Spectrex 20/20L (LB) - UV/IR Flame Detector - Manual (Page 40)

Spectrex Inc. - SharpEye TM UV/IR Flame Detector Manual – TM20/20LB Rev E, August 2004
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6.8 Selection Of Operating Modes
When wiring is completed the operational mode can be selected.
Mode selection is achieved by means of two DIPswitches listed below:
SW1 - Function switch
SW2 - Alarm Delay switch
Function switch (SW1)
Modes of operation are selected by DIPswitch (SW1) according to the selection
table (Table 4 at section 4.3.1).
Alarm Delay Switch (SW2)
An Alarm Delay may be required for certain applications. The detector has an
Alarm Delay switch (SW2), permitting time delays from 0, 3, 5, 10, 15, 20, 25
and 30 seconds respectively (see table 5).
1 Setting Function Switch (SW1): Set all eight (8) switches of SW1 to their
appropriate settings (ON/OFF), to achieve the required functional mode. See
Table 4 at section 4.3.1.
2 Setting Alarm Signal Delay Switch (SW2): Set SW2 to the appropriate
position to achieve the required time delay. See Table 5 at section 4.3.2.
3 Verify that the “O” Ring is in its groove in appropriate position on the back
cover.
• Close the detector
• Connect the housing to the cover using the alignment pin on the back
cover.
• Tighten the four (4) socket-head screws to secure the detector
housing to its back cover (tightening torque 1 Kg * M).
4 Install the four (4) set-screws that protect the socket-head screws.
The Detector is now wired, assembled as its operational mode properly set.