HVAC Multi-Split Variable Refrigerant Flow (VRF)

PDHengineer
Training overview
Professional Course
Self-paced Online
2 hours
From 59.90 USD
Start dates
Online
59.90 USD
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Course description

In HVAC Multi-Split Variable Refrigerant Flow (VRF), you'll learn ...

  • The difference between multi-split air conditioning system and VRF systems
  • Operating principles of direct expansion split and VRF system
  • The concept of thermal zone
  • How VRF with heat recovery are different from ordinary heat pump systems

Overview

Credit: 2 PDH

Length: 30 pages

In recent years air conditioning systems have significantly changed. Variable Refrigerant Flow (VRF) also known as variable refrigerant volume (VRV) is a commercial HVAC system that can be configured to utilize a single condensing unit with multiple indoor evaporator units. The arrangement provides an individualized comfort control by varying the flow of refrigerant to each evaporator unit using sophisticated electronic expansion valve and inverter controlled variable speed compressor.

The system delivers excellent part-load performance and simultaneous heating and cooling in different zones. Unfortunately, the design of VRF systems is more complicated and requires additional work compared to designing a conventional air conditioning system.

This 3 -hour course provides an overview of VRF system technology. Emphasis is placed on the control principles, terminology, basic components, advantages and design limitations.

This course is suitable for mechanical, electrical, controls and HVAC engineers, architects, building designers, contractors, estimators, energy auditors and facility managers. In particular, personnel with a background in the air conditioning field will benefit from the valuable information in this course.

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Certificate of Completion

You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 15 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 difference between multi-split air conditioning system and VRF systems
  • Operating principles of direct expansion split and VRF system
  • The concept of thermal zone
  • How VRF with heat recovery are different from ordinary heat pump systems
  • Operation of thermostatic expansion valve (TXV) and electronic expansion valve (EEV)
  • The influence of building characteristics and load profile on selection of VRF system
  • Advantages and application of VRF systems
  • Design limitations and challenges in design of VRF systems

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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