Heat Rejection Options in HVAC Systems

PDHengineer
Training overview
Professional Course
Self-paced Online
4 hours
From 119.80 USD
Start dates
Online
119.80 USD
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Course description

In Heat Rejection Options in HVAC Systems, you'll learn ...

  • The concept of total heat of rejection (THR), its derivation and how it applies to the process of air conditioning
  • Five prominent methods of heat rejection
  • Importance of sub-cooling and super-heat in air-cooled condensers
  • Types, rating and selection of air cooled condensers

Overview

Credit: 4 PDH

Length: 42 pages

One of the basic requirements of the air conditioning and refrigeration system is to reject heat to the outdoors. Air conditioning chillers come in two different forms:

  • An air-cooled chiller uses the flow of outside air across the condenser to remove or reject heat from the chiller. Air-cooled chillers typically have the condenser mounted on the roof or somewhere outside the facility while the evaporator can either be inside or outside the facility.
  • Water-cooled chillers are typically 100 tons or greater and use water to remove the heat from the condenser. Water-cooled chillers are typically more efficient than air-cooled chillers. The condenser water is kept cool by a cooling tower, or water from the city main or well water is used. A water-cooled chiller will typically have the condenser and evaporator inside a facility while the cooling tower is located outside.

The range of chillers and associated heat rejection equipment is wide ranging. This 4-hour course provides a comprehensive description of the five prominent heat rejection methods as applicable to air conditioning systems.

This course is applicable to architects, air-conditioning engineers, controls engineers, contractors, environmentalists, energy auditors and loss prevention professionals. It is assumed that all the readers know the basic functioning of the air-conditioning system.

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Who should attend?

Certificate of Completion

You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 20 questions. PDH credits are not awarded until the course is completed and quiz is passed.

Training content

This course teaches the following specific knowledge and skills:

  • The concept of total heat of rejection (THR), its derivation and how it applies to the process of air conditioning
  • Five prominent methods of heat rejection
  • Importance of sub-cooling and super-heat in air-cooled condensers
  • Types, rating and selection of air cooled condensers
  • Operating principle of wet cooling towers
  • Types of cooling towers, cross-flow, counter-flow, induced draft and forced draft
  • Capacity control of air cooled and water cooled systems
  • Closed circuit fluid coolers v/s evaporative condensers
  • Energy performance of air-cooled chiller v/s water cooled systems
  • Effectiveness of adiabatic cooling technology
  • Benefits and limitations of various heat rejection methods
  • The selection of appropriate method on capital costs and environment criteria

Costs

This course costs $ - Contact PDHengineer to learn about discounts and upcoming offers

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About PDHengineer

Professional Engineers have trusted PDHengineer to provide high-quality PDH courses since 2003. A large library of PDH courses and live, interactive webinars means that engineers can find PDH course material covering all of the major engineering disciplines. Plus, all PDHengineer...


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PDHengineer

7915 FM 1960 West, Suite 130
77070 Houston Texas

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