- Drill the piping hole at either the right or the left and the hole 
should be slightly slanted to the outdoor side.
11.2.3. 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 ass’y to prevent 
dangers caused by mice biting the 
connecting cable.
4. Finish by sealing the sleeve with putty or caulking compound at 
the final stage.
11.2.4. INDOOR UNIT INSTALLATION 
1. For the right rear piping
2. For the right and right bottom piping