| 摘要 |
PROBLEM TO BE SOLVED: To minimize an increase in the size so as to allow addition of new functions by arranging a selectively used apparatus movable between a storage position allowing no passage of introduced air and a usage position passing the introduced air in an air duct system for conditioning and blowing the introduced air. SOLUTION: In an air conditioning duct AD serving as an air duct system leading introduced air, a selectively used apparatus unit 60 is added to the part leading introduced air from a blower unit 20 to a cooler unit 30 and provided with a selectively used apparatus 61 selectively used as necessary. The selectively used apparatus 61 is arranged oscillationally between a storage position and a usage position, and in the usage position, introduced air led from the blower unit 20 to the cooler unit 30 always passes through the selectively used apparatus 61. In the selectively used apparatus unit 60, a recess part 63 housing the selectively used apparatus 61 is formed on the wall face of a casing 62. In this way, increase in the size is minimized and new functions can be added for improving performance.
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