Purpose. The purpose of this standard is to establish,
for positive displacement refrigerant compressors and
compressor units for refrigeration applications: definitions;
requirements for testing, rating and operating; minimum
data requirements for published ratings; marking and
nameplate data; and conformance conditions.

Purpose. The purpose of this standard is to establish,
for positive displacement refrigerant compressors and
compressor units for refrigeration applications: definitions;
requirements for testing, rating and operating; minimum
data requirements for published ratings; marking and
nameplate data; and conformance conditions.