ENVIRONMENTAL CONTROL SYSTEM UTILIZING TWO PASS SECONDARY HEAT EXCHANGER AND CABIN PRESSURE ASSIST

A system is provided. The system includes an inlet providing a first medium; a compressing device comprising a compressor, and at least one heat exchanger located downstream of the compressor. The compressing device is in communication with the inlet providing the first medium. The at least one heat exchanger includes a first pass and a second pass. An outlet of the first pass of the at least one heat exchanger is in fluid communication with an inlet of the compressor.