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SharpEye 40M User Manual

Multi ir hydrocarbon and hydrogen flame detector
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Model 40/40M
Multi IR Hydrocarbon and Hydrogen
Flame Detector
User Guide
FM, CSA Approved:
ATEX and IECEx Approved
Class I Div. 1 Groups B, C, D
Ex II 2 GD, EExde IIB+ H2 T5 (75°C)
Class II/III Div. 1 Groups E, F, G
Document ref: TM 40/40M, Rev (3) August 2010
218 Little Falls Rd., Cedar Grove, NJ 07009, USA
Phone: +1 (973) 239 8398
Fax: +1 (973) 239 761
Web-Site: www.spectrex-inc.com; Email:
spectrex@spectrex-inc.com

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  • Page 1 Class I Div. 1 Groups B, C, D Ex II 2 GD, EExde IIB+ H2 T5 (75°C) Class II/III Div. 1 Groups E, F, G Document ref: TM 40/40M, Rev (3) August 2010 218 Little Falls Rd., Cedar Grove, NJ 07009, USA Phone: +1 (973) 239 8398 Fax: +1 (973) 239 761 Web-Site: www.spectrex-inc.com;...
  • Page 2 Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide...

  • Page 3: Legal Notice

    Legal Notice The SharpEye Optical Flame Detector described in this document is the property of Spectrex, Inc. No part of the hardware, software or documentation may be reproduced, transmitted, transcribed, stored in a retrieval system or translated into any language or computer language, in any form or by any means, without prior written permission of Spectrex, Inc.

  • Page 4: Release History

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Release History Date Revision History Prepared by Approved by July 15, 2008 First Release Ian Buchanan Eric Zinn September 23, 2008 Second Release Ian Buchanan Eric Zinn July, 2010 Third Release Ian Buchanan Eric Zinn August, 2010...

  • Page 5: About This Guide

    About this Guide This guide describes the SharpEye Model 40/40M Multi IR Flame Detector and its features and provides instructions on how to install, operate and maintain the detector. This guide includes the following chapters and appendixes:  Chapter 1, Introduction, provides a general overview of the product, principles of operation, and performance considerations.

  • Page 6: Abbreviations And Acronyms

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Abbreviations and Acronyms Abbreviation Meaning ATEX Atmosphere Explosives American Wire Gauge Built In Test Electromagnetic Compatibility End of Line Field of View HART Highway Addressable Remote Transducer- communication protocol Immune at Any Distance IECEx International Electrotechnical Commission Explosion Isopropyl Alcohol...

  • Page 7: Table Of Contents

    Table of Contents Model 40/40M Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide ................i Legal Notice ....................iii Warranty ......................iii Release History ....................iv About this Guide ....................v Abbreviations and Acronyms ................vi Introduction ....................1 Overview ....................
  • Page 8 Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Installation Cables ................23 2.5.1 Conduit Installation ................. 23 Installing the Tilt Mount (Part No. 40/40-001) .......... 24 2.6.1 Tilt Mount Specifications ..............25 2.6.2 Tilt Mount Assembly ................ 25 Connecting the Detector ................ 27 2.7.1 Verifying the Detector Wiring ............
  • Page 9 TM 40/40M, Rev. (3) August 2010 Environmental Specifications ..............47 Wiring Instructions.................. 49 General Instructions for Electrical Wiring ..........49 Typical Wiring Configurations ..............51 RS-485 Communication Network ............. 55 RS-485 Overview .................. 55 Accessories ....................57 Long Range Multi IR Fire Simulator ............57 D.1.1...
  • Page 10 Figure 15: 0-20mA Wiring Option 2 and 3 (Source 3-Wire) ........54 Figure 15: RS-485 Networking ................55 Figure 16: SharpEye Multi IR Long Range Fire Simulator 20/20-313 ......57 Figure 17: 40/40M Multi IR Detector Target Point ..........58 Figure 18: Tilt Mount ..................
  • Page 11 Table 14: Tools ....................21 Table 15: USA Version ..................25 Table 16: European Version ................25 Table 17: Model 40/40M Wiring Options ............... 28 Table 18: Sensitivity Settings ................30 Table 19: Functions ................... 31 Table 20: Default Function Values ............... 34 Table 21: Results of Successful Fire Simulator Test ..........
  • Page 12 Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide List of Tables...

  • Page 13: Introduction

    It detects hydrocarbon-based fuel and gas fires at long distances with the highest immunity to false alarms. The 40/40M can detect a gasoline pan fire at 215 ft. (65m) or a hydrogen flame at 100 ft. (30m) in less than 5 seconds.

  • Page 14: Model And Types

    Required approval The configuration detail is included in the product part number on the product label and takes the form: 40/40M XXXXX, where XXXXX defines the model according to the above requirements. To modify the default or pre-ordered configuration and perform maintenance tasks, please refer to the HART Protocol TM777030, the RS-484 Manual TM 777050 or TM777060.

  • Page 15: Table 1: Wiring Options

    Note: Wiring Option 1 is Default. The mA „Sink‟ output can be altered to „Source‟ type with a link between Terminals 1 and 8. No other wiring options can be changed on site. For example, product number 40/40M-321SC has the following options:  Wiring Option: 3 (Power, Manual BIT, RS-485, 0-20mA (Source) with the HART protocol, Fault Relay (N.O.), Alarm Relay (N.O, N.C.))

  • Page 16: Features And Benefits

    SIL-2: TÜV approved.  Hazardous Area Certification: ATEX, IECEx, FM, CSA.  EN54-10: Approved LPCB (BRE, UK). Principles of Operation This section describes the 40/40M principles of operation and includes:  Fire Detection Principle, page 4  Heated Optics, page 5 ...

  • Page 17: Heated Optics

    1.4.2 Heated Optics The SharpEye 40/40 Flame Detectors use heated optics. The heater increases the temperature of the optical surface by 5-8°F (~3-5°C) above the ambient temperature to improve performance in icing, condensation and snow conditions.

  • Page 18: Rs-485 Modbus

    This product is suitable to use in hazardous zones 1 and 2 with IIB + H group vapors present. 1.4.5.2 FM, CSA The 40/40M Flame Detector is certified to FM and CSA Explosion Proof per:  Class I, Division 1, Groups B, C and D, T5 Ta = 85°C. ...

  • Page 19: Performance Considerations

    TM 40/40M, Rev. (3) August 2010 1.4.5.4 EN54-10 The 40/40M Flame Detector is certified to EN54-10 and CPD.  The detector has been tested and approved per EN54-10 by LPCB (BRE, UK).  This test includes functional test, environmental test, EMI/EMC test and software check.

  • Page 20: Table 2: Sensitivity Range Levels

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Alarm response times for a standard fire at a specified range are shown Table 2. Table 2: Sensitivity Range Levels Level Response Time (sec) Sensitivity Range- ft. (m) 50 (15) 2 Default 100 (30) 150 (45) 215 (65)

  • Page 21: Cone Of Vision

    TM 40/40M, Rev. (3) August 2010 1.5.2 Cone of Vision 1.5.2.1 Gasoline  Horizontal: 67°  Vertical: 70° Figure 1: Vertical Field of View for Gasoline Performance Considerations...

  • Page 22: Figure 2: Horizontal Field Of View For Gasoline

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Figure 2: Horizontal Field of View for Gasoline 1.5.2.2 Hydrogen  Horizontal: 80°  Vertical: 80° Figure 3: Fields of View for Hydrogen (Horizontal and Vertical) Performance Considerations...

  • Page 23: False Alarm Prevention

    TM 40/40M, Rev. (3) August 2010 1.5.3 False Alarm Prevention To prevent false alarms, the detector will not alarm or react to the radiation sources specified in Table 4. Table 4: Immunity to False Alarm Sources Immunity Radiation Source Distance ft.(m)

  • Page 24: Visual Indicators

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide 1.5.4 Visual Indicators One 3-color LED indicator is located inside the detector window, as shown in Figure 4. The detector statuses are listed in Table 6. Table 6: LED Indications Detector Status LED color LED mode Fault, BIT Fault...

  • Page 25: Output Signals

    TM 40/40M, Rev. (3) August 2010 1.5.5 Output Signals Outputs are available according to the default configuration or the wiring options selected for the detectors. Determine the outputs for your model according to Table 7. The detector incorporates several types of output suitable to different control systems: ...

  • Page 26: Detector Status

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide 1.5.6 Detector Status The possible detector function statuses are listed in Table 8. A more detailed fault analysis can be seen via HART or RS485. Table 8: Detector Status Status Description Normal Normal operation.

  • Page 27: Auxiliary Relay As End-Of-Line Resistor

    Auxiliary Relay as End-of-Line Resistor The Auxiliary Relay can be used as End-of-Line (EOL) resistance in Model 40/40M-4XXXX, and 5XXXX only. In this case, the Auxiliary Relay is active as long as the detector is not in Fault state. Internal Detector Tests The detector performs two types of self tests: ...

  • Page 28: Built-In-Test (Bit)

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide  0-20mA level output  Relays and heater operation  Processor Watch dog  Software  Memory  Oscillator frequency Response to Fault Indication If a failure is found, the detector indicates by: ...

  • Page 29: Table 10: Results Of A Successful Bit

    TM 40/40M, Rev. (3) August 2010 1.6.2.2 Automatic BIT The detector automatically performs a BIT every 15 minutes. A successful BIT sequence does not activate any indicator. The results of a successful and unsuccessful BIT are listed in Table 10 and Table 11.

  • Page 30: Table 12: Results Of A Successful Manual Bit

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Table 12: Results of a Successful Manual BIT Output Result FAULT relay Wiring options 1, 2, and 4: remains CLOSED (Normal)  Wiring options 3 and 5: remains OPEN (Normal)  ALARM relay Activated for 3 sec (only when the function Alarm BIT is set to YES)

  • Page 31: Installing The Detector

    Installing the Detector ➣ In this chapter… General Guidelines page 19 Unpacking the Product page 20 Required Tools page 20 Certification Instructions page 22 Installation Cables page 23 Installing the Tilt Mount (Part No. 40/40-001) page 24 Connecting the Detector page 27 Configuring your Detector page 29...

  • Page 32: Unpacking The Product

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide  Environment:  Dust, snow or rain can reduce the detectors sensitivity and require more maintenance activities.  The presence of high intensity flickering IR sources may affect sensitivity.  Aiming the Detector: ...

  • Page 33: Table 14: Tools

    TM 40/40M, Rev. (3) August 2010 Table 14: Tools Tool Function Hex Key ¼ inch Mount the detector on the tilt mount Hex Key inch Open and close detector cover (for wiring) Flat Screw Driver 4 mm Connect ground terminal Flat Screw Driver 2.5 mm...

  • Page 34: Certification Instructions

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Certification Instructions Warning: Do not open the detector, even when isolated, when flammable atmosphere present. Use the following certification instructions:  The cable entry point may exceed 167°F (75°C). Suitable precautions should be taken when selecting the cable.

  • Page 35: Installation Cables

    TM 40/40M, Rev. (3) August 2010 Installation Cables Follow the following guideline for the cable installation:  All cables to the detector must be well shielded in order to comply with EMC requirement (see Technical Specifications on page 60). ...

  • Page 36: Installing The Tilt Mount (Part No. 40/40-001)

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Installing the Tilt Mount (Part No. 40/40-001) The Tilt Mount enables the detector to be rotated up to 60º in all directions. Figure 5 shows the Detector mounted on the Tilt Mount. Figure 5: Detector with Tilt Mount Installing the Tilt Mount (Part No.

  • Page 37: Tilt Mount Specifications

    TM 40/40M, Rev. (3) August 2010 2.6.1 Tilt Mount Specifications Table 15: USA Version Item Type Location Tilt Mount 40/40-001 Screw ¼" 20 UNC x ¾" Detector – Holding plate Spring Washer No. ¼" Detector - Holding plate Table 16: European Version...

  • Page 38: Figure 7: Tilt Mount Assembly

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Figure 7 shows the Tilt Mount Assembly with dimension in both millimeters and inches. Figure 7: Tilt Mount Assembly (dimensions in mm and inches) ➣ To install the Tilt Mount and Detector: Place the tilt mount in its designated location and secure it with four (4) fasteners through four (4) holes 7 mm in diameter.

  • Page 39: Connecting The Detector

    TM 40/40M, Rev. (3) August 2010 Connecting the Detector This section describes how to connect the electric cabling to the detector (Figure 8). ➣ To connect the detector to the electrical cables Disconnect the power. Remove the back cover of the detector by removing four (4) socket head-screws in the cover bolts.

  • Page 40: Verifying The Detector Wiring

    The detector has five output wiring options within the EExde integral terminal section of the enclosure. There are 12 terminals labeled 1-12. Table 17 describes the function of each terminal for all the wiring options. Table 17: Model 40/40M Wiring Options Wire Option 1...

  • Page 41: Configuring Your Detector

    TM 40/40M, Rev. (3) August 2010  0-20mA is „Sink‟ in option 1 and „Source‟ in options 2 and 3 available with the HART protocol.  In Wiring Option 1, link Terminals 1 and 8 to change the mA output to „Source‟.

  • Page 42: Sensitivity

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide  Automatic BIT – Yes  Alarm BIT – No  Auxiliary BIT – No  EOL – No  Heated Optics – Auto  Temperature – 41°F (5°C) 2.8.1 Sensitivity The detector offers four (4) sensitivity settings.

  • Page 43: Function Set-Up

    Yes: Auxiliary Relay is used as End of Line.  No: Auxiliary Relay operates in accordance with  Function 2 and 5 (default). Note: ** only available in Model 40/40M-4XXXX and 5XXXX 2.8.5 Heated Optics The heated optics can be defined as one of the following modes: ...
  • Page 44 Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Configuring your Detector...

  • Page 45: Operating The Detector

    Operating the Detector ➣ In this chapter… Powering Up page 33 Safety Precautions page 34 Testing Procedures page 35 This chapter describes how to power up and test the detector. It also includes some very important safety checks that you should make before operating the detector.

  • Page 46: Safety Precautions

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Safety Precautions After powering-up, the detector requires almost no attention in order to function properly, but the following should be noted:  Follow the instructions in this guide and refer to the drawings and specifications.

  • Page 47: Testing Procedures

    TM 40/40M, Rev. (3) August 2010 Testing Procedures This section describes the proof testing procedure for proper operation of the detector. The detector can be tested using the Manual Built-in-Test or the Spectrex Multi IR Fire Simulator - 20/20-313. The detector performs internal test continuously and automatic BIT test every 15 minutes for more details refer to Built-In-Test (BIT) on page 16.

  • Page 48: Table 21: Results Of Successful Fire Simulator Test

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Aim the Spectrex Fire Simulator Model 20/20-313 at the target point of the detector (Figure 17), in a way that the radiation emitted by it is facing directly towards the detector. (See Long Range Multi IR Fire Simulator on page 57).

  • Page 49: Maintenance And Troubleshooting

    Maintenance and Troubleshooting ➣ In this chapter… Maintenance page 37 Troubleshooting page 39 This chapter deals with preventive maintenance, describes possible faults in detector operation and indicates corrective measures. Ignoring these instructions may cause problems with the detector and may invalidate the warranty.

  • Page 50: Periodic Procedures

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide 4.1.2 Periodic Procedures In addition to preventive cleaning and maintenance, the detector should be functionally tested every six months or as dictated by local codes and regulations. These tests should also be carried out if the detector has been opened for any reason.

  • Page 51: Troubleshooting

    TM 40/40M, Rev. (3) August 2010 Troubleshooting This section is intended to be a guide to correct problems which may happen during normal operation. Table 22: Troubleshooting Table Problem Cause Corrective Action LEDs Off No power at the Check that the correct power ...
  • Page 52 Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Troubleshooting...

  • Page 53: Appendices

    Appendices Appendices...
  • Page 54 Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Appendices...

  • Page 55: Specifications

    Specifications ➣ In this appendix… Technical Specifications page 43 Electrical Specifications page 44 Outputs page 44 Mechanical Specifications page 47 Dimensions page 47 Weight page 47 Environmental Specifications page 47 Technical Specifications Spectral Response Multi IR Bands Detection Range Fuel ft.

  • Page 56: Electrical Specifications

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Electrical Specifications Table 23: Electrical Specifications Operating Status Without Voltage Outputs 0-20mA Power Normal 1.61W 1.56W Consumption Normal when Heater On 2.28W 2.16W (Max. 24VDC) Alarm 2.64W 2.28W Alarm when Heater On 3.24W 2.88W Maximum Current...

  • Page 57: Table 24: Contact Ratings

    TM 40/40M, Rev. (3) August 2010 Option 3: Power, RS-485, 0-20mA (Source) and  HART protocol, Fault Relay (N.O), Alarm Relay (N.O, N.C). Option 4: Power, RS-485, Fault Relay (N.C), Auxiliary  Relay (N.O), Alarm Relay, (N.O). Option 5: Power, RS-485, Fault Relay (N.O), ...
  • Page 58 Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide directional field communication protocol used to communicate between intelligent field instruments and the host system. HART is available in wiring options 2 and 3. Through the HART protocol the detector can: Display set-up ...

  • Page 59: Mechanical Specifications

    4" x 4.6" x 6.18" (101.6 x 117 x 157 mm) Weight Stainless Steel: 6.1 lb. (2.8 kg) Aluminium: 2.8 lb. (1.3 kg) Environmental Specifications The SharpEye 40/40I is designed to withstand harsh environmental conditions. Designed to meet MIL-STD-810C, method High Temperature ...

  • Page 60: Table 26: Electromagnetic Compatibility (Emc)

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Designed to meet MIL-STD-810C, method Salt Fog  509.1, procedure I Exposure to a 5% Salt Solution Fog for  48 hours Designed to meet MIL-STD-810C, method Dust  510.1, procedure I Exposure to a dust concentration of 0.3 ...

  • Page 61: B Wiring Instructions

    Wiring Instructions ➣ In this appendix… General Instructions for Electrical Wiring page 49 Typical Wiring Configurations page 51 General Instructions for Electrical Wiring Follow the instructions detailed in this section for determining the correct wire gauge to be used for the installation. Use Table 27 to determine the required wire gauge /size for general wiring, such as relay wiring.

  • Page 62: Table 28: Wiring Length In Feet (Meter)

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Table 28: Wiring length in feet (meter) Power Number Supply Recommended Wire Diameter (AWG) Range Detectors (VDC) 22-32 22-32 22-32 20-32 20-32 4 and less 20-32 Ft (m) (50) (100) (150) (200) (240) Max.

  • Page 63: Typical Wiring Configurations

    TM 40/40M, Rev. (3) August 2010 Typical Wiring Configurations This section describes examples of typical wiring configurations. Figure 9: Wiring Terminals Typical Wiring Configurations...

  • Page 64: Figure 11: Typical Wiring For 4 Wire Controllers (Using Option 1 Or 2 Wiring)

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Table 29: Wiring Connections Wiring Detector Terminals Option Model 40/40M-1XXXX Fault Relay 0-20mA 0-20mA N.C. Sink Sink 40/40M-2XXXX Fault Relay Alarm Relay 0-20mA N.C. N.C. Source 40/40M-3XXXX Fault Relay Alarm Relay 0-20mA N.O.

  • Page 65: Figure 12: 0-20Ma Wiring Option 1 (Sink 4-Wire) - Default

    TM 40/40M, Rev. (3) August 2010 Figure 11: 0-20mA Wiring Option 1 (Sink 4-Wire) – Default Figure 12: 0-2mA Wiring Option 1 (Converted to Source 3-Wire) Typical Wiring Configurations...

  • Page 66: Figure 14: 0-20Ma Wiring Option 1 (Unisolated Sink 3-Wire)

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide Figure 13: 0-20mA Wiring Option 1 (Unisolated Sink 3-Wire) Figure 14: 0-20mA Wiring Option 2 and 3 (Source 3-Wire available with the HART Protocol) Note: There are no 0-20mA outputs in wiring options 4 and 5. Typical Wiring Configurations...

  • Page 67: Crs-485 Communication Network

    RS-485 Communication Network ➣ In this appendix… RS-485 Overview page 55 RS-485 Overview By using the RS-485 network capability of the Multi IR detector and additional software, it is possible to connect up to 32 detectors in an addressable system with four (4) wires only (2 for power and 2 for communication).
  • Page 68 Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide RS-485 Overview...

  • Page 69: Accessories

    SharpEye Multi IR flame detector: Long Range Multi IR Fire Simulator The SharpEye Multi IR Long Range Fire Simulator 20/20-313 is designed specifically for use with SharpEye flame detectors. The Fire Simulator emits IR radiation in a unique sequential pattern corresponding to and recognizable by the detector as fire.

  • Page 70: Unpacking

    To simulate a fire: Aim the Fire Simulator towards the detector‟s Target Point. Target Point Figure 17: 40/40M Multi IR Detector Target Point When testing keep a distance of at least 50 cm (20 inches) from the detector. Press the operation button once. Fire simulation lasts for 20 seconds.

  • Page 71: Range

    TM 40/40M, Rev. (3) August 2010 D.1.3 Range Table 30: Sensitivity Ranges Sensitivity Detection Range Standard Test (ft. / m) Range (ft. / m) 1 (Low) 50 / 15 7 / 2.2 100 / 30 14.5 / 4.5 150 / 45...

  • Page 72: Technical Specifications

    Multi IR Hydrocarbon and Hydrogen Flame Detector User Guide D.1.5 Technical Specifications Explosion Proof Enclosure: Mechanical  AFM (designed to meet)  Class I, Division 1 & 2 Groups B, C and D  Class II, Division 1 & 2 Groups E, F and G ...

  • Page 73: Weather Protection - P/N 777163

    TM 40/40M, Rev. (3) August 2010 Weather Protection – P/N 777163 The weather protector protects the detector from different weather conditions, such as snow and rain. Figure 19: Weather Protection Weather Protection – P/N 777163...

  • Page 74: Laser Detection Coverage Pointer - P/N 777166

    The device is an add-on accessory that enables designers and installers to optimize detector location and assess the actual coverage of installed detectors. The device is universal and can be used with all 40/40 SharpEye Optical Flame Detectors. Figure 20: Laser Detection Coverage Pointer Air Shield –...

  • Page 75: Esil-2 Features

    40/40M Flame Detectors This appendix details the special conditions to comply with the requirements of EN 61508 for SIL-2. The 40/40M Flame Detectors can be used in low or high demand mode applications, see IEC 61508.4, Chapter 3.5.12. E.1.1 Safety Relevant Parameters Perform the following functional checks of the detector: ...
  • Page 76 It is to be considered that the contact of the Alarm Relay opens if there is a fire alarm. During the forwarding and evaluation of the alarm it must be noted that the relay contact opens. The alarm relay can be used in low demand only. 40/40M Flame Detectors...
  • Page 77 TM 40/40M, Rev. (3) August 2010 E.1.2.4 Other The complete function of the flame detector (flame detection, function of the 0-20mA interface, the relays) must be examined at least every six or twelve months, when the flame detector must be switched OFF and ON.

  • Page 78: Technical Support

    Technical Support For all technical assistance or support, contact: 218 Little Falls Road Cedar Grove, NJ 07009, USA Tel: +1 (973) 239 8398 Fax: +1 (973) 239 7614 Email: spectrex@spectrex-inc.com Web-site: www.spectrex-inc.com Your Local Authorized Distributor: SPECTREX INC. New Jersey (USA) Key Person: President: Mr.

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