HVAC – Heating and Cooling
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Mechanical MaintenanceHVAC – Heating and Cooling

HVAC – Heating and Cooling

0.50 Hrs
SKU: RVCT-526

HVAC systems are used to maintain clean, conditioned air in enclosed spaces. The term “conditioned” refers to the fact that the temperature and humidity of the air are maintained within desired ranges. This module describes the two most common cooling systems as well as heating devices used in HVAC systems.

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HVAC – Heating and Cooling
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Course Details

Learning Objectives


• Identify and describe the three common types of heating systems – all-air, air-water, and steam
• Describe the two most common cooling systems – direct expansion and chilled water – used in HVAC systems
• Identify and describe the four steps of the refrigeration cycle
• Describe why some types of refrigerants are being phased out
• Describe heating devices used in HVAC systems, including heat exchanger coils, electric coils, gas heaters and infrared heaters
• Identify the equipment that can be used to raise or lower humidity
• Identify the functions of HVAC control systems

Specs

Course Level
Intermediate
Languages
English, Portuguese
Compatibility
Audio, Video
Based on:
Industry Standards and Best Practices

Author | Vector Solutions

With over two decades of experience designing advanced 3D animated courseware and developing our proprietary learning management software, we pride ourselves by having developed over 1,000 safety and operations training modules, which have helped train over 250,000 workers worldwide. Our highly experienced team provides the industry with a simple and high-quality means of training their workforce. Whether your team consists of 25 people or an enterprise with thousands, we’re here to help.

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Frequently Asked Questions

What is the purpose of a heating, ventilation, and air conditioning (HVAC) system?

The purpose is to provide environments that are comfortable for people and allow temperature- or humidity- sensitive equipment to operate safely and reliably.

Where are HVAC systems typically used?

HVAC systems are used in residential, commercial and industrial facilities.

What type of heating systems are used in industrial facilities?

Heating systems used in industrial and commercial HVAC systems can be all-air, air-water, or steam, or a combination.

What type of cooling systems are used in industrial facilities?

There are two types of cooling systems used in commercial and industrial HVAC applications: DX or direct expansion systems, and chilled water or chiller systems.

How is humidity controlled in an HVAC system?

In an HVAC system, humidity can be controlled by either adding or removing moisture from the air. Humidifiers add moisture, while dehumidifiers remove moisture.

Sample Video Transcript

HVAC systems are used to maintain clean conditioned air in enclosed spaces. The term conditioned refers to the fact that the temperature and humidity of the air are maintained within desired ranges. Temperature control is accomplished by heating and cooling systems. HVAC heating systems can be all air, air water, or steam. HVAC cooling systems can be direct expansion systems or chiller systems. Heat exchanger coils are the primary device used by both heating and cooling systems. Electric coils, gas heaters and infrared heaters can also be used in heating applications. Humidity control can be accomplished using humidifiers or dehumidifiers. HVAC system controls regulate air flows, temperatures, and humidities, and also provide for the safe and efficient operation of the HVAC equipment.

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