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what are the main components of an air conditioning system

by Lonie Parker Published 3 years ago Updated 2 years ago
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There are four major components of an air conditioning system. They are the evaporator, condenser, compressor, and expansion valve. Each of these air conditioner components functions in sync with each other and has a specific job to do – to keep your air conditioner running like a well-oiled machine.

In reality, the average air conditioner can be broken down into four main components: the evaporator coil, compressor, condenser coil, and expansion valve. Each component plays a unique role in helping your central air conditioner provide cooling comfort for your home.

Full Answer

What are the main parts of an air conditioner?

What Are the Major Parts of an Air Conditioner?

  • Air Conditioning 101. First, it is helpful to understand the basics of how your air conditioner works. ...
  • Circulating Fan. The circulating fan is what makes the air flow through your system. ...
  • Evaporator Coil. The evaporator coil is inside, usually near the air handler or furnace. ...
  • Compressor. Outside your home is the condensing unit. ...
  • Condensing Coil and Fan. ...

What are the parts of the air conditioning system?

Automotive AC System Components

  • The System is Filled with Refrigerant. ...
  • The Refrigerant is Turned into Liquid by the Compressor. ...
  • Refrigerant is Cooled in the Condenser. ...
  • Air is Dried in the Receiver-Drier *. ...
  • Debris is Removed by the AC Inline Filter. ...
  • The Liquid Refrigerant is Turned into Mist by the Expansion Valve *. ...
  • ...or by the Orifice Tube *. ...

More items...

What are the components of a residential HVAC system?

The Air Conditioner Equipment

  • Fan: The fan is the visible, loud part of the outside unit. ...
  • Compressor: The compressor is the machine inside the air conditioning box outside of your home.
  • Condenser Coil: The condenser coil is inside the air conditioning box outside of your home. ...
  • Refrigerant Filled Tubing: This tubing goes from the outside of your home to the inside of your home. ...

How to choose the best air conditioning unit?

How to Choose the Best Air Conditioning Unit

  • The cost. Don’t just look at the price tag. ...
  • Size. Where do you want to use the unit? ...
  • Features. Modern units make air conditioning a breeze. ...
  • Noise. Most air-con units operate with minimum noise. ...
  • Warranty. Warranty saves you a lot, but not all are as good. ...

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What are the three main components of an air conditioning system?

There are four major components of an air conditioning system. They are the evaporator, condenser, compressor, and expansion valve.

What are 6 main parts of an air conditioning unit?

The six main air conditioning components that homeowners should be aware of are the thermostat, air blowing unit, air filter evaporator, condenser coil, and compressor.

What are the components of an air conditioning system write the function of each?

The cold side of an air conditioner contains the evaporator and a fan that blows air over the chilled coils and into the room. The hot side contains the compressor, condenser and another fan to vent hot air coming off the compressed refrigerant to the outdoors.

What are the two main parts of an air conditioner?

Central air conditioning systems utilize two main components: an outdoor condenser and an indoor evaporator.

What are the four main parts of a condenser?

When it comes to your air conditioner, there are 4 main parts that you should know. They are the condenser coil, evaporator, expansion valve, and compressor.

What are the four major functions of air condition system?

Air conditioning system can be for heating, dehumidifying, cooling, and humidifying.

What are the equipment used in air conditioning?

Compressor. Fan. Condenser Coil (Hot) Evaporator Coil (Cool)

What are the components used for air conditioning systems and briefly explain air conditioning cycle?

The split system air conditioner consists of both an outside and an inside unit. The outside unit is installed on or near the exterior wall of the room you're looking to cool, and houses the compressor, condenser coil, and expansion coil. The indoor unit sits on the wall and contains the cooling coil and an air filter.

How much does an AC capacitor cost?

AC Capacitor Cost The cost of an AC capacitor is typically between $9 and $25. Professional installation usually costs between $60 and $200. Replacing this part is a common AC repair cost and is often relatively inexpensive.

What is the outside part of an AC unit called?

condenserOutdoor Unit. This is the part of an air conditioning system that contains the compressor, propeller fan, circuit board and heat exchange coil. It's situated outside, and pumps refrigerant to and from its companion indoor unit. You'll often hear this unit referred to as the 'condenser' or 'heat exchanger'.

What is the inside unit of an air conditioner called?

The Inside Unit The piece of equipment inside your home is often referred to as an evaporator because it contains and evaporator coil. It also contains a fan and a fan motor that pushes warm air from your home over the cool evaporator coils.

What Are the Main Parts of an Air Conditioner?

There are four major components of an air conditioning system. They are the evaporator, condenser, compressor, and expansion valve. Each of these air conditioner components functions in sync with each other and has a specific job to do – to keep your air conditioner running like a well-oiled machine.

What Other AC Unit Components Are There?

The AC unit components discussed above are the main ones, but there are some more as well.

How does a condenser work?

Let’s start with the cooling cycle. The refrigerant is compressed in the compressor and turned into a hot, high-pressure liquid. This liquid flows towards the condenser coils and is cooled down with the help of a large fan. Next comes the expansion valve, which rapidly expands the refrigerant, converting it into a cool, low-pressure gas. This cooled gas is what cools down your room. That is done in the evaporator coils. The coils get cold, and a fan in the indoor unit blows the warm indoor air over them, turning down the temperature. That was simple, wasn’t it!

How to keep AC compressor healthy?

You can keep the most important AC component healthy by often checking for refrigerant leaks, preventing dirt & contamination, keeping the condenser coils cleaned, and keeping your AC well oiled. 3. Condenser Coil. The opposite of the evaporator, ...

What is the best material for an evaporator fan?

These coils are usually made out of copper but can also be made of steel or aluminum. Copper is the preferred choice because it has better thermal conductivity, is easier to work with, and effortless to maintain.

How does an air conditioner work?

An air conditioner is like an orchestra, with many different parts working together in symphony to achieve the end result and provide cool or hot air to the room. When everything is working fine, you do not even notice that there are multiple components inside the unassuming box, making up your air conditioner work smoothly.

Why is the compressor important in an air conditioner?

The purpose of the compressor is, as the name suggests, to compress the refrigerant, which is a warm vapor as it reached the compressor, to a hot compressed liquid.

What are the components of an air conditioner?

Six main components of your air conditioning system. 1. Thermostat. The most commonly known component of an air conditioning system, the thermostat helps you regulate how cool you want your home to be.

What is the function of an air conditioner compressor?

The compressor functions together with refrigerant to convert low-pressure gas into high-pressure gas. This high-pressured gas then makes its way out of the compressor and into the condenser coil.

What is the purpose of condenser coils?

This component works to cool down any high-pressure gas and turns it into a liquid, getting it ready for your air conditioner’s evaporator.

What is inside the evaporator coil?

Inside the evaporator coils is refrigerant. Through the process of heat transfer, the refrigerant captures heat from the air and is then pumped to the condenser coils, where the heat is released. Back inside, the air (now cooler from the heat being removed) continues through the AC system. 5.

Why is it important to replace an air filter?

It’s important to replace your air filter based on the recommended schedule, as a clogged filter can add wear and tear to your equipment. 3.

When do you need to know your air conditioning system?

As temperatures rise during the spring and summer months, you’re going to need to know your way around your home’s air conditioning system. Understanding what components to look for if you hear weird noises or experience general issues is an integral part of keeping things (including your head) cool all summer long.

What is a blower in a home?

The blower is part of the air handler unit and pushes air over the evaporator, where the air is cooled. The blower then sends the cooled air through the ductwork to different areas of the home.

What is the main component of an air conditioning system?

A basic air conditioning system consists of three main components: • Compressor: compresses the low pressure refrigerant (low temperature) to high pressure (high temperature). This conversion increases the boiling point to higher temperature levels, which facilitates the removal of heat brought by the outside air.

What is air conditioning?

Air conditioning means, the air conditioning for the maintenance of the specific conditions of temperature, humidity (moisture in the air) and the level of dust inside a closed space. The conditions that remain are dictated by the need for the conditioned space is intended. The air conditioning system removes heat leaking into ...

How is heat absorbed and maintained?

Heat is absorbed and maintained in the subcutaneous layer of adipose tissue and regulated in the following ways: • Cooling (vasodilation): when the body becomes hot, the capillaries dilate allowing more blood to reach the surface of the skin. The pores dilate allowing the heat to be lost from the body.

Does foam help with air quality?

As a matter of fact , it was this very foam that was used to help improve air quality under the “Health House” initiative of the American Lung Association. 3. Eliminate Mold Problems Mold growth is a major concern to homeowners because exposure to molds may cause a number of health issues. The presence of molds will also steeply diminish the resale value of a property.

What is the outside unit of an air conditioner?

Condenser. The condenser is the outside unit of your air conditioning system. It sits outside on the ground and is typically round or square-shaped. The condenser is a very essential part of your system—it’s responsible for releasing the heat that your refrigerant has absorbed into the atmosphere.

What is the compressor in a condenser?

Compressor. The compressor is a large AC component located inside of the condenser and isn’t visible. The compressor helps the condenser by increasing the refrigerant’s pressure enough for the condenser to change the high pressure vapor into a liquid.

How does liquid refrigerant work?

Cooler, liquid refrigerant enters the evaporator from the condenser (via the lineset) and is met with lower pressure. When this happens, the liquid refrigerant turns back into a gas and absorbs heat from the air around it, cooling the inside of your home.

What does the expansion valve do in a compressor?

The expansion valve serves to lessen the pressure of the liquid refrigerant so that it can turn back into a gas inside of the evaporator.

What is a lineset in a refrigerant system?

Lineset. Lineset is the term that refers to the copper lines that run between the outdoor and indoor portions of your unit. These lines are used to transport either liquid or gas refrigerant from one component to the next in the cycle.

Why do air filters work?

When your air conditioning system pulls in air for cooling, the air filter helps trap any pollen, pet dander, dust or other particles from being re-circulated. Keeping these particles out of your air and system is vital to the unit’s function.

Does it matter what air conditioner you have?

It doesn’t matter what brand or model of air conditioner you have, because we service them all.

What are the main parts of an air conditioner?

Here are some of the main parts of the outdoor air conditioning unit: 1. Compressor. Image source: Pinterest. The compressor is an important part of an air conditioner because it transforms the refrigerant in the system in order to cool your house. It changes the refrigerant from its liquid form to gas.

How does an air conditioner work?

An air conditioner uses the same law by increasing and reducing the pressure of the refrigerant to lower or increase the temperature.

What is the Role of the Outdoor Unit of Your AC in the Cooling Process?

The outside unit of your air conditioner plays an important role in getting rid of excess heat from your home and supplying you with cool air. Also known as the condenser unit, this outside unit is responsible for releasing heat into the air outside your house. So, without this outside unit, the heat that is drawn from your house won’t have anywhere to go.

Why is a condenser coil important?

A condenser coil helps to cool down the refrigerant in its gas form, especially when it has been pressured. As this gas leaves the compressor, it is turned into liquid by the coil. Therefore, the condenser coil is an integral part of the air conditioner because it removes heat from the gas and transfers it to the evaporator coil in the indoor unit. ...

How does refrigerant work?

The refrigerant is the coolant, which absorbs heat from the air and moves it outside. The refrigeration starts when air flows over the evaporator coils. These coils contain cool a refrigerant, which absorbs heat from the indoor air. The liquid refrigerant is then transformed into gas, which is then compressed by the compressor to increase its temperature and pressure.

How does a condenser coil work?

The warm refrigerant is then condensed in the condenser coil. The fan blows outdoor air over the condensed refrigerant to remove heat from it. Once the refrigerant has lost heat, it is condensed back into a liquid and is pumped back into the compre ssor to repeat the same cycle.

What is the purpose of an air conditioner fan?

Image source: Pinterest. The main purpose of a fan in an air conditioner is to discharge heat from the house when it passes the condenser coil. It is important to note that there are two main fans in an air conditioner. The outdoor fan pulls heat and hot air out of the house while the indoor fan sends cool air from the return vents through ...

How does a refrigerant coil work?

As the refrigerant together with the outside air passes through the loop, the atmosphere absorbs heat from the refrigerant causing condensation of the refrigerant from gaseous to liquid state. The high pressure and high-temperature liquid go to the next level in the expansion valve.

How does a refrigerant flow through a loop?

As it passes through the loop, the heat is absorbed from the atmosphere. As the refrigerant absorbs heat, it evaporates to become gas. The cooled air is the then supplied to space through ducting.

What is an air conditioning system?

An air conditioning system is an electrical device that is purposely installed for the removal of heat and moisture from the interior of an occupied space. It is a process that is commonly used to achieve a more comfortable environment, basically for human and other animals.

What are the different types of air conditioners?

Classification based on the season in the year: 1 A summer air conditioner which controls all four atmospheric condition for summer comfort. 2 Winter air conditioner is designed for comfort in the winter. 3 A year-round air conditioner which consists of heating and cooling tools with an automatic control that could serve in any weather condition in the year.

How does a thermostat work?

The thermostat maintains the temperature of an air conditioning system as it regulates the heat energy inside and outside of it. depending on the design, a thermostat can set manually or automatically.

Why is air conditioning important?

To keep our environment to our desired temperature, the air conditioning system is the device that helps us achieve that. The system is so common that one can experience its effect anywhere we enter. It can be installed in our house, office, cars, even a modern religious centre now have it. in short, it can be used in both domestic and commercial environments

Why do we classify air conditioning?

We classify the air conditioning system in order to distinguish one type from another. This provides a background for selecting the optimum air conditioning system depending on the building requirements. An air conditioner can be classified into three categories which include:

How does air conditioning affect the room?

Air conditioning system affects the room air to comfort people and their productivity is not impeded. The condition of the air is characterized by temperature, pressure and humidity. The air pressure is not changed. Air conditioning system can be for heating, dehumidifying, cooling, and humidifying.

What is the function of a compressor?

The compressor is the engine of the system as it works with a fluid that easily transforms the gas into a liquid. Its primary function is to convert low-pressure gas into a high-pressure gas, which has a high temperature. in its working, the gap regions between molecules get narrowed down with a produced energized gas. This energized gas which also known as a refrigerant is released from the compressor and enters the condenser.

What should be in conduit for a condensing unit?

The wiring to the condensing unit should be in conduit and in a good state of repair. Control wires, which are low voltage, should be secured to the refrigerant lines to prevent damage. The refrigerant piping to the unit should be in good condition with insulation intact and performing as intended on the refrigerant return line.

Why should the condensing unit access panel be opened?

The condensing unit access panel should be opened so that the electrical components can be viewed and the capacitors and relays can be viewed for evaluation. If there are leaking capacitors, they should be reported as in need of replacement.

Where is the evaporator coil located?

Evaporator Coil in Horizontal Air Handler . An evaporator coil is located at the end of the air handling equipment or in some cases, such as with a typical electrically heated air handler, is integral to the air handler. Air is passed over the face of the coil by the air handler to cool the air and control humidity.

What happens if a condensing unit is burned?

If the main contractor is burned, buzzing loudly or has other signs of deterioration, it should be reported as in need of repair. In general, the wiring in the electrical compartment of the condensing unit should be in good physical condition with no damaged or burned areas that could result in failure at any time.

Why do we take temperature measurements at the inlet and outlet of a coil?

Taking temperature measurements at the inlet and outlet of the coil is typically recommended and is performing by many inspection contractors because it can provide information on how the coil is performing and insight into whether there is a need for further investigation in an inaccessible coil face.

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