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Indoor Unit Installation
NOTE FOR CONCRETE OR BRICK WALLS:
If the wall is made of brick, concrete, or a
similar material, drill 0.2 in (5 mm) diameter
holes in the wall and insert the sleeve
anchors provided. Secure the mounting plate
to the wall by tightening the screws directly
into the anchors.
Page 24
Step 2: Attach mounting plate to wall
The mounting plate is a metal plate that allows the
indoor unit to be mounted to the wall. In this step
you will position and mount the plate to the wall
using the provided screws.
1. Remove the screw that attaches the mounting
plate to the back of the indoor unit. Refer to
Fig. 5.2 below.
2. Place the mounting plate against the wall in a
location that meets the guidelines in the
Selecting an Installation Location step.
Refer to the illustrations in Fig. 5.3 for
more information on mounting plate sizes.
3. Drill holes for wall plate mounting screws in
places that have the following:
• studs that can support the weight of the unit.
• correspond to the holes in the mounting plate.
4. Secure the mounting plate to the wall with the
supplied screws.
5. Make sure that the mounting plate sits level and
flat against the wall.
Screw
Correct orientation of Mounting Plate
MOUNTING PLATE DIMENSIONS
Different models have different mounting
plates. In order to ensure that you have
ample room to mount the indoor unit, the
diagrams to the right show different types of
mounting plates along with dimensions. Each
mounting plate is also equipped with a
bubble level, vertical ruler, & horizontal
ruler, as shown below. Please use these,
along with the information provided on this
page, to in to properly position and install
the mounting plate.
18K Wall Mounted Air Handler
24K Wall Mounted Air Handler
9K & 12k Wall Mounted Air Handler
Outline of Indoor Unit
when mounted to plate
FROM EDGE TO HOLE CENTER:50mm
FROM EDGE TO HOLE CENTER:50mm
FROM EDGE TO HOLE CENTER:95mm
FROM EDGE TO HOLE CENTER:70mm
150
100
100
31 in (795 mm)
4.7 in (120 mm)
Right Wall
Hole
Ø2.5 in
(65 mm)
1.9 in (50 mm)
16.7 in (425 mm)
11.6 in (295 mm)
100
50
50
50
2
2
2
4
4
4
6
RECOMMAND
LIQUID
GAS
BUBBLE
LEVEL
mm
inch
mm
inch
BUBBLE
LEVEL
150
100
50
2
4
6
RECOMMAND
mm
inch
100
100
50
50
2
2
4
4
LIQUID
GAS
mm
inch
1.6 in (40 mm)
2 in
(51 mm)
Left
Wall
Hole
Ø2.5 in
(65 mm)
38 in (965 mm)
3.7 in (95 mm)
Right Wall
Hole
Ø2.5 in
(65 mm)
1.9 in (50 mm)
19.3 in (490 mm)
12.7 in (322 mm)
1.6 in (40 mm)
1.5 in
(40 mm)
Left
Wall
Hole
Ø2.5 in
(65 mm)
Outline of Indoor Unit
when mounted to plate
44.8 in (1140 mm)
2.8 in (70 mm)
1.9 in (50 mm)
22.5 in (570 mm)
14.6 in (370 mm)
1.9 in (50 mm)
Outline of Indoor Unit
when mounted to plate
2.4 in
(60 mm)
Right Wall
Hole
Ø3.54 in
(90 mm)
Left
Wall
Hole
Ø3.54 in
(90 mm)
FROM EDGE TO HOLE CENTER:50mm
FROM EDGE TO HOLE CENTER:100mm
150
100
100
100
50
50
50
2
2
2
4
4
4
6
RECOMMAND
LIQUID
GAS
BUBBLE
LEVEL
mm
inch
mm
inch
FROM EDGE TO HOLE CENTER:50mm
FROM EDGE TO HOLE CENTER:100mm
150
100
100
100
50
50
50
2
2
2
4
4
4
6
RECOMMAND
LIQUID
GAS
BUBBLE
LEVEL
mm
inch
mm
inch
FROM EDGE TO HOLE CENTER:50mm
FROM EDGE TO HOLE CENTER:100mm
150
100
100
100
50
50
50
2
2
2
4
4
4
6
RECOMMAND
LIQUID
GAS
BUBBLE
LEVEL
mm
inch
mm
inch
Vertical
Ruler
Horizontal Ruler
BUBBLE
LEVEL
150
100
50
2
4
6
RECOMMEND
mm
inch
100
100
50
50
2
2
4
4
LIQUID
GAS
mm
inch
CAUTION! The bubble level
on the mounting plate cannot be
removed. Should it become broken,
be sure to clean up any liquid that
has leaked from it.
Fig. 5.2
Fig. 5.3
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