1、 NIL-PRF-LIJR 94999Ob 2022003 b24 INCH-POUND I 31 July 1996 SUPERSEDING 19 June 1992 25 May 1988 MIL-PRF-133 12R MIL-R-O0133 12P (GL) MIL-R- 1 3 3 12N PERFORMANCE SPECIFICATION REFRIGERATION UNITS, MECHANICAL, PANEL MOUNTED, 10,000 BTU FOR REFRIGERATOR, PREFABRICATED, PANEL TYPE This specification i
2、s approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This document covers two types of panel mounted, mechanical, refrigeration units having a capacity of 10,000 British thermal units (Btu) per hour and used with the prefabricated, panel type refiigera
3、tor (see 6.1). 1.2 Classification. The refrigeration units shall be of the following types as specified (see 6.2): Type I - Diesel Engine Driven Type II - Electric Motor Driven 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specifi
4、cation. This section does not include documents cited in other sections of this specification or Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, U.S. Army Natick Research, Development
5、, and Engineering Center, Natick, MA 01760-501 8 by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC NIA FSC 4110 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-PRF-
6、13312R 9999406 2022004 560 MIL-PRF- 133 12R recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of this specifi
7、cation, whether or not they are listed. 2.2 Government documents. 2.2.1 Standards. The following standards form part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specific
8、ations and Standards (DoDISS) and supplement thereto, cited in the solicitation (see 6.2). STANDARDS DEPARTMENT OF DEFENSE MIL-STD-46 1 MIL-STD-462 MIL-STD-8 1 O MIL-STD-1474 (Unless otherwise indicated, copies of the above standards are available from the Standardization Document Order Desk, 700 Ro
9、bbins Avenue, Building 4D, Philadelphia, PA - Requirements for the Control of Electromagnetic Interference - Measurement of Electromagnetic Interference Characteristics - Environmental Test Methods and Engineering Guidelines - Noise Limits for Military Materiel (Metric) Emissions and Susceptibility
10、191 11-5094). 2.3 fi n blica ons. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DoD adopted are those listed in the issue of the DoDISS cited in the solicitation. Unless otherwise specified, the
11、issues of documents not listed in the DoDISS are the issues of the documents cited in the solicitation (see 6.2). NATIONAL, ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA) MG-1 - Motors and Generators (Application for copies should be addressed to the National Electrical Manufacturers Association, 1300
12、No. 17th Street, Suite 1847, Rosslyn, VA 22209). 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-133L2R 9999906 2022005 4T7 MIL-PRF- 1 3 3 12R NATIONAL FIRE PROTECTION ASSOCIATION (NFPA) Standard No. 70 - National Electrical Code (Applicati
13、on for copies should be addressed to the National Fire Protection Association, One Battery March Park, Quincy, MA 02269-9 1 O 1). UNDERWRITERS LABORATORIES INC. (UL) Standard 207 - Refrigerant Containing Components and Accessories, Nonelectrical Standard 486 - Wire Connectors and Solder Lugs (Applic
14、ation for copies should be addressed to the Underwriters Laboratories, Inc., 333 Pfingsten Road, Northbrook, IL 60062-2096). 2.4 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in t
15、his document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained, 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in accordance with 4.1.1. 3.2 Design. materials. and manufacturing pro
16、cesses. Unless otherwise specified, the design, materials, and manufacturing process selection is the prerogative of the contractor as long as all articles submitted to the Government fully meet the requirements specified. 3.3 ODerating reauirements. Refrigeration units shall satis the following fun
17、ctional, operational and performance requirements. 3.3.1 $:hour oDeration. Refrigeration units shall operate properly with suction and discharge pressures safely controlled. 3.3.2 72-hour operation. Refrigeration units shall operate properly and maintain noted conditions at thermostat settings of OF
18、 and 35F. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- NIL-PRF-13312R 9999906 2022006 333 E MIL-PRF-13312R . 3.3.3 Refrigeration capacity. Refrigeration units shall have minimum net capacities of 10,000 BtLJ/hr at a thermostat setting of OF and
19、 18,000 Btu/hr at a thermostat setting of 359. 3.3.4 Defrost svstem. Refrigeration units shall have a defrost cycle automatically initiated by a time control adjustable between 6 and 24 hours and producing not less than 1 O pounds of condensate within 30 minutes. 3.3.5 Moisture content. The moisture
20、 content of the refrigeration system shall be kept at a minimum to maintain proper operation of the refrigeration unit. 3.3.6 Refirrerant leakage. Refrigerant containing components shall be gastight. 3.3.7 Operation time. Type I refrigeration units shall operate for a minimum of 44 hours without ref
21、ueling. 3.3.8 Design reliability. Refrigeration units shall operate properly for 2500 hours. 3.3.9 Ozone-depleting substances. The refrigerant shall be commercially available nonozone- depleting, and environmentally safe. Class I ozone-depleting substances, as determined by the Environmental Protect
22、ion Agency, shall not be contained in, and shall be prohibited fiom use during the fabrication of, the refrigeration units (see 6.6). 3.3.1 O TemDerature control. The selected temperature of the refrigeration units shall be controlled automatically. The temperature control shall allow an incremental
23、 selection of normal refrigerator temperatures. 3.3.1 1 Diesel engine. Unless otherwise specified for type I refrigeration units (see 6.2), the diesel engines electrical system shall operate on 12-volt direct current (DC). The engine shall operate on diesel and JP-8 fuels. 3.3.12 Compressor. Unless
24、otherwise specified for type II refrigeration units (see 6.2), the compressor shall operate on 208/230 volt, 3-phase, 60-hertz (Hz) and 3-phase, 50-Hz power on the voltage specified in the contract or order (see 6.2). 3.3.13 Sdety. The refrigeration units shall minimize flammability, operational, to
25、xic and personnel hazards. 3.4 Ownership and suport requirements. Refrigeration units shall meet the following requirements. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-PRF-13312R 799Ob 2022007 27T MIL-PRF- 1 33 12R 3.4.1 Weight. The net w
26、eight of the refiigeration units, including oil and refrigerant, shall be not more than 1300 pounds for type I units, excluding the battery and fuel, and not more than 1100 pounds for type II units. 3.4.2 Transnortability. Refiigeration units shall be able to be lifted at the top of the unit to allo
27、w loading and unloading for transport and operational setup. 3.4.3 Control panel. The refigeration units shall have a control panel for the operator having, but not limited to, the following items: 1. Start, run, stop switch 2. Operation indicator 3. Refiigerator temperature control 4. Refiigeration
28、 unit running time indicator 5. Pressure reading indicators 6. Refrigerator interior temperature indicator 7. Defrost operation indicator 8. Fuel capacity indicator for type I units 9. Battery charging circuit voltage indicator for type I units 3.4.4 Service and maintenance. All major components sha
29、ll be accessible for adjustment, maintenance, servicing, and replacement without removing any other major component. All other components and assemblies shall be designed for ease of installation and replacement and shall be accessible for maintenance, repair, service and replacement with minimum di
30、sturbance to adjacent components. No special tools shall be needed for any maintenance, repair, service, installation or replacement action. Operator personnel shall be able to visually check the moisture content of the refrigeration system on all refiigeration units and the compressor crankcase oil
31、 level on type I units. 3.4.5 Finish. The refiigeration units except where detrimental to proper operation shall have a nontoxic chemical agent resistant green finish (see 6.7.1). The word “CARC“, together with the month and year of finishing, shall be stencilled near the identification plate in blo
32、ck letters not less than 1 inch high using lusterless black chemical agent resistant paint (see 6.7.2) All paint shall be properly applied . 3.4.6 Marking. Identification, instruction, control and gage plates shall be of corrosion-resistant material permanently attached to the outside of the refiige
33、ration unit. Numbering and lettering shall be legible and permanently inscribed and shall be no less than 1/16 inch in height. All plates shall blend with the framed enclosure finish and shall have a nonreflective surface. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted withou
34、t license from IHS-,-,- MIL-PRF-13312R 9999906 2022008 Lob MIL-PRF-13 3 12R 3.4.6.1 Identification plate. The identification plate shall contain the following information: 1. 2. 3. 4. 5. 6. 7. 8. 9. U.S. Military model number and nomenclature National Stock Number (NSN) Serial number Contract number
35、 Manufacturers name and address Manufacturers model number Commercial and Government Entity (CAGE) number Technical manual number, if applicable, (see 6.2 and 6.5) 10. Weight 11. Refrigerant used 3.4.6.2 Instruction plates. Instruction plates shall contain the wiring and refrigeration cycle diagrams
36、, instructions for start-up, operation, shutdown and preventive maintenance. 3.4.6.2.1 Electrical instruction plate. Type II refrigeration units shall have an electrical instruction plate conforming to all requirements of 3.4.6, except it shall be located near the electrical supply junction box. The
37、 plate shall be visible from outside the refrigeration unit and shall contain the wording “For 60-hertz operation use 208230 volt, 3-phase power source only. For 50-hertz operation use “XI volt, 3-phase power source only.“ The voltage specified in the contract or order (see 6.2) for 50-hertz operati
38、on shall be marked in the “x“ location. 3.4.6.3 Control and gage nameplates. All controls and gages shall have identieing nameplates. 3.4.6.4 -wiring. Electrical wiring shall be marked to allow identification with the wiring diagram. 3.4.7 Interchangeability. All component parts of the refrigeration
39、 Unit shall be interchangeable with the same parts of other units furnished under the same contract. 3.5 Operating environment requirements. Refrigeration units shall operate under the following environmental conditions. 3.5.1 Ambient temperature. The refrigeration units shall operate in ambient tem
40、peratures fi-om OF to 125F. 3.5.2 Rainfall. The refrigeration unit shall operate in rainfall of not less than 3 inches per hour. 3.5.3 Shock and vibration. The refrigeration units shall be operable after being subjected to shock and vibration. 6 Provided by IHSNot for ResaleNo reproduction or networ
41、king permitted without license from IHS-,-,-MIL-PRF-13312R 999990b 2022009 042 MIL-PRF-133 12R 3.5.4 Electromagnetic compatibility. When specified (see 6.2), the type I and type II refrigeration units shall not exceed radiated emission El 02) limits for ground applications (Navy fixed and AF) over a
42、 range of 2 megahertz (Mh) to 400 Mh. When specified (see 6.2), type II refrigeration units shall not exceed conducted emission (CE1 02) limits. 3.5.5 Storage conditions. The refrigeration units shall remain operable after storage in temperatures of minus 659 to plus 155F. 3.5.6 Noise level. The noi
43、se levels at personnel “operators and “servicing“ positions shall not damage personnel hearing. 3.5.7 Corrosion resistance. The refrigeration units shall operate after exposure to a salt fog atmosphere. 3.6 Interface requirements. The refrigeration units shall be designed for use with prefabricated
44、refrigerators (NSN 41 10-00-73 1-3247) (see 6.1) and shall have overall dimensions no greater than those shown on figure 1. 4. VERIFICATION 4.1 Classification of inspections. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.1.1) b. Conformanc
45、e inspection (see 4.1.2) 4.1.1 First article inspection. When a first article inspection is required (see 3.1 and 6.2), a sample shall be examined for all the verifications listed in table I. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-PRF
46、-13312R = 9999906 2022030 8b4 M Title OPERATMG REQUIREMENTS 4-hour operation 72-hour operation Re figeration Defrost system Moisture content Refigerant leakage capacity Requirement 3.3 3.3.1 3.3.2 3.3.3 3.3.4 3.3.5 3.3.6 Marking Identification plate Insruction plates Electrical instruction plate Con
47、trol and gage nameplates Electrical wiring 3.4.6 3.4.6.1 3.4.6.2 3.4.6.2.1 3.4.6.3 3.4.6.4 OPERATING ENVIRONMENT REQUIREMENTS Ambient temperature Rainfall Shock and vibration Electromagnetic compatibility Storage conditions 3.5 3.5.1 3.5.2 3.5.3 3.5.4 3.5.5 MIL-PRF-133 12R TABLEI. Ve. Verification I
48、 Title I Requirement Verification 4.3.2 3.4.5 I Finish I 4.3.3.5 4.3.2.1 4.3.3.6 4.3.2.2 4.3.3.6.1 4.3.2.3 4.3.3.6.2 4.3.3.6.2.1 4.3.2.4 4.3.2.2d 4.3.3.6.3 4.3.3.6.4 4.3.2.2d 4.3.2.2e Interchangeability 3.4.7 I 4.3.3.7 4.3.2.5 Design reliability 3.3.8 Ozone-depleting substances 3.3.9 4.3.4.1 4.3.2.6
49、 Temperature control 3.3.10 4.3.2.7 4.3.4.2 Diesel engine operation (type I) 3.3.1 1 4.3.2.8 4.3.4.3 Compressor operation (type II) 4.3.2.9 4.3.4.4 3.3.12 Safety 4.3.2.10 4.3.4.5 3.3.13 3.4 4.3.3 4.3.4.6 OWNERSHIPAND SUPPORT REQUIREMENTS Noise level 3.5.6 4.3.3.1 Weight Corrosion resistance 3.5.7 4.3.4.7 4.3.5 3.4.1 3.4.2 I Transportability 4.3.3.2 INTERFACE Control panel I 3.4.3 4.3.3.3
