Duct Connected - Low/Middle Static Pressure - Indoor unit - Thin design with a height of only 280 mm for all the models - Zoning system: effective temperatures control of multiple rooms with one indoor duct unit - Automatic External Static Pressure control: indoor unit will automatically recognize ESP by itself and keep the rated air flow volume - Motion sensor (option): detects the presence/absence and human activity in a room to improve comfort and energy saving - Impeller and motor can be pulled out easily and maintenance can be carried out from the right or bottom side - Drain-pump (600 mm) is mounted in all models and the drain pan is equipped with a window to quickly check the cleanliness - Compatible with R410 and R32 refrigerants