Spectrex 40/40L-LB UV/IR Flame Detector Series - Manual (Page 45)

Powering Up 33
3 Operating the Detector
➣ In this chapter…
Powering Up page 33
Safety Precautions page 34
Testing Procedures page 35
This chapter describes how to power up and test the detector. It also
includes some very important safety checks that you should make before
operating the detector.
3.1 Powering Up
This section describes how to power up the detector. Follow these
instructions carefully to obtain optimal performance from the detector over
its life cycle:
➣ To power up the detector:
1 Turn on the power.
2 Wait approximately 60 seconds for the detector to finish the start-up
procedure.
Applying power initiates the following sequence of events:
 The yellow LED flashes at 4 Hz.
 BIT is executed.
If successful, the green LED flashes at 1 Hz and the FAULT relay contacts
close, mA output is 4 mA.
3 Enter to Normal mode.
Note: The majority of detectors are used in the default non-latching alarm
mode. Only perform a Reset when the Latching alarm option has been
programmed.
➣ To reset a detector when in it is in a LATCHED ALARM state:
 Do one of the following:
 Disconnect power (Terminal Number 1 or Terminal Number 2).
or
 Initiate a Manual BIT.