HVAC - EPA Certification Practice Exam 2025 - Free EPA Certification Practice Questions and Study Guide

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Which best describes "self-contained" recovery?

Recovery that does not require electrical power

Recovers refrigerant without help from the appliance

Uses external tools to assist with recovery

Has its own means to draw refrigerant out of the appliance

Self-contained recovery refers to systems designed to recover refrigerant without requiring assistance from the appliance being serviced. This type of recovery system includes its own means to draw refrigerant out. Typically, self-contained recovery units have built-in pumps or compressors that create the necessary negative pressure to pull the refrigerant from the appliance into the recovery vessel.

This differs from options involving external tools or appliances, which may need assistance to function properly. Thus, a self-contained recovery system is specifically engineered to be an autonomous unit, providing a simplified and efficient method for refrigerant recovery during HVAC maintenance or repairs.

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