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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
74,
Wall sleeveextensions--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. 2in. (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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