To enhance the operational convenience of the equipment and minimize the hassle during use, KRY series automotive chiller is equipped with a built-in self-priming pump. All you need to do is place the refrigerant beside the equipment, connect the pipe to the filling port, and turn on the self-priming pump to complete the filling process. You can also manually add refrigerant through the liquid filling port. For the recovery of refrigerant, this equipment is specially designed with the connection of external pipelines. The refrigerant can be self-suctioned and recovered by the built-in self-priming pump or recovered by an external air source.