VESDAVLSProduct Guide VESDA by Xtralis
8 www.xtralis.com
Threshold Indicators The illuminated LEDs represent visual settings for ALERT, ACTION, and FIRE 1
alarm levels. The FIRE 1 indicator is always at the top.
Fault LEDs The Fault LEDs illuminate to indicate:
URGENT: A serious fault requiring immediate attention
SYSTEM: A fault affecting the network to which the Display module is connected
ZONE: A fault in the VESDA Zone monitored by the Display module
POWER: A fault in the power supply if the GPI function is used
NETWORK: A communications fault on VESDAnet
AIRFLOW: Higher or lower than acceptable levels of air flow through the inlet pipe
(s)
FILTER: The air filter requires changing
Push Button Keys These buttons enable various systems functions. These do not allow configuring
the system. The buttons can be disabled by the systems administrator.
Mode/Test (Dual Function): Selects modes on the numerical display - sensitivity,
smoke level, or zone number. When depressed for more than 2 seconds it performs
a light test function.
Silence/Scan (Dual Function): This button has dual functions. It silences any
alarm or fault warnings. Any LEDs flashing to indicate an alarm condition or a fault
will stop flashing. When pressed for two seconds it initiates a Scan Test.
Reset: Resets any latched alarms and faults on the detector. Any active alarms or
faults are reported again after the time delays have elapsed.
Isolate: Isolates the detector from any external devices or systems (an isolate
alarm will normally be raised at the fire alarm control panel).
Note: It is recommended practise to signal the Isolate condition to the Fire
Control Panel using the Isolate relay.
Numerical Display Sensitivity: Shows the level of smoke that must be measured to illuminate the
entire bar graph and always corresponds with the Fire 1 alarm level.
Smoke Level: Indicates the current level of smoke in the relevant VESDA Zone
and is represented as % obs/m or % obs/ft.
Zone Number: This is the VESDA Zone number assigned to the Display Module.
First Alarm Sector: This is the pipe with the highest level of smoke and is
represented with a "P" followed by the pipe number.
Note: The Mode button is used to select the parameter to display in the
numeric display. These values represent the current readings for the
corresponding parameters mentioned alongside the lit LED.
Table 2-1: Remote Display Module (continued...)
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