5Names of PartsAir outletOperation Mechanism Heating performancez Since this air conditioner utilizes outside air for heating,its heating performance deteriorates as outside tempera-ture decreases.(Due to heat pump system)→In that case, use another heating appliance. Defrostingz This appliance may start defrosting operation to meltfrost formed in the outdoor unit.1Defrosting starts: The indoor unit fan stops (or thespeed becomes extremely slow).→” ” (STANDBY) appears.2Heating operation resumes after severalminutes: The indoor unit fan remains stopped (orit will run at a very slow speed) until the indoor heatexchanger coil warms up sufficiently.→ ” ” (STANDBY) is shown.3Defrosting is complete: The indoor unit fan startsoperation.→ ” ” (STANDBY) disappears.INDOOR UNITT2 type (Ceiling)Water drainCeiling panel(optional)Air outlet(4 locations)Air intake grille(air intake)OptionalFor all indoor units For all indoorunits ‘‘DRY’’ operationz Once the room temperature reaches the level that wasset, the outdoor unit repeats the cycle of turning on andoff automatically.z When the outdoor unit is turned off, the indoor unit fanwill stop, too.(To prevent the humidity in the room from rising again)z When the room temperature is more likely to reach thelevel that was set, the fan speed is set to ‘‘breeze’’ (lightwind) automatically.z ‘‘DRY’’ operation is not possible if the outdoor tempera-ture is 15 °C or less. Should the power failure occurs while theunit is runningWhen the unit automatically resumes operation aftertemporary power failure, it uses the same settings beforethe power was cut off.Air intake grille(air intake)Wireless Remote Controller Timer Remote ControllerWater drainRead the operating instructions includedwith the Remote Controller.OUTDOOR UNITU1 type (4-Way Cassette)Air intakeAir outletAir intakeAir outlet60, 71 type 100, 125, 140 type