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The outdoor AC is usually a unit consisting of 2 essential components, which is namely an AC condenser  and an air-conditioning compressor . The motor of the AC compressor is a pump which sucks the low pressure gas refrigerant and compresses the gas into high pressure gas and high temperature. The piston typically moves up and down inside a cylinder inside an AC compressor motor, sucks refrigerant gas or AC freon as the piston falls and compresses the refrigerant gas as the piston moves up. For more information , please visit our website www.serviceairconsingapore.com .

The refrigerant gas of AC at high pressure and temperature then leaves the compressor AC (gas compression will cause the temperature rise) and into the AC condenser where the gas is cooled into liquid form. In addition to containing heat from the gas compression process by the motor compressor, the heat also comes from the absorption by the refrigerant in the evaporator (heat derived air inside the building / room). The heat formed from this process is exhaled by the fan through the AC condenser coil. The liquid refrigerant then goes back to the indoor unit.

In principle, the refrigeration system relies on two kinds of changes in the form of refrigerant, ie the change from the form of gas to liquid and vice versa, the change of the liquid form to the gas. It is this change of refrigerant shape that removes heat from the room outside by absorbing heat during the evaporation process (inside the coil evaporator) and releasing heat during the condensation process (inside the AC condenser). The presence of pressure will increase the point of evaporation of refrigerant (change of liquid form to gas) or refrigerant condensation point (change of form from gas to liquid). In the air conditioner system, the condensation point is the temperature above the ambient temperature (if used to cool the condenser coil is air), otherwise the condensation of the refrigerant gas into the liquid form will not occur.