2IMPORTANT!Please Read Before StartingThis air conditioning system meets strict safety and operatingstandards. As the installer or service person, it is an importantpart of your job to install or service the system so it operatessafely and efficiently.For safe installation and trouble-free operation, youmust: Carefully read this instruction booklet before beginning. Follow each installation or repair step exactly as shown. Observe all local, state, and national electrical codes. 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 for aspecial problem, contact our sales/service outlet or yourcertified dealer for additional instructions.In Case of Improper InstallationThe manufacturer shall in no way be responsible for improp-er installation or maintenance service, including failure tofollow the instructions in this document.SPECIAL PRECAUTIONSWhen WiringELECTRICAL SHOCK CAN CAUSE SEVEREPERSONAL INJURY OR DEATH. ONLY AQUALIFIED, EXPERIENCED ELECTRICIANSHOULD ATTEMPT TO WIRE THIS SYSTEM. 'RQRWVXSSO\SRZHUWRWKHXQLWXQWLODOOZLULQJDQGWXELQJare completed or reconnected and checked. +LJKO\GDQJHURXVHOHFWULFDOYROWDJHVDUHXVHGLQWKLVsystem. Carefully refer to the wiring diagram and theseinstructions when wiring. Improper connections andinadequate grounding can cause accidental injury ordeath. *URXQGWKHXQLW following local electrical codes. &RQQHFWDOOZLULQJWLJKWO\/RRVHZLULQJPD\FDXVHRYHUheating at connection points and a possible fire hazard. 7RSUHYHQWSRVVLEOHKD]DUGVIURPLQVXODWLRQIDLOXUHthe unit must be grounded.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 thin alu-minum 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 location foreasy 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.Keep the fire alarm and the airoutlet at least 1.5 m away fromthe unit.…In Moist or Uneven LocationsUse a raised concrete pad or concrete blocks to provide asolid, level foundation for the outdoor unit. This preventswater damage and abnormal vibration.…In an Area with High WindsSecurely anchor the outdoor unit down with bolts and ametal frame. Provide a suitable air baffle.…In a Snowy Area (for Heat Pump-type Systems)Install the outdoor unit on a raised platform that is higherthan drifting snow. Provide snow vents.When Connecting Refrigerant Tubing 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.WARNINGWARNINGWARNINGCAUTION CAUTION :KHQSHUIRUPLQJpiping workdo not mix air except for speci-fied refrigerant (R410A) inrefrigeration cycle. It causescapacity down, and risk ofexplosion and injury due tohigh tension inside the refrige-rant cycle. 5HIULJHUDQWJDVOHDNDJHPD\cause fire. 'RQRWDGGRUUHSODFHUHIULJHUDQWother than specified type.It may cause product damage,burst and injury etc.