Originally Posted by astovall7
what are the first step to the last step in order form in charging an low charge ac unit for your home properly i just finish hvac school and i didnt learn what i needed from the school because of poor instructor and school thank u
Step 1. Determine if the system is actually low on charge by taking sub cooling and super heat readings.
Step 2. look for leak.
Step 3. Repair leak.
Step 4. Change liquid line filter drier, and vacuuming system.
Step 5. Add proper refrigerant until sub cooling and super heat are at there proper readings.