CSA C22.2 NO. 140.2:96 (R2021)

Preface

This is the second edition of the Standard for Hermetic Refrigerant Motor-Compressors, published under the dual designation CSA-C22.2 No. 140.2-96 and UL 984. This Standard will supersede the following Standard:

(a) CSA Standard CAN/CSA-C22.2 No. 140.2-M91; and

(b) UL Standard 984, Sixth Edition, October 31, 1991.

This Standard addresses safety requirements and industry concerns for hermetic refrigerant motor-compressors.

This common Standard was prepared by Canadian Standards Association, Underwriters Laboratories Inc., and the heating and cooling equipment industry. The efforts and support of the Air Conditioning and Refrigeration Institute (ARI) and the Heating, Refrigerating and Air Conditioning Institute of Canada (H RAt) are gratefully acknowledged.

This Standard was

(a) reviewed by the CSA Subcommittee of the Technical Committee on Consumer and Commercial Products under the jurisdiction of the CSA Standards Steering Committee on the Canadian Electrical Code, Part II, and was formally approved by these Committees; and

(b) processed according to the method of development, revision and implementation of UL Standards for Safety.

This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.

Scope

1.1

This Standard applies to hermetic refrigerant motor-compressors (hereinafter referred to as motor-compressors) rated 7200 V or less, for use in air-conditioning and refrigerating equipment that comply with the Standards applicable to such equipment.

1.2

This Standard also applies to motor protection systems that may be provided with motor-compressors.

1.3

This Standard does not include additional requirements applicable to equipment designed for use in hazardous locations as defined in the National Electrical Code, ANSI/NFPA 70-1996, and the Canadian Electrical Code, Part I.

1.4

The values given in SI (metric) units are the standard. The values given in parentheses are for information only.

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