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30
Installation
Step 3: Drill wall hole for connective piping
1. Determine the location of the wall hole based
on the position of the mounting plate. Refer to
the Mounting Plate Dimensions.
2. Use a 2.5 inches or 3.54 inches (depending on
models ) core drill to drill a hole in the wall.
Make sure that the hole is drilled at a slight
downward angle, so that the outdoor end of
the hole is lower than the indoor end by about
0.2 to 0.275 inches. This will ensure proper
water drainage.
3. Place the
protective wall cuffprotective wall cuff in the hole. This
protects the edges of the hole and will help
CAUTION
When drilling the wall hole, make sure to avoid
wires, plumbing, and other sensitive components.
Wall
Indoor Outdoor
0.2-0.275in
MOUNTING PLATE DIMENSIONS
Different models have different mounting plates.
the shape of the mounting plate may be slightly
different. But the installation dimensions are the
Note: When the gas side connective pipe is
Φ
Correct orientation of Mounting Plate
Type A
Type B
Left rear wall
hole 2.5in
Right rear wall
hole 2.5in
Indoor unit
outline
1.5in
1.5in
11.2in
1.85in
1.85in
Model A
5.8in
1.7in
4.1in
28in
4.2in
5.1in
9.3in
15.8in
Model B
9.1in
9.7in
7.3in
5.5in
31.7in
16.2in
Left rear wall
hole 2.5in
Right rear wall
hole 2.5in
Indoor unit
outline
1.5in
1.5in
11.2in
1.85in
1.85in
1.7in
4.2in
Left rear wall
hole 2.5in
Right rear wall
hole 2.5in
Indoor unit
outline
11.88in
1.4in
1.4in
1.85in
1.85in
Model C
11.2in
9.57in
1.7in
9.5in
5.6in
3.9in
37.7in
18in
Model D
Left rear wall
hole 2.5in
Right rear wall
hole 2.5in
12.79in
2.16in
1.85in
1.85in
2.16in
10.4in
40.85in
8.6in
13.5in
11.8in
1.77in
1.77in
22in
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