Table of Contents

Preface
1 Scope
2 Reference publications
3 Definitions and abbreviations
4 System selection and application requirements
5 Equipment design and construction
6 Installation
7 Overpressure protection
8 Maintenance of systems
9 Precautions
Annex A (informative) - Maximum allowable concentration
        of mixtures
Annex B (informative) - Guidelines for emergency discharge
        of refrigerants
Annex C (informative) - Worst-case composition of
        fractionation
Annex D (informative) - Conversion factors
Annex E (informative) - A method for calculating the
        discharge capacity of pressure-relief devices for
        positive displacement compressors
Annex F - Reserved
Annex G - Reserved
Annex H (normative) - Allowable equivalent length of
        discharge piping
Annex I (informative) - CSA B52 Information Bulletin on
        use of hydrocarbon refrigerants in new equipment
        and as drop-in replacements for other classes of
        refrigerants in existing systems
Annex J (normative) - Working with R-744 (CO[2])
        systems - Precautions and potential hazards
Annex K (informative) - Characteristics of carbon
        dioxide
Annex L (Informative) - Infrequently used refrigerants:
        classification, quantity, design pressure, and
        discharge capacity

Abstract

Pertains to: a) all refrigeration systems installed subsequent to its adoption. Also includes refrigeration systems installed in a new or existing premises. Also applies to all premises, including the machinery room if required, in which a refrigeration system is to be installed; b) refrigeration systems that undergo a substitution of refrigerant in a premises defined in Item (a); and c) those parts of a refrigeration system that are replaced in, or added to, systems installed prior to its adoption.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Canadian Standards Association
Pages
ISBN
Superseded By	CSA B52 : 2018