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Air Conditioning and Refrigeration Systems

TPC’s Air Conditioning and Refrigeration training series covers the basic principles of industrial refrigeration and air conditioning. Throughout the series’ 10 courses, an emphasis on the function and design of each of the major system’s components used in today’s facilities. Service, adjustment, and troubleshooting procedures are outlined, as well as the use of special air conditioning and refrigeration testing equipment and tools. This series also offers a thorough explanation of air conditioning controls, types of refrigerant, refrigerant handling, and piping system configurations.

Unit 431: Introduction To The Refrigeration Cycle For Technicians ($100)

Introduces the basic concepts needed for an understanding of refrigeration. Traces the basic refrigeration cycle. Explains the concepts of heat, temperature, humidity, dewpoint, enthalpy, and simple psychrometrics. Concludes with a lesson on the tools and instruments needed for refrigeration servicing and safe work practices.

Lesson 1 – Refrigeration and Air Conditioning Basics

Lesson 2 – Heat, Pressure, and Change of State

Lesson 3 – The Basic Refrigeration Cycle

Lesson 4 – Air Properties and Simple Psychrometrics

Lesson 5 – Tools, Test Instruments, and Safe Work Practices

Unit 432: Refrigerants / Refrigerant Oils ($100)

Covers the physical properties of refrigerants, including pressure-temperature relationships. Discusses various kinds of refrigerant and their safe handling. Examines the effects of refrigerants on the atmosphere and related EPA requirements. Discusses filters, driers, leak detection equipment, gauge manifold set. Explains system charging, evacuation and dehydration, refrigerant recovery/recycling, and oil maintenance and servicing.

Lesson 1 – Physical Properties of Refrigerants

Lesson 2 – Refrigerant Classification and Applications

Lesson 3 – Refrigerants and the Atmosphere

Lesson 4 – Refrigerants and the EPA

Lesson 5 – Refrigerant Filters and Driers

Lesson 6 – Tools & Procedures for Working with Refrig.

Lesson 7 – Refrig. Oils, Oil Maint., & Service Procedures

Unit 433: Air Conditioning & Refrigeration Compressors ($100)

This course thoroughly explains the function of the compressor in a refrigeration system. Introduces information on the construction and use of reciprocating, rotary, helical, scroll, and centrifugal compressors. Covers compressor motors, control, and protection. Concludes with a lesson on preventive maintenance for compressors as well as troubleshooting and repair.

Lesson 1 – Introduction to Compressors

Lesson 2 – Reciprocating Compressors

Lesson 3 – Rotary, Helical, and Scroll Compressors

Lesson 4 – Centrifugal Compressors

Lesson 5 – Compressor Motors

Lesson 6 – Compressor Control and Protection

Lesson 7 – Compressor Maint., Troubleshooting, & Repair

Unit 434: Air Con & Refrigeration Evaporators / Metering Devices ($100)

Explains the function and construction of evaporators. Covers direct-expansion, dry-expansion, and flooded evaporators, as well as systems using multiple evaporators. Discusses ways to boost evaporator performance. Explains evaporator defrosting, maintenance, and troubleshooting. The course goes on to describe the function, operation, and maintenance of various metering devices, including hand-operated, automatic, thermostatic, thermal-electric devices.

Lesson 1 – Introduction to Evaporators

Lesson 2 – Direct Expansion Evap. & Secondary Refrig.

Lesson 3 – Improving Evaporator Performance

Lesson 4 – Defrosting, Maint., & Troubleshooting Evaporators

Lesson 5 – Metering Device Types, Maint. & Troubleshooting

Unit 435: Condensers / Cooling Towers ($100)

This course overs the function, construction, and operation of both air- and water-cooled condensers and related devices. Discusses cooling towers and spray ponds, including maintenance and troubleshooting. Includes a lesson on evaporative condensers. Concludes with a discussion of water-related problems and how to solve them.

Lesson 1 – Air-Cooled Condensers

Lesson 2 – Water-Cooled Condensers

Lesson 3 – Cooling Towers and Spray Ponds

Lesson 4 – Evaporative Condensers

Lesson 5 – Controlling Water-Related Problems

Unit 436: Air Conditioning / Refrigeration Piping Systems ($100)

Examines piping system materials and sizing. Includes coverage of codes, valves and fittings, and the cutting and joining of piping and tubing. Explains the function and unique requirements of the discharge line, liquid line, and suction line. Concludes with a lesson on piping system maintenance, including handling dirt and scale, expansion, vibration, corrosion, and leaks.

Lesson 1 – Piping Materials and Fittings

Lesson 2 – Discharge Line

Lesson 3 – Liquid Line

Lesson 4 – Suction Line

Lesson 5 – Piping Systems Maintenance

Unit 437: Control Systems For Air Conditioning & Refrigeration ($100)

Introduces the need for control, control methods, and system basics. Includes information on self-powered, pneumatic, hydraulic, electric, and electronic systems. Covers various sensors and controlled devices. Covers the basics of two-position, floating, and proportional control systems and their maintenance and troubleshooting. Discusses the various processes requiring control in a refrigeration or air-conditioning system.

Lesson 1 – Introduction to Control Systems

Lesson 2 – Sensors and Controlled Devices

Lesson 3 – Automatic Control Systems

Lesson 4 – Control of Refrigeration and Air-Conditioning Processes

Lesson 5 – Maintaining and Troubleshooting Controls

Unit 438: Air Conditioning & Refrigeration Systems Overview ($100)

This maintenance course begins with coverage of airflow basics, including how air moves, types of airflow, and pressure relationships. lessons compare and contrast the various types of fans and fan motors. They go on to examine the types of ducts, fittings, connections, insulation, and terminal devices. Covers various methods of cleaning and filtering air, as well as balancing and troubleshooting the air-handling system. This course concludes with a lesson on indoor air quality and sick building syndrome.

Lesson 1 – Air Movement and Distribution

Lesson 2 – Fans and Fan Motors

Lesson 3 – Ductwork Types, Fabrication, and Repair

Lesson 5 – Air System Balancing and Troubleshooting

Lesson 6 – Indoor Air Quality and Sick Building Syndrome