Spectrex 20/20SH - Hydrogen Flame Detector User Manual
Page 7
Spectrex Inc. - SharpEye
TM
Hydrogen (SH) Flame Detector Manual – TM 784600, Rev. A, May 2005
III
L
IST
O
F
F
IGURES
Figure 1: Hydrogen (SH) Flame Detector.......................................................................... 3
Figure 2: Flame Detector Assembly - Outline Drawing .................................................... 4
Figure 3: Horizontal and Vertical Fields of View .............................................................. 6
Figure 4: Indication LEDs.................................................................................................. 8
Figure 5: Detector Setup Screen....................................................................................... 11
Figure 6: Electrical Interface ........................................................................................... 17
Figure 7: Flame Detector Assembly - Schematic Section ................................................ 19
Figure 8: Hydrogen Detector and Swivel Mount Assembly ............................................. 25
Figure 9: Swivel Mount Assembly - Outline Drawing...................................................... 26
Figure 10: Terminal Board............................................................................................... 29
Figure 11: Flame Detector Assembly - Wiring Diagram ................................................. 30
Figure 12: Hydrogen Flame Detector with cover removed.............................................. 31
Figure 13: Flame Detector Wiring Diagram.................................................................... 39
Figure 14: Typical wiring diagram for 4 wire controllers ............................................... 40
Figure 15: Typical wiring diagram for controllers with alarm & fault loops.................. 41
Figure 16: 4-20mA wiring ................................................................................................ 42
Figure 17: RS-485 networking.......................................................................................... 43
Figure 18: Flame Detector Assembly - Wiring Diagram ................................................. 47
Figure 19: OPTION A Flame Detector Assembly - Wiring Diagram (“de version”)..... 48
Figure 20: OPTION B Flame Detector Assembly - Wiring Diagram (“de version”)..... 48
L
IST OF
T
ABLES
Table 1: Alarm Response Time Versus Range.................................................................... 5
Table 2: Response Sensitivity for other Fuels..................................................................... 6
Table 3: Immunity To False Alarm Sources ....................................................................... 7
Table 4: Welding Immunity Distance ................................................................................. 7
Table 5: Output Signals Versus Detector State .................................................................. 9
Table 6: Function Setup.................................................................................................... 12
Table 7: Sensitivity range ................................................................................................. 12
Table 8: Time delay .......................................................................................................... 13
Table 9: Contact Ratings .................................................................................................. 18
Table 10: Mounting according to US Version.................................................................. 24
Table 11: Mounting according to EU Version ................................................................. 24
Table 12: Maximum DC resistance at 68˚F for copper wire............................................ 37
Table 13. Wiring length in feet (meter)............................................................................. 37