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WALLSLEEVEEXTENSION
INSTAUATION INSTRUCTIONS
The PTAC/PTHP is intended for mounting through an exterior
wall. If the wall is thicker than 13 in. (33 cm), an extension to
the wall sleeve must be used. The PTAC/PTHP should be
installed level or pitched slightly to the outside. The exterior
of the sleeve must be caulked at the building interface.
• Unpack and dispose of packaging materials.
NOTE: Do not remove weatherboard and center support from
wall sleeve until ready to install chassis and outdoor grille.
Construct and install flashing into wall cutout, as shown.
2,
3.
Run a bead of silicone sealant along the perimeter of the
flashing.
Attach wall sleeve extension to the wall sleeve using 4 sheet
metal screws (provided).
NOTE: Do not overtighten the screws. The wall sleeve
extension is aluminum, and overtightening will strip out the
holes.
8
7
4,
Wall sleeve extensions--maximum of 3 may be used.
Run a bead of silicone sealant along the bottom mating
surfaces of the wall sleeve and the wall sleeve extension. Run
this bead at least 3 in. (7.6 cm) up the side seams.
_5
mlmf Jy
1. Front edge 6. Wall
2. Flashing 7. Drip edge must extend
3. 2 in. (5.03 cm) minimum below wall opening
4. Depth of wall 8. Outside edge
5. Silicone sealant around perimeter
2
1. Seal up this edge at least 3 in. (7.6 cm) on
both sides.
2. Seal this entire surface.
IMPORTANT: If using a wall sleeve extension and internal drain
kit, after installing the flashing, run a bead of silicone sealant
between the flashing and the wall sleeve and extension assembly
where the hole was drilled for the drain tube.
10
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