| 摘要 |
PROBLEM TO BE SOLVED: To allow removing and mounting an air-conditioning fan from both the upside and downside of a main body when maintenance of a ventilating/air- conditioning unit to be installed behind a ceiling is carried out. SOLUTION: A main body is held by three planes of a detachable top panel 16, a bottom panel 17 and a motor base plate 7 and includes molded parts of split type upper and lower fan casings 4 and 5 that are fixed by fixing brackets 18 and 19 respectively provided on the top panel 16 and the bottom panel 17. |
