VESDA VLI Product Guide
VESDA by Xtralis
8
www.xtralis.com
2.3
Front Panel
The VLI detector provides the following information and control capability:
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Status LEDs:
Alarm, Pre-Alarm, Disabled, Fault and Power.
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Controls:
Reset and Disable button.
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DISABLED
RESET /
DISABLE
Figure 2-3: Front Panel Controls and LEDs
Status LEDs
Table 2-1: LED Indicators
LED
Description
Alarm
The ALARM LED is lit when the Fire1 Alarm threshold is reached.
Pre-Alarm
The PRE-ALARM LED blinks when the Alert threshold is reached.
The PRE-ALARM LED is lit when the Action threshold is reached.
Disabled
The DISABLED LED is lit when the detector is disabled.
Fault
The FAULT LED is lit when a fault condition is detected.
Refer to Chapter 8 for information on troubleshooting.
Power
The POWER LED illuminates when the detector is powered up.
Notes:
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The LEDs are tested during the power up cycle. To manually test the LEDs, run the Lamp Test using
Xtralis VSC.
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Power and Fault LEDs are also present on the main board inside the VLI for when the front panel is
disconnected during installation or maintenance.