Method of withdrawing refrigerants with a low boiling point from refrigeration or air conditioning units

摘要: The low-boiling refrigerants sometimes have to be removed from refrigeration and air conditioning systems, for example carry out repair work. For this purpose, the refrigerant is drained under pressure into collecting container. A small amount of remains in system, which by relieving flushing line. This means that lost environment also polluted. In order able collect without loss, receptacle (1) cooled such an extent a cryogenic coolant condenses with formation negative pressure.