Variable Refrigerant Flow Systems (Ohio Timed & Monitored)

Course Number: HV-3012TM
Credit: 3 PDH
Subject Matter Expert: Lee Layton, P.E.

Type: Timed and Monitored - designed for Ohio-licensed engineers.

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Overview Board Acceptance Reviews (71) More Details

Overview

This course is specifically designed for Ohio-licensed engineers to qualify as a "timed and monitored" online course. The course contains an automatic timer that prevents the user from accessing the quiz and earning a certificate of completion until the minimum amount of study time has been met. This achieves the Ohio Board's intent that an online course should be "paced" by the provider. For more information, please see the Ohio state requirements. This course may also be accepted in other states (see the "Board Acceptance" tab above). However, if you are not licensed in Ohio, it is suggested that you purchase the self-paced version of the course.

In Variable Refrigerant Flow Systems, you'll learn ...

How Variable Refrigerant Flow (VRF) systems work
Typical applications, pros and cons of VRF systems
Why VRF systems are the commercial HVAC system of choice in Europe, Japan and other parts of the world
Why the U.S. market has been slower to accept VRF technology

Overview

To meet the Ohio Board's intent that online courses be "paced" by the provider, a timer will be used to record your study time. You will be unable to access the quiz until the required study time of 150 minutes has been met.

Credit: 3 PDH

Length: 40 pages

Variable refrigerant flow (VRF) has about 24% of the global commercial air conditioning market, and over 35% market share in China, India, the European Union, and Eastern Europe. The VRF share of the U.S. market is still only about 3%, but multiple manufacturers sell these systems in the U.S. and sales are growing.

This 3-hour course describes how VRF systems operate, as well as why these systems have the potential to provide energy savings over the traditional systems used in U.S. commercial buildings today.

Learning Objectives

Upon completion of this course, participants will be able to:

Identify major categories of commercial building energy use by appliance.
Explain how variable refrigerant flow (VRF) systems operate.
Describe how a heat pump operates.
Distinguish among different heat pump operating cycles.
Compare VRF systems with direct expansion (DX) systems.
Explain the advantages and disadvantages of VRF systems.
Identify the types of facilities best suited for VRF systems.

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.

Board Acceptance