DRS Technical description
7
5.1 Ventilation while stationary
I
The DRS provides 150 cm
2
of passive ventilation via a secondary air path through the
ventilation filter and foam (fig. 2 1, page 7). It bypasses the main filter (fig. 2 2,
page 7) when the vehicle is stationary only. This is required to maintain fresh air
exchange. A small amount of airflow around the vent may be noticeable.
If the main air path into the DRS through the filter needs to be blocked for any reason,
the blocker plate is designed to slide into a groove in front of the main filter and rest
on the locating tab shown (fig. 3, page 8):
➤ To fit the blocker plate, open the interior ceiling cover by pulling on the edge
marked “PULL HERE TO OPEN”.
➤ Remove blocker plate from the ceiling cover, which is held by magnetic strips.
➤ Insert the blocker plate upwards.
NOTE
• Ensure that the blocker plate is removed prior to travel, otherwise the
DRS will not function to reduce dust entry.
• Cross-flow ventilation is still maintained with the blocker plate fitted.
• Do not block any openings around or inside the DRS. All air paths
(excluding the main filter) are required for free ventilation.
DRS-IOM.book Seite 7 Freitag, 9. August 2019 9:48 09
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