Spectrex 20/20SI Triple IR (IR3) Flame Detector User Manual
Page 7
Spectrex Inc. - SharpEye
TM
IR3 Flame Detector Manual – TM 20/20I, Rev. (6) August 2004
III
L
IST
O
F
F
IGURES
Figure 1: IR3 Flame Detector ............................................................................................ 3
Figure 2: Flame Detector Assembly - Outline Drawing .................................................... 4
Figure 3: Horizontal and Vertical Fields of View .............................................................. 7
Figure 4: Indication LEDs.................................................................................................. 9
Figure 5: Switch Locations............................................................................................... 15
Figure 6: Electrical Interface ........................................................................................... 19
Figure 7: Flame Detector Assembly - Schematic Section ................................................ 20
Figure 8: IR3 Detector and Swivel Mount Assembly........................................................ 26
Figure 9: Swivel Mount Assembly - Outline Drawing...................................................... 27
Figure 10: Terminal Board............................................................................................... 30
Figure 11: Flame Detector Assembly - Wiring Diagram ................................................. 31
Figure 12: IR3 Flame Detector with cover removed........................................................ 32
Figure 13: Flame Detector Wiring Diagram.................................................................... 41
Figure 14: Typical wiring diagram for 4 wire controllers ............................................... 42
Figure 15: Typical wiring diagram for controllers with alarm & fault loops.................. 43
Figure 16: 4-20mA wiring ................................................................................................ 44
Figure 17: RS-485 networking.......................................................................................... 45
Figure 18: Flame Detector Assembly - Wiring Diagram ................................................. 49
Figure 19: OPTION A Flame Detector Assembly - Wiring Diagram (“de version”)..... 50
Figure 20: OPTION B Flame Detector Assembly - Wiring Diagram (“de version”)..... 50
Figure 21: Fire Simulator................................................................................................. 51
Figure 22: IR3 Detector Target Point .............................................................................. 52
L
IST OF
T
ABLES
Table 1: Alarm Response Time Versus Range.................................................................... 5
Table 2: Response Sensitivity Ranges................................................................................. 6
Table 3: Immunity To False Alarm Sources ....................................................................... 8
Table 4: Welding Immunity Distance ................................................................................. 8
Table 5: Output Signals Versus Detector State ................................................................ 10
Table 6: Function Switch SW1.......................................................................................... 12
Table 7: Sensitivity range ................................................................................................. 12
Table 8: Address Switches SW2........................................................................................ 13
Table 9: SW2 Address Setting........................................................................................... 13
Table 10: SW3 Alarm Delay Setting ................................................................................. 14
Table 11: Contact Ratings ................................................................................................ 20
Table 12: Mounting according to US Version.................................................................. 25
Table 13: Mounting according to EU Version ................................................................. 25
Table 14: Maximum DC resistance at 68˚F for copper wire............................................ 39
Table 15. Wiring length in feet (meter)............................................................................. 39