Spectrex Series 300 Open-Path Gas Detection System - Manual (Page 7)

Spectrex Inc. - SafEye TM 300 Gas Detector Manual – TM 794100, Rev. D, May 2004
III
7. Maintenance Instructions...................................................................................... 49
7.1 General Maintenance............................................................................................ 49
7.2 Perio dic Maintenance ........................................................................................... 49
7.2.1 Routine Optical Surface Cleaning ................................................................... 50
7.2.2 Signal Verification ........................................................................................... 50
7.2.3 Function Check of Unit.................................................................................... 51
7.2.4 Maintenance Records ....................................................................................... 51
8. Troubleshooting.......................................................................................................52
Appendix A - Wire Selection Tables .......................................................................53
Appendix B: Wiring Option configurations...........................................................55
Appendix C: Outline Drawing ...................................................................................59
Appendix D - Mounting the “EExde approved” version....................................63
L IST O F F IGURES
Figure 1: Light Source – Reflector Type ............................................................................ 6
Figure 2: Detector .............................................................................................................. 7
Figure 3. Detector’s Wiring Diagram .............................................................................. 12
Figure 4. Detector Terminal Board .................................................................................. 13
Figure 5. Light Source Terminal Board ........................................................................... 14
Figure 6. Detector/Light Source and Swivel Mount Assembly for Standard Installation 26
Figure 7. Tilt Mount Assembly.......................................................................................... 27
Figure 8. Detector/Source and Tilt Mount Assembly ....................................................... 28
Figure 9. Drilling Layout Dimensions for Duct Installation ............................................ 31
Figure 10. Detector/Light Source and Duct Mount Installation scheme.......................... 33
Figure 11. Duct Mount Installation - Outline Drawing ................................................... 34
Figure 12. Telescope Alignment Set ................................................................................. 36
Figure 13. Detector with Cover (removed)....................................................................... 39
Figure 14. Light Source - Open View ............................................................................... 42
Figure 15. Alignment and Mode Selection ....................................................................... 44
Figure 16. SafEye Light Source/ Detector Alignment ...................................................... 44
Figure 17. Detector’s Wiring Diagram ............................................................................ 55
Figure 18. 4-20mA Source Output .................................................................................... 56
Figure 19. Typical 4 Wire Controller ............................................................................... 56
Figure 20. RS -485 Networking ......................................................................................... 57
Figure 21. Detector Outline Drawing With Swivel Mount .............................................. 59
Figure 22. Source Outline Drawing (Reflector Type) With Swivel Mount...................... 60
Figure 23. Detector and Tilt Mount Outline Drawing .................................................... 61
Figure 24. Source and Tilt Mount Outline Drawing ....................................................... 62
Figure 25: Flame Detector Assembly - Wiring Diagram ................................................. 64
Figure 26: OPTION A Detector Assembly - Wiring Diagram ....................................... 65
Figure 27: OPTION B Detector Assembly - Wiring Diagram ........................................ 65