Testing and Balancing HVAC Air and Water Systems

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Testing and Balancing HVAC Air and Water Systems

Introduction

Testing and Balancing HVAC Air and Water Systems

    This book will provide the reader with an understanding of the principles and practices of testing and balancing (TAB) heating, ventilating and air conditioning (HVAC) air and water systems. It is for anyone interested in testing and balancing. For the novice and the experienced testing and balancing technician it is a field reference book of procedures, equations, and information tables. For those interested in getting into TAB or are new to the HVAC industry it’s a text for learning more about HVAC systems and testing and balancing. 

Energy-Efficient HVAC Design

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    For the mechanical engineer, building owner, facility manager or energy manager this book can be used for teaching TAB, writing more effective specifications, and learning about TAB and how it interacts with system commissioning, indoor air quality and energy management. It is the intent of this book to improve the communications between owners, mechanical engineers, designers, vendors, contractors and TAB engineers, supervisors, and technicians to ensure that HVAC systems are being properly tested and balanced.

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Table of Contents

Chapter 1. General Balancing Procedure

Preliminary Office Work

Preliminary Field Inspection

Chapter 2 Preliminary Air Balancing Procedures

Preliminary Office Work

Preliminary Field Inspection

Motor Nameplate Information

Drive Information

Air Volume Readings In the Air Handling Unit

Chapter 3. Air Balance Procedures Common to All Systems

Balancing Principles

Pitot Tube Traverse

Alternate Traverse Methods

Velocity Pressure Readings

Calculating Air Volume

Density Corrections

Totaling the System

Chapter 4 Balancing Constant Volume Low Pressure Systems

Instrumentation

Proportionally Balancing Low Pressure Systems

Chapter 5. Balancing Constant Volume Multizone, Dual Duct, and Induction Systems

Multizone (Mz) Systems

Proportionally Balancing Zones

Dual Duct (DD) Systems

Induction Systems.

Chapter 6.Balancing Variable Air Volume Systems

Variable Air Volume (VAV) Systems

Types of Vav Systems

Balancing Pressure Independent Systems

Balancing Pressure Dependent Systems.

Combination Systems

VAV Troubleshooting Guidelines

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