Xtralis VESDA VLC-505, Manual

Page: 350 / 367

VESDA by Xtralis VESDA Commissioning Guide
www.xtralis.com 11
4.2 Detector Specific Configuration Steps (VLC, VLS, VLP)
Refer to the LCD Programmer Guide for Screen Numbers and details. Refer to the Xtralis VSC software
Online Help for details on Configuration forms and tabs.
You have now configured the generic components of the detector. You should now proceed to configure the
settings that are specific to the detector:
To complete the configuration of a VESDA VLC, refer to the VESDA VLC commissioning form.
To complete the configuration of a VESDA VLS, refer to the VESDA VLS commissioning form.
To complete the configuration of a VESDA VLP use the following steps:
4.2.1 VESDA VLP Configuration
Before performing these steps you should complete the Generic Configuration steps on page 9.
Setting Air Flows
For LCD Programmer: See LCD screen 23 & 62.
1. Select Air Flow and then select flow threshold, flow control, OR normalizing air flow
2. See LCD screen 24 & 63. Flow Threshold - Set airflow values to suit the customer site or accept the
defaults
3. Select the pipes in use
4. Set the delay time for the air flow threshold
5. See LCD screen 25 & 64. Flow Control - Select the pipe in use and aspirator speed
6. See LCD screen 26 & 65. Normalize the airflow
For Xtralis VSC: Select devices menu/tree -detector form
1. Select air flow tab to set airflow values to suit the customer site or accept the defaults.
2. Set the delay time for the air flow threshold
3. Flow Control - Select the pipe in use
4. Aspirator - set the aspirator speed
5. Normalize the airflow by highlighting the detector, then click Device and select Normalize Airflow
Setting Smoke Thresholds
For LCD Programmer: See LCD screens 12-19
1. Select screen 12: Select the smoke threshold and set: Day Thresholds, Night Thresholds, Alarm Delays,
Change-Over Times, Weekend, Holidays, and Smoke Change
2. Select screen 13 and set the Day Thresholds for Fire 2, Fire 1, Action and Alert
3. Select screen 14 and set new Night Thresholds for Fire 2, Fire 1, Action and Alert
4. Select screen 15 and set the time (in seconds) that should elapse once a threshold is crossed and the
Alarm is generated for Fire 2, Fire 1, Action and Alert
5. Select screen 16 and set the Day Period and Night Period
6. Select screen 17 and check the days considered as Weekend
7. Select screen 18 and enter the start/end dates for holiday periods
8. Select screen 19 and set the change in obscuration rate. Also set the minimum time period for this change
to be recorded in the event Log. The simultaneous/cumulative and instantaneous Fire thresholds are set
in the delays screen and NOT in the Smoke Change Screen.
For Xtralis VSC: Devices Menu/Tree - Detector Form
1. Select the Smoke Threshold Tab to set new values for Day Thresholds, Night Thresholds, Change-Over
Times, and Smoke Change.
2. Select the Workdays Tab and set the working days of the week. Also enter the start/end dates for holiday
periods.