An insight into functioning of Air Conditioners
|
|
Summary: Have you ever thought how does an air conditioner work? When the system responds to the thermostat for lowering the room temperature, a chain of functions starts.
The air-management unit comes into action and sucks the room air from various portions of the household via return-air ducts
The filter sucks in the lint and dust particles present in the room air. Some more efficient filters may even suck in the microscopic pollutants. From these filters, the air then routes to air supply ducts which carry it back to the rooms. This cycle is repeated continuously till the air conditioning system runs.
You may even be wondering how the evaporator coil gets cold. This is where refrigeration comes in. The air conditioners have three major components: a condenser, an evaporator and a compressor. In a ‘split system’, the compressor and the condenser are situated in a unit outside, and the evaporator is located in the air management unit (normally a forced air furnace). In the ‘package system’, all the parts are located in one unit outside which may be placed anyplace on the roof or on the ground
Between these parts, there runs a copper tube through which the refrigerant is circulated. The refrigerant takes in and emits heat and keeps on changing from liquid to gas and then gas to liquid, based on the rise and fall in the temperatures.
When the refrigerant is circulated within the indoor coils, it becomes relatively cold.
As the air manager throws the hot air through this coil, the cold refrigerant takes in a lot of warmth from the air that it converts into vapor
In this form, it reaches the compressor which pushes it and makes it move within the outside coil that ejects the heat.
This heat is dissipated with the help of a fan and the refrigerant is then passed through an expansion device that changes it to a low pressured, low-temperature liquid which then reverts to the inside coil.
|