1、 MIL-PRF-32017 m 999990b 20b1)037 bTb m I INCHPOUND I MIL-PRF-320 17 1 December 1997 PERFORMANCE SPECIFICATION REFRIGERATION SYSTEM, ADVANCED DESIGN This specification is approved for use by the Department of the Air Force, and is avails_ for use ail Departments and Agencies of the Department of Def
2、ense. Y 1. SCOPE 1.1 Scope. This specification covers the performance requirements for an Advanced Design Refiigeration (ADR) system consisting of an Insulated Container (IC) and an electrically driven Refiigeration Unit (RU). 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section
3、 are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or those recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are
4、 cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents 2.2.1 Standards. The following Government standards form a part of this document to the extent specified herein. Unless otherw
5、ise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation (6.2). Beneficial comments (recommendations, additions, deletions) and any pertinent data which may
6、 be of use in improving this document should be addressed to: HQ, AFSVA/SVOSR, 10100 Reunion Place, Suite 401, San Antonio, TX 78216-4138 by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC NIA FSC 41 10 Provided by IHSNo
7、t for ResaleNo reproduction or networking permitted without license from IHS-,-,- - MIL-PRF-32017 = 9999906 2ObYOL 532 MIL-PRF-320 17 STANDARDS DEPARTMENT OF DEFENSE MIL-STD-209 - Slinging and Tiedown Provisions for Lifting and Tying Down Military Equipment MIL-STD-46 1 - Requirements for the Contro
8、l of Electromagnetic Interference Emissions and Susceptibility MIL-STD-462 - Measurement of Electromagnetic Interference Characteristics MIL-STD-8 1 O - Environmental Test Methods and Engineering Guidelines MIL-STD-1474- Noise Limits for Army Materiel (Metric) MIL-STD-1791- Designing for Internal Ae
9、rial Delivery In Fixed Wing Aircraft (Unless otherwise indicated, copies of the above standards are available fiom the Standardization Documents Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19 1 1 1-5094). 2.2.2 Other Government documents. The following other Government documents fo
10、rm a part of this document to the extent specified herein. Unless otherwise specified, the issues are those listed in the solicitation (see 6.2). DEPARTMENT OF DEFENSE AFSC DH 1-1 1 - AFSC Design Handbook 1-11, Air Transportability (Application for copies should be addressed to ASDENESS, Wright-Patt
11、erson AFB, OH 45433). DEPARTMENT OF TRANSPORTATION (DOT) Code of Federal Regulations Title 49 CFR - Transportation, Parts 450-45 1 (Application for copies should be addressed to the Department of Transportation, Superintendent of Documents, Government Printing Office, Washington, DC 20440). 2 Provid
12、ed by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-PRF-32017 m 9999906 2064039 479 m MIL-PRF-32017 2.3 Non-Government publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise specified, the
13、issues of the documents which are DoD adopted are those listed in the issue of DoDISS cited in the solicitation. Unless oherwise specified, the issues of documents not listed in the DoDISS are the issues of the documents cited in the solicitation (see 6.2). NATIONAL FIRE PROTECTION ASSOCIATION (NFPA
14、) Standard No. 70 - National Electrical Code (Application for copies should be addressed to the National Fire Protection Association, One Battery March Park, Quincy, MA 02269-9101). NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA) Standards Publication No. 250 - Enclosures for Electrical Equipme
15、nt (Application for copies should be addressed to the National Electrical Manufacturers Association, 1300 No. 17th Street, Suite 1847, Rosslyn, VA 22209). UNDERWRITERS LABORATORIES INC. (U.,) Standard 207 - Refngerant Containing Components and Accessories, Nonelectrical Standard 486 - Wire Connector
16、s and Solder Lugs (Application for copies should be addressed to the Underwriters Laboratories, Inc., 333 Pfmgsten 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
17、precedence. Nothing in this 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 ODeratina reauir
18、ements. The ADR system shall satis the following functional, operational and performance requirements. 3.2.1 4-hour operation. The RU shall operate properly with suction and discharge pressures safely controlled. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license
19、from IHS-,-,- M1L-PRF-320l17 9999906 2ObYO20 190 W MIL-PRF-32017 3.2.2 Heat leakage. Heat Siltration or loss through the IC shall be minimized with an overall U factor not exceeing 15 Btu/hr/“F. 3.2.3 Refrigeration capacity. The RU shall have minimum net capacities of 3,000 Btu/hr at a thermostat se
20、tting of 0F and 5,000 Btu/hr at a thermostat setting of 35F. 3.2.4 Heating capacity. The gross heating capacity of the RU shall not be less than 700 watts at a thermostat setting not less than 45F. 3.2.5 Moisture content and refrigerant leakage. The moisture content of the refrigeration system shall
21、 be kept to a minimum to maintain proper operation of the RU and refrigerant containing components shall be gastight. 3.2.6 Defrosting. The RU shall have a defrost cycle terminated by temperature and automatically initiated by a time control adjustable between 4 and 24 hours. The defrost system shal
22、l produce no less than 6 pounds of condensate within 30 minutes. The defrost system shall have provisions for manual defiost override. 3.2.7 Sdety. The IC shall minimize flammability, and operational, toxic and personnel hazards. 3.2.8 Air circulation. The interior of the IC shall facilitate cold ai
23、r circulation underneath and around items stored in the IC. 3.2.9 Drainacre and watertightness. The IC shall be watertight and capable of being drained with the door open. 3.2.1 O Pressure relief. The IC shall maintain internal pressure equal to outside pressure. 3.2.1 1 Door. The door shall open ou
24、tward and shall be flush with the IC exterior when closed. The door opening shail be a minimum 78 inches in height and 36 inches in width. Exted hardware shall be protected fiom damage. Means shall be provided to hold the door in the full open position. 3.2.12 Door handle and latch. The door shall h
25、ave an external handle which shall operate a heavy duty locking device which shall securely hold the door in the closed position during all modes of shipment and rough handling. The latch shall have provisions to accept a padlock. With the padlock in place, the door shall be incapable of being opene
26、d fiom the outside. The door shail have an internal release handle to allow the door to open fiom the inside to permit a person in the IC to exit when the IC is padlocked on the outside. The handle and latch shall be protected from damage during shipping. 4 Provided by IHSNot for ResaleNo reproducti
27、on or networking permitted without license from IHS-,-,- MIL-PRF-32037 9999906 2064023 027 9 MIL-PRF-320 17 3.2.13 Interior light. The IC shall have a vapor proof lighting fixture mounted on the interior of the IC. The fixture shall have a protective cover which is shatterproof and removable without
28、 tools for bulb replacement. The fixture shall accept and be supplied with a 1 O0 watt, 120-volt incandescent light bulb. The switch for the light shall be located inside and adjacent to the door and shall be vapor tight and protected from damage. 3.2.14 Pilot lieht. The IC shall be furnished with a
29、 pilot light enclosed in a vapor tight housing which illuminates red when the interior light switch is in the “on” position. The pilot light shall be located externally, adjacent to the door, and shall be protected from damage. 3.2.15 Temperature indicator. A temperature indicator shall be provided
30、and mounted with the face on the exterior fiont of the IC adjacent to the walk-in door and protected from damage. The sensing element shall be located to give an approximate mean temperature of the IC interior. The temperature indicator shall be capable of providing readings for all temperature rang
31、es encountered during operation of the IC unit as a refrigerator. 3.2.16 Control panel. The IC shall have a recessed control panel located in an accessible location on the outside of the IC. The control panel shall consist of a start and stop control, operation indicator, refrigerator temperature co
32、ntrol, hour meter, high and low side pressure indicators, refrigerator interior temperature indicator, manual defrost control, defrost operation indicator, heating cycle operation indicator, refiigeration cycle operation indicator and power supply circuit breaker. 3.2.17 Refrigerant. The refrigerant
33、 shall be commercially available, non-ozone depleting, and environmentally safe. Class I ozone-depleting substances, as determined by the Environmental Protection Agency (EPA), shall not be contained in, and shall be prohibited from use during the fabrication of the ADR system (see 6.6). 3.2.18 Powe
34、r. Unless otherwise specified (see 6.2), the RU unit shall operate on a 208/230 volt, 3 phase, 50/60-Hertz (Hz), 30 amp, 5-wire power supply. A manually resettable 3-pole circuit breaker shall be wired at the incoming power connection. 3.2.19 Power supply cable and cable connector. The RU shall be s
35、upplied with a 25-foot power cable permanently attached to the outside of the RU, which shall be storable within the envelope dimensions of the ADR system. The cable shall have a power supply connector as specified in the contract (see 6.2). 3.2.20 Temperature control. The selected temperature of th
36、e ADR system shall be controlled automatically. The temperature control shall allow incremental selection of normal refrigerator temperatures. When temperatures below 20F are selected, the heating mode shall not operate. 3.2.21 Temperature recorder. When specified (see 6.2), a temperature recorder s
37、hall be provided that will record the mean interior temperature of the IC for a minimum of 7 days. The recorder shall operate with or without electrical power to the RU. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- NIL-PRF-320L7 0b 2064022 Tb3
38、MIL-PRF-320 17 3.3 SUD DO or ownership reauirements. The ADR system shall meet the following requirements. 3.3.1 Weight and internal dimensions. The empty weight of the ADR system, including shelving, shall not exceed 3200 pounds and the minimum interior volume shall be 330 cubic feet with the RU in
39、 place. 3.3.2 Structural requirements. The ADR system shall be structurally suitable for conveyance by road, rail, sea, and air as an internal load on fixed wing aircraft and as an external load on helicopters, including interchange among these forms of transportation. The ADR system shall be compat
40、ible with the 463L air cargo material system for handling cargo on the ground and in C-130, C-141, C-5A and C-17 aircraft. The base of the IC shall interface with the rail system used aboard the said aircraft for securing the ADR system during flight. The base shall be constructed as an integral par
41、t of the IC and each protruding edge of the base shall be capable of being removed for replacement when damaged. 3.3.3 Cargo tie-downs. The interior floor shall have tie-down provisions. 3.3.4 Shelvins. The IC shall contain shelving with a minimum total storage area of 120 square feet. Each shelf sh
42、all be capable of supporting a load of 600 pounds and the shelving system shall be capable of holding six human cadavers in body bags without contacting one another. Shelving shall be removable to facilitate cleaning and shall be capable of being positioned on any one or all walls of the IC except t
43、he wall with the door. Shelving shall be capable of being secured in the IC to withstand all transport and dynamic requirements. 3.3.5 Finish. The ADR system, except where detrimental to proper operation, shall have a nontoxic chemical agent resistant finish (see 6.8.1). The word “CARC“ together wit
44、h the month and year of finishing, shall be stencilled near the identification plate in block letters not less than 1 inch high using lusterless chemical agent resistant paint (see 6.8.2). All paint shall be properly applied. The color of the finish paint and stencilling paint shall be as specified
45、in the contract or order (see 6.2). 3.3.6 Sam -tay requirements. The interior surface of the IC shall facilitate cleaning. 3.3.7 Interchangeability. Component parts of the ADR system which are replaceable shall be interchangeable with the same parts of other ADR systems furnished under the same cont
46、ract. 3.3.8 Service and maintenance. All major components shall be accessible for adjustment, maintenance, servicing, and replacement without removing any other major component. AU other components and assemblies shall be designed for ease of installation and replacement and shall be accessible for
47、maintenance, service, and replacement with minimum disturbance to other components. No special tools shall be needed for any maintenance, repair, service, installation or replacement action. Condenser and evaporator fins shall be protected fkom any damage that might occur during service and maintena
48、nce actions. Operating personnel shall be able to visually check the moisture content of the refjigeration system and oil levels. All points requiring lubrication shall be equipped with standard 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-
49、PRF-320L7 0b 2064023 TT MIL-PRF-320 17 fittings and shall be accessible from the outside of the unit. Each unit shall have the fittings or location tagged to indicate the temperature and grade of lubricant used and recommended frequency of lubrication. The RU shall be equipped with forklift pockets to facilitate removal from the IC. 3.3.9 Marking. Identification, instruction, control, and gage plates shall be of corrosion
