VESDA VESDA VLF-500-UL 7Ed Product Guide
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Icon Button Use Description
AutoLearn Smoke Automatically sets alarm
threshold values based on
the normal operating
environment.
Refer to Section 4.2 on
page 25.
Pressing the recessed AutoLearn Smoke
button initiates the automatic smoke
alarm set-up mode. The LED, beside the
button, will remain on for the duration of
the AutoLearn process (up to 14 days
which is also the default period). During
this period the unit is online, alarms are
communicated and default thresholds
are active. To deactivate this function,
press the AutoLearn Smoke button
again.
AutoLearn Flow The detector automatically
measures air flow to the
pipes and sets the air flow
threshold values.
Refer to Section 4.3 on
page 26.
Pressing the recessed AutoLearn Flow
button sets the airflow fault thresholds as
well as normalizing the detector’s
airflow. The LED, beside the button, will
remain on for the duration of the
AutoLearn process (up to 14 days which
is also the default period). To deactivate
this function, press the AutoLearn Flow
button again.
Table 6-1: Detector Buttons (continued...)