Modern Refrigeration and Air Conditioning by Andrew D. Althouse, BS, (ME), MA Carl H. Turnquist, BS, (ME), MA Alfred F. Bracciano, BS, M.Ed., Ed. Sp. Daniel C. Bracciano, BSME Gloria M. Bracciano, BA, MA, Ed. Sp. Publisher The Goodheart-Willcox Company, Inc. Tinley Park, IL www.g-w.com Copyright Goodheart-Willcox Co., Inc. 2017 FFMM..iinndddd ii 88//11//22001166 1100::1133::2266 AAMM Copyright © 2017 by The Goodheart-Willcox Company, Inc. Previous editions copyright 2014, 2004, 2000, 1996, 1992, 1988, 1982, 1979, 1975, 1968, 1960, 1958, 1956, 1950, 1944, 1943, 1939, 1936, 1933 All rights reserved. No part of this work may be reproduced, stored, or transmitted in any form or by any electronic or mechanical means, including information storage and retrieval systems, without the prior written permission of The Goodheart-Willcox Company, Inc. Manufactured in the United States of America. 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Cover images: Emerson Climate Technologies; Arkema, Inc.; Stride Tool Inc.; Danfoss; Tempstar Back cover image: Ritchie Engineering Co., Inc. – YELLOW JACKET Products Division Library of Congress Cataloging-in-Publication Data Names: Althouse, Andrew D., author. | Turnquist, Carl H., author. | Bracciano, Alfred F., author. | Bracciano, Daniel C., author. | Bracciano, Gloria M., author. Title: Modern refrigeration and air conditioning / by Andrew D. Althouse, Carl H. Turnquist, Alfred F. Bracciano, Daniel C. Bracciano, Gloria M. Bracciano. Description: 20th edition. | Tinley Park, IL : The Goodheart-Willcox Company, Inc., [2017] | Includes index. Identifi ers: LCCN 2015039667 | ISBN 9781631263545 Subjects: LCSH: Refrigeration and refrigerating machinery. | Air conditioning. Classifi cation: LCC TP492 .A43 2017 | DDC 621.5/6--dc23 LC record available at http://lccn.loc.gov/2015039667 Copyright Goodheart-Willcox Co., Inc. 2017 FFMM..iinndddd iiii 88//11//22001166 1100::1133::3311 AAMM Pr eface Modern Refrigeration and Air Conditioning This 20th edition incorporates many changes: is the standard for a new generation of learner. This • New technical updates include added informa- classic is an excellent blend of theory, skill develop- tion on variable refrigerant fl ow (VRF) systems, ment, and service techniques to help you learn how to microchannel heat exchangers, variable frequency install and service refrigeration and HVAC systems. drives, thermostat diagnostics, HC and HFO Modern Refrigeration and Air Conditioning delivers refrigerants, and additional Code Alert features. comprehensive and authoritative content on the basic New and updated content focusing on energy ef- and advanced principles of refrigeration and air con- fi ciency includes air-side economizers and multi- ditioning, provides excellent instruction and training stage and zoning thermostats. in the skills and techniques essential for servicing and • Over 400 new images and illustrations have been troubleshooting, and emphasizes career opportunities, added throughout the textbook. workplace skills, and safety. • A new Careers and Certifi cation chapter and new The content in Modern Refrigeration and Air Service Call Scenario features provide you with an Conditioning is correlated to the curriculum guides and overview of career opportunities available in the competencies used for HVAC Excellence and PAHRA HVACR industry and an introduction to workplace program accreditation. The accreditation curriculum skills that will help you succeed in your career dovetails with entry-level and professional certifi ca- goals. tion exam requirements. Thus, Modern Refrigeration and Air Conditioning is a valuable resource as you • A new Safety chapter provides an overview of begin your journey toward entry-level certifi cation, safety-related topics to complement the strong, employment, professional certifi cation, and career existing contextual safety information located advancement. throughout the chapters. Modern Refrigeration and Air Conditioning has In the coming years, the number of new positions been carefully designed and crafted to make your learning in the HVACR industry combined with open posi- experience effective and effi cient. Concepts are explained tions due to retirements is expected to be signifi cantly clearly and simply, with text narrative supported by greater than the number of new employees entering numerous engaging and attractive illustrations. The the fi eld. This will create a shortage of trained workers preview and review features in each chapter—Chapter and a surplus of employment opportunities. You are Outline, Technical Terms list, Review of Key Concepts, and entering the HVACR fi eld at an ideal time, and Modern Summary—help you quickly master HVACR concepts Refrigeration and Air Conditioning will be a fantastic and topics. resource for you as you build your career! Copyright Goodheart-Willcox Co., Inc. 2017 iii FFMM..iinndddd iiiiii 88//11//22001166 1100::1133::3377 AAMM About the Authors Andrew D. Althouse received his engineering degree Mr. Bracciano is a life member of the American from the University of Michigan. He was the Assistant Society of Heating, Refrigerating and Air-Conditioning Director of the Vocational Education Department at Cass Engineers (ASHRAE), Refrigeration Service Engineers Technical High School in Detroit and later became the Society (RSES), Association for Career and Technical Supervisor of Vocational Education for Detroit. As a leader Education (ACTE), and the American Technical Education in the fi eld, he and his coauthor Carl Turnquist created Association (ATEA). one of the fi rst training programs in refrigeration while Dan Bracciano graduated from Oakland University at Cass Technical High School. Andy, as he was known, in Rochester Hills, Michigan, with a bachelor of science created the fi rst technical training course in refrigera- degree in Mechanical Engineering. He began his career tion for industry. The instructional materials used in in HVACR at the Warren Schools Career Center, grad- this fi rst course became the foundation for the text- uating in HVACR, and worked in the HVACR fi eld book Modern Electric and Gas Refrigeration, which was performing residential and commercial HVACR instal- published in 1933. Mr. Althouse was a Member of the lations and service. American Society of Refrigerating Engineers. Dan has over twenty-fi ve years of experience work- Carl H. Turnquist earned his engineering degree ing in design development and manufacture of HVAC from Wayne State University in Detroit and, along with systems for Fiat/Chrysler, General Motors, Mitsubishi Mr. Althouse, developed one of the earliest training pro- Climate Control, and Alternative Energy Corporation. grams to provide instruction for mechanical refrigeration He holds several patents in the fi eld, including a patent for the automotive industry and for railroad passenger for a Modular Hermetic HVAC system. Dan is a mem- cars. With industry support, Carl’s program fl ourished ber of the American Society of Heating, Refrigerating as the demand for skilled technicians in this new fi eld and Air-Conditioning Engineers (ASHRAE) and the expanded. The Modern Electric and Gas Refrigeration book Mobile Air Conditioning Society (MACS). was revised every three to fi ve years as new equipment Gloria Bracciano received a bachelor’s degree was developed. The title of the book was eventually in Education, a master’s degree in Curriculum and changed to Modern Refrigeration and Air Conditioning. Instruction, and an education specialist degree in Mr. Turnquist was an Associate Member of the American Administrative Leadership. She completed coursework in Society of Refrigerating Engineers. Heating, Ventilation, Air Conditioning, and Refrigeration Alfred Bracciano received a bachelor of science through Oakland and Macomb Community Colleges. degree in Industrial Education with Certifi cation in Ms. Bracciano has worked in the fi eld of education Vocational Education from Wayne State University for over twenty-fi ve years and has held positions as both in Michigan. He also earned a master’s degree in university professor and administrator. She has also Secondary Education and a Specialist degree in served as the Provost of Gulliver Schools. Ms. Bracciano Administration and Supervision. specializes in development and implementation of inno- Mr. Bracciano was employed as a teacher of vative curriculums and has presented at local, state, and Refrigeration and Air Conditioning for twelve years. national conferences. He then became Director of Career and Technical Ms. Bracciano is a member of the American Education for Warren Consolidated Schools in Society of Heating, Refrigerating and Air-Conditioning Warren, Michigan. He taught Community Resources Engineers (ASHRAE), Refrigeration Service Engineers Workshops for Michigan State University and pre- Society (RSES), and the American Technical Education sented at conferences throughout the country. Association (ATEA). The authors and publisher wish to thank Connie Habermehl, Administrative Assistant for Associated Technical Authors, for her contributions to this and previous editions of Modern Refrigeration and Air Conditioning. iv Copyright Goodheart-Willcox Co., Inc. 2017 FFMM..iinndddd iivv 88//11//22001166 1100::1133::3388 AAMM Reviewers The authors and publisher wish to thank the industry and teaching professionals listed below for their valuable input into the development of Modern Refrigeration and Air Conditioning. The authors and publisher wish to express particular gratitude to the following individuals: Dr. Christopher Molnar, of Porter and Chester Don Crawshaw, of Salt Lake Community College, Institute, for writing three sections for and for his detailed review of commercial refrigeration providing a detailed technical review of the chapters. thermostats chapter. Randy F. Petit, Sr., of HVAC Excellence, for his extensive review and suggestions. Greg Jourdan, of Wenatchee Valley College, for his detailed technical review of the electrical Howard Weiss, of HVAC Excellence, for his detailed controls systems and energy management review of certifi cation and industry association and content. general guidance. Jerry Weiss, Thomas Tebbe, and Coy Gibson, all of HVAC Excellence, and Warren Lupson, of PAHRA/AHRI, for their frequent and generous contributions of guidance and wisdom. Anthony L. Baham Danny Burris George Frank South Central Louisiana Technical Eastfi eld College of the Dallas British Columbia Institute of College County Community College Technology Morgan City, Louisiana District Burnaby, British Columbia, Mesquite, Texas Canada David Blais Ivy Tech Community College Terry Carmouche Rod Fronk Indianapolis, Indiana South Central Louisiana Technical Wichita Technical Institute College Topeka, Kansas Terry Bradwell Reserve, Louisiana Midlands Technical College David W. Fuller West Columbia, South Carolina Michael Chandlee Clovis Community College/Air Tennessee Technology Center at One HVAC Sales and Service Stevan Brasel Pulaski Clovis, New Mexico/Portales, Moraine Valley Community Pulaski, Tennessee New Mexico College Palos Hills, Illinois James Conway Tim Gohdes Lindsey-Cooper Refrigeration Central Texas College Michael Brock School Killeen, Texas Florida Coast Career Tech/Florida Irving, Texas State College at Jacksonville Brad Guthrie Jacksonville, Florida Rick Dorssom Front Range Community Hillyard Technical Center College Mark R. Buller St. Joseph, Missouri Fort Collins, Colorado British Columbia Institute of Technology Patrick Duschl Marvin J. Hamel Burnabay, British Columbia, Fortis College Locklin Technical Center Canada Cincinnati, Ohio Milton, Florida Copyright Goodheart-Willcox Co., Inc. 2017 v FFMM..iinndddd vv 88//11//22001166 1100::1133::3388 AAMM vi Modern Refrigeration and Air Conditioning James H. Hanway James Martini Doug Sallade Northland Career Center Henry Ford Community College Cypress College Platte City, Missouri Dearborn, Michigan Cypress, California Gary L. Harrison Todd Matsuba Thomas E. Shifl et AG&H Contractors LLC Northern Alberta Institute of Greenville Technical College Baton Rouge, Louisiana Technology Greenville, South Carolina Edmonton, Alberta, Canada Patrick Heeb Allen Smith Long Beach City College Richard McDonald College of Lake County Long Beach, California Santa Fe College Grayslake, Illinois Gainesville, Florida John Henry Diablo Valley College John L. Mulder Stephen V. Spletzer Pleasant Hill, California Roanoke-Chowan Community Arkema Inc. College King of Prussia, Pennsylvania John P. Ingram Ahoskie, North Carolina Northwest Community College Donald Steeby Senatobia, Mississippi Patrick Murphy Grand Rapids Community College Quinn-Murphy Consulting, LLC Grand Rapids, Michigan Gordan Jacoby Spring Lake, New Jersey Milwaukee Area Technical College Richard C. Taylor Oak Creek, Wisconsin Keith J. Otten Pennsylvania College of Technology Southwestern Illinois College Robert Johnson Willamsport, Pennsylvania Belleville, Illinois Amarillo College Mark Tyrrell Amarillo, Texas Joseph G. Owens Franklin Technical Center Antelope Valley College Nick Kyriakopedi Joplin, Missouri Lancaster, California Laney College Oakland, California Glenn Walsh Jeffrey Patronek British Columbia Institute of Alfred State/SUNY College of Aaron Latty Technology Technology Robert Morgan Educational Center Alfred, New York Burnaby, British Columbia, Canada Miami, Florida Joseph Pellecchia Chad Wheat Mark Loan Platt Regional Vocational Georgia Northwestern Technical Red River College Winnipeg, Manitoba, Canada Technical School College Milford, Connecticut Rome, Georgia Raul Lopez Houston Community College Whit Perry Gerald L. Williamson Houston, Texas Northwest Mississippi Montgomery College Community College Rockville, Maryland Barbara MacQueen Senatobia, Mississippi Vancouver Island University Harold Wynn Cowichan Campus, British Jesse R. Riojas Wichita Technical Institute Columbia, Canada Oakland Community College Joplin, Missouri Auburn Hills, Michigan Rick Marks Robert G. Young Cisco College Terry Robinson Autry Technology Center Abilene, Texas Lincoln Technical Institute Grand Prairie, Texas Enid, Oklahoma Gary Marowske Flame Heating, Cooling, Plumbing Terry Rogers Brian Youngblood & Electrical Midlands Technical College Atlantic Technical Center Warren, Michigan West Columbia, South Carolina Coconut Creek, Florida Copyright Goodheart-Willcox Co., Inc. 2017 FFMM..iinndddd vvii 88//11//22001166 1100::1133::3399 AAMM Acknowledgments The authors and publisher would like to thank the following companies, organizations, and individuals for their contribution of resource material, images, or other support in the development of Modern Refrigeration and Air Conditioning. A-1 Components Corporation Carrier Corporation, Subsidiary of Flame Heating, Cooling, Plumbing & AAON United Technologies Corp. Electrical ABB Stal Refrigeration Corporation Carrier Transicold Division, Carrier Corp. Fluke Corporation Abbeon Cal, Inc. CCI Thermal Technologies Inc. Frigidaire ACCA – The Indoor Environment & CertainTeed Corporation Frigidaire Company Energy Efficiency Association ClimateMaster Fujitsu General America, Inc. Aeroquip Corporation CMP Corporation Fusite AlCoil, Inc. Gates Corporation Comfortmaker GNJ, International Alerton Comfort Products Corporation GEA Heat Exchangers Alfa Laval Inc. Continental Industries, Inc. General Filters, Inc. All American Heating & Cooling Control Resources, Inc. Goodman Manufacturing Company Allanson Inc. Control4 Corporation Goodway Technologies Corp. Alto-Shaam, Inc. Cooper Tools, Nicholson Grasslin Controls Corporation Amana Refrigeration, Inc. GrayWolf Sensing Solutions, LLC Copeland Corporation American Saw & Mfg. Company Haier America Corken Steel Products Amprobe Hampden Engineering Cyber Prodigy LLC Andersen Corp. Harris Group Daikin Applied A. O. Smith Hartford Compressors, Inc. Appion, Inc. Danfoss Heat Controller, Inc. Arkema, Inc. DENSO Sales California, Inc. Henry Technologies, Inc. Armacell LLC Dial Manufacturing, Inc. Hill Phoenix, Inc. Arzel Zoning Technology, Inc. Dispensed Water Div. of Elkay Mfg. Co. hilmor Bacharach, Inc. DiversiTech Corporation Hi-Velocity Systems Bally Refrigerated Boxes, Inc. DuctSox Corporation Honeywell, Inc. Baltimore Aircoil Company Dunham-Bush, Inc. Hoshizaki America, Inc. BernzOmatic DuPont Company Hussmann Corporation Bitzer DuPont Energy Management Co., Inc. Ice Energy, Inc. Blissfield Manufacturing Dwyer Instruments, Inc. Ice-O-Matic Bosch Thermotechnology Corp. Dynatemp International, Inc. Ideal Industries, Inc. BouMatic EarthLinked Technologies, Inc. Braeburn Systems LLC Imperial Elite Soft Inc. Bristol Compressors, Inc. INFICON Cadet Manufacturing Co. Emerson Climate Technologies Insteon Caleffi North America, Inc. Emerson Electric Co. Invensys Climate Controls Americas CALMAC Manufacturing Corporation Extech Instruments Corp. ITT McDonnell & Miller Camfil Farr Co. Fedders North America, Inc. ITW Vortec Carel Industries Fenwal Controls Jackson Systems, LLC Carlin Combustion Technology, Inc. Field Controls, LLC Jenn-Air Copyright Goodheart-Willcox Co., Inc. 2017 vii FFMM..iinndddd vviiii 88//11//22001166 1100::1133::3399 AAMM viii Modern Refrigeration and Air Conditioning Johnson Controls, Inc. R.W. Beckett Corporation Superior Refrigeration Products JugLugger Ranco, Invensys Climate Controls Sweden-Alco Dispensing Systems, KE Fibertec NA, Inc. Americas a Div. of Alco Foodservice Equipment Co. Kenmore Raymon-Donco Corp. TEC (The Energy Conservatory) Kennametal, Inc. Raypak, Inc. Tecogen, Inc. King Electrical Mfg. Co. RectorSeal Tecumseh Products Company Klein Tools, Inc. Reed Manufacturing Co. Tempstar Kysor//Warren Refrigeration Technologies Texas Instruments, Inc. LA-CO Industries Inc. REMIS AMERICA, LLC The Coleman Company, Inc. Lancer Corporation RenewAire The Energy Conservatory Lennox Industries Inc. Rheem Manufacturing Company The Trane Co. LG Appliances Ritchie Engineering Co., Inc. – Thermo King Corporation Lordan A.C.S. Ltd YELLOW JACKET Products Thermostat Recycling Corporation Ludeca, Inc. Division TIF™ Instruments, Inc. Luvata Robinair, SPX Corporation Tjernlund Products, Inc. Manchester Tank Robur Corporation Trane, a brand of Ingersoll Rand Mastercool Inc. RTCA—Radon Testing Corp of Transcold Distribution, Ltd. Maytag Corporation America, Inc. Transducers Direct, LLC. McQuay International Runtal North America Traulsen Refrigeration Mestek Machinery Scale Free International TSI Incorporated Micro Switch, Div. of Honeywell, Inc. Schneider Electric Tutco, Inc. Midco International, Inc. Scotsman Ice Systems U.S. Cooler Company Milwaukee Electric Tool Corp. Sealed Unit Parts Co., Inc. Uline Mitsubishi Electric, HVAC Advanced Products Division Selco Products Company Ullman Devices Corporation Mueller Industries, Inc. Sherwood Valve United States Federal Trade Mueller Refrigeration Company, Inc. Siebe Environmental Controls, Commission Invensys Climate Controls Uniweld Products, Inc. National Air Duct Cleaners Association (NADCA) Americas Uponor, Inc. National Cancer Institute Skuttle IAQ Products US Department of Energy—DOE National Weather Service Snap-On Inc. Veco NA – Coastal Climate Control, Inc. Nest Labs, Inc. Spectronics Corporation Venstar NexRev Inc. SpeedClean Virginia KMP Corp. NORA Sporlan Division - Parker Hannifin WaterFurnace International, Inc. North American Technician Excellence Corporation Webster Fuel Pumps and Valves OSHA Sprinkool Systems International, Inc. Westermeyer Industries, Inc. Owens Corning SPX Corporation Westwood Products, Inc. Ozone Solutions, Inc. SRC Refrigeration Whirlpool Corporation Pacific Transducer Corp. SSAC, LLC White-Rodgers Division, Emerson Climate Technologies Packless Industries Standard Refrigeration Co. Wittern Group Paragon, Invensys Climate Controls Steinen Nozzles Americas Women in HVACR Steril-Aire, Inc. Parker Hannifin Corporation Worthington Industries Steven Shepler PB Heat, LLC Xylem Inc. Peerless of America, Inc. Stride Tool Inc. York International Corp. Malcolm Prather Suburban Manufacturing Zero Zone, Inc. QMark, A Division of Marley Electric Sub-Zero/Wolf Appliance Zettler Controls, Inc. Heating Sun Spot Solar and Heating, Inc. ZONEFIRST Copyright Goodheart-Willcox Co., Inc. 2017 FFMM..iinndddd vviiiiii 88//11//22001166 1100::1133::3399 AAMM G-W Integrated Learning Solution Together, We Build Careers At Goodheart-Willcox, we take our mission seriously. Since 1921, G-W has been serving the career and technical education (CTE) community. Our employee-owners are driven to deliver exceptional learning solutions to CTE students to help prepare them for careers. Our authors and subject matter experts have years of experience in the classroom and industry. We combine their wisdom with our expertise to create content and tools to help students achieve success. Our products start with theory and applied content based on a strong foundation of accepted standards and curriculum. To that base, we add student-focused learning features and tools designed to help students make connections between knowledge and skills. G-W recognizes the crucial role instructors play in preparing students for careers. We support educators’ efforts by providing time-saving tools that help them plan, present, assess, and engage students with traditional and digital activities and assets. We provide an entire program of learning in a variety of print, digital, and online formats, including economic bundles, allowing educators to select the perfect mix for their classroom. Student-Focused Curated Content Goodheart-Willcox believes that student-focused content should be built from standards and accepted curriculum coverage. Standards from HVAC Excellence and PAHRA/AHRI were used as a foundation for this text. Modern Refrigeration and Air Conditioning also uses a building block approach with attention devoted to a logical teaching progression that helps students build on their learning. We call on industry experts and instructors from across the country to review and comment on our content, presentation, and pedagogy. Finally, in our refi nement of curated content, our editors are immersed in content checking, securing and sometimes creating fi gures that convey key information, and revising language and pedagogy. Curriculum Correlations Modern Refrigeration and Air Conditioning To see how Modern Refrigeration and Air aligns with curriculum standards for HVAC Excellence Conditioning correlates to HVAC Excellence and and PAHRA accreditation. AHRI standards, please visit www.g-w.com/modern- HVAC Excellence is a not-for-profi t organiza- refrigeration-air-conditioning-2017 and click on the tion that serves the HVACR industry with the goal Correlations tab. For more information on PAHRA and of supporting and improving HVACR education and HVAC Excellence, please visit www.pahrahvacr.org and training. HVAC Excellence provides many services www.hvacexcellence.org. to HVACR education and training, including award- ing program accreditation, professional certifi ca- tions, and instructor credentials. The Partnership for Air-Conditioning, Heating, and Refrigeration Accreditation (PAHRA) is an inde- pendent, third-party organization that is a partner- ship between HVACR educators and the HVACR industry. PAHRA awards accreditation to programs that meet or exceed industry-validated standards developed by AHRI. Copyright Goodheart-Willcox Co., Inc. 2017 ix FFMM..iinndddd iixx 88//11//22001166 1100::1133::3399 AAMM