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Question:

After reaching the required recovery vacuum on a chiller, you should _______.

A wait for at least a few minutes to see if the system pressure rises, indicating there is still refrigerant in liquid form or in the oil.
explanation

After reaching the required recovery vacuum on a chiller, you should wait for at least a few minutes to see if the system pressure rises, indicating there is still refrigerant in liquid form or in the oil.

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