Ceiling Suspended Type Designed for ultra-quiet operation and easy maintenance, provides exceptionally comfortable air-conditioning. Stylish Indoor Unit Design A stylish square-like design is adopted for the indoor units of all models. As a result, the units blend in better with the ceiling. Optional Drain Pump for Full-capacity Models The pumping height of the optional drain pump has been increased from 400mm to 600mm, expanding flexibility in choosing unit location during installation work. Equipped with Automatic Air-speed Adjustment In addition to the conventional 4-speed setting, units are now equipped with an automatic air-speed adjustment mode. This setting automatically adjusts the air-speed to conditions that match the room environment. At the start of cooling operation, the airflow is set to high-speed to quickly cool the room. When the room temperature reaches the desired setting, the airflow speed is decreased automatically for stable comfort -able cooling operation. Fresh Outside-air Intake Units are equipped with a knock-out hole that enables the in - duction of fresh outside-air. Flockless vanes With the adoption of flockless vanes, dirt and other impurities can be cleaned off easily with mild household detergent.