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Air Conditioning and Refrigeration Technology

This Schoolcraft series covers the basic principles of refrigeration and air conditioning. It emphasizes the function and design of each of the major system components. Service, adjustment, and troubleshooting procedures are outlined, as well as the use of special testing equipment and tools. There is also a thorough explanation of air-conditioning controls, types of refrigerant, refrigerant handling, and piping system configurations.

No.	Courses	Request Free Exam Copy
[You may request as many as five exam copies]
431	The Refrigeration Cycle This course introduces the basic concepts needed for an understanding of refrigeration. It traces the basic refrigeration cycle and explains the concepts of heat, temperature, humidity, dewpoint, enthalpy, and simple... <Read More>
432	Refrigerants and Refrigerant Oils This course covers the physical properties of refrigerants, including pressure-temperature relationships. It discusses various kinds of refrigerants and their safe handling. It examines the effects of refrigerants on the atmosphere... <Read More>
433	Compressors This course explains the function of the compressor in a refrigeration system and introduces information on the construction and use of reciprocating, rotary, helical, scroll, and centrifugal compressors. It covers... <Read More>
434	Evaporators and Metering Devices This course explains the function and construction of evaporators. It covers direct-expansion, dry-expansion, and flooded evaporators, as well as systems using multiple evaporators and ways to boost evaporator performance. It... <Read More>
435	Condensers and Cooling Towers This course covers the function, construction, and operation of both air- and water-cooled condensers and related devices. It discusses cooling towers and spray ponds, including maintenance and troubleshooting. The course... <Read More>
436	Piping This course examines piping system materials and sizing, and includes coverage of codes, valves and fittings, and the cutting and joining of piping and tubing. It explains the function and... <Read More>
437	Control Systems This course introduces the need for control and control methods, including information on self-powered, pneumatic, hydraulic, electric, and electronic systems. It covers various sensors and controlled devices, the basics of... <Read More>
438	Air-Handling Systems This course begins with coverage of airflow basics, including how air moves, types of airflow, and pressure relationships. It compares and contrasts various types of fans and fan motors, examines... <Read More>
439	System Troubleshooting This course discusses the keys to effective troubleshooting and emphasizes the importance of safety. It details a step-by-step procedure to use when troubleshooting, covering the use of a troubleshooting flowchart.... <Read More>
440	Absorption Chillers This course covers the basic principles of absorption refrigeration as compared to mechanical refrigeration. It introduces absorption terminology and common absorption fluid pairs. It examines water/lithium bromide systems, ammonia/water systems,... <Read More>
441	Heat Pumps This course introduces the heat pump concept and related terminology. It covers water-to-water, water-to-air, ground-to-air, air-to-air, solar assisted, geothermal, dual-fuel, and split systems, as well as packaged units. The course... <Read More>
442	Heating System Basics Covers fundamental information on all types of heating systems. Begins with the concept of heat energy, heat transfer, and temperature scales. Examines factors affecting human comfort. Introduces all types of... <Read More>
443	Heating System Equipment Covers the hardware associated with heating systems, including gas and oil furnaces, electric systems, solid-fuel and hydroponic systems, and finally some alternative systems-solar heating, heat pumps, and fuel cells. Includes... <Read More>