Introduction
FV-40 Series Flame Detector
087-0056 REV F
24
1.6.1.2 Automatic BIT
The detector automatically performs a BIT every 15 minutes. A successful
BIT sequence does not activate any indicator.
All outputs of BIT results function as described in Table 12 and
Table 13.
Table
13: Results of an Unsuccessful BIT, and the BIT is automatically
executed every 1 minute. This continues until a successful BIT occurs, when
the detector resumes normal operation.
Table 12: Result of a Successful BIT
Output
Result
Fault relay
Wiring Option: 1- or 2- or 4- remains CLOSED
Wiring Option: 3- or 5- remains OPEN
0-20mA
output
Wiring Option: 1- or 2- or 3- Normal (4 mA)
Power LED
Green, Flashing, 1 Hz On (Normal)
Table 13: Results of an Unsuccessful BIT
Output
Result
Fault relay
Wiring Option: 1- or 2- or 4- changes to Open
Wiring Option: 3- or 5- changes to Closed
0-20mA output Wiring option 1, 2, 3: BIT Fault (2mA)
Power LED
Yellow, Flashing, 4 Hz
BIT procedure
Performed every 1 minute
1.6.1.3 Manual
BIT
The BIT is manually initiated by momentarily connecting Terminal 3 with
Terminal 2 (or a switch across these terminals in the safe area).
The results of a successful and unsuccessful Manual BIT are listed in
Table 14 and Table 15.