| 摘要 |
PURPOSE:To facilitate attaching work, maintenance and inspection of the heat exchanging type ventilating device, improve the appearance and reduce noise in case heat exchanging ventilation of two rooms is effected by a method wherein a fan unit, provided at the rear side of a ceiling, is connected through duct attaching plates to heat exchanging units provided respectively at the insides of the rooms. CONSTITUTION:The fan unit 1 is connected to the heat exchanging units 13, 23 through ducts 34, 36 to effect the heat exchanging ventilation of a plurality of rooms M, N simultaneously or individually and the fan unit 1 is provided at the rear side of ceiling whose space is large. Further, the heat exchanging units 13, 23 are connected detachably to the fan unit 1 so that the heat exchanging units 13, 23 can be detached freely from the indoor side through the opening of the ceiling. According to this method, the attaching work, maintenance, inspection and exchange of the heat exchanging units may be facilitated and invasion of external wind as well as external noise may be prevented by dampers 22, 23 provided on the heat exchanging units. |
