Written for the industry, by the industry, CONTREN is a Nationally Accredited, Standardized Construction Training Program. Contren offers students portable and nationally recognized certification in each of over 30 crafts, safety and management.

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 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

Written for the industry, by the industry, CONTREN is a Nationally Accredited, Standardized Construction Training Program. Contren offers students portable and nationally recognized certification in each of over 30 crafts, safety and management.

This exceptionally produced trainee guide features a highly illustrated design, technical hints and tips from industry experts, review questions and a whole lot more Key content includes: DC Circuits, AC Circuits, Switching Devices and Timers, Semiconductors and Integrated Circuits, Test Equipment, Introduction to Electrical Drawings, Introduction to Codes and Standards, Cable Selection, Wire and Cable Terminations, Power Quality and Grounding. Instructor Supplements Instructors: Product supplements may be ordered directly through OASIS at http: //oasis.pearson.com. For more information contact your Pearson NCCER/Contren Sales Specialist at http: //nccer.pearsonconstructionbooks.com/store/sales.aspx. * Annotated Instructor's Guide (AIG) Paperback (Includes access code for Instructor Resource Center) 978-0-13-213713-3 * TestGen Software and Test Questions - Available for download from www.nccercontrenirc.com. Access code comes in AIG and also available separately.* Additional TestGen Software Access Code Cards 978-0-13-213793-5 * PowerPoint(R) Presentation Slides 978-0-13-257332-0 NCCER CONNECT Trainee Guide Paperback + Access Card Package: $119 978-0-13-286671-2 IG Paperback + Access Card Package: $194 978-0-13-286670-5 Access Card ONLY for Trainee Guide: $94 (does not include print book) 978-0-13-285972-1 Access Card ONLY for IG: $100 (does not include print book) 978-0-13-286007-9 ELECTRONIC Access Code ONLY for Trainee Guide: $94 (must be ordered electronically via OASIS; does not include print book) 978-0-13-292176-3 ELECTRONIC Access Code ONLY for IG: $100 (must be ordered electronically via OASIS; does not include print book) 978-0-13-292177