(Often included in the manual’s reference tables)
The EPA 608 test contains 25 multiple-choice questions per section (100 questions total for the Universal exam). You must score at least 70% on a given section to pass it. Use these targeted preparation strategies:
The manual is divided into several sections, each covering a specific topic related to EPA Section 608 certification. The sections include: Epa Section 608 Preparatory Manual 9th Edition V2 Pdf
Because these systems operate under a vacuum, non-condensables (air) leak in. Purge units take suction from the top of the condenser to separate and vent air while returning refrigerant to the system.
Before diving into the manual, let’s clarify the exam itself. Under Section 608 of the Clean Air Act, the EPA prohibits individuals from knowingly venting refrigerants during the service, maintenance, repair, or disposal of air-conditioning and refrigeration equipment. (Often included in the manual’s reference tables) The
Covers the servicing of small appliances containing 5 pounds or less of refrigerant (e.g., household refrigerators, water coolers).
Focused on chillers and other low-pressure systems (typically using R-11 or R-123), this section covers: The sections include: Because these systems operate under
The EPA Section 608 exam is divided into four distinct certification types based on the equipment a technician intends to service:
: Published by the ESCO Institute , it is widely recognized as the authoritative resource for the Section 608 exam.