![]() Remember, not having enough space outside the window can impede airflow, such as in between bushes or close to a tree. The correct installation of your AC unit may be the first step to figuring out and solving everyday problems with a window unit not working or blowing cool enough air.Ĭheck and make sure that your window unit is installed correctly by making sure that it is well fitted into the window, that the side panels fit correctly, and that there is enough space inside and outside for proper airflow. Two electrical contacts emerge from the top of the cylinder and connect to the compressor and fan motor. This cylindrical device holds an electrical charge that allows the compressor and fans motor to start and run. To catch and cool off hot air, a liquid (in the condenser) or gaseous (in the evaporator) compound passes between the air conditioner's evaporator and condenser coils.Ī lack of refrigerant will cause the air coming into the window unit not to be cooled, meaning you won't get the cold air you need. The refrigerant in the evaporator coil converts and cools the heated air to cooler temperatures. The evaporator is made out of copper tubing (evaporator coil) wrapped by thin aluminum fins and is located right beneath the filter. The condenser, located near the back of the unit, has the same components as the evaporator (copper tubing, fins, and refrigerant), but it absorbs hot air from the room blows it outside via a fan (the condenser fan). An internal motor drives the compressor, usually situated between the evaporator and the condenser (compressor motor). The compressor compresses the refrigerant into a hot and cold liquid for the condenser and evaporator. This may cause your window unit not to turn on or run constantly. Thermostats may occasionally break or fail, meaning they can no longer take an accurate temperature reading. It's usually attached to the front of the evaporator. This device, usually a tiny copper tube of three to four inches in length, monitors the room temperature and controls the air conditioners on/off cycle. Filters are one of the easiest ways to fix an AC window unit as they are frequently clogged and thus need to be cleaned or replaced. This panel may be held in place by screws, tabs, clips, or both depending on the unit. The filter will be placed either inside or behind the face panel, a plastic or metal cover on the front of your air conditioner that must be removed first to access the air conditioner's components. ![]() The filter is a thin, pleated screen that keeps dirt and debris out of the air conditioner's internal components and cleans the air before it's recirculated back into the room. These fans and blowers can often get clogged and need to be cleaned. Meanwhile, the blower, placed on the other side of the fan, pulls hot air from the room over the evaporator coils to cool it before recirculating it back into the room. The fan cools the compressor coils by blowing outside air against them. Troubleshooting air conditioners is a process of elimination to find the faulty element. If your AC won't turn on, the problem could be in one of many parts.
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