17Useful FunctionsPOWERFUL operation quickly maximises the cooling (heating) effect in anyoperation mode. In this mode, the air conditioner operates at maximum capacity. To startPress during operation.• “ ” appears on the LCD.• POWERFUL operation ends in 20 minutes. Then the system automatically operates againwith the previous settings which were used before POWERFUL operation. To cancelPress again.• “ ” disappears from the LCD.POWERFUL OperationNOTENotes on POWERFUL operation• Pressing causes the settings to be cancelled, and “ ” disappears from the LCD.• POWERFUL operation will not increase the capacity of the air conditioner if the air conditioner is already in operation with its maximumcapacity demonstrated.− In COOL, HEAT and AUTO operationTo maximise the cooling (heating) effect, the capacity of outdoor unit increases and the airfl ow rate becomes fi xed at the maximum setting.The temperature and airfl ow settings cannot be changed.− In DRY operationThe temperature setting is lowered by 2.5°C and the airfl ow rate is slightly increased.− In FAN operationThe airfl ow rate is fi xed at the maximum setting.Regarding the combination of POWERFUL and other operationsPOWERFUL + COMFORT AIRFLOWNot available**Priority is given to the function of whichever button is pressed last.POWERFUL + ECONOPOWERFUL + OUTDOOR UNIT QUIET