Air Conditioning Service and Trouble shooting

Air Conditioning season is near.
Here are some troubleshooting resources to read and brush up on.

Feel free to print these and keep them with you.

Air Conditioning Pre-Season Check Out

Determine Superheat and Sub Cooling

Head pressure and Suction pressure trouble shooting chart.

Refrigerant Pressure Drops.

Troubleshooting Expansion Valves

Troubleshooting Capillaries