Thank you for purchasing this product unit.Carefully read this operation manual to ensureproper operation.After reading the manual, file it away for futurereference.Furthermore, make certain that this operationmanual is handed to a new user when he/she takesover the operation.As this operation manual is dedicated for the indoorunit, refer to also the operation manuals attached tothe outdoor unit and the remote controller.CONTENTS1. SAFETY PRECAUTIONS ............................. 12. WHAT TO DO BEFORE OPERATION ........... 43. OPERATION RANGE .................................... 54. INSTALLATION SITE..................................... 55. OPERATION PROCEDURE.......................... 56. OPERATION CHARACTERISTICS............... 67. OPTIMUM OPERATION................................ 78. MAINTENANCE(FOR SERVICE PERSONNEL) ..................... 79. NOT MALFUNCTION OF THE AIRCONDITIONER ............................................. 910. TROUBLESHOOTING ................................ 111. SAFETY PRECAUTIONSTo gain full advantage of the air conditioner’sfunctions and to avoid malfunction due tomishandling, please read this operation manualcarefully before use.This product comes under the term “appliances notaccessible to the general public”.This appliance is intended to be used byexpert or trained users in shops, in lightindustry and on farms, or for commercialuse by lay persons.This appliance can be used bychildren aged from 8 years and aboveand persons with reduced physical,sensory or mental capabilities or lack ofexperience and knowledge if they havebeen given supervision or instructionconcerning use of the appliance in asafe way and understand the hazardsinvolved. Children shall not play withthe appliance. Cleaning and usermaintenance shall only be done bypersons described in manual.The appliance is not intended for use byunattended young children or persons who areincompetent to operate air conditioners.It may result in injury or electric shocks.• This manual classifies the precautions intoWARNINGS and CAUTIONS. Be sure to followall the precautions below: They are all impor-tant for ensuring safety.WARNING ..... Indicates a potentiallyhazardous situation which,if not avoided, could result indeath or serious injury.CAUTION ...... Indicates a potentiallyhazardous situation which, ifnot avoided, may result in minoror moderate injury.It may also be used to alertagainst unsafe practices.• After reading, keep this manual in a conve-nient place so that you can refer to it whenev-er necessary. If the equipment is transferredto a new user, be sure also to hand over themanual.WARNINGWhen the air conditioner is malfunctioning(giving off a burning odor, etc.), turn off thepower to the air conditioner and contact yourlocal dealer.Continued operation under such circumstancesmay result in a failure, electric shocks or a fire.Consult your local dealer regardingmodification, repair and maintenance of theair conditioner.Improper workmanship may result in waterleakage, electric shocks or a fire.Be sure to use fuses with the correct amperereading.Do not use improper fuses, copper or otherwiring as a substitute, as this may result inelectric shocks, a fire, injury or damage to the airconditioner.Consult your local dealer if the airconditioner submerges owing to a naturaldisaster, such as a flood or typhoon.Do not operate the air conditioner in that case,or otherwise a malfunction, electric shocks, or afire may result.1 English