| 摘要 |
PROBLEM TO BE SOLVED: To provide a blowing device with a plurality of blowers, in which operation/stop of each blower is determined and it is confirmed whether or not each blower is normally operated, even when an installation site of the blowing device is high. SOLUTION: The blowing device 10 includes the plurality of blowers each having an electric motor and an impeller 20 rotated by the electric motor as a driving source thereof, and installed in parallel with each other. The blowing device further includes: lamps 24 corresponding to respective electric motors; and a control circuit controlling the lamps 24 corresponding to respective electric motors to light a lamp 24 when the corresponding electric motor is normally operated, turn off a lamp 24 when the corresponding electric motor is stopped, or blink a lamp when the corresponding electric motor is in abnormal operating condition. COPYRIGHT: (C)2011,JPO&INPIT
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