3 testing procedures, 1 automatic bit test, 2 manual bit test – Spectrex 40/40U-UB - UV Flame Detector User Manual
Page 47: Testing procedures, Automatic bit test, Manual bit test
TM 40/40U, Rev (7) July 2013
Testing Procedures
35
3.3
Testing Procedures
This section describes the proof testing procedure for proper operation of
the detector. The detector can be tested using the Manual Built-in-Test or
the Spectrex UV/IR Fire Simulator -20/20-311.
The detector performs internal test continuously and automatic BIT test
every 15 minutes for more details refer to Built-In-Test (BIT) on page 15.
This section includes the following topics:
Automatic BIT Test, page 35
Manual BIT Test. page 35
Testing with Fire Simulator Model 20/20-311 , page 36
3.3.1 Automatic BIT Test
Check that the indicators show normal conditions. See Powering Up on
page 33.
3.3.2 Manual BIT Test
Important: If the function setup Alarm BIT and/or Auxiliary BIT are set
to Yes (default No), the Alarm, Auxiliary Relay and 0-20mA outputs are
activated during a Manual BIT. Therefore, automatic extinguishing systems
or any external devices that may be activated during BIT must be
disconnected.
➣
To perform a Manual BIT:
1
Verify that the detector is Normal Mode.
2
Initiate Manual BIT. The results of successful and unsuccessful manual
BITs are detailed in Table 11 and Table 12.