| 摘要 |
PROBLEM TO BE SOLVED: To easily change an air filter to be arranged in a cooling unit even in a narrow space. SOLUTION: A fitting opening 4 of an air filter 2 is formed in a casing 3 of a cooling unit 1 from its bottom part to the indoor side. A guide member 5 is provided on the fitting opening on the indoor side along each side part of the opening. In the guide member 5, a pair of ribs 5a, 5b are extended from an upper surface to a lower surface of the casing 3. The ribs 5a, 5b are symmetrical to each other with the fitting opening 4 as the axis of symmetry, and their section is U-shaped, and guide grooves 5c, 5d are provided opposite to each other. The width of the guide grooves 5c, 5d is as large as the diameter of a columnar turning shaft 6 fitted to a corner part of the air filter 2. |
