AIR CONDITIONER

摘要

PROBLEM TO BE SOLVED: To provide an air conditioner that can be connected to a control switch having an amount-of-ventilation selecting function and a lamp indicating the operating state of a ventilator and the ventilator which can be changed in amount of ventilation and can be changed in amount of ventilation in accordance with the operation of the control switch. SOLUTION: The first output terminal 2a of commercial power supply 2 is connected to the second terminal 22b of an operating switch 22 and the first and second selection terminals 23a and 23b are electrically connected to the second output terminal 2b of the power supply 2 respectively through current detecting sensors 32 and 33. In addition, the second output terminal 2b is also connected electrically to the external terminal 11c of a ventilation fan 10. A controller 31 detects the amount of ventilation selected by means of the amount- of-ventilation selecting switch 23 from the ON/OFF signals of the current detecting sensors 32 and 33 and electrically connects the external terminal 11a or 11b of the ventilation fan 10 to the first output terminal 2a of the power supply 2.