To Drill A Hole In The Wall And Install A Piping Sleeve - Panasonic S-22MU1E5A Technical Data Manual

3. How to install the indoor unit
(3) Double check with a carpenter's level or tape measure that the panel is level.
This is important to install the unit properly. (Fig. 2-83)
CAUTION
Also avoid areas where electrical wiring or conduits are located.
The above precautions are also applicable if tubing goes through the wall in any other location.
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(4) Using a sabre saw, keyhole saw or hole-cutting drill attachment, cut a hole in the wall. (Fig. 2-84)
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3
NOT E
Hole should be made at a slight downward slant to the outdoor side.

3-5-3. To Drill a Hole in the Wall and Install a Piping sleeve

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(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.
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CAUTION
When the wall is hollow, please be sure to use the Piping sleeve assembly to prevent dangers caused by mice biting the
connection cable.
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(4) Finish by sealing the sleeve with putty or caulking compound at the final stage.
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Sleeve for tube assembly
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ø70 mm through hole
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Indoor side Outoor side
Wall
Indoor
Fig. 2-84
Outdoor
15 mm
Approx. 5 - 7 mm
Bushing for tube Assembly
Putty or caulking compound
2-38
Design of VRF SYSTEM
Hole Dia. (mm)
70
Fig. 2-85
Fig. 2-83