2511.2 Indoor Unit11.2.1 How to Fix Installation PlateThe mounting wall shall be strong and solid enough to prevent it from the vibration.The center of the installation plate should be at more than 495 mm at right and left of the wall.The distance from installation plate edge to ceiling should more than 80 mm.From installation plate left edge to unit’s left side is 85 mm.From installation plate right edge to unit’s right is 95 mm.1 Mount the installation plate on the wall with 5 screws or more (at least 5 screws).(If mounting the unit on the concrete wall, consider using anchor bolts.)o Always mount the installation plate horizontally by aligning the marking-off line with the thread and usinga level gauge.2 Drill the piping plate hole with ø70 mm hole-core drill.o The hole center of the right pipe is the meeting point of the following two lines, the 20 mm offset linefrom the vertical edge of the installation plate and the horizontally extended line of the side arrow on theplate. (see figure above).o The hole centre of the left pipe is the meeting point of the following two lines, the 30mm offset line fromthe vertical edge of the installation plate and the horizontally extended line of the side arrow on the plate.(see figure above).o Drill the piping hole at either the right or the left and the hole should be slightly slanted to the outdoorside.11.2.2 To Drill a Hole in the Wall andInstall a 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 mmfrom the wall.CAUTIONWhen the wall is hollow, please be sure to usethe sleeve for tube assembly to prevent dangerscaused by mice biting the connection cable.4 Finish by sealing the sleeve with putty orcaulking compound at the final stage.