scope:

This standard applies to encased direct expansion vapor compression type Mechanical Transport Refrigeration Units with the following components:

Compressor

Air-cooled condenser

Refrigerant flow control(s)

Forced-Circulation Air-Cooler

Base or frame

Prime Mover as described in the unit manufacturer's literature

Power Train (coupling, power take-off, transmission, V-belt drive, etc.) connecting the unit to the Prime Mover

Purpose. The purpose of this standard is to establish for Mechanical Transport Refrigeration Units: definitions; test requirements; rating requirements; minimum data requirements for Published Ratings; operating requirements; marking and nameplate data; and conformance conditions.

Intent. This standard is intended for the guidance of the industry, including manufacturers, engineers, installers, contractors and users.

Review and Amendment. This standard is subject to review and amendment as technology advances.