Installation Manual EDUS041111_a72 Room Air Conditioners K-SeriesInstallation Guidelines• Where a wall or other obstacle is in the path of outdoor unit’s inlet or outlet airflow, follow the installation guidelines below.• For any of the below installation patterns, the wall height on the outlet side should be 47-1/4 inch (1200mm) or less.Precautions on Installation• Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise after installed.• In accordance with the foundation drawing, fix the unit securely by means of the foundation bolts. (Prepare 4 sets of M8 or M10foundation bolts, nuts and washers each which are available on the market.)• It is best to screw in the foundation bolts until their length are 3/4 inch (20mm) from the foundation surface.Outdoor Unit Installation1. Installing outdoor unit1) When installing the outdoor unit, refer to “Precautions for Selecting the Location” and the “Outdoor Unit InstallationDrawings”.2) If drain work is necessary, follow the procedures below.2. Drain work (Heat pump models)1) Use drain plug for drainage.2) If the drain port is covered by a mounting base or floor surface, placeadditional foot bases of at least 1-1/4 inch (30mm) in height under the outdoorunit’s feet.3) In cold areas, do not use a drain hose with the outdoor unit.(Otherwise, drain water may freeze, impairing heating performance.)More than 1-15/16 (50) More than 1-15/16 (50)More than 5-7/8 (150)More than3-15/16 (100)More than 1-15/16 (50) More than 3-15/16 (100)Side view47-1/4(1200)or lessWall facing one side Walls facing two sidesTop viewTop viewunit: inch (mm)More than 5-7/8 (150)More than 11-13/16 (300)More than 1-15/16 (50)Walls facing three sides3/4”(20mm)Drain portBottom frameDrain plugHose (available commercially,inner dia. 5/8 inch (16mm))