An Introduction to High Temperature Water Heating Plants

J. Paul Guyer, P.E., R.A., Fellow ASCE, Fellow AEI

Course Outline

1.  General Requirements
2.  Definitions
3.  Types of Systems
4.  System Water Velocities
5.  Types of Distribution Circuits
6.  Hot Water Generators
7.  Pressurization
8.  Expansion Vessels
9.  Pumps
10.  Controls

This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials.

Learning Objective

At the conclusion of this course, the student will:

• Learn the temperature and pressure parameters for high, medium and low temperature HTW systems;
• Learn about the single pump forced circulation HTW system with steam pressurization and expansion vessel;
• Learn about the double pump forced circulation HTW system with steam pressurization and expansion vessel;
• Learn about the single pump forced circulation HTW system with inert gas pressurization and expansion vessel;
• Learn about the double pump forced circulation HTW system with inert gas pressurization and expansion vessel;
• Learn the recommended water velocities for HTW systems;
• Learn about the direct-supply, single-circuit distribution system;
• Learn about the direct-supply, radial distribution system;
• Learn about the direct-supply, reverse return distribution system;
• Learn about the one-pipe loop-main distribution system;
• Learn about the features and functions of hot water generators;
• Learn about the saturated steam pressurization method;
• Learn about the inert gas pressurization method;
• Learn about the six pressurization methods that are generally not recommended;
• Learn the advantages and disadvantages of steam pressurization and inert gas pressurization;
• Learn how to size expansion vessels;
• Learn design criteria for steam pressurized systems;
• Learn design criteria for inert gas pressurized systems;
• Learn about the types of pumps used in HTW systems; and
• Learn about system controls.

Intended Audience

This course is intended for mechanical engineers, technicians and construction professionals wanting a familiarization with high temperature water heating systems and equipment.

Benefit for Attendee

This course will give mechanical engineers, technicians and construction professionals an introduction to high temperature water heating systems.

Course Introduction

This is an introduction to systems, equipment and design guidance for high temperature water (HTW) heating plants.

About Course Author

Paul Guyer is a registered mechanical engineer, civil engineer, fire protection engineer and architect with over 35 years experience in the design of buildings and related infrastructure.  For an additional 9 years he was a senior-level advisor to the California Legislature on infrastructure and capital outlay issues.  He has designed and supervised the design of hundreds of construction projects requiring the preparation of detailed working drawings and specifications for federal, state and local public agencies and private companies.  He is a graduate of Stanford University and has held numerous national, state and local positions with the American Society of Civil Engineers and National Society of Professional Engineers.

Course Content

The course content is contained in the following PDF file:

An Introduction to High Temperature Water Heating Plants

Please click on the above underlined hypertext to view, download or print the document for your study. Because of the large file size, we recommend that you first save the file to your computer by right clicking the mouse and choosing "Save Target As ...", and then open the file in Adobe Acrobat Reader. If you still experience any difficulty in downloading or opening this file, you may need to close some applications or reboot your computer to free up some memory.

Course Summary

This course will give you design guidance and an introduction to equipment and systems for high temperature water (HTW) heating plants.

Quiz

Once you finish studying the above course content, you need to take a quiz to obtain the PDH credits.

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DISCLAIMER: The materials contained in the online course are not intended as a representation or warranty on the part of PDH Center or any other person/organization named herein. The materials are for general information only. They are not a substitute for competent professional advice. Application of this information to a specific project should be reviewed by a registered architect and/or professional engineer/surveyor. Anyone making use of the information set forth herein does so at their own risk and assumes any and all resulting liability arising therefrom.

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