Roof-top air-conditioning system CC4E Webasto Thermosysteme
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On level roofs or roofs without beads and gutters a seal made with Sikaflex instead of a sealing frame is
sufficient.
Producing the sealing frame:
a) The height of the sealing frame must be cut / adapted to the roof contour (beads/gutters/camber) is
such a way as to seal the contours in Fig. 4.2.
The sealant should be compressed by approx. 20% - 40% in height when fitting the air-conditioning
unit.
b) Match spacers in height so that the sealing profile sits tight over its full length. Adjust the spacers
so that they also sit tight on the cambers in the roof contour.
c) Affix the sealing profile to the roof with the Sikaflex 221 included in the installation kit as shown in
Fig. 4.3.
d) Coat the top of the sealing profile with Sikaflex sealing compound.
NOTE
The curing time of 3-5 hours must be observed when using Sikaflex 221 for
installation of the roof-top air-conditioning system. Mount the baseplate
before Sikaflex has cured. Do not expose seal to moisture before Sikaflex
has cured.
Fig. 4.3
Cut edges
Cut edges and top and bottom surfaces
bonded with SIKAFLEX 221 to ensure they
Direction of travel
Installation proposal for CC4E with Armaflex
(viewed from above, onto the vehicle roof)
Contour of baseplate
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