Nowadays A/C systems are not considered to be a luxury item in your car anymore and they are known as a necessity, which guarantees a safer driving. No need to mention that with A/C, you, as the driver are much more relaxed and comfortable, because you won’t get nervous by the noise and dust and apparently you will be more observant of the traffic regulations and speed limits. The air conditioner is practically, a refrigeration system applied to the vehicle compartment. It makes us more comfortable in hot weather with removing the heat from the air and dehumidifying (removing moisture) the air inside your car and eventually will result in clearer vision for the driver.

.

Here you can get familiar with the main components of A/C system:

Compressor The compressor is the propelling element for the refrigerant in the A/C system. A compressor circulates the refrigerant in the system and it acts as the heart of A/C. It also raises the pressure and then the temperature of the gaseous refrigerant, coming from the evaporator at low pressure and temperature. The compressor moves the refrigerant from evaporator, through the condenser via a receiver and expansion valve, right back to the evaporator. Compressors used in the automotive A/C systems must be compact in dimension and lightweight in order to permit easy installation when the available space is limited and so as to overload the relative vehicle's suspensions.

Condenser The condenser is the heat exchanger which is used to subtract the heat absorbed in the evaporator, from the refrigerant circulating inside the A/C system.

Receiver The receiver dryer acts as a sort of reservoir for the refrigerant, and dehumidifier (drier) of the refrigerant. Normally, it has got a safety pressure switch and a sight glass mounted on the top. This sight glass allows us to check for adequate gas in the system.

Expansion Valve The expansion valve determines the correct amount of refrigerant going into the evaporator from the condenser through the filter, and it lowers the pressure of the refrigerant drastically. When the compressor starts, the expansion valve opens and the liquid refrigerant flows through a strainer in the high-pressure liquid inlet once in the expansion valve, the refrigerant is properly pressurized. As the evaporator calls for more refrigerants, the expansion valve allows the required amount of low-pressure liquid refrigerant into the coils. The expansion valve maintains the delicate balance between the heat load and the cooling efficiency of the evaporator.

Evaporator The only other main part of the system is the evaporator unit. It is the A/C system component that has the function of removing heat from air injected into the cabin. Another very important function performed by the evaporator is that of dehumidifying the conditioned air. The evaporator is in front of a fan. The fan pulls out the hot, humid air of the car's cabin. The refrigerant makes the hot air's moisture condense into drops of water, removing the heat from the air. Once water is removed, the "cool" air is sent back inside the car. The system has two built in switches, one that stops the compressor if the pressure is too low, and one that prevents ice from forming on the cold evaporator, as both of these faults can damage the system.

Head Office: Tolidi Santi Cooler Iran 32 Golestanak 48 St.,Karaj Special Rd. Tehran 1386175491 Iran Phone: + 98 (21) 44191600 Fax: + 98 (21) 44191700 Email: info@cooleriran.com