Description 2018 ASHRAE Handbook-Refrigeration

Date: 21 June 2018
The 2018 ASHRAE Handbook—Refrigeration covers the refrigeration equipment and systems for applications other than human comfort. This volume includes data and guidance on cooling, freezing, and storing food; industrial and medical applications of refrigeration; and low-temperature refrigeration.

 Some of this volume’s revisions are described as follows
  • Chapter 1, Halocarbon Refrigeration Systems, has added history, background, and application information, and copper piping tables were modified to remove sizes that are not be feasible for field-sweated installations.
  • Chapter 6, Refrigerant System Chemistry, has been updated for new research and new refrigerants, as well as added content on lubricants.
  • Chapter 7, Control of Moisture and Other Contaminants in Refrigerant Systems, has added content on how to determine water capacity needed, and on desiccant heating during adsorption.
  • Chapter 8, Equipment and System Dehydrating, Charging, and Testing, added a description of leak testing with a handheld mass spectrometer.
  • Chapter 9, Refrigerant Containment, Recovery, Recycling, and Reclamation, has been updated with information on equipment for handling multiple refrigerants.
  • Chapter 10, Insulation Systems for Refrigerant Piping, has new content on the use of low-permeance vapor retarder materials in various combinations.
  • Chapter 11, Refrigerant Control Devices, has revised content on four-way reversing valve operation.
  • Chapter 15, Retail Food Store Refrigeration and Equipment, contains extensive updates covering industry statistics, current operational practice, standards, optimum temperature difference (TD) for humidity control, refrigerant regulations, and new types of equipment.
  • Chapter 16, Food Service and General Commercial Refrigeration Equipment, has been updated for currently available equipment features.
  • Chapter 17, Household Refrigerators and Freezers, has been updated for current test standards and equipment types, with added content on refrigerants and foam-blowing agents.
  • Chapter 18, Absorption Systems, has been updated throughout and includes many new figures to show system configurations.
  • Chapter 24, Refrigerated-Facility Loads, has new guidance on vapor retarder design approaches.
  • Chapter 25, Cargo Containers, Rail Cars, Trailers, and Trucks, has updated references and guidance reflecting current technologies, including data transmission.
  • Chapter 27, Air Transport, has a major new section on hybrid environmental control systems.
  • Chapter 44, Ice Rinks, updated for current practice, also has new information on heat recovery design.
  • Chapter 46, Refrigeration in the Chemical Industry, contains new guidance on insulation design and standards.
  • Chapter 47, Cryogenics, has an update on insulation used for cryogenic systems.
  • Chapter 48, Ultralow-Temperature Refrigeration, has an update on insulation used for ultralow-temperature systems.
  • Chapter 50, Terminology of Refrigeration, has been updated for changes in definitions from IIAR, OSHA, and EPA sources.
  • Chapter 51, Codes and Standards, lists current versions of selected publications from ASHRAE and others. Publications are listed by topic, and full contact information for publishing organizations is included.
This volume is published, as a bound print volume and in electronic format on CD-ROM and online, in two editions: one using inch-pound (I-P) units of measurement, the other using the International System of Units (SI).

Corrections for this volume will be listed in subsequent volumes and on the ASHRAE website.

Reader comments are enthusiastically invited. To suggest improvements for a chapter, please comment using the form on the ASHRAE website or, using the cutout page(s) at the end of this volume’s index, write to Handbook Editor, ASHRAE, 1791 Tullie Circle, Atlanta, GA 30329, or fax 678-539-2187, or e-mail
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