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An AC system is a refrigeration system just like your refrigerator, it operates by changing the physical state of a refrigerant via evaporation to remove heat and condensing to reject the heat removed out doors.
Upon a call for cooling from the thermostat, a 24 volt signal is sent to the AC unit outside where it energizes a electromagnetic relay called a contactor, it pulls the normally open switch closed just as an electromagnet picks up scrap metal in a scrap yard, The electrical current creates a powerful magnetic field that sucks the normally open switch closed, this sends 230 volts to the compressor which begins to run.
A cool ,low pressure vapor is pulled into the compressor from the evaporator coil, it will be approximately 70 psi and 40F degrees, if using R 22 refrigerant.
As it may be 100F or more outdoors, the compressor must bump up the cool low pressure vapor up to a hot high pressure vapor, it will pump it up to about 30F degrees above the outdoor ambient temperature, this is so that regardless of how hot it may get out side, the refrigerant is hotter, thus able to reject heat to the relatively cooler out door air, thus condensing the vapor refrigerant into a liquid refrigerant that is still hot but a high pressure liquid.
The hot high pressure liquid is sub cooled to about 15F degrees below the condensing temperature
That will be about 125 F @ 270 psi, again if using R 22 refrigerant.
The hot high pressure liquid refrigerant is then sent to the metering device, this is what delineates the hot high pressure side from the cold low pressure side.
Imagine you have a mouth full of water and a straw in your mouth, if you blew hard the water will spray out the end of the straw and upon exiting the straw the liquid refrigerant "boils" changes state liquid to vapor just as boiling a pot of water boils or changes state if raised above 220F at sea level 14.7 psi atmospheric pressure.
The clod low pressure vapor exits the evaporator coil and is sucked into the compressor for the next trip around and around evaporating and condensing the refrigerant to remove heat and to then reject heat.
What else can I help you with?
How do air conditioning filters work?
Air conditioning filters work by trapping dust, dirt, pollen, and other particles as air flows through them. This helps clean the air, improving indoor air quality and preventing the buildup of debris in the HVAC system. Regularly replacing or cleaning air filters is important to ensure proper airflow and efficient operation of the air conditioning system.
What are the Difference between Air conditioning and Refrigerator?
Air conditioning units are designed to cool enclosed spaces, typically using a fan to move hot air out and cool air in. Refrigerators, on the other hand, are appliances designed to cool and preserve perishable items for consumption, utilizing a closed system that circulates refrigerant to maintain a low temperature. Both use the same principles of heat transfer, but are optimized for different purposes.
What energy transformation is use for air-conditioning?
Air conditioning involves the transformation of electrical energy into thermal energy. The electrical energy is used to power the air conditioning unit, which then removes heat from the indoor air, cooling it down.
What year did WH Carrier invent air conditioning?
Willis Haviland Carrier invented air conditioning in 1902.
What is an advantage of forced air heating?
Forced air heating provides quick and even distribution of heat throughout a space, leading to faster warming of the environment. It also allows for the integration of air filtration systems to improve indoor air quality. Additionally, forced air systems can be easily combined with central air conditioning systems for year-round climate control.
What kind of certification is necessary to work as a heating and air conditioning technician?
Most states require an HVAC certification for performing work on heating and air conditioning systems. While not all employees of a heating and air conditioning company need to be certified, at least one employee on the job should be.
Can I get both heating and air conditioning systems at Home Depot?
Not only does Home Depot carry both heating and air conditioning units, they also offer experienced installation to make things easier for you. They offer high-quality heating, air conditioning, and heating-air conditioning units in their heating department.
Could you install Air conditioning in a hot water heating system?
No, there is no blower or duct work. You can't chill the water in the heating system and get cold air out of it.
What are HVAC technicians?
HVAC technicians are Heating Ventilation, and Air Conditioning Technicians, we work on air conditioners and refrigeration stuff
Do heating and air conditioning contractors work 24 hours a day for repairs?
There are many heating and air conditioning services that offer around the clock services at very reasonable prices, however it will depend on what city and state you are located in.
Which institutions provide the best training in heating and air conditioning?
Top Schools for Heating, Air Conditioning, Ventilation, and Refrigeration Maintenance Education and training programs are offered to HVAC-R maintenance technicians across the nation. Many colleges and universities prepare students for technical work with heating and cooling ventilation machinery. Top Schools with Heating, Air Conditioning, Ventilation and Refrigeration Maintenance Degrees
What annual upkeep should a homeowner perform for their heating and air conditioning systems?
For air conditioning, change the filter and ensure there are no water leaks. For heating, check your pilot light (for gas heating). Also, as with air conditioning, you need to change the filter yearly.
What is the best heating and air conditioning service in Alanta?
There are many heating and air conditioning services in the Atlanta, GA area. Some of the honorable mentions include Shumate Air Conditioning & Heating, Estes Heating & Air Conditioning, and Master Tech Heat & AC, among many others. All of these places have excellent customer reviews and are located within the Atlanta area.
Were can i find a good heating and air conditioning school?
If you are trying to find more information on available heating and air conditioning schools, visit http://www.directoryofschools.com/Heating-Ventilation-Air-Conditioning-and-Refrigeration-School.htm for a list of qualified schools. Many of these options are affordable.
Which is more efficient in heating and air conditioning, gas or water?
You can only get gas heating and air conditioning. The gas heating and air conditioning is less because it uses less gas then how much water you would be using. The electricity for the heater and AC can be fairly cheep.
Where can I get air conditioning service?
There are many options in Portland for air conditioning repair. You can go to AAA Heating & Cooling, Inc or to Mac's Radiator & Air Conditioning.
Some good air conditioning services for the summer?
Kalex Energy Co., 2 Brothers Heating & AC and Tri-County Heating and Air Conditioning are great companies for installing air conditioning. They are reliable and conveniently local.
