| 摘要 |
<p>PURPOSE: An indoor unit of air conditioner, indoor unit controlling method, and air conditioner including the same are provided to prevent the overload status of a compressor of an outdoor unit. CONSTITUTION: An indoor unit of air conditioner comprises a power unit(200), a first control unit(300), a second control unit(400), and a signal selecting unit(500) The electricity to the power unit is the indoor unit The first control unit receives electricity from the power unit and generates first control signals in order to control the opening and closing of the electric expansion valve. If the electricity provided to the indoor unit is blocked, the second control unit generates second controlling signal in order to control the opening and closing of the electric expansion valve. The signal selecting unit selects one from the first and second control signals and outputs the selected control signal to the electric expansion valve.</p> |
