This standard applies to Non-Condensable Gas
Purge Equipment for use with Low Pressure Centrifugal
Liquid Chillers as defined in Section 3. This standard defines
general equipment requirements, test methods and analysis
techniques used to determine the performance rating for
Purge Equipment that remove Non-Condensable gases from
Low Pressure Centrifugal Liquid Chillers. This purge
equipment is typically used in conjunction with chillers
which operate with at least a portion of the system below
atmospheric pressure.