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    Refrigeration and Air Conditioning Technology
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    Exam 49: Operation, Maintenance, and Troubleshooting of Chilled-Water Air Conditioning Systems
  5. Question
    The Scroll-Chiller Compressor Needs Crankcase Heat and It Must Be
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The Scroll-Chiller Compressor Needs Crankcase Heat and It Must Be

Question 9

Question 9

Short Answer

The scroll-chiller compressor needs crankcase heat and it must be energized for the length of time the manufacturer requires, usually____________________ hours.

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