February 1, 2023

The Components of a Split Air Conditioner and Their Functions

A split air conditioner is the perfect alternative to central air conditioning and wall air conditioning units. A lot of older homes were not built with central air conditioning, so people had to resort to using wall units. However, wall units can be annoying because you have to keep them in your windows and they can only cool one room per unit. If you need to cool multiple rooms, then you would need multiple wall units in various rooms of your home. That will rack up your energy bill and make the exterior of your home look ugly.

As for a split air conditioner, it works silently to deliver cool air throughout your home. It doesn’t rely on air ducts either. Instead, it uses special copper tubing which connects the indoor air handler units to the outdoor A/C compressor and condenser units. The air handler units are installed on the walls, and they blow air out of them into the rooms they’re installed in.

5 Components

Below are the 5 main components of a split air conditioners.

1) Compressor

Air conditioning systems depend on a compressor component to pressurize the refrigerant. This happens right before the refrigerant flows to the condenser. Airtight sealed compressors are typically found in split air conditioners. There is a motor in the compressor that generates the power needed to drive the shaft of the unit. You cannot see any of these components because they’re all sealed inside the unit.

2) Condenser Coil

Split air conditioners use a condenser coil on the outside of the home. The condenser consists of coiled copper tubes that travel from the inside to the outside. The weight of the compressor and air conditioner will determine how many rows of coiled tubing are needed. The compressor sends pressurized refrigerant to the outdoor condenser coil.

The tubes are made from copper because it can transfer heat more easily. There are also aluminum fins on the condenser that work to release the heat faster from the refrigerant.

3) Cooling Fan

When the heated refrigerant enters the condenser, the heat needs to be released in order to prevent the compressor from getting damaged by the hot temperatures. The cooling fan is another component that works with the condenser.

As the heated refrigerant from the compressor passes through the coil of the condenser, it starts to get cooled off. The cooling fan is what blows the refrigerant into the coils so that it can become cooled in the first place.  A cooling fan contains a motor and 3 to 4 blades.

4) Expansion Valve

The expansion valve regulates how much refrigerant flows into the evaporator coil. The heated refrigerant is still in liquid form when it moves away from the condenser. But the heat from the refrigerant turns into a gas that flows away from the expansion valve and toward the evaporator coil.

5) Evaporator Coil

The evaporator coil receives the heated air that was taken out of the refrigerant. As the heated air passes through the evaporator coil, it is turned into colder air. In a split air conditioner, the air handler contains the evaporator coil. This is where the heated air passes through just before it comes out of the vent and into the room of the home.

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Conclusion

Split air conditioners have a lot of the same components as other air conditioning systems. The only difference is how the air is distributed and the design of the system. The coiled copper tubing is what truly defines the spilt air conditioner. It is what transfers indoor heat from the inside to the condenser unit on the outside.

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