Title:
【発明の名称】空気調和機
Document Type and Number:
Japanese Patent JP2601032
Kind Code:
B2
Abstract:
PURPOSE:To obtain an air-conditioner capable of detecting an abnormality, which was impossible substantially so far, and informing abnormal condition when trouble is generated in an air feeding or air discharging fan or disconnection and/or the lack of phase is generated in wirings to the fans and normal amount of air is not obtained. CONSTITUTION:A supplying air flow rate sensor 21 is provided in an air feeding port 1a, through which outdoor air is supplied into a room by an air feeding fan 1, while a discharging air flow rate sensor 22 is provided in an air discharging passage 2a, through which indoor air is discharged to the outside of the room by an air discharging fan 2. When the flow rates of air, detected by the supplying air flow rate sensor 21 or the discharging air flow rate sensor 22 is lower than a predetermined flow rate corresponding to frequencies outputted to said air feeding fan 1 and air discharging fan 2 from the air feeding fan driving means 26 and air discharging fan driving means 27 based on the detecting values of said suction and discharging air flow rate sensors 21, 22, stopping due to abnormality as well as the information of abnormality are effected.
Inventors:
Masahiko Sugino
Application Number:
JP40035190A
Publication Date:
April 16, 1997
Filing Date:
December 04, 1990
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
F24F11/02; F24F11/04; (IPC1-7): F24F11/04; F24F11/02
Domestic Patent References:
| JP6454166A | ||||
| JP33999A | ||||
| JP55177146U |
Attorney, Agent or Firm:
Kaneo Miyata (3 outside)