Installation Manual SiBE12-90867 Installation / Operation Manual1.2 Outdoor UnitsOutdoor Unit Installation Drawings1. Precautions for humidifying hose installation work.• Moisture on the outdoor unit is brought to the indoor unit together with air around the outdoor unit during humidifying operation.Install the outdoor unit in a clean and calm location.• Be sure to use the humidifying hose sold as an optional accessory. (KPMH996A10S (10m set), KPMH996A15S (15m set))CAUTIONDo not connect the embedded branch piping and the outdoor unit when only carrying out piping work without connecting theindoor unit in order to add another indoor unit later.Make sure no dirt or moisture gets into either side of the embedded branch piping.See “Precautions for Laying Refrigerant Piping” on page 9 for details. Installation of humidifying hoses, respectively, in upward direction in ROOM A and in downwarddirection in ROOM B.3 Allow 300mm ofwork space belowthe ceiling surface.WireROOM A574(Hole pitch of foot bolts)Humidifying hose250mm from wallROOM BStop valve cover311(Hole pitch offoot bolts)Level mounting base(available separately)If the location does not have good drainage,place the unit on a level mounting base (or aplastic pedestal). Install the outdoor unit in alevel position. Failure to do so may result inwater leakage or accumulation.If there is the danger of the unitfalling or overturning, fix the unitwith foundation bolts, or withwire or other means.Humidifying hoseROOM AHumidifying hoseROOM Bunit: mmAlso insulate the connection on the outdoor unit.Use tape or insulating material on all connections toprevent air from getting in between the copperpiping and the insulation tube.Be sure to do this if the outdoor unit is installedabove.Clamping materialInsulation tubeStop valve coverTape
