US Government Self-Study HVAC Book

Book Description:

Affordable HVAC Books to study.

this HVAC course will help anyone who studies it seriously.

There are self-test questions throughout the course to help evaluate how well the student is comprehending the material, and the answers to the questions are at the end of the modules.

Module 1 is 84 pages, and covers the following topics:
Explains the fundamentals of electricity and their application in the refrigeration process. It discusses circuits, motors, and troubleshooting. This is followed by a discussion of fundamentals and the maintenance of the gasoline engine. The theory of refrigeration is also explained based on the characteristics of refrigerants.

Module 2 is 95 pages long, and covers the following topics:
Explains the components, operation, and repair of commercial refrigeration systems and provides a detailed explanation of the various uses of compressors. In addition, there is detailed instruction on the use and defrosting of storage cabinets, plant design, special systems, and vehicular refrigeration units.

There are three lessons.
1. Commercial Refrigeration Systems.
2. Commercial Refrigeration Systems (continued).
3. Cold Storage, Ice Plants, Special Applications, and Vehicle Units.

Module 3 is 143 pages long, and covers the following topics:
discusses airflow properties and temperature response including an explanation of air and temperature measuring devices. Instruction is also provided on the installation, operation, and maintenance of self-contained airconditioning units. In addition, the subcourse covers the electric motor, pneumatic controls of refrigeration, the installation of ventilation systems, and the types and components of heat pumps.

There are four lessons.
1. Temperature, Airflows, and Measuring Devices.
2. Self-Contained Units and Duct Systems.
3. Controls.
4. Evaporation, Ventilation Systems, and Operation of Heat Pumps.

Module 4 is 151 pages long, and covers the following topics:
components of the absorption system, including their functions and
maintenance; water treatment methods and their relationship to centrifugal systems; centrifugal water pumps and electronic control systems, including the relationship of amplifier, bridge and discriminator circuits to electronic controls.

It is consists of three lessons.
1. Direct Expansion and Absorption System.
2. Centrifugal Systems and Water Treatment.
3. Centrifugal Water Pumps and Electronic Control Systems.

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