Spectrex 20/20L (LB) - UV/IR Flame Detector - Manual (Page 5)

Spectrex Inc. - SharpEye TM UV/IR Flame Detector Manual – TM20/20LB Rev E, August 2004
I
T ABLE OF C ONTENT
1. Scope................................................................................................................1
1.1 Product Overview ........................................................................................1
1.2 Document Overview ....................................................................................1
2. Technical Description........................................................................................2
2.1 Principles Of Operation ...............................................................................2
2.2 Sensing Elements .......................................................................................2
2.3 Detection Levels..........................................................................................3
2.4 Alarm Signal Delay......................................................................................3
2.5 Built-In-Test (BIT) Capabilities.....................................................................3
2.6 Detector Structure .......................................................................................4
2.7 System Configuration ..................................................................................4
2.8 Detector Types ............................................................................................4
3. Performance .....................................................................................................7
3.1 Detection Sensitivity ....................................................................................7
3.2 Cone Of Vision ............................................................................................9
3.3 False Alarms .............................................................................................10
4. Operation ........................................................................................................11
4.1 Visual Indications ......................................................................................11
4.2 Output Signals...........................................................................................11
4.3 Mode Selection..........................................................................................12
4.3.1 Function switch (SW1)........................................................................12
4.3.2 Alarm Delay Switch (SW2)..................................................................14
4.4 Detector States..........................................................................................15
4.5 Built-In-Test (refer to 2.5) .........................................................................16
5. Technical Specifications .................................................................................18
5.1 Electrical Specifications.............................................................................18
5.2 Mechanical Specifications .........................................................................20
5.3 Environmental Specifications ....................................................................21
6. Installation Instructions ...................................................................................22
6.1 Introduction................................................................................................22
6.2 General Considerations.............................................................................22
6.3 Preparations For Installation......................................................................23
6.4 Conduit Installation....................................................................................23
6.5 Detector Mounting .....................................................................................24
6.5.1 Swivel Mount Kit .................................................................................24
6.5.2 Swivel installation (Figure 4a and 4b) .................................................24
6.6 Wiring (Refer to Fig. 5) ..............................................................................27
6.7 Terminal Wiring (Figures 6,7) ....................................................................28
6.8 Selection Of Operating Modes ..................................................................32
7. Operating Instructions.....................................................................................33
7.1 Scope ........................................................................................................33
7.2 Power-Up ..................................................................................................33
7.3 Reset.........................................................................................................33
7.4 Functional Testing .....................................................................................34