3012.2 Indoor Unit12.2.1 How to Fix Installation PlateThe mounting wall shall be strong and solid enough to prevent it from vibration.3 4BAC56WallWall WallInstallation plate 12 screwMore than 1 More than 1Indoor unit266 mm128 mmMore than2For best strength of INDOORunit installation, it is highlyrecommended to locate “ ”at 5 position as shown.PIPEHOLECENTER128mm TOPIPE HOLECENTERModel Dimension1 2 3 4 5 6NZ9***, NZ12***,QZ9*** 515 mm 82 mm 460 mm 460 mm 137 mm 85 mmThe center of installation plate should be at more than 1 at right and left of the wall.The distance from installation plate edge to ceiling should more than 2.From installation plate center to unit’s left side is 3.From installation plate center to unit’s right side is 4.B : For left side piping, piping connection for liquid should be about 5 from this line.: For left side piping, piping connection for gas should be about 6 from this line.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 Line according to the left and right side of the installation plate. The meeting point of the extended line isthe center of the hole. Another method is by putting measuring tape at position as shown in the diagramabove. The hole center is obtained by measuring the distance namely 128 mm for left and right holerespectively.o Drill the piping hole at either the right or the left and the hole should be slightly slanting to the outdoorside.12.2.2 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.15 mmPutty or caulking compoundø70 mm through holeIndoor OutdoorSleeve for tubeassemblyApprox. 5 - 7 mmBushing for tubeassemblyWall