Spectrex 40/40R - Single IR Flame Detector - Manual (Page 7)

Table of Contents vii
Table of Contents
Model 40/40R Single IR Flame Detector User Guide ........................................i
Legal Notice ................................................................................................. iii
Warranty...................................................................................................... iii
Release History ............................................................................................. iv
About this Guide ............................................................................................ v
Abbreviations and Acronyms ........................................................................... vi
1 Introduction .............................................................................................1
1.1 Overview ............................................................................................. 1
1.2 Model and Types................................................................................... 2
1.3 Features and Benefits ............................................................................ 4
1.4 Principles of Operation ........................................................................... 4
1.4.1 Fire Detection Principles of Operation................................................. 4
1.4.2 Heated Optics................................................................................. 5
1.4.3 HART Protocol ................................................................................ 5
1.4.4 RS-485 Modbus .............................................................................. 5
1.4.5 Product Certification ........................................................................ 6
1.5 Performance Considerations ................................................................... 7
1.5.1 Detection Sensitivity........................................................................ 7
1.5.2 Cone of Vision ................................................................................ 8
1.5.3 False Alarms Prevention ................................................................... 9
1.5.4 Visual Indicators ........................................................................... 10
1.5.5 Output Signals.............................................................................. 11
1.5.6 Detector Status ............................................................................ 12
1.5.7 Auxiliary Relay as End-of-Line Resistor............................................. 13
1.6 Internal Detector Tests ........................................................................ 13
1.6.1 Continuous Feature Test ................................................................ 13
1.6.2 Built-In-Test (BIT) ........................................................................ 14
2 Installing the Detector............................................................................17
2.1 General Guidelines .............................................................................. 17
2.2 Unpacking the Product ......................................................................... 18
2.2.1 Checking the Product Type ............................................................. 18
2.3 Required Tools.................................................................................... 19
2.4 Certification Instructions ...................................................................... 20