In very large buildings, like hotels and hospitals, the exterior condensing unit is often mounted somewhere on the roof. It's in a separate all-weather housing outdoors. Bigger air conditioners work a little differently: Central air conditioners share a control thermostat with a home's heating system, and the compressor and condenser, the hot side of the unit, isn't even in the house. The hot air vents from the back of the unit, while the condenser coils and a fan cool and re-circulate indoor air. The compressor has two ports, a suction inlet and a. Without it, your vehicle's AC system won’t work and you may experience a lack of cold air coming through your vents. Window air conditioners have all these components mounted into a relatively small metal box that installs into a window opening. What is an AC Compressor and what does it do The AC compressor is responsible for pumping refrigerant throughout your system and starting the process of cooling your car. There are some additional sensors, timers and valves, but the evaporator, compressor, condenser and expansion valve are the main components of an air conditioner.Īlthough this is a conventional setup for an air conditioner, there are a couple of variations you should know about. The compressor is actually a large electric pump that pressurizes the refrigerant gas as part of the process of turning it back into a liquid. Once in the evaporator, the refrigerant experiences a pressure drop, expands and changes back into a gas. It regulates the amount of compressed liquid refrigerant moving into the evaporator. In between the two sets of coils, there's an expansion valve. The hot side contains the compressor, condenser and another fan to vent hot air coming off the compressed refrigerant to the outdoors. The cold side of an air conditioner contains the evaporator and a fan that blows air over the chilled coils and into the room. Compressor - A pump that pressurizes refrigerant.Expansion valve - regulates refrigerant flow into the evaporator.Evaporator - Receives the liquid refrigerant.
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