Dryer or accumulator
The dryer (high) between the condenser and expansion valve in the air-conditioning, the cleaning and filtering of the refrigerant. To ensure that the dryer is always this feature can take on, the dryer at intervals of 2.Jahren be renewed.
The accumulator (low pressure) between the throttle valve and the compressor has not evaporated, so the field of liquid refrigerant to the compressor to be protected, because the compressor of the air conditioning only gaseous refrigerant can condense.

In the case of repair of air conditioning, so when opening the lines of the air conditioner, the dryer or accumulator also be changed.

All manufacturersDELPHIHellaNRFValeoWAECO