3
Structure and function
Setup
28
Building Technologies
A6V10334410_h_en_--
Fire Safety
2015-09-29
3.2.2
Internal indicator
When the
is open, the internal indicator is accessible. The
internal indicator performs the following functions:
Status display for airflow, smoke value, and alarm using 3 LEDs
Activate or stop normalization of the airflow using a button
Activate or stop normalization of the smoke value using a button
Reset self-retaining status displays and relay outputs using a button
Internal indicator
Indication
Designation
Function
Flow ok
The green LED flashes when the airflow is normal.
Smoke ok
The green LED flashes when the smoke value is low.
Alarm
The red LED flashes during an alarm.
Button
Designation
Function
Normalize Flow
Button for activating or stopping normalization of the
airflow.
Normalize Smoke Button for activating or stopping normalization of the
smoke value.
Reset
Button for resetting the self-retaining status displays
and relay outputs. The current detector status is
reset.
The 'Normalize Flow' and 'Normalize Smoke' buttons can only be actuated using
a suitable, thin tool, e.g. a pen or a paper clip.