Engine: Refrigeration AC

1. A This phenomenon is inherent only in hermetically sealed units and is always provisional.
2. B This condition is the result of the sudden low-pressure created in the crankcase at start up causing the release of refrigerant absorbed within the oil.
3. C If the oil level is not initially high, this condition is the result of agitation created by the movement of the mechanical components.
4. D This will occur only if crankcase heaters are used.

Tip: press A-D to answer