3Installation Location• We recommend that this air conditioner be installed properly by qualifiedinstallation technicians in accordance with the Installation Instructionsprovided with the unit.• Before installation, check that the voltage of the electric supply in your home or officeis the same as the voltage shown on the nameplate.Electrical Requirements1. All wiring must conform to the local electrical codes. Consult your dealer or aqualified electrician for details.2. Each unit must be properly grounded with a ground (or earth) wire or through thesupply wiring.3. Wiring must be done by a qualified electrician.Safety Instructions• Read this Instruction Manual carefully before using this air conditioner. If youstill have any difficulties or problems, consult your dealer for help.• This air conditioner is designed to give you comfortable room conditions. Usethis only for its intended purpose as described in this Instruction Manual.• Do not install this air conditioner where there are fumes or flammable gases,or in an extremely humid space such as a greenhouse.• Do not install the air conditioner where excessively high heat-generatingobjects are placed.Avoid: To protect the air conditioner from heavy corrosion, avoid installing the outdoor unitwhere salty sea water can splash directly onto it or in sulphurous air near a spa.To warm up the system, the power mains must beturned on at least five (5) hours before operation.Leave the power mains ON unless you will not beusing this appliance for an extended period.• Never touch the unit with wet hands.• Never use or store gasoline or other flammable vapor or liquid near the airconditioner — it is very dangerous.• This air conditioner has no ventilator for intaking fresh air from outdoors.You must open doors or windows frequently when you use gas or oilheating appliances in the same room, which consume a lot of oxygen fromthe air. Otherwise there is a risk of suffocation in an extreme case.• Provide a power outlet to be used exclusively for each unit, and a powersupply disconnect, circuit breaker and earth leakage breaker forovercurrent protection should be provided in the exclusive line.• Provide a power outlet exclusively for each unit, and full disconnectionmeans having a contact separation in all poles must be incorporated in thefixed wiring in accordance with the wiring rules.• To prevent possible hazards from insulation failure, the unit must begrounded.• Do not clean inside the indoor and outdoor units by users. Engageauthorized dealer or specialist for cleaning.• In case of malfunction of this appliance, do not repair by yourself. Contactto the sales dealer or service dealer for a repair.• Refrigerant gas leakage may cause fire.• For safety, be sure to turn the air conditioner off and also todisconnect the power before cleaning or servicing.• Stop using the product when any abnormality/failure occurs anddisconnect the power plug or turn off the power switch and breaker. (Risk ofsmoke/fire/electric shock)CAUTION Power mainsONOI-100-3-EN