5711. Installation Instruction(For CS/CU-S28PKV only)11.1 Select the Best Location11.1.1 Indoor Unit Do not install the unit in excessive oil fume areasuch as kitchen, workshop and etc. There should not be any heat source or steamnear the unit. There should not be any obstacles blocking the aircirculation. A place where air circulation in the room is good. A place where drainage can be easily done. A place where noise prevention is taken intoconsideration. Do not install the unit near the door way. Ensure the spaces indicated by arrows from thewall, ceiling, fence or other obstacles. Recommended installation height for indoor unitshall be at least 2.5 m.11.1.2 Outdoor Unit If an awning is built over the unit to prevent directsunlight or rain, be careful that heat radiation fromthe condenser is not obstructed. There should not be any animal or plant whichcould be affected by hot air discharged. Keep the spaces indicated by arrows from wall,ceiling, fence or other obstacles. Do not place any obstacles which may cause ashort circuit of the discharged air. If piping length is over the [piping length foradditional gas], additional refrigerant should beadded as shown in the table.Piping sizeModelHorsePower(HP) Gas LiquidStd.Length(m)Max.Elevation(m)Min.PipingLength(m)Max.PipingLength(m)AdditionalRefrigerant(g/m)PipingLengthfor add.gas(m)S28*** 3.0HP15.88mm(5/8")6.35mm(1/4")5 20 3 30 30 10If the unit is installed at 15 m distance, the quantity ofadditional refrigerant should be 150 g …. (15-10) m x30 g/m = 150 g.11.1.3 Indoor/Outdoor Unit InstallationDiagram