A technician using self-contained (active) recovery equipment on a high-pressure system should connect and operate it so that:
Explanation
Self-contained recovery equipment must be set up so recovered refrigerant is captured in an approved recovery cylinder and the appliance is evacuated to the level required for that equipment type. Venting through the machine, running with no cylinder attached, or blowing out oil and refrigerant would all release refrigerant illegally. Following the recovery machine's procedure ensures both compliance and safety.
Law Reference: 40 CFR §82.156This topic, taught in full in the EPA Section 608 Certification guide. EPA 608 Universal Study Guide (2026) — Core + Type I/II/III, with the 2027 A2L update — PDF + EPUB, $14.99 · 14-day refund →
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