2211.3. Indoor Unit11.3.1. HOW TO FIX INSTALLATION PLATEThe mounting wall is strong and solid enough to prevent it fromthe vibration.1. Mount the installation plate on the wall with 5 screws ormore.(If mounting the unit on the concrete wall, consider usinganchor bolts.)• Line according to the arrows marked on the bottom leftand right sides of the installation plate. The meeting pointof the line extension is the centre of the hole.2. Drill the piping plate hole with ø70 mm hole-core drill.• The hole centre of the right pipe is at the crossing of thelines which extend vertically from the edge of theinstallation plate, and, horizontally, from the side arrowon the installation plate (see figure above.)• The hole centre of the left pipe is at the crossing of thelines which extend vertically from the downward arrow onthe installation plate, and, horizontally from the sidearrow on the installation plate (see figure above.)• Drill the piping hole at either the right or the left and thehole should be slightly slanted to the outdoor side.11.3.2. TO DRILL A HOLE IN THE WALLAND INSTALL A SLEEVE OFPIPING1. 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 thewall.4. Finish by sealing the sleeve with putty or caulkingcompound at the final stage.11.3.3. INDOOR UNIT INSTALLATION1. For the right rear piping2. For the right and right bottom piping: For left side piping, piping connection for liquid should be fromthis line.: For left side piping, piping connection for gas should be about60 mm from this line.: For left side piping, piping connection cable should be about750 mm from this line.CautionWhen the wall is hollow, please be sure to use thesleeve for tube ass’y to prevent dangers caused bymice biting the connecting cable.