This plan of instruction, study guides, and workbooks for a secondary-postsecondary-level course in refrigeration and air conditioning are one of a number of military-developed curriculum packages selected for adaptation to vocational instruction and curriculum development in a civilian setting. It is the second section of a three-part course (see Note for other sections) intended to train students in identification, location, function, installation, operational checking, servicing, repair, and maintenance or refrigeration and air conditioning systems. Dealing specifically with basic refrigeration, refrigeration controls and accessories, and domestic and commercial refrigeration, this section contains three blocks covering 230 hours of instruction: Basic Refrigeration (4 lessons), Refrigeration Controls and Accessories (3 lessons), and Domestic and Commercial Refrigeration (2 lessons). The plan of instruction contains ar outline of the teaching steps, criterion objectives, lesson duration, correlation of tasks with a training standard, and support materials and guidance. Student materials include four study guides with text information, objectives, review exercises, and references and four workbooks with performance exercises. Commercial texts, military technical manuals, and audiovisual aids are suggested, but not provided. Materials may be adapted for individualized instruction or presented in a group setting. (YLB)