| 摘要 |
PURPOSE:To eliminate a projected part and eliminate an indoor occupying area by a method wherein a main body is made as a flat box-like unit, both sides of the main body are applied as a suction port and a blowing port, a duct connection flange is provided, each of ducts is connected to an indoor suction port and an indoor blowing port arranged at both sides. CONSTITUTION:A frame body 15 is formed as a flat rectangular box-like unit. A heat exchanger 16, a motor plate 17 and a blower 18 are stored in the frame. A flange 21 for use in connecting a suction duct 20 is arranged at a side plate 19 and a flange 24 for use in connecting a suction duct 23 is arranged at the other side plate 22. This frame 15 is installed between an upper bay-window floor and a lower bay-window floor, aud connected to an indoor suction port 28 arranged at an indoor wall surface 28, an indoor blowing part 29, a suction port 25 of the frame 15 and a blowing port 22 with each of connection ducts 20 and 23. With this arrangement, it is possible to eliminate a projection and further eliminate an occupied space in the floor surface. |
