2811.2. Indoor Unit11.2.1. How to Fix Installation PlateThe mounting wall shall be strong and solid enough to preventit from the vibration.The centre of installation plate should be at more than atright and left of the wall.The distance from installation plate edge to ceiling should morethan .From installation plate left edge to unit’s left side is .From installation plate right edge to unit’s right is .1. Mount the installation plate on the wall with 5 screws ormore (at least 5 screws).(If mounting the unit on the concrete wall, consider usinganchor bolts.)• Always mount the installation plate horizontally byaligning the marking-off line with the thread and using alevel gauge.2. Drill the piping plate hole with ø70 mm hole-core drill.• Line according to the left and right side of the installationplate. The meeting point of the extended line is thecentre of the hole. Another method is by puttingmeasuring tape at position as shown in the diagramabove. The hole centre is obtained by measuring thedistance namely 128 mm for left and right holerespectively.• Drill the piping hole at either the right or the left and thehole should be slightly slanting to the outdoor side.11.2.2. To Drill a Hole in the Wall and Installa Sleeve of Piping1. 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.11.2.3. Indoor Unit InstallationModel DimensionRE18***,RE24***,RE28***585 mm 82 mm 165 mm 158 mm 169 mm 219 mm: For left side piping, piping connection for liquid should be aboutfrom this line.: For left side piping, piping connection for gas should be aboutfrom this line.CautionWhen the wall is hollow, please be sure to use the sleeve fortube ass’y to prevent dangers caused by mice biting theconnecting cable.