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12.2 Indoor Unit
12.2.1 How to Fix Installation Plate
The mounting wall shall be strong and solid enough to prevent it from vibration.
More than 495 mm
46 mm
46 mm
55 mm 57 mm
49 mm
39 mm
More than 495 mm
More than
76 mm
WallWall
Indoor unit
Installation plate
1
Screw
2
Wall
The center of the installation plate should be at more than 495 mm at right and left of the wall.
The distance from installation plate edge to ceiling should more than 76 mm.
From installation plate left edge to unit’s left side is 39 mm.
From installation plate right edge to unit’s right side is 49 mm.
1. Mount the installation plate on the wall with 6 screws or more (at least 6 screws).
(If mounting the unit on the concrete wall, consider using anchor bolts.)
Always mount the installation plate horizontally by aligning the marking-off line with the thread and using a
level gauge.
2. Drill the piping plate hole with ø70 mm hole-core drill.
The hole center of the pipe is the meeting point of the following two lines, the vertically extended line of the
down arrow on the plate and the horizontally extended line of the side arrow on the plate.
(see figure above).
Drill the piping hole at either the right or the left and the hole should be slightly slanted to the outdoor side.
12.2.2 To Drill a Hole in the Wall and
Install a Sleeve of Piping
1 Insert the piping sleeve to the hole.
2 Fix the bushing to the sleeve.
3 Cut the sleeve until it extrudes about 15 mm
from the wall.
CAUTION
When the wall is hollow, please be sure to use the
sleeve for tube assembly to prevent dangers
caused by mice biting the connection cable.
4 Finish by sealing the sleeve with putty or
caulking compound at the final stage.
15 mm
Putty or caulking compound
ø70 mm
through hole
Indoor
Outdoor
Sleeve for tube
assembly
Approx. 5 - 7 mm
Bushing for tube
assembly
Wall
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