Image provided by iStock. Schedule an Appointment. Click for Financing. Review Us on Google. Call Now! Air Conditioning System Parts Central air conditioning systems are made up of an evaporator, a condenser, and a compressor.
The Air Conditioning Process Your air conditioner pulls warm air through return air vents in rooms throughout your house. The modern air conditioner runs through a precision balance of components that all contribute toward making a home feel cool and inviting during a humid Florida summer.
Each part of an AC needs to remain in excellent operating conditioning, but a few of these components deserve special attention. In a split air conditioning system—the standard central AC found in most homes—the compressor is located in the outdoor unit. Its job is to circulate the refrigerant necessary for heat exchange through the coils of the indoor and outdoor unit, and also to apply the energy to the refrigerant.
A motor powers the compressor, which is itself constructed like a motor, with a cylinder and piston. The high pressure forces the refrigerant through a line that leads to the outdoor coil, where the refrigerant releases its heat and condenses into a liquid.
As the roller turns more, the refrigerants pressure will increase above the discharge lines pressure, opening the discharge valve. The high pressure high temperature refrigerant vapor will leave the compressor through the discharge line. While the refrigerant is being compressed the suction valve opens when the roller is not blocking the suction valve, letting more refrigerant in to the cylinder. This creates a continuous flow of compression. Scroll compressors work efficiently with two perfectly manufactured spirals.
One of the scrolls is stationary, while the other scroll vibrates or wobbles. As the scroll that vibrates moves, refrigerant vapor is pushed and compressed toward the center of the compressor where it is discharged from the compressor. The configuration of the scrolls forms multiple chambers, each of which is at a different stage of compression, allowing the compressor to operate smoothly and continuously. Scroll compressors are becoming a popular choice for replacement, because they are better able to handle any liquid that may enter the device.
One of the scrolls are stationary and the other floats giving the scroll some play. This play will allow the floating scroll to move if liquid, which is not compressible, should it enter the compressor. The pistons on a reciprocating compressor move in a well-defined path and the introduction of liquid could result in a major component failure.
Liquid entering the scroll compressor will, however, reduce the capacity of the system. Another benefit of scroll compressors is that they do not use suction and discharge valves. Since there are no suction or discharge valves, scroll compressors are equipped with a a low-mass, disc-type check valve at the discharge port tht prevents the high-pressure refrigerant from traveling back through the compressor during the off cycle.
Citation Silberstein, Eugene. Clifton Park, NY: Delmar, Call Us! Facebook Envelope. Many issues can cause your home air conditioner compressor to fail. Most of these are not expensive fixes—sometimes a system issue can be as simple as a clogged air filter hindering the airflow. Fortunately, most types of air conditioning compressor failures can be prevented if the problem is addressed early on. To maintain the condition of your compressor, scheduling routine air conditioner maintenance can detect and resolve any occurrences that may result in a bigger issue.
Typically, most home air conditioner compressor failures come from unqualified technicians. This is why you should contact a certified technician to receive exceptional air conditioning maintenance. Perhaps one of the most costly repairs, electrical issues can cause permanent damage to your home AC compressor along with other parts of your unit. When an electrical error occurs, this builds up acids that are detrimental to your system.
However, scheduling routine air conditioning tune-ups can prevent electrical problems. A qualified technician is able to inspect your system for acids and repair damaged fuses, wiring, and more that may wreak havoc on your compressor. This mishap is largely due to the performance of an unqualified technician. A suction line that is too small or too large can cause your air conditioning compressor to break down, resulting in costly repairs. When contacting an air conditioning professional, make sure you receive a well-qualified technician to get the job done right, every time.
Similar to installing an improperly sized suction pipe, it is not uncommon for unqualified HVAC technicians to use the wrong type of refrigerant for your system. We do not recommend performing an air conditioning repair or tune-up project without a licensed professional. A common mistake that is often overlooked by unqualified contractors or homeowners is filling the air conditioner with too much refrigerant.
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