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ASSEMBLY & INSTALLATION - THRU-THE-WALL (CONT.)
12
Carefully measure and cut an opening with the following
dimensions depending on your model (FIG. 1 & 2).
WIDTH “X” = inside model plus twice the thickness of the
framing material used.
HEIGHT “Y” = inside model height plus twice the thickness
of framing material used.
4. Build a wooden frame with the INSIDE dimensions of
your model listed above (Measure twice). The frame
depth should be the same as the wall thickness. Fill in
extra space from the opening to the studs with wood
spacers as shown below.
5. Nail the spacers to the studs. They should be flush with
the dry wall.
NOTE: If wall thickness is 8-12” or more, add aluminum
flashing over the bottom of the frame opening to assure
water is unable to enter the area between the inner and
outer wall.
Prepare and Install the Cabinet
1. Slide the chassis from the cabinet. Refer back to the
REMOVE CHASSIS instructions and FIG. 1-6 in the
WINDOW MOUNTING SECTION.
2. Place the cabinet into the opening with the bottom rail
resting firmly on the bottom board of the wood frame.
3. Position the cabinet so it is tilted properly for water re-
moval as seen below.
4. Secure the bottom rail to the wood frame with two large
1” (2.5 cm) long wood screws as shown below.
Model GM-WAC-25ESE
Insi
de Fr
ame Height 18 7/8” (47.9 cm)
Inside Frame Width 26 3/4” (67.9 cm)
FIG. 2
FIG. 1
FIG. 2