Note-this class includes only complete refrigeration equipment, whether refrigerated from an integral or remote mechanical refrigeration unit or system. also included in this class are refrigeration plants, and complete "packaged" refrigeration units and systems containing a power driven compressor, condenser, evaporator, and all other necessary components to refrigerate an enclosed space. nonoperating accessories such as ice trays, shelves, and panels are included in this class. excluded from this class are operating components, assemblies, parts, attachments, or accessories, for use in or on complete refrigeration equipment, plants, systems, or the "packaged" refrigeration units, and which are to be classified in class 4130, or as otherwise specifically prescribed by the indexes and structure of the fsc. Includes grocery type display cases; ice cream cabinets; drinking fountains (except portable and stationary types classified in class 4510); professional and scientific refrigerators; rivet coolers; photographic refrigerators; mortuary refrigerators; household and commercial refrigerators; grocery type showcases; and other types of refrigeration equipment of the commissary or food store type. Excludes cafeteria type refrigerated display cases; soda fountains; milk, soda, and/or ice cream dispensers; cold food counters; carbonators; combination heated-refrigerated food serving equipment; cafeteria type showcases; chilling equipment used for display and serving of food (see class 7310 for these items). also excluded from this class are refrigeration components (see class 4130).