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square in the opening. A slope is built into the bottom of
the sleeve from the inside to the outside. This will allow
any water that gets into the sleeve to drain out. Once the
test fitting has been checked out, the sleeve should be
removed from the wall.
With the sleeve removed, two 1/4 inch beads of sealant
must be applied to the flanges that contact the outside
wall. See Figure 3
The sleeve must be installed back in the wall making
sure that the predrilled holes in the wall line up with the
holes in the mounting flanges of the sleeve. Check to
make sure that there is enough sealant between the wall
and the flanges to make the joint watertight. Additional
TYPICAL INSTALLATION WITH 14" MAX. WALL THICKNESS
FIGURE 5
INSIDE
WALL
WALL BRACKET
QTEC UNIT
WALL BRACKET
TOP SECTION VIEW
sealant must be applied as required. The sleeve must be
anchored to the wall. All four mounting flanges must be
fastened with two fasteners each to the outside wall.
The gaps between the side flanges, and the top and
bottom flanges must be sealed to the wall.
On the inside of the building, the gaps between the
sleeve and the opening must be filled with insulation.
This will help insulate the sleeve and prevent infiltration
of any unwanted outdoor air. See Figure 5.
If the QT
unit will be drained through the wall, the
EC
drain line must be installed through the wall.
Information for the drain installation is contained in the
QT
Installation Instructions.
EC
OUTSIDE WALL
INSULATION
OUTDOOR GRILLE
CONDENSER COIL AND FAN
INSERTED INTO SLEEVE
INSULATION
Manual
2100-319F
Page
7 of 10
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