The diagrams below are to show what I am working toward in the next couple months. I am going to be working toward finishing the refrigeration system. The refrigeration system will be integrated into a 3D printed housing that will be mounted on the backpack. I hope to also have the battery power system prototyped and running the compressor. Lastly, I hope to have some form of liquid cooling system up and running with the servo vales running.

Above shows the overall prototype system.

Above shows the battery power system. It consists of the battery balancer, charger, and boost converter.

Above is the mini refrigeration system with the mini Aspen compressor.

Above is the liquid cooling system diagram with the servo valves that control where and when each cooling circuit in the shirt gets coolant circulated through them.

This is a very preliminary parts list. I will be updating this list in the coming months as I get the build going.

Compressor Restrictions as stated from Aspen Compressor:

The compressor shall not be directly used for Electronics Cooling applications where the end user is a military, law enforcement or civil defense (local, regional or national) entity or personnel anywhere in the world.