摘要 |
PURPOSE:To enable the heating and ventilation of a first room and a second room by means of one set of ventilation apparatus, by connecting two rooms through a main body of a ventilation apparatus, and by opening and closing a damper provided at a discharge port of a fan. CONSTITUTION:For heating a room A, a damper 7 is opened in the direction of (a) and a heater 8 is energized. air of the outdoors C is passed through a duct 6, while air in a room A is led through a duct 3, whereby said air is fed to a main body of a ventilation apparatus 1. Part of air is discharged to the outside through a duct 5, whereas other air is heated by a heater 8 provided in a duct 2 and discharged into the room A. An ordinary ventilation is carried out by turning off the heater 8 only. For heating a room B, the damper 7 is opened in the direction of (b) and a heater 9 is energized, so that air of the outdoors C is led through the duct 6, together with air in the room A led through the duct 3, which is heated by a heater 9 provided in the duct 4 and is supplied. |