The vertical louvers can be kept moving in the vertical direction so that the air flows throughout the room uniformly or they can be kept in the fixed direction so that the air flows in particular desired direction only. These louvers are connected to the small motor. The vertical louvers enable changing the horizontal motion of the air inside the room. The position of these lovers can be changed manually. The horizontal louvers in the front panel enable changing the vertical motion direction of the air inside the room. The chilled air from blown by the blower passes into the room through these louvers. Additionally, in front of the air conditioner body and attached to it are the vertical louvers. The speed of the motor can be changed by the knob provided in the control panel or by the remote control if the air conditioner has PCB fitted into it.ģ) Direction of the air flow inside the room: In front panel of the window air conditioner there are horizontal lovers. As the speed of the motor changes the amount of air sucked by it and blown by it also changes and so the amount of air delivered in the room also changes. This PCB has remote sensor so the setting of the thermostat can be easily changed by the remote control.Ģ) Air flow rate inside the room: The motor connected to the blower is of multispeed type, so one can change the speed of the motor. In the modern window air conditioners, there is printed circuit board (PCB) to which the thermostat is connected. The person inside the room can easily set the temperature required by rotating this knob. The thermostat is also connected to the switch in control panel and it has the knob for setting the temperature. The thermostat sensor is connected directly to the cooling coil to sense its temperature. All these controls are discussed below and also shown in figure 1.ġ) Thermostat for controlling the room air temperature: For controlling the temperature inside the room there is thermostat. The three important parameters that are to be controlled inside the window air conditioner are the room air temperature, the flow rate of the air and the direction of the air. This control panel can be easily accessed from the front panel of the window air conditioner. In front of the window air conditioner there is control panel or the operating panel that carries various control buttons. Control System of the Window Air Conditioners
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