Indoor Outdoor
15 mm
Sleeve for
tube ass’y
Approx. 5 - 7 mm
Bushing for tube ass’y
Putty or caulking compound
Ø 70 through hole
10.2 Indoor Unit
10.2.1 How to Fix Installation Plate
The mounting wall is strong and solid enough to prevent it from the vibration.
The centre of installation plate should be at more
than 450 mm at right and left of the wall.
The distance from installation plate edge to
ceiling should more than 75mm.
From installation plate left edge to unit’s left side
is 135 mm.
From installation plate right edge to unit’s right
side is 165 mm.
○
B : For left side piping, piping connection for gas should be about 155 mm from this line.
: For left side piping, piping connection for liquid should be about 185 mm from this line.
1 Mount the installation plate on the wall with 5 screws or more. (If mounting the unit on the 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.
● Put measuring tape at position as shown in the diagram above. The hole centre is obtained by
measuring the distance namely 115 mm and 120 mm for left and right hole respectively.
● Drill the piping plate hole at either the right or left and the hole should be slightly slanted to the
outdoor side.
10.2.2 To Drill a Hole in the Wall and Install a Sleeve of Piping
1 Insert the piping sleeve to the hole.
2 Fix the busing to the sleeve.
3 Cut the sleeve until it extrudes about 15mm from the wall.
4 Finish by sealing the sleeve with putty or caulking compound at the
final stage.
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