How does a two-step scroll compressor achieve capacity reduction?
A) An internal rotating plate opens and closes two drilled ports in the scroll.
B) Only one scroll is used during low-capacity operation, while both are used for full-capacity operation.
C) The orbiting scroll only completes half-orbits in low-capacity operation.
D) The orbiting scroll turns clockwise for reduced capacity and counterclockwise for full capacity.
A
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