1、- MIL-HDBK-739 ql W 7997970 0020357 5 M MIL-HRBK-739 18 JUNE 1970 MILITARY STANDAFDIZATION HANDBOOK FIELO REFRIGERATION EQUIPMF;NT SUL OF THE DEPARIMENT OF DEFENSE FSC 4110 4130 6680 6685 i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DEPARTMENT O
2、F DEFENSE WASH DC 20301 MIL-HDBK-739 Field Refrigeration Equipment 1. 2, the Military Standardization Handbook series. This standardization handbook was developed by the Department of Defense. This publication was approved 18 June 1970 for printing and inclusion in 3. This handbook provides inforgat
3、ion and guidance to personnel preparing technical nanuals, technical bulletins and other documents for field use. The handbook is not intended to be referenced in purchase specifications, nor shall it supersede any specification requirements. 4. frigeration eqipment. insure its completenesS.and curr
4、ency. Users of this document are encouraged to report any errors discovered and any recommendations for changes or inclusions to the US Army Natick Laboratories, Natick, MA 01760. - Every effort has been made to reference the latest information on field re- It is the intent to revise this handbook p
5、eriodically to I ii J Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-HDBK-739 41 m 7777770 0020159 7 m MIL-HDBK- 739 FORFWORD The intent of this handbook is to provide fundamental guidelines for field refrigeration equipment. preparation-of tech
6、nicalmauals, technical bulletins and other documents for field use. These guidelines are intended to aid in the -* c 0 Readers are cautioned that this handbook is not intended for procurement puhoses and that information on comercial items is neither complete nor an indorsement of these products. ii
7、i i _- Y - . . _I_ . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-HDBK-737 41 W 7777770 00201bO 5 W MIL-HDBK-739 , TABLE OF CONTENTS t. . . INTRODUCTION SECTION SECTION SECTION I ONE - DESCRIPTION OF MAJOR END ITEMS TWO - DESCRIPTION OF COMPON
8、ENTS THREE - ENGINEERING CRIrllERIA Page 2. - 3 - 52 53 - 82 83 - 137 t 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- _ MIL-HDBK-737 41 m 7777970 0020LbL 7 m - MIL-HDBK-739 .- IMIRODUCTION This handbook was developed to present a composite pictu
9、re under one cover of the standard WD field refrigeration equipment. a general reference in engineering application, standardization and maintenance operations. It is intended to serve as SCOPE standard components utilized in design of these end items and engineering criteria - This handbook covers
10、all major standard field refrigeration end it-s, applicable t component selection -.- CONTrnS - - Section I - Major End Items and systems design. Description of major end items of field refrigeration equipment, including intended use, design features, physical characteristics and reference procureme
11、nt document. Section II - Standard Components Included in this section are all the Military Standards (MS) applicable 3 to field refrigeration equipment. ., -. c- i Specification: MIEp.R-133X Intended Use: - mese refrigeration units are intended for field use under alJ. environmental conditions to p
12、rovLde refrigeration for the prefabricated refrigerators of J4lL-R- General Description: The refrigeration units are completely self-contained and have been designed to utilize miUtary standard components to the mdum dent practicable and insure rugged, reliable and high performance units which are c
13、ompletely compatible with the reqykements of miztary field useo aie configuration of the wfks are such as to psade for ease of minkenance. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-HDBK-739 LI3 m 9999970 0020375 7 m MIL-HDBK-739 - “he units
14、 are ratea when operating in an ambient-temperature of 110 as follows: - 10,000 BTU/Hr at 0% refrigerator temperature 18,000 BTU/Hr at 3597 refrigerator temperature Units are available in three Types: Type I - Gasoline engine driven with automatic control. Powered by a military standard air cooled e
15、ngine or an engine conforming to MIL-E-11275. Type II - Electric motor powered with automatic control. Powered by a 7-l/2 horsepower, 208 Volt, 3 phase, 4 wire, 60 Hertz motor, unit is available for 50 Hertz operation on a when-specified basis. The Type II Type III - Gasoline engine driven with manu
16、al control. Powered by a military standard air cooled engine or an engine conforming to MIL-E-11275. Special Features : Compressor conforms to Type II of MIL-C-14370 and MIL-STD-279. Condenser conforms to Type II, Class 1 of MIL-C-23122 and -_ MIL-STD-759. The compressor, engine or motor and clutch
17、are replaceable as complete assemblies. Urethane insulated heat sheid. Lifting rings Physical Characteristics: Refrigeration Unit Complet e Width 45 inches max. Depth 43 inches max. Height 74 inches max. Weight i300 pounds ma. for Type and III 1100 pounds max. for Type II Evaporator Width Depth Heig
18、ht 37 inches max. i7 inches max. 53 inches max. 16 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Specif i cat ion : MIL-R-43031 Intended Use: These refrigeratian dts are intended for field use, under all envbomental conditions, to provide refrigera
19、tion for the 70 cubic foot portable refrigerator confodng to MIL-R-43024. General Description: These refrigeration units are completely self-contained and have been designed utixzing Mbitary standard componentse as to pro6de for ease of maintenance. ambient temperatwe of llO?l? as follows: The confi
20、guration of the units are such The udts are rated when operating in an 3000 BTU/Hr at OOF refrigerator kernperatme kp 500 BTU/Hr at 35 OF refrigerator t emperatare Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-EIDBK-739 Units are available in
21、two types: Type I - Gasoline engine driven with manual control. by a military standard air cooled engine or an engine conforming to MIL- E-11275. The Type I unit maybe converted to Type II by use of a con- version kit which includes a 3 horsepower electric motor, sheave, starter, on-off switch, high
22、 pressure cut out with automatic reset and other nec- essary components to effect conversion. Powered Type II - Electric motor driven with automatic control. Powered by a 3 horsepower, 208 volt, 3 phase, 60 Hertz motor. Special Features: Compressor conforms to “ype I of MIL-C-14370 and MIL-STD-279.
23、Condenser conforms to Class I, Type V of MIL-C-23122. The compressor, engine or motor and clutch are replaceable as complete assemblies. Urethane insulated heat shield. Skid mounted Lifting eyes. Physical Characteristics: Refrigeration Unit complete Width O/A - 36 inches + -0 Depth O/A - 32 inches 2
24、2 Height (exclusive of lifting eyes) 54 inches max. Weight 1 550 pounds (approx.) Evaporator Section Width O/A - 28 inches +O -4 Depth O/A - i3 inches - il Height O/A - 28 iriches +O ri 1 1 18 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I ! Speci
25、fication: MIL-R-10735 =. Intended Use: These refrigeration units are intended for worldwide Military field service - under severe operational and load conditions, directly exposed to the elements except for the evaporator section. The units are used with sed-trailer refrig- erators for the preservat
26、ion of temperature sensitive products. General Description: The refrigeration units ase completely self-contained and have been designed %o u%ilize military standard components to the maximum dent practicable and insure rugged, reliable and high performance units which are completely compatible with
27、 the requirements of military field use. Ease of maintenance has also been provided for in the design of the urxLts, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-HDBK-737 LJ3 W 9779770 0020377 = MIL-HDBK-739 The units are furnished complete wi
28、th accessories, instruments and necessary controls to permit maintenance of selected temperatures between 35OF and 50F by refrigerant by-pass; to provide sub-zero temperatures without by-pass and to provide manual defrost. ents of the power unit may be made from the front of the unit. Removal of maj
29、or compon- There are three typeS.of refrigeration units rated at 13,500 BTU/Hr at 35% refrigerator temperature and 9,000 BTU/Hr at OF refrigerator temperature with ambient air at ilO?F. Type I: - Gasoline Engine Driven Type II Type III - Refrigeration Unit/Heating Unit Gasoline Engine Driven - Gasol
30、ine Engine and Electric Motor Driven Type I - Refrigeration Unit, Gasoline Engine Drive. Powered by a military standard air coaled engine to an engine conforming to MIL-E-11275. The unit utilizes the hot gas defrosting system. Type II - Refrigeration Unit, Gasoline Engine and Electric Motor Driven.
31、Powered by a military standard air cooled engine conforming to MIL-E-11275 or electric motor operating on 208 Volts, 3 phase, 60 Hertz power supply, both engine and motor are mounted in the condensing section of the unit. The unit utilizes the hot gas defrosting system. Type III - Refrigeration Unit
32、/Heating Unit, Gasoline Engine Driven. Powered by a military standard air cooled engine or an engine conforming to MIL-E-11275. Defrosting is accomplished by the reverse cycle system. In addition to the refrigeration capacity indicated above, the unit has a gross heating capacity of 7,000 BTU/Hr whe
33、n the ambient temperature is minus 259; air entering evaporator 35OF; and the air leaving the eaap- orator 5s not higher than bF. cycle and temperature desired is manual. Maintenance of selected temp- erature is automatic. Selection of refrigeration or heating Special Features : Compressor conforms
34、to Type II of MIL-C-14370 and MIL-STD-279 for all units. Condenser conforms to Type VI, Class 1 of MIL-STD-759 for Type I and II units. The condenser for Type III unit is not specified as a mili- tary standard condenser. Lifting rings 24 Volt storage battery system Controls, gages and meters are vis
35、ible from front of unit. , 20 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-HDBK-739 Physical Characteristics: Units Overall Evaporator Section Width Depth Height Weight Type I & III 42 inches max. 58 inches ma. 60 inches ma. 1000 pounds ma. Ty
36、pe II Type I, II & III 42 inches approx. 58 inches approx. 60 inches approx. 21 -. 11-50 pounds mx. 36 inch +y -4 34 inches max. 27 inches +O 1 -4 - - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-i . Specification: MIL-R-3.2574 Intended Use : Thes
37、e refrigeration dts are intended for field use, under all environmental conditions, to provide refrigeration for the 150 cubic foot refrigerator confodng to mL-%a257n. General Description: The refrigeration units are completely self-contained and have been designed utilizing milLtai-y standard compo
38、nents. such as to provide for ease of maintenance. in an ambient temperature of 1lPF as follows: The configuration of the units are The units are rated when operating 5 o O00 BTU/Hr ai O OF refrigerator temperahre 7,500 BTU/Hr at 35 OF refrigerator temperature Provided by IHSNot for ResaleNo reprodu
39、ction or networking permitted without license from IHS-,-,-MIL-HDBK-737 41 M 7777770 00201B2 4 - - Units are available in three types: Type I -:Gasoline engine driven with automatic controls. Powered by a military standard air cooled engine or an engine conforming to MIL-E- 11275 equipped for automa
40、tic start-stop operation. Type II - Electric motor driven with automatic controls. The motor is a 5 horsepower operated on 208 volt, 3 phase, 60 Hertz power equipped for automatic start-stop operation. Type IV - Gasoline engine driven designed Por continuous operation. High temperature control (35 F
41、 or above) is accomplished by Powered by a military standard air cooled engine or an engine conforming to MIL-E-11275. means of a thermomechanical by-pass valve. The Type Iand IV units can be converted to Type II by means of a conversion kit which includes a 5 horsepower motor, sheave, starter, on-o
42、ff switch, high pressure cut out relay. Special Features : Compressor conforms +o Type I of MIL-C-14370 and MIL-STD-279. Condenser conforms to Class I, Ty-pe V of MIL-C-23122 and MIL-STD-759. The compressor, engine ormotor and clutch-shall be replaceable as complete assemblies. Uretane insulated hea
43、t sheild. Physical Characteristics: Refrigeration Unit Compleee Width 36 inches max. Depth . . 36 inches Height 54 inches max. Weight 5 50 pounds (approx ) - Evaporator Sect ion D imens i ons 28 inches ?$ inch X 28 inches high 23 Provided by IHSNot for ResaleNo reproduction or networking permitted w
44、ithout license from IHS-,-,-I Specification: MIbR-l+0633 Intended Use : -. These refrigeration units areiniended for use at military camp, post and stations under all environmental conditions to provide refrigeration for the prefabricated refrigerators of MIL-R-10932. General Description: The refrig
45、eration units are comprised of a forced air convection un8% cooler and a remotely located, air cooled condensing Wiit. condenser and uxLt cooler must be provided by the instalfing activ2ty. %he unit cooler and the condensing dt are also available as separate units being self- contained writhin their
46、 own housing and having all necessary instruments, acces- sories, controls, etc., to provide proper perfomance as self-contained ts. Tubing to connect the Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-HDBK-737 41 m 7997970 002OLB4 B m MIL-HDBK-
47、739 Military standard parts have been incorporated into the design of both the unit cooler and the condensing unit to the maximum extent practicable. The unit cooler is mounted on a backet provided by the using activity. The refrigeration units are available in two sizes and rated as follows: Size 1
48、 - 5,000 BTU/Hr at OF refrigerator temperature - 9,000 BTU/Hr at 35% refrigerator temperature Size 2 - 10,000 BTU/Hr at OF refrigerator temperature - 18,000 BTU/Hr at 35% refrigerator temperature The condensing unit for the Size 1 refrigeration unit is powered by a 3 horsepower, 208 volt, 3 phase, 60 Hertz motor. is of 5 horsepower. For Size 2, the motor Special Features: Size 1 utilizes Type I, Group B compressor of MIL-C-14370 and MIL-STD-279. Size 2 utilizes me II, Group B compressor of MIL-C-14370 and MIL-SICD-279. Condenser conforms to Type I,
