A-A-52192
1.3 CID based part identification number (PIN). A document based PIN to identify the type, size, class, style, and service of items is included in section 5. This identification numbering procedure is for Government purposes and does not constitute a requirement for the contractor except as information on “Government unique” data nameplates (see 5.3).
2. SALIENT CHARACTERISTICS
2.1 Design and construction. The carbonated beverage dispensers shall be mechanically refrigerated, either gravity syrup feed or pressure syrup feed type, and shall be of a counter model style; floor model, self-contained style; or a floor model style with syrup and carbon dioxide systems remotely located. The dispensers may be specified to have three, four, or five dispensing heads for either single line or dual line feeding services.
2.1.1 Refrigeration unit. The refrigeration unit shall consist of a compressor, condenser, pump, ice bank (when used), carbonator, and electrical and plumbing connections. The refrigeration unit shall be completely self-contained, precharged and wired with a hermetically sealed compressor unit that shall be capable of maintaining a continuous drink temperature of 40°F and under at the dispensing head, and shall conform to ASHRAE Standard 91. Unless otherwise specified (see 5.2), the unit shall operate on a nominal water pressure of 62 pounds per square inch gage (psig), and if required shall be provided with a water pressure regulator (see 5.2). The unit shall be provided with quick disconnect fittings for cold water, syrup, and the carbon dioxide gas supply.
2.1.1.1 Ozone depleting substances. Class 1 ozone depleting substances in accordance with section 602 (a) of the Clean Air Act Amendments 1990 42 USC 7671a(a) as implemented by 40 CFR 82, Protection of Stratospheric Ozone, shall not be used for refrigerant gases, or for any other purpose, or employed in any process associated with the manufacture of any component parts for this item.
2.1.2 Dispenser cabinet. The cabinet shall be fabricated of materials and components of the quality normally used by the manufacturer in his standard commercial dispensers provided the completed end item complies with all provisions of this document. Dispensing valves shall be electronically operated and shall be equipped with solenoids rated for continuous duty. Each valve shall be easily removable with basic hand tools for servicing without interrupting the operation of the other dispensing valves. Easily accessible connections with quick disconnect ball lock fittings shall be provided for cold water, syrup, and carbon dioxide supply, and all fittings shall be non-interchangeable with each other. A removable drain pan and perforated tray shall be provided under the dispensing valves. The drain pan shall be removable without any special tools and shall have a drain hole capable of being left open or closed. When specified (see 5.2), dispensers shall be equipped with key lock switches. Each dispenser shall be furnished with two keys. The key lock switches shall be located on an outside surface and be accessible from the front of the dispenser.
2. 1.3 Dispensers.
2.1.3.1 Type I dispenser. The type I dispenser shall be a mechanically refrigerated gravity syrup feed, countertop unit, capable of dispensing carbonated and non-carbonated beverages and water. The type I dispenser performance rate shall be three 6-ounce drinks per minute.
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