| 摘要 |
PROBLEM TO BE SOLVED: To provide a ventilation device capable of easily performing maintenance of a control unit 11 in maintenance of a body 1, and not interfering with installation of the body by preventing sizing-up of the body. SOLUTION: The control unit 11 constituted by covering a control circuit board 9 including a power source terminal 8 for input power source by a case 10, is disposed in a state of being inserted to the body 1 disposed at an upper part of an inspection opening formed on a ceiling, from a lower face, and a connector 12A is disposed to disconnectably conducting and connecting the control circuit board 9 and a motor 6 of a blower 4, thus the maintenance of the control unit 11 can be easily performed by opening the inspection opening and demounting the control unit. Further the control circuit board 9 may be unitized to be detachable under the roof of low height, so that it does not interfere with the installation of the body 1. COPYRIGHT: (C)2010,JPO&INPIT |
