Aircommand IBIS Handleiding voor installatie en gebruik - Pagina 7
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2. ASSESS ROOF STRENGTH
- The roof members MUST be strong enough
to support the weight of the unit (up to 50kg)
without any roof deflection that will cause
"pooling" of water around the unit. Contact
your caravan manufacturer to confirm the
max load the roof is able to handle. If in any
doubt consider the use of an external "H"
frame.
- If the roof does not have an existing hole
one must be cut. Cut from the roof then use
the roof hole as a guide to cut through the
ceiling. Contact your caravan manufacturer
for the best method to cut through the roof.
- The square hole in the roof (356 x 356mm,
14" x 14") MUST be boxed up with minimum
20mm square timber to provide a structure
strong enough to withstand the compression
of the installation bolts. This is also to ensure
that air in not drawn into the roof cavity
(Fig 3 & 4). Remember to leave access for
wiring.
- Longitudinals MUST be fixed securely to the
transverse roof members to transfer load
(see Fig 3).
WARNING
There may be electrical wiring located
between the roof and ceiling. Ensure that
power is properly disconnected at the
supply (mains and/or battery). Failure to do
so may result in personal injury or death
TIP: Always use crawl boards across the roof
to avoid damage
3. INSTALLING ROOF GASKET
- Ensure that the roof is clean, dry and free
from grease or oil.
- Remove the paper backing from gasket and
position over square hole.
- Gasket must be applied with self adhesive
side down. Note orientation of gasket to
direction of travel (Fig 5). Press gasket down
to ensure good adhesion.
- Run a bead of silicone where the roof and
the gasket meet, around the entire gasket
perimeter, to ensure water cannot leak
between the gasket and the roof surface. DO
NOT apply silicone between the gasket and
the air conditioner itself.
DIRECTION OF TRAVEL
Fig 3: Shows an ideal roof structure with strong longitudinals and a 14' hole boxed
20mm MIN
THE ROOF CAVITY MUST
BE FRAMED TO SUPPORT
THE UNITS WEIGHT
Fig 4: The roof cavity MUST be boxed with timber to provide a solid structure
FRONT OF VEHICLE
Fig 5: Shows the placement of the roof gasket over the hole. Note the positioning in
relation to the front of the vehicle
LONGITUDINALS MUST BE
FIXED SECURELY TO
TRANSVERSE ROOF MEMBERS
BE SURE TO ALLOW SPACE
FOR POWER CABLE