
Structure and function
5
Setup
33
Building Technologies
008250_i_en_--
Fire Safety
2013-08-15
Detector line connections
NOTICE
Connecting the FDUL221 line tester incorrectly may damage the hardware.
Connecting the fire detection installation and the FDUL221 line tester to the
detector line at the same time can result in irreparable damage to the line
interface or the FDUL221 line tester.
Only connect the line tester once the detector line has been separated from
the fire detection installation.
Connect the detector line which is separate from the fire control panel
according to the following figures.
Connect both ends of the line to the
sockets on the FDUL221 line
tester.
Connection for a loop
Connection for a stub or a single line device
Connection for a loop
Connect the ends of the feed line to line 'A'.
Connect the ends of the return line to line 'B'.
Connection for a stub or a single line device
Connect the ends of the line to line 'A'.