The most comprehensive professional guide to servicing refrigeration systems--with complete details on alternative refrigerants Packed with essential information on all aspects of servicing modern commercial and domestic refrigeration systems, this pragmatic manual is the perfect field reference for apprentices and practicing technicians. Written in simple language and filled with helpful, instructive illustrations, it introduces you to equipment and tools of the trade and provides you with an overview of the science of refrigeration. You also get a throrough review of electrical principles, as well as practical analyzes of the physical components and control systems used in refrigeration equipment. You'll find in-depth coverage of essential techniques used with tubing--with vital information on bending and brazing techniques, joint design, and laying out and installing tubing runs. Other topics covered in detail include: Refrigeration identification and numbering systems; CFC/HCFC phase-out regulations and retrofitting procedures; Refrigerant pressure-enthalpy (mollie) diagrams; Recovering refrigerant from systems; Purging refrigerant lines; Calculating refrigeration loads (with example calculations provided). . .and more. You will also find chapters focusing on specific types of equipment encountered routinely on the job, such as domestic units, commercial reach-in and walk-in units, supermarket refrigeration equipment, ice-makers, water coolers, and others.