Engine : Refrigeration AC - 663/610
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| What is the purpose of the low-pressure cut-out switch as used as a primary controller for a refrigeration system or unit? |
| A) maintain a preset suction pressure to the compressor |
| B) maintain a preset low-side pressure for the system |
| C) start and stop the compressor as needed |
| D) control the capacity of the compressor |
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