Page 10
TITANUS
PRO·SENS
®
TECHNICAL MANUAL
After a delay period which can be programmed by switches the fault is indicated
at the air sampling smoke detection system and, if required, the fault signal is
passed to the fire detection control and indicating equipment (F.D.C.I.E.) via a
fault contact. The thresholds of the monitoring window can be adapted to the
ambient conditions (refer to chapter 4 "Pipe Design").
The signal curve of the air flow sensor is illustrated in Fig. 2.2
Fig. 2.2: Signal curve of the air flow sensor in case of faults
Fault Display
A detector module or air flow fault causes a fault signal which is indicated at
TITANUS
PRO · SENS
®
. The fault display can be set to a latched (standard
mode) or non-latched mode.
Flash Code
for Fault Detection
An indication of faults and certain device states is effected through 5 different
flash codes of an LED on the (electronic circuit board) of the detector module.
This allows the different types of faults caused by a defective detector module,
a blocked or fractured pipe system to be readily identified.
Resetting via
F.D.C.I.E.
A fault signal can be reset via a connected fire detection control and indicating
equipment (F.D.C.I.E.). If the TITANUS
PRO·SENS
®
is connected to a fire
detection control and indicating equipment (F.D.C.I.E.) and it is required to reset
alarm and fault signals at the device together with the reset of the detection line
a reset board
1
is mounted as an option. It automatically resets the alarm and
fault signals at TITANUS
PRO·SENS
®
in case of a temporary switch-off of the
line voltage
1
The reset board can only be used if the quiescent current of the line is at least 5 mA and 50 mA.
The line has to be current less during reset.
