Working Of An Air Conditioner

Working of an Air Conditioning Unit.

Cooling

The principle behind air conditioning is simple. Two coils (one inside your home, the other outside) are connected by pipes filled with refrigerant. This fluid has the property of easily absorbing and rejecting heat, and is pumped through this circuit of pipes by a compressor. Two fans pass air over these coils.

During the cooling cycle, warmed refrigerant circulates through the outside coil where it releases heat and cools down. It moves back inside, and is circulated through the indoor coil.

The hot air inside your home is blown over this cold coil (and filtered and dehumidified at the same time) where it cools down and, in turn, cools your home. During this process the refrigerant warms up and moves back outside to repeat the cycle. (Your domestic fridge is a good example of this process.)

Heating

When heating your home, warmth is generated by 'reversing' the operation of the air conditioner. Instead of expelling the hot air and circulating cool air it does the reverse - hence the term 'reverse cycle' air conditioning.

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