2EnglishIMPORTANT!Please Read Before StartingThis air conditioner must be installed by the sales dealer orinstaller.This information is provided for use only by authorizedpersons.For safe installation and trouble-free operation, youmust:� Carefully read this instruction booklet before beginning.� Follow each installation or repair step exactly asshown.� This air conditioner shall be installed in accordancewith National Wiring Regulations.� Pay close attention to all warning and caution noticesgiven in this manual.This symbol refers to a hazardor unsafe practice which canresult in severe personal injuryor death.This symbol refers to a hazardor unsafe practice which canresult in personal injury or prod-uct or property damage.If Necessary, Get HelpThese instructions are all you need for most installationsites and maintenance conditions. If you require help fora special problem, contact our sales/service outlet oryour certified dealer for additional instructions.In Case of Improper InstallationThe manufacturer shall in no way be responsible forimproper installation or maintenance service, includingfailure to follow the instructions in this document.SPECIAL PRECAUTIONSWhen WiringELECTRICAL SHOCK CAN CAUSESEVERE PERSONAL INJURY OR DEATH.ONLY A QUALIFIED, EXPERIENCEDELECTRICIAN SHOULD ATTEMPT TOWIRE THIS SYSTEM. 'RQRWVXSSO\SRZHUWRWKHXQLWXQWLODOOZLULQJDQGWXEing are completed or reconnected and checked. +LJKO\GDQJHURXVHOHFWULFDOYROWDJHVDUHXVHGLQWKLVsystem. Carefully refer to the wiring diagram andthese instructions when wiring. Improper connectionsand inadequate grounding can cause accidentalinjury or death. *URXQGWKHXQLW following local electrical codes. &RQQHFWDOOZLULQJWLJKWO\/RRVHZLULQJPD\FDXVHoverheating at connection points and a possible firehazard. 7RSUHYHQWSRVVLEOHKD]DUGVIURPLQVXODWLRQfailure, the unit must be grounded. ,QVWDOODSURWHFWLYHleakage breaker/fuse link depend-ing on the installation location (especially a damp orhumid location). If a leakage breaker/fuse link is notinstalled, electric shock can occur.When TransportingBe careful when picking up and moving the indoor and out-door units. Get a partner to help, and bend your knees whenlifting to reduce strain on your back. Sharp edges or thinaluminum fins on the air conditioner can cut your fingers.When Installing…Select an installation location which is rigid and strongenough to support or hold the unit, and select a locationfor easy maintenance.…In a Ceiling or WallMake sure the ceiling/wall is strong enough to hold theunit’s weight. It may be necessary to construct a strongwood or metal frame to provide added support.…In a RoomProperly insulate any tubing run inside a room to prevent“sweating” that can cause dripping and water damage towalls and floors.…In Moist or Uneven LocationsUse a raised concrete pad or concrete blocks to providea solid, level foundation for the outdoor unit. This pre-vents water damage and abnormal vibration.Keep the fire alarm and the airoutlet at least 1.5 m away fromthe unit.When Connecting Refrigerant Tubing :KHQSHUIRUPLQJpiping workdo not mix air except forspecified refrigerant (R410A)in refrigeration cycle. It caus-es capacity down, and risk ofexplosion and injury due tohigh tension inside therefrigerant cycle. 5HIULJHUDQWJDVOHDNDJHPD\cause fire. 'RQRWDGGRUUHSODFHUHIULJHUant other than specified type.It may cause product dam-age, burst and injury etc. 9HQWLODWHWKHURRPZHOOLQWKHHYHQWWKDWUHIULJHUDQWgas leaks during the installation. Be careful not to allowcontact of the refrigerant gas with a flame as this willcause the generation of poisonous gas. 'RQRWDGGDQ\UHIULJHUDQWDLURUVXEVWDQFHLQWRWKHrefrigeration circuit other than the designated refriger-ant (R410A). Adding anything other than the specifiedrefrigerant may cause the pressure to rise excessivelyin the refrigeration circuit, rupturing the circuit andcausing injury or damage. 8VHDOOQHZWXELQJDQGIODUHQXWVWRPDNHWKHWXELQJconnections. Using any previous parts (from R22-based systems) may result in damage to the equip-ment, and may lead to the refrigeration circuit ruptur-ing, causing a serious accident.WARNINGCAUTIONWARNINGCAUTIONWARNING