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CASE A
If a roof vent is already present in the desired mounting location for the air
conditioner, you may follow the steps below:
● Remove all screws which secured the roof vent to the vehicle. Remove the
vent and any additional trim. Carefully remove all chalking around the opening
area to make the surface clean.
● It may be necessary to seal some of the previous roof vent mounting screw
holes which are not covered by the air conditioner chassis gasket.
● Examine the roof opening size. If the opening is smaller than 14-1/4” x 14-1/4”,
the opening must be enlarged.
Installation
1. Select an Installation Site
● Check the roof of the vehicle to determine whether it can support both the rooftop
unit and the ceiling assembly without additional support.
● Choose an area where the installation of an indoor unit will not interfere with
existing structures.
● Check the roof of the vehicle to that there must be 1.2 to 5.32 inches between the
RV ceiling and roof.
● A vent hole (14-1/4” x 14-1/4”) is needed once the location for your air conditioner
has been determined. You may use existing vent holes referring to CASE A below,
or you need to cut a new hole referring to CASE B below.
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