| 摘要 |
PURPOSE:To obtain adequate indoor temperature distributing condition by a method wherein an air duct is provided from the blow-off port of an indoor heat exchanger, connected to the box having plural blast ports, the box is provided with an open/close device which is arranged on the ceiling nearby at the central part of a room, then the air blast direction is changed-over by the open/ close device. CONSTITUTION:A box 3 is provided with a connecting port 21 for an air duct 4 and air blast ports 19, 20 of which opening ports are vertical to floor surface. The blast ports are respectively provided with control plates 22, 23 and control plate driving parts 24, 25 which drive the control plates by an electromagnetic force, an air pressure, an oil hydraulics and the like, the air blast ports are opened and closed by those means. A controller 5 controls the operation of an air conditioner, that is, provided with an ON/OFF switch of the air conditioner, a temperature setting switch, an air quantity setting switch, further, provided with a blast direction specifying change-over switch which controls the ON/OFF of the input for the control plate driving part. Thereby, the space requiring the air conditioning can be effectively air conditioned with keeping the comfortableness by a simple fitting working. |
