Question 23Refrigeration & AC - QMED
70% to passWhen removing the primary refrigerant from a system using water as a secondary refrigerant, it is important to follow which procedure(s) to safeguard the equipment?
AInsure that the water is drained or continually circulating to avoid freeze-up.
BInsure that the water and refrigerant separator is functioning properly.
CInsure that the water doesn't become contaminated with oil in the direct contact heat exchanger.
DLeave some refrigerant in the system to prevent the water from contaminating the refrigerant if there is a leak.
AI Explanation
The correct answer is A) Insure that the water is drained or continually circulating to avoid freeze-up. When using water as a secondary refrigerant, it is important to ensure that the water is either drained or continually circulating to prevent the water from freezing within the system. If the water freezes, it can cause damage to the equipment. The other answer choices are not as directly relevant to safeguarding the equipment in this particular scenario.
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