2IMPORTANT! When TransportingPlease Read Before Starting Be careful when picking up and moving the indoor and outdoorunits. Get a partner to help, and bend your knees when lifting toreduce strain on your back. Sharp edges or thin aluminum fins onthe air conditioner can cut your fingers.This air conditioner must be installed by the sales dealer orinstaller.This information is provided for use only by authorized persons.For safe installation and trouble-free operation, you must: When Installing… Carefully read this instruction booklet before beginning. Follow each installation or repair step exactly as shown. This air conditioner shall be installed in accordance withNational Wiring Regulations. Pay close attention to all warning and caution notices given inthis manual.Select an installation location which is rigid and strong enoughto support or hold the unit, and select a location for easymaintenance.…In a RoomProperly insulate any tubing run inside a room to prevent“sweating” that can cause dripping and water damage to wallsand floors.WARNING This symbol refers to a hazard or unsafepractice which can result in severe personalinjury or death. CAUTION Keep the fire alarm and the air outlet at least1.5 m away from the unit.CAUTION This symbol refers to a hazard or unsafepractice which can result in personal injury orproduct or property damage.…In Moist or Uneven LocationsUse a raised concrete pad or concrete blocks to provide a solid,level foundation for the outdoor unit. This prevents water damageand abnormal vibration.If Necessary, Get HelpThese instructions are all you need for most installation sitesand maintenance conditions. If you require help for a specialproblem, contact our sales/service outlet or your certified dealerfor additional instructions.…In an Area with High WindsSecurely anchor the outdoor unit down with bolts and a metalframe. Provide a suitable air baffle.…In a Snowy Area (for Heat Pump-type Systems)Install the outdoor unit on a raised platform that is higher thandrifting snow. Provide snow vents.In Case of Improper InstallationThe manufacturer shall in no way be responsible for improperinstallation or maintenance service, including failure to follow theinstructions in this document. …At least 2.5 mIndoor unit of this room air conditioner shall be installed in aheight of at least 2.5 m.SPECIAL PRECAUTIONSWARNING When Wiring …In laundry roomsDo not install in laundry rooms. Indoor unit is not drip proof.ELECTRICAL SHOCK CAN CAUSE SEVEREPERSONAL INJURY OR DEATH.ONLY A QUALIFIED, EXPERIENCEDELECTRICIAN SHOULD ATTEMPT TO WIRETHIS SYSTEM.When Connecting Refrigerant TubingWARNING• When performing piping work do notmix air except for specified refrigerant(R410A) in refrigeration cycle. It causescapacity down, and risk of explosionand injury due to high tension inside therefrigerant cycle.• Do not supply power to the unit until all wiring and tubing arecompleted or reconnected and checked.• Highly dangerous electrical voltages are used in this system.Carefully refer to the wiring diagram and these instructionswhen wiring. Improper connections and inadequate groundingcan cause accidental injury or death.• Refrigerant gas leakage may cause fire.• Ventilate the room well, in the event that is refrigerant gasleaks during the installation. Be careful not to allow contactof the refrigerant gas with a flame as this will cause thegeneration of poisonous gas.• Connect all wiring tightly. Loose wiring may cause overheatingat connection points and a possible fire hazard.• Keep all tubing runs as short as possible.• Provide a power outlet to be used exclusively for each unit. • Use the flare method for connecting tubing.• Provide a power outlet exclusively for each unit, and fulldisconnection means having a contact separation in all polesmust be incorporated in the fixed wiring in accordance with thewiring rules.• Apply refrigerant lubricant to the matching surfaces of the flareand union tubes before connecting them, then tighten the nutwith a torque wrench for a leak-free connection.• Check carefully for leaks before starting the test run.• Do not leak refrigerant while piping work for an installation orre-installation, and while repairing refrigeration parts. Handleliquid refrigerant carefully as it may cause frostbite.• To prevent possible hazards from insulation failure, theunit must be grounded.P07-T11630.indb 2P07-T11630.indb 2 2/27/2012 9:20:55 AM2/27/2012 9:20:55 AM