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11.2 Indoor Unit
11.2.1 How to Fix Installation Plate
The mounting wall shall be strong and solid enough to
prevent it from the vibration.
The center of installation plate should be at more than
c at right and left of the wall.
The distance from installation plate edge to ceiling
should more than d.
From installation plate left edge to unit’s left side is e.
From installation plate right edge to unit’s right side is
f.
○
B : For left side piping, piping connection for
liquid should be about g from this line.
: For left side piping, piping connection for gas
should be about h from this line.
1 Mount the installation plate on the wall with
5 screws or more (at least 5 screws).
(If mounting the unit on the concrete wall,
consider using anchor bolts.)
o 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.
o Line according to the left and right side of
the installation plate. The meeting point
of the extended line is the center of the
hole. Another method is by putting
measuring tape at position as shown in
the diagram above. The hole center is
obtained by measuring the distance
namely 128 mm for left and right hole
respectively.
o Drill the piping hole at either the right or
the left and the hole should be slightly
slanting to the outdoor side.
11.2.2 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.
4 Finish by sealing the sleeve with putty or
caulking compound at the final stage.
11.2.3 Indoor Unit Installation
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