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Question:
When charging a chiller, refrigerant vapor is introduced into the system before charging with liquid refrigerant. This is because ______.
A
liquid charged into a deep vacuum will cause the refrigerant to boil and may lower temperatures enough to freeze the water in the tubes.
explanation
When charging a chiller, refrigerant vapor is introduced into the system before charging with liquid refrigerant. This is because liquid charged into a deep vacuum will cause the refrigerant to boil and may lower temperatures to freeze the water in the tubes.
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