Engine: Refrigeration AC

1. A Charge until you hear the compressor loading up, check refrigerator temperatures.
2. B Check nameplate for compressor's full load amperage and charge until that amperage is reached.
3. C Charge partially and observe refrigerator's temperatures. Add more if necessary.
4. D Overcharge and observe refrigerator's temperatures, evacuate excess refrigerant until thermostat control is achieved.

Tip: press A-D to answer