Dometic GROUP DRS2, Installation And Operating Manual

Page: 10 / 20

10
5. Ensure that the joint has not overly deformed
and caused gaps between the bottom roof
flange and ceiling. If this occurs, increase the
total length of the sleeves by 5 mm, or
unscrew by half a turn.
If there is no deformation (sleeves too long), then
there will be insufficient clamping of the joint. In
that case the sleeves must be shortened by 5 mm
by choosing a different combination of 10 mm and
5 mm long sleeves.
6. Ensure that the filter is inserted into the filter
holder, and the filter holder inserted into the
product.
7. Close the ceiling cover.
✔
The installation is complete.
Operation
Ventilation while driving
Observe the following notes:
• In extremely heavy or prolonged rain, a small
amount of water is expected to reach the filter.
• In that case no additional care or steps need to
be taken.
– Keep the filter in the filter holder for the water
to evaporate.
The product operates automatically from vehicle
speeds of 25 km/h.
The product is suitable for use in the rain.
➤
Prior to travel ensure that the blocker plate is
removed (fig.
b
, page 11).
Otherwise the product will not function to
reduce dust entry.
Ventilation while stationary
Observe the following notes:
• Cross-flow ventilation is still maintained with the
blocker plate fitted.
• Do not block any openings around or inside the
product. All air paths (excluding the filter) are
required for free ventilation.
The product provides 150 cm
2
of passive ventila-
tion via a secondary air path through the ventilation
chamber (fig.
a
1, page 11). Air bypasses the filter
(fig.
a
2, page 11) 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 product is used as the primary ventilation
point of the vehicle without any additional ventila-
tion possibilities:
➤
Check local regulations regarding passive
ventilation and add according warning labels to
the ceiling cover.
The warning labels must be well visible.
0