected mounting position before drilling. Ensure the mounting surface is flat. Fasten the mounting bracket to the surface. Ensure the detector is correctly positioned, level and that the hooks point upwards (see Figure 7-2).

  • Page 33: Connecting Power And Signal Cabling

    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...

  • Page 34: Setting The Address Loop Dip Switches

    1. Check all plastic pipe-connecting joints are fully sealed and bonded with glue to eliminate unwanted air leaks. If applicable, check all metal pipe joints are sealed to eliminate unwanted air leaks. 2. Check the pipe joint at the air inlet to the VESDA VLC-400 is not bonded and fits firmly into the air inlet socket.

  • Page 35: Commissioning

    Prior to powering up the detector ensure the checks as per Chapter 7 have been performed. Powering up sequence When the VESDA VLC-400 is powered up, the LED's are illuminated in a specific test sequence. During the test sequence all LED’s are operated – if any fail to operate the reasons must be investigated.

  • Page 36: Airflow Commissioning

    ASPIRE2 pipe modelling software. Airflow Commissioning The VESDA VLC-400 needs to normalize the amount of air flowing through the detector. This is achieved using the ‘Normalize Air Flow’ command from the Device menu in Xtralis VSC. Normalizing is used to set a reference point for normal airflow through the detector. If later the airflow varies by more than the preset values set in the ‘Airflow’...

  • Page 37: Autolearn

    Figure 8-2: AutoLearn Option The Fault LED on the detector remains ON while the RS232 cable is connected and Xtralis VSC is active. At the same time the panel sees the detector as being in a fault condition until the program and socket are removed.
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  • Page 39: Maintenance

    Note: The rear cover of the detector MUST NOT be removed, as this will void the warranty. Schedule Table 9-1 lists the maintenance schedule necessary to maintain the VESDA VLC-400 in peak working order. Table 9-1: Maintenance Schedule Action Frequency...

  • Page 40: Replaceable Items Procedure

    Device menu in Xtralis VSC. Alternatively if the same filter is refitted, the fault can be cleared. In the Device menu in Xtralis VSC, select No to the prompt “Has a new filter been fitted?” in the ‘Reset Filter Settings’ option. The existing filter life is continues to be monitored.
  • Page 41 9.2.2 Replacing the aspirator Disassembly 1. Disconnect all power to the VESDA VLC-400 detector. 2. Remove the four screws (A) securing the termination card. 3. Disconnect the aspirator cable loom from the connector on the aspirator. 4. Gently pull out termination card (B) from interface card (connected behind).
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  • Page 43: Troubleshooting

    10 Troubleshooting 10.1 Interrogating fault conditions The fault status of the VESDA VLC-400 is reported in summary form to the FACP and may also be directly interrogated use a PC running the Xtralis VSC application. 10.1.1 Faults reported to the FACP A small number of summary faults may be reported to the FACP using the analog values in the range 0 to 7 inclusive, providing the analog smoke value is <45.
  • Page 44 VESDA VLC-400 Product Guide VESDA by Xtralis Table 10-2: VLC-400 Applicable Faults and Classification List (continued...) Fault No. Description Cause Action Fault Classification Filter removed The air filter has been Replace the filter. If Urgent removed from the problem persists check detector filter switch.
  • Page 45 VESDA by Xtralis VESDA VLC-400 Product Guide Table 10-2: VLC-400 Applicable Faults and Classification List (continued...) Fault No. Description Cause Action Fault Classification User list corrupt Data in the list of users Accept the factory Minor is corrupt defaults using Xtralis VSC.
  • Page 46 The Troubleshooting section in the Xtralis VSC online help contains a comprehensive listing of faults including probable cause and action to be taken to rectify the fault. www.xtralis.com...

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