STEP 1
MAXXFAN requires a 14" x 14" roof
opening, if you are replacing another type
already installed, remove the old existing
roof vent.
Remove all old roof sealant for
a minimum of 2" entirely around the roof
opening.
Place the MAXXFAN into the roof opening
and trace a pencil line around it to verify the
clean seal area that will be required. Note
that the MAXXFAN must be centered in
the roof opening with the hinge of the lid
facing the front of the vehicle.
CAUTION: When installing your MAXXFAN, only
use a caulking/sealant compatible with the flange
(plastic product) and the roof surface.
use materials containing solvents such as or similar
to Xylene, Toluene, Methyl Ethyl Ketone, Acetate
or Acetone as they can damage the flange. Also,
Polysulfide (Thiokol) type sealants must be avoided.
If in doubt, please contact the manufacturer of your
RV for further information.
STEP 2
Prior to installing the MAXXFAN into the
roof opening, apply a continuous strip of
BUTYL tape or equivalent to the underside
of the flange, making sure to cover the
screw holes.
CAUTION: Disconnect main vehicle power before
connecting 12 volt DC power to the MAXXFAN!
2
STEP 3
Refer to page 4 for network wiring.
INSTALLATION INSTRUCTIONS
DO NOT
STEP 4
Insert the MAXXFAN into the opening with
the lid hinge facing the front of the vehicle and
centering the MAXXFAN in the opening.
Make sure the power wires slide to the interior
and do not become entangled.
sixteen (16) screws provided, screw the
flange to the roof at each raised ring dimple
location along the flange.
dimple to pierce the flange, making sure not
to overtighten the screws to avoid cracking the
flange.
4
STEP 5
After the MAXXFAN has been installed,
remove the excess BUTYL caulk that may
have squeezed out.
as Dicor self-leveling lap sealant or similar
caulking, apply a daub over every exposed
screw head.
(approximately 3/16") along the outside edge
of the flange all the way around the vent.
5
THIS COMPLETES THE ROOF TOP
PORTION OF THE INSTALLATION
NOTE:
Re-apply 12 volt vehicle power. This
MAXXFAN incorporates a self-resetting fuse on
the circuit board located in the ceiling assembly. It
can be reset by removing and re-applying power.
If your fan fails to operate or needs reset, contact
Customer Service at 316.832.3400 for assistance
or solicit the aid of an electrical technician.
2
Using the
Screw into the
Using a sealer such
In addition, apply a bead