VESDA by Xtralis VESDA VLI Product Guide
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7.5 Replacing the Aspirator
Ensure the area surrounding the aspirator is clear of dirt and debris prior to replacement.
Care must be taken during aspirator replacement. The aspirator must be correctly seated; this is essential to
ensure gaskets are not damaged or dislodged from the underside of the aspirator.
Remove the Aspirator
1. Set the detector to Standby mode. Refer to Section 7.1 on page 53 for further information.
2. Remove the front cover. Refer to Section 7.2 on page 54 for further information.
3. Power down the detector by removing the 24V input. Refer to Section 3.2.2 on page 20 for further
information.
4. Remove the Intelligent Filter (Figure 7-5). Refer to Section 7.3 on page 55 for further information.
Figure 7-5: Intelligent Filter Removal
5. Remove the three Aspirator screws (A) and the two screws on the exhaust port (B).
6. Remove the Aspirator (C).
Figure 7-6: Aspirator Replacement
7. Flip the aspirator and disconnect the Aspirator cable.
Reinstall the replacement Aspirator
1. Ensure that the 24V input is still disconnected.
2. Connect the aspirator cable.
3. Install the new aspirator (C), the three aspirator screws (A) and the two screws on the exhaust port (B).
4. Reinstall the Intelligent Filter. Refer to Section 7.3 on page 55 for further information.
5. Power up the detector by reattaching the 24V supply.
6. Wait approximately 10 minutes to ensure that the detector does not report any fault conditions.
7. Perform a smoke test and ensure detector response is as per commissioning data.
8. If the replacement aspirator is brand new, execute the "Reset Aspirator Life" command in Xtralis VSC.
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