5 EnglishMOVEMENT OF THE AIR FLOW FLAPFor the following conditions, micro computer con-trols the air flow direction so it may be different fromthe display.Operation mode includes automatic operation.We recommend using the fan in the position listedabove when fixing the fan direction.B. LEFT AND RIGHT DIRECTIONGrasp the air flow blades at the tip and move theblades to the left and right.NOTE• Only make adjustments after you have stoppedthe air flow direction swing in a position whereadjustments are possible. Your hand may getcaught if you attempt to make adjustments whilethe unit is swinging.Operationmode Cooling HeatingOperationcondition• When roomtemperature islower than theset temperature• When operatingcontinuously athorizontal airflow direction• When roomtemperature ishigher than the settemperature• At defrost opera-tionRecommended flap positionsCoolingHeatingObserve the following precautions to ensure thesystem operates.• Adjust the room temperature properly for a com-fortable environment. Avoid excessive heating orcooling.• Prevent direct sunlight from entering a room dur-ing cooling operation by using curtains or blinds.• Ventilate the room regularly.Using the unit for long periods of time requiresattentive ventilation of the room.• Keep doors and windows closed. If the doors andwindows remain open, room air will flow out andcause to decrease the effect of cooling and heat-ing.• Do not place other heaters directly below theindoor unit.They may deform due to the heat.• Never place objects near the air inlet and the airoutlet of the unit. It may cause deterioration in theeffect or stop in the operation.• Turn off the main power supply switch when it isnot used for long periods of time. When the mainpower switch is turned on, some watts of electric-ity is being used even if the system is not operat-ing. Turn off the main power supply switch forsaving energy. When reoperating, turn on themain power supply switch 6hours before opera-tion for smooth running (Refer to MAINTE-NANCE).• When the display shows “ ”, ask a qualifiedservice person to clean the filters (Refer to MAIN-TENANCE).ONLY A QUALIFIED SERVICE PERSON ISALLOWED TO PERFORM MAINTENANCEIMPORTANT!• BEFORE OBTAINING ACCESS TO TERMINALDEVICES, ALL POWER SUPPLY CIRCUITSMUST BE INTERRUPTED• To clean the air conditioner, be sure to stop oper-ation, and turn the power switch off. Otherwise, anelectric shock and injury may result.• Do not wash the air conditioner with waterDoing so may result in an electric shock.• Be careful with a scaffold or stagingCaution must be exercised because of work at ahigh place.6. OPTIMUM OPERATION7. MAINTENANCE(FOR SERVICE PERSONNEL)