EPA 608 Certification Study Guide - HVAC Training Solutions

EPA 608 Certification Study Guide 1|Page Foreword All HVACR technicians must become certified for the equipment they work on, under the Environmental Protection Agency's (EPA), refrigerant recovery and recycling program. In order to become certified you must pass a test or series of tests, consisting of multiple choice questions. The certifications and sections to the test are: Core Section. Information that applies to all Certification types. Certification Class I. Small appliances under 5 pounds of refrigerant . Certification Class II. High Pressure. HVACR units over 5 pounds. Certification Class III. Low Pressure units including Centrifugal chillers. Certification Universal. All three, Type I, Type II, and Type III. Most residential and small commercial HVACR technicians need to be Class II Certified Everyone must pass the core test (25 questions) and one to 3 of the other sections. If you take and pass all four sections you become universal certified. A 70% passing rate is required.

System dependant recovery (passive recovery) requires the assistance of components (such as the appliance or unit’s compressor) contained in the appliance (unit) to remove the refrigerant from the appliance (unit). Self contained recovery (active recovery) equipment has its own compressor/pump.

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  Refrigerant, Recovery

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