In split units the indoor and outdoor sections of the room air conditioner are separated out into two casings or units. The indoor unit, Fig. 52.5, consists of the evaporator coil, evaporator blower with its own separate motor, capillary tube, control panel, air filter, supply and return grills, etc. It is installed inside the room to be conditioned. It can be ceiling suspended, wall mounted, or kept on the floor as a console unit and is generally known as fan coil unit.