Ampac MAN 3038 Product Manual
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Ampac MAN 3038 Product Manual

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Discovery Product Guide
MAN 3038

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Summary of Contents for Ampac MAN 3038

  • Page 1 Discovery Product Guide MAN 3038...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Page No. Introduction ..........................1 Communications ........................1 Discovery Feature-Smoke & Heat Detectors ................. 2 Response Setting: ......................2 User bytes and other stored data:.................. 2 Flashing LED: ......................... 2 Remote test feature: ...................... 3 Rejection of transient signals: ..................3 Interchangeability: ......................
  • Page 3 Application of Discovery Detectors ..................28 Approvals ..........................30 Acknowledgement ........................30...

  • Page 4: Introduction

    DISCOVERY PRODUCT GUIDE Introduction Discovery® is a range of high-specification, analogue addressable fire detectors and alarm devices. Discovery detectors offer effective false alarm management by a combination of EN54 approved operating modes and sophisticated algorithms. Drift compensation further reduces the likelihood of false alarms caused by a build-up of dust in the sensing chamber.

  • Page 5: Discovery Feature-Smoke & Heat Detectors

    DISCOVERY PRODUCT GUIDE Discovery Feature-Smoke & Heat Detectors Response Setting: Each detector in the Discovery range can operate in one of five response modes, any of which can be selected from the control panel. Each mode corresponds to a unique response behaviour, which can be broadly related to sensitivity to fire.

  • Page 6: Remote Test Feature

    DISCOVERY PRODUCT GUIDE Remote test feature: This feature, available on all Discovery detectors and the call points, is enabled from the control panel by changing the state of a forward command bit. On receipt of the command the detector is forced by electrical means into an alarm condition.

  • Page 7: Discovery Features- Smoke Detectors

    DISCOVERY PRODUCT GUIDE Discovery Features- Smoke Detectors Drift compensation: Al l Discovery smoke detectors include compensation for sensor drift as part of the internal signal processing algorithm. The algorithm will compensate for changes in sensor output caused, for example, by dust in the chamber, and will therefore hold the sensitivity at a constant level even with severe chamber contamination.

  • Page 8: Optical Smoke Detector

    DISCOVERY PRODUCT GUIDE Optical Smoke Detector Operating Principles: The Discovery Optical Detector has a white moulded polycarbonate case with wind-resistant smoke inlets. The indicator LEDs are colourless when the detector is in quiescent state and red in alarm. Within the case is a printed circuit board which, on one side, has the light-proof chamber with integral gauze surrounding the optical measuring system and, on the other, the signal processing and communications electronics.

  • Page 9: Technical Data

    DISCOVERY PRODUCT GUIDE Technical Data: Specifications are typical and given at 23° C and 50% relative humidity unless specified otherwise. Detector Type: Point type smoke detector for fire detection and alarm systems for buildings Detection Principle: Photo-electric detection of light scattered in a forward direction by smoke particles Chamber Configuration: Horizontal optical bench housing an infra-red emitter and sensor arranged...

  • Page 10: Optical/Heat Multisensor Detector

    DISCOVERY PRODUCT GUIDE Optical/Heat Multisensor Detector Operating Principles: The Discovery Multisensor construction is similar to that of the optical detector but uses a different lid and optical mouldings to accommodate the thermistor (heat sensor). The sectional view (Fig 3) shows the arrangement of the optical chamber and the thermistor.
  • Page 11 DISCOVERY PRODUCT GUIDE Smoke Minimum Sensitivity Temperature Response Mode Time to Alarm (grey smoke) Sensitivity Type (seconds) %/m dB/m >15° C 0.05 Multisensor Increase Not set to heat 0.09 Optical response >21° C 0.12 Multisensor Increase >15° C 0.19 Multisensor Increase No response to Refer Mode 5...

  • Page 12: Technical Data

    DISCOVERY PRODUCT GUIDE Technical Data: Specifications are typical and given at 23° C and 50% relative humidity unless specified otherwise. Detector Type: Point type heat detector for fire detection and alarm systems for buildings Detection Principle: Smoke: Photo-electric detection of light scattered in a forward direction by smoke particles Heat: Temperature dependant resistance Chamber Configuration:...

  • Page 13: Ionisation Smoke Detector

    DISCOVERY PRODUCT GUIDE Ionisation Smoke Detector Operating Principles: The Discovery Ionisation Smoke Detector uses the same outer case as the optical smoke detector and is distinguished by the red indicator LEDs. Inside the case is a printed circuit board which has the ionisation chamber mounted on one side and the signal processing and communications electronics on the other.
  • Page 14 DISCOVERY PRODUCT GUIDE Alarm Threshold Minimum time to Mode y value alarm (sec) 0.45 0.45 0.70 0.70 Table 3 – Ionisation Detector Operating Modes (rates comply with EN54-7: 2000 Product Codes Product Description EN54-7 AS7240-7 Discovery Ionisation 58000-500AMP 4106-2006 Safety Note In the United Kingdom, ionisation smoke detectors are subject to the requirements of the Radioactive Substances Act 1993 and to the Ionising Radiations Regulations 1999 made under the provisions of the Health and Safety at Work Act 1974.

  • Page 15: Technical Data

    DISCOVERY PRODUCT GUIDE Technical Data: Specifications are typical and given at 23° C and 50% relative humidity unless specified otherwise. Detector Type: Point type smoke detector for fire detection and alarm systems for buildings Detection Principle: Ionisation Chamber Chamber Configuration: Twin compensating chambers using one single sided ionising radiation source Radioactive isotope: Americium 241...

  • Page 16: Carbon Monoxide / Heat Multisensor Detector

    DISCOVERY PRODUCT GUIDE Carbon Monoxide / Heat Multisensor Detector Operating Principles: The Discovery CO/Heat Multisensor Detector contains a CO detection cell and a thermistor temperature sensor whose outputs are combined to give the final analogue value. The way in which the signals from the two sensors are combined depends on the response mode selected.

  • Page 17: Technical Data

    DISCOVERY PRODUCT GUIDE Product Codes Product Description EN54-5, LPS1274 & 1265 AS7240-5 Discovery CO / Heat Multisensor 58000-305AMP 4106-2009 Technical Data: Specifications are typical and given at 23° C and 50% relative humidity unless specified otherwise. Detector Type: Point type detector for fire detection and alarm systems for buildings Detection Principle: CO: Ambient carbon monoxide level Heat: Temperature dependant resistance...

  • Page 18: Carbon Monoxide Detector

    DISCOVERY PRODUCT GUIDE Carbon Monoxide Detector Operating Principles: Discovery CO fire detectors contain a long-life electro-chemical carbon monoxide sensor which is tolerant of low levels of common vapours and household products. The sensing technology is fast, accurate and needs only very low power. The detection capabilities are enhanced by a rate sensitive response.
  • Page 19 DISCOVERY PRODUCT GUIDE The behaviour of CO is therefore unpredictable and diffusion should not be relied on when designing a fire protection system. False Alarms Carbon monoxide detectors are less susceptible than smoke detectors to false alarms from sources such as toast, steam, cooking, plumbing work and hair spray.
  • Page 20 DISCOVERY PRODUCT GUIDE Maintenance and Service The electrochemical cell used in the Discovery CO fire detector has a more limited life than would normally be expected from a smoke detector. In a typical environment, the life of the cell is seven years. High temperature or low relative humidity can, however, reduce the life significantly.

  • Page 21: Technical Data

    DISCOVERY PRODUCT GUIDE Technical Data: Specifications are typical and given at 23° C and 50% relative humidity unless specified otherwise. Detector Type: Point type detector for fire detection and alarm systems for buildings Detection Principle: Ambient carbon monoxide level Supply Wiring: Two wire monitored supply, polarity insensitive Terminal Functions: L1 and L2 supply in and out connections...

  • Page 22: Heat Detector

    DISCOVERY PRODUCT GUIDE Heat Detector 10.1 Operating Principles: Discovery heat detectors have a common profile with ionisation and optical smoke detectors but have a low air flow resistance case made of self extinguishing white polycarbonate. The Discovery Heat Detector uses a single thermistor to sense the air temperature at the detector position.

  • Page 23: Technical Data

    DISCOVERY PRODUCT GUIDE Application Class Static Response Temperature ° C Mode AS1603-1 Temperature EN54-5 Typical Typical Type A&B Type C Type D Table 6 – Heat Detector Response Modes For air temperature in the range 15° C to 55° C, the analogue value for a detector in mode 1 will correspond approximately to the air temperature.

  • Page 24: Mounting Bases

    DISCOVERY PRODUCT GUIDE Mounting Bases 11.1 Technical Description: Item No Description 45681-210AMP XP95/Discovery Detector Base with Xpert Card All detectors in the Discovery range fit into XP95 mounting bases. An earth connection is not required for either safety or correct operation of detectors.

  • Page 25: Manual Call Point

    DISCOVERY PRODUCT GUIDE Manual Call Point 12.1 Operating Principles: Item No Description 58100-908AMP Discovery Manual Call Point with Isolator 58100-910AMP Discovery Manual Call Point The Discovery EN54–11:2001 compliant Manual Call Point (MCP) is based on the KAC conventional MCP range. It is electronically and mechanically compatible with previous call points based on KAC’s World Series product.

  • Page 26: Technical Data

    DISCOVERY PRODUCT GUIDE Item No Colour Deformable Backbox Isolator Non- Waterproof Element for surface Isolator IP67 Rated 58100-908AMP 58100-951AMP (213-0067) 58100-926 White 58100-927 Yellow 58100-928 Blue 58100-929 Green 58100-953 Yellow Table 7 – Manual Call Point Item Numbers 12.3 Technical Data: Specifications are typical and given at 23°...

  • Page 27: Interfaces

    Mini Switch Monitor monitors the operation of a switch and is small enough to fit into other • equipment For further information on the range of compatible interfaces refer to Ampac Product Guide MAN3040. Isolators All XP95 isolators and isolating bases are suitable for use with Discovery detectors and manual call points.

  • Page 28: Sounder Beacon Base

    DISCOVERY PRODUCT GUIDE Sounder Beacon Base The Discovery Sounder Beacon Base is a multifunctional device comprising a mounting base for Discovery fire detectors, a sounder, a beacon and a short-circuit isolator. The Discovery Sounder Beacon Base is used to provide audible and visual warning of fire and is controlled by the fire control panel by means of the Discovery protocol.
  • Page 29 DISCOVERY PRODUCT GUIDE Features 15 evacuation tones and 15secondary or alert tones • 7 volume levels • Software-defined group addressing • Alarm switching by individual device, by group or of all devices on loop • Independent control of sounder and beacon •...

  • Page 30: Open Area Sounder Beacon

    DISCOVERY PRODUCT GUIDE Open Area Sounder Beacon The Discovery® Open Area Sounder Beacon is an alarm device comprising a sounder, a beacon and a short circuit isolator for use with Discovery detection systems. It is supplied with a mounting base which incorporates a short-circuit isolator. The Discovery Open Area Sounder Beacon is used to provide audible and visual warning of fire and is controlled by the fire control panel by means of the Discovery protocol.

  • Page 31: Maintenance Of Detectors

    Detectors should be maintained according to BS5839 or other locally applicable code. Test equipment can be ordered from Ampac for testing smoke and heat detectors. Detectors should not be cleaned in the field except for careful removal of exterior dirt with a damp cloth. For cleaning and recalibration detectors should be returned to the manufacturer or to the local distributor.
  • Page 32 DISCOVERY PRODUCT GUIDE At the other extreme, response mode 5 will be suited to more dusty or smoky environments such as loading areas where diesel forklift trucks are operating. Response mode 3 is a general-purpose setting for which the response is similar to that of the corresponding XP95 detector. It will be seen, then, that it is often more useful to think of particular response modes being suited to different environments rather than simply having different sensitivity to fire.
  • Page 33 All Discovery products will comply with the marking requirements of the WEEE Directive, 2002/96/EC. Acknowledgement The Discovery range of detectors and products are manufactured for Ampac by Apollo Fire Detectors Ltd. UNCONTROLLED DOCUMENT NOTE: Due to AMPAC’s commitment to continuous improvement specifications may change without notice.

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