{ "item_title" : "Handbook of Commercial Refrigeration for Air Conditioning Technicians", "item_author" : [" Kenneth V. Long "], "item_description" : "From Complex Refrigeration Systems to Accurate Diagnostics and Reliable PerformanceCommercial refrigeration demands more than basic cooling knowledge. Reliable performance requires understanding compressors, refrigerants, electrical circuits, heat exchangers, and controls-and knowing how to diagnose problems before they become costly failures.Handbook of Commercial Refrigeration for Air Conditioning Technicians provides a practical, structured approach to installing, troubleshooting, repairing, and maintaining commercial refrigeration and HVACR systems.Designed for both technical learning and professional reference, this handbook combines essential engineering principles with practical service procedures, diagnostic methods, and worked examples.Inside, You'll Learn How to: Understand refrigeration fundamentals - Thermodynamics, heat transfer, vapor-compression cycles, and refrigerant propertiesService essential components - Compressors, condensers, evaporators, expansion valves, refrigerant piping, and system accessoriesTroubleshoot electrical systems - Motors, contactors, relays, wiring diagrams, sensors, and refrigeration controlsWork with commercial equipment - Walk-in coolers, freezers, supermarket refrigeration systems, ice machines, and cold storagePerform installation and commissioning - Pressure testing, leak detection, evacuation, refrigerant charging, and startup verificationDiagnose and repair faults - Interpret system pressures, superheat, subcooling, airflow problems, and equipment failuresImprove efficiency and reliability - Preventive maintenance, safety practices, refrigerant management, and energy optimizationExplore modern refrigerants - Carbon dioxide (R-744), ammonia (R-717), propane (R-290), and low-GWP technologiesWith illustrated diagrams, engineering calculations, troubleshooting case studies, performance tables, practical examples, and reference materials, this handbook bridges technical knowledge and real-world application.Whether you're an HVACR technician, refrigeration mechanic, apprentice, technical student, maintenance professional, or service engineer, this book provides a valuable resource for developing practical skills and stronger diagnostic confidence.Build the technical knowledge and troubleshooting skills needed to service, repair, and maintain commercial refrigeration systems effectively.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/9/79/816/286/9798162863489_b.jpg", "price_data" : { "retail_price" : "96.49", "online_price" : "96.49", "our_price" : "96.49", "club_price" : "96.49", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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