Air conditioner (Opel Omega B2)

The air conditioning system consists of a compressor, radiator, throttle valve, evaporator, refrigerant tank and pressure pipes (see illustration 14.0).



The air conditioning compressor is driven by a V-belt from the engine crankshaft. The compressor pressurizes the refrigerant circuit to a maximum of 30 bar, which causes the refrigerant to heat up and turn into a gas. The radiator takes heat from the hot air passing by (the cold air remains outside), which causes the heated refrigerant to cool and return to a liquid state (condenses). Flowing further along the circulation circuit under the influence of pressure, the refrigerant passes through a throttle valve, which reduces the pressure. After passing through the throttle, the refrigerant enters the evaporator and is re-cooled there. The cold refrigerant takes heat from the hot air washing the evaporator, thereby cooling it. This cooled air is supplied to the cabin.



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From the heat received, the refrigerant again becomes gaseous and under the influence of low pressure is supplied to the compressor and the circulation of the refrigerant is repeated.

Attention! The procedure for repairing the air conditioner is not provided in this manual. Air conditioner repairs must be performed by a specialized workshop. It should be noted that the refrigerant circulation circuit in the air conditioner must not be opened. If the refrigerant gets on your skin, it may cause frostbite.