Air Conditioning System Basics hvacr how does it work

How do air conditioning units work? Air conditioning system basics. We learn basic refrigeration cycle, compressor, condenser, evaporator and different types of expansion valves.
Correction:
06:08 The bulb refrigerant expands to OPEN the valve, not close the valve. Letting more refrigerant in.
06:10 CLOSE the valve, not open the valve