What does a heater in a recovery vessel accelerate during refrigerant recovery?

The focus of the question is on what a heater in a recovery vessel does during the refrigerant recovery process. When a heater is used in a recovery vessel, it serves to increase the temperature of the refrigerant mixture. This rise in temperature has a significant impact on the movement of refrigerant gases.

In this context, a heater enhances the transfer of refrigerant in its vapor phase from the chiller to the recovery vessel. As the temperature increases, the pressure of the refrigerant also rises, which helps to drive the vapor more efficiently into the recovery vessel. This process is crucial because it helps to ensure that the majority of the refrigerant is recovered in a gaseous state, minimizing the chances of liquid refrigerant being transported.

This method contrasts with other processes in recovery, such as merely removing liquid refrigerant or condensing gases, which do not directly involve the heating aspect and its effect on vapor flow.