Engine: Refrigeration AC

1. A Vegetable refrigeration box is holding the correct temperature but the vegetables are dehydrated and frost is observed on the vegetable box evaporator coil back to the back pressure regulator.
2. B High discharge pressure on the compressor.
3. C Vegetable box does not pull down to correct temperature and the compressor suction pressure is low.
4. D The vegetable box is at the correct temperature and the compressor experiences short-cycling.

Tip: press A-D to answer