Engine: Refrigeration AC

1. A This phenomenon is inherent only in hermetically sealed units and is always provisional.
2. B This will occur only if crankcase heaters are used.
3. C 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.
4. D If the oil level is not initially high, this condition is the result of agitation created by the movement of the mechanical components.

Tip: press A-D to answer