GCAP Operator 1 Practice Exam

Question: 1 / 400

Where should non-condensables be purged from?

From the condenser drain

From oil pots

From the highest point of the condenser, with the compressor off, or the condenser isolated

Purging non-condensables from the highest point of the condenser, with the compressor off or the condenser isolated, is the correct practice because it ensures that any gas that is not able to condense at the operating temperatures is properly removed from the system. Non-condensables, such as air and other gases, can accumulate in the condenser and negatively impact the efficiency of the cooling process. By isolating the condenser and ensuring the compressor is off, the risk of drawing in additional contaminants or vapor is minimized while allowing for a complete removal of these gases. This procedure is critical for maintaining optimal system performance and preventing issues such as increased pressure or reduced heat transfer efficiency.

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