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por Dick Wirz

Popular and practical, COMMERCIAL REFRIGERATION FOR AIR CONDITIONING TECHNICIANS, 3rd Edition, helps you apply HVAC skills to concepts in commercial refrigeration. Focused on the food service industry, chapters address how HVAC technicians service medium- and low-temperature refrigeration equipment such as walk-ins, reach-ins, refrigerated cases, and ice machines. Readings also include special features, such as insider tips from seasoned pros on installing, servicing, and troubleshooting see more commercial equipment. Freshly updated to include the latest industry changes, the third edition adds six full sections of content, as well as 150 helpful illustrations, pictures, and diagrams—including a step-by-step flowchart for quickly diagnosing and addressing the nine most common refrigeration problems you will see on the job. A resource to keep handy, COMMERCIAL REFRIGERATION FOR AIR CONDITIONING TECHNICIANS, 3rd Edition, is ideal for any technician working with commercial refrigeration today.
Important Notice: Media content referenced within the product description or the product text may not be available in the ebook version.

por Craig Migliaccio

This Ebook is dedicated to those who are eager to learn the HVACR Trade and Refrigerant Charging/Troubleshooting Practices. In this book, you will find Step by Step Procedures for preparing an air conditioning and heat pump system for refrigerant, reading the manifold gauge set, measuring the refrigerants charge level, and troubleshooting problems with the system's refrigerant flow. This book differs from others as it gives key insights into each procedure along with tool use from a see more technician's perspective, in language that the technician can understand. This book explains the refrigeration cycle of air conditioners and heat pumps, refrigerant properties, heat transfer, the components included in the system, the roles of each component, airflow requirements, and common problems.

Procedures Included:
Pump Down, Vacuum and Standing Vacuum Test, Recovery and Recovery Bottle Use, Refrigerant Manifold Gauge Set and Hose Connections, Service Valve Positions and Port Access, Preparation of the System for Refrigerant, Refrigerant Charging and Recovery on an Active System, Troubleshooting the Refrigerant Charge and System Operation

por Bill Whitman

Equip yourself with the knowledge and skills to maintain and troubleshoot today's complex heating, air conditioning, and refrigeration systems with REFRIGERATION AND AIR CONDITIONING TECHNOLOGY, 7th Edition. Now celebrating its 25th anniversary, this time honored best seller provides the exceptional hands-on guidance, practical applications, latest technology and solid foundation you need to fully understand today's HVAC service and repair, its environmental challenges, and their see more solutions. Focused on sustainable technology in today's HVAC/R industry with an emphasis on new technologies and the latest advancements in the industry, the 7th edition has been updated to include more on Green Awareness, LEED accreditation and building performances with two new chapters on Energy Audits and Heat Gains and Losses. This edition covers the all-important soft skills and customer relation issues that impact customer satisfaction and employment success. Memorable examples, more than 260 supporting photos and unique Service Call features emphasize the relevance and importance of what you are learning. Trust Refrigeration and Air Conditioning TECHNOLOGY 7E to provide you with clear and accurate coverage of critical skills your HVAC/R success.
Important Notice: Media content referenced within the product description or the product text may not be available in the ebook version.

por Esco Institute

The Esco Institute Quick Guide to the Refrigeration Cycle, Refrigerants, and Components is intended to provide industry personnel with a review/refresher of fundamental concepts needed to be successful on the EPA Section 608 examination.

This book will provide an overview of the following:
-concepts and measurements of pressure as well as the related gas laws.
-temperature/pressure relationship as it relates to the refrigeration cycle.
-study of thermodynamics and heat see more transfer.
-the refrigerant cycle, refrigerant states, and temperature/pressure relationships.
-refrigerant composition, properties, and refrigerant applications.
-common oils used with refrigerants, their applications and uses, and safe handling.
-the process of retrofitting a system to use an alternative refrigerant and oil as well as system cleanup.
-the function and applications of evaporators, condensers, compressors, and metering devices.
-typical operating conditions for system components under normal conditions.
-proper installation and maintenance of the refrigerant circuit components.

por Rex Miller

A Complete, Up-to-Date Guide to AC and Refrigeration Fully revisited to cover the latest techniques, tools, refrigerants, and equipment, Air Conditioning and Refrigeration, Second Edition, provides a thorough introduction to the basic principles and practices of the AC and refrigeration industry. Step-by-step instructions, along with more than 800 photographs and illustrations, demonstrate efficient, cost-effective, and current methods for choosing, installing, maintaining, troubleshooting, see more servicing, and repairing today's cooling and climate control systems. Whether you're a do-it-yourselfer, a professional technician, or a student, you'll find the task-simplifying details you need for any project. Learn all about:
Tools, instruments, and specialized equipment Development of refrigeration Voltage, current, and resistance Solenoids and valves Electric motors Refrigerants Refrigeration compressors Condensers, chillers, and cooling towers Water-cooling problems Evaporators Refrigerant flow control Servicing and safety Freezers Temperature, psychrometrics, and air control Comfort air conditioning Commercial air-conditioning systems Various types of air conditioners and heat pumps Estimating load and insulating pipes Electrical power for air conditioners Air-conditioning and refrigeration careers New refrigerants Electrical and electronic symbols used in schematics

por John Tomczyk

Develop the knowledge and skills you need to maintain and troubleshoot today’s complex heating, air conditioning, and refrigeration systems with REFRIGERATION AND AIR CONDITIONING TECHNOLOGY, 8th Edition. This practical, easy-to-understand book provides hands-on guidance, practical applications, and the solid foundation you need to fully understand today’s HVAC service and repair, its environmental challenges, and their solutions. Focused on sustainable technology in today’s HVAC/R see more industry with an emphasis on new technologies and green awareness, the 8th Edition covers the latest advances in the industry and the all-important soft skills and customer relations issues that impact customer satisfaction and employment success. Memorable examples, more than 260 supporting photos, and unique Service Call features bring concepts to life and help you develop the critical skills you need for success in your future career.
Important Notice: Media content referenced within the product description or the product text may not be available in the ebook version.

por S. N. SAPALI

This book is designed for a first course in Refrigeration and Air Conditioning. The subject matter has been developed in a logical and coherent manner with neat illustrations and a fairly large number of solved examples and unsolved problems. The text, developed from the author’s teaching experience of many years, is suitable for the senior-level undergraduate and first-year postgraduate students of mechanical engineering, automobile engineering as well as chemical engineering. The text see more commences with an introduction to the fundamentals of thermo-dynamics and a brief treatment of the various methods of refrigeration. Then follows the detailed discussion and analysis of air refrigeration systems, vapour compression and vapour absorption refrigeration systems with special emphasis on developing sound physical concepts and gaining problem solving skills. Refrigerants are exhaustively dealt with in a separate chapter. The remainder chapters of the book deal with psychrometry and various processes required for the analysis of air conditioning systems. Technical descriptions of compressors, evaporators, condensers, expansion devices and ducts are provided along with design practices for cooling and heating load calculations. The basic principles of cryogenic systems and applications of cryogenic gases and air liquefaction systems have also been dealt with. The Second Edition incorporates: (a) New sections on vortex tube, solar refrigeration and magnetic refrigeration, in Chapter 2. (b) Additional solved examples on vapour compression refrigeration system using the R134a refrigerant, in Chapter 4. (c) New sections on duct arrangement systems and air distribution systems, in Chapter 15. (d) A new Chapter 17 on Food Preservation.

por Hooman Gohari

This comprehensive book has been developed to quickly train an average person for the vast commercial and residential refrigeration and air-conditioning market within a short period of time. It provides all the technical knowledge needed to start a successful refrigeration and air-conditioning business anywhere in the world.

por Roger A. Fischer

A common sense guide to maintaining and repairing all types of cooling and refrigeration units.

por G F Hundy

Now in its fourth edition, this respected text delivers a comprehensive introduction to the principles and practice of refrigeration. Clear and straightforward, it is designed for students (NVQ/vocational level) and professional HVAC engineers, including those on short or CPD courses. Inexperienced readers are provided with a comprehensive introduction to the fundamentals of the technology. With its concise style yet broad sweep the book covers most of the applications professionals will see more encounter, enabling them to understand, specify, commission, use and maintain these systems. Many readers will appreciate the clarity with which the book covers the subject without swamping them with detailed technical or product specific information.

New material in this edition includes the latest developments in refrigerants and lubricants, together with updated information on compressors, heat exchangers, liquid chillers, electronic expansion valves, controls and cold storage. Topics also covered include efficiency, environmental impact, split systems, retail refrigeration (supermarket systems and cold rooms), industrial systems, fans, air infiltration and noise.

Author Information
Guy Hundy studied Mechanical Engineering at Leeds University, UK. He started his career in the refrigeration industry with J & E Hall Ltd, Dartford. In 1985 he joined Copeland Europe and in 1998 he was appointed Director, Application Engineering, Copeland Europe. He has authored and co-authored papers and articles on compressors, applications and refrigerant changeover topics. Guy Hundy is a Chartered Engineer and works as a Technical Consultant. He is past - President of the Institute of Refrigeration.Covers principles, methods and application of refrigeration, air conditioning and heat pumps in a concise volume, without the encumbrance of handbook information found in other volumesIdeal for students, and professionals in other disciplines, not too theoretical but with sufficient depth to give an understanding of the issues, this book takes the reader from the fundamentals, through to system design, applications, contract specifications and maintenanceFull revision by Guy Hundy with new diagrams and illustrations