ATSM 2420 — ATSM-2420 Refrigeration II

Covers the components of refrigeration systems, applications to air conditioning, and the use of specialty tools including vacuum pumps and gages. Installation methods, maintenance, and troubleshooting are also covered.

Part of

• Associate of Applied Science in Sheet Metal Working Technology (Apprenticeship)
• Sheet Metal Service, Certificate of Proficiency
• Sheet Metal Working, Certificate of Proficiency

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