1、Designation: F 1495 05An American National StandardStandard Specification forCombination Oven Electric or Gas Fired1This standard is issued under the fixed designation F 1495; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the yea
2、r of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers commercial combination, at-mospheric pressure steaming, which includes low-temperature
3、and bio-steaming, baking, roasting, and rethermalizing forced-air electric and gas-fired ovens.1.2 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses are providedfor information only.1.3 The following safety hazards caveat pertains only to thetes
4、t methods portion, Section 8, of this specification: Thisspecification does not purport to address all of the safetyconcerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety andhealth practices and determine the applicability of r
5、egulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D 3951 Practice for Commercial PackagingF 760 Specification for Food Service Equipment ManualsF 1166 Practice for Human Engineering Design for MarineSystems, Equipment and FacilitiesF 1639 Test Method for Performance of Com
6、bination Ov-ens2.2 ANSI Standards:3ANSI/UL No. 197 Commercial Electric Cooking Appli-ancesANSI Z83.11 Gas Food Service EquipmentANSI B1.1 Unified Inch Screw Threads (UN and UNRThread Form)NSF/ANSI 4 Commercial Cooking, Rethermalization andHot Food Holding and Transport Equipment2.3 Military Standard
7、s:4MIL-STD-167/1 Shipboard Equipment (TypeI-Environmental and Type II-Internally Excited)MIL-STD-461 Electromagnetic Emission and Susceptibil-ity Requirements for the Control of ElectromagneticInterferenceMIL-STD-1399/300 Shipboard Systems Section 300AElec-tric Power, Alternating Current3. Terminolo
8、gy3.1 Definitions of Terms Specific to This Standard:3.1.1 combination oven, nas used in this specification, adevice that combines the function of hot convection air orsaturated/super-heated steam, or both, to perform steaming,which includes low-temperature and bio-steaming, baking,roasting, retherm
9、alizing and proofing of various food products.In general, the term combination oven is used to describe thistype of equipment which is self-contained.3.1.2 oven cavity, nportion or area of the combinationoven in which food products are heated or cooked.3.1.3 pans, ncontainers used to hold the food p
10、roduct inthe oven cavity: a full-size bake or sheet pan is nominally 18by 26 by 1 in. (457 by 660 by 25 mm), a half-size bake or sheetpan is nominally 18 by 13 by 1 in. (305 by 508 by 25 mm), anda steam pan is nominally 12 by 20 by 2.5 in. (305 by 508 by64 mm).4. Classification4.1 Combination ovens
11、covered by this specification areclassified by capacity, type, style, and electrical class.Capacity4.1.1 The capacity of the combination oven is determinedby the number of bake or sheet pans, or steam table pans, orboth, the oven is designed for cooking or rethermalizing. Forcapacity classification,
12、 the minimum vertical spacing between1This specification is under the jurisdiction of ASTM Committee F26 on FoodService Equipment and is the direct responsibility of Subcommittee F26.02 onCooking and Warming Equipment .Current edition approved Sept. 1, 2005. Published September 2005. Originallyappro
13、ved in 1993. Last previous edition approved in 1999 as F 1495 99.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM webs
14、ite.3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036.4Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, or AcquisitionStreamlining and Standardization Information Sy
15、stem (ASSIST), which is theofficial source of all documents listed in the DoD Index of Specifications andStandards. The ASSIST can be located at http:/dsp.dla.mil.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.pan supports shall be
16、as follows: bake or sheet pans, 1 in. (25mm); and steam pans, 2.5 in. (64 mm).Type4.1.2 Type 1Table or countertop units.4.1.2.1 Class AHalf-size.(1) Minimum of five half-size bake or sheet pans.(2) Minimum of three steam pans.4.1.2.2 Class BFull-Size.(1) Minimum of seven full-size bake or sheet pans
17、.(2) Minimum of nine steam pans.4.1.3 Type 2Stand mounted units.4.1.3.1 Class AHalf-size.(1) Minimum of five half-size bake or sheet pans.(2) Minimum of three steam pans.4.1.3.2 Class BFull-size.(1) Minimum of seven full-size bake or sheet pans.(2) Minimum of nine steam pans.4.1.4 Type 3Floor units
18、/ roll-in units.4.1.4.1 Class AHalf-size.(1) Minimum of 14 half-size bake or sheet pans.(2) Minimum of eight steam pans.4.1.4.2 Class BFull-size.(1) Minimum of 16 full-size bake or sheet pans.(2) Minimum of 17 steam pans.4.1.5 This specification does not purport to address all of thetypes, which may
19、 be available, but it is an overview of the mostcommon types and classes used in the industry.Style4.1.6 Style 1Gas-fired combination oven.4.1.7 Style 2Electric combination oven.Electrical Class4.1.8 Class 1208 V, 60 Hz, 1 phase.4.1.9 Class 2208 V, 60 Hz, 3 phase.4.1.10 Class 3240 V, 60 Hz, 1 phase.
20、4.1.11 Class 4240 V, 60 Hz, 3 phase.4.1.12 Class 5480 V, 60 Hz, 3 phase.4.1.13 Class 6120 V, 60 Hz, 1 phase.4.1.14 Class 7230 V, 50 Hz, 1 phase.4.1.15 Class 8400 V, 50 Hz, 3 phase.4.1.16 Class 9440 V, 60 Hz, 3 phase (shipboard use).5. Ordering Information5.1 Orders for combination ovens in accordanc
21、e with thisspecification shall include the following information:5.1.1 ASTM specification number and date of issue.5.1.2 Quantity of ovens to be furnished.5.1.3 Type and class of combination oven.5.1.4 Style; if Style 1, specify gas type (see 5.2.2).5.1.5 Electrical class.5.2 The following options s
22、hould be reviewed and, ifdesired, they should be included in the order.5.2.1 When Federal/Military procurement(s) is involved,refer to the supplement pages.5.2.2 Type of gas, if applicable: natural, propane, or other(specify heating value in BTU/ft3specific density and constitu-ents).5.2.3 When othe
23、r than manufacturers standard, commer-cial, domestic packaging is required, specify packaging re-quirements.5.2.4 When special or supplementary requirements, such asinspections, options, accessories, modifications, changes forcorrectional facilities use, additional nameplate data, etc., arerequired.
24、5.2.5 When specified, certify that samples representing eachlot have been either tested or inspected as directed andrequired. When specified, furnish a copy of the certification, ortest results, to the purchaser.5.2.6 When specified, with a quick-disconnect gas supply.5.2.7 When specified, provide s
25、eparate water inlets forsteam generator and for condensate cooling.5.2.8 When specified, provide accessories, such as wireshelves, casters, oven stand, two-speed fan, wash-down hoseassembly.6. Physical Requirements6.1 Design and ManufactureThe combination oven shallconsist of a water tight oven cavi
26、ty, sealing type of door(s),blower, air-heater(s)/heat exchanger, steam generator, conden-sate discharge, over pressure and under pressure venting, asrequired.6.1.1 DoorsThe door(s) shall be insulated, with replace-able gaskets, and provision to limit condensate dripping on thefloor or table top sur
27、face when opening.6.1.2 Steam GeneratorWhen provided, a steam generat-ing system may or may not include a boiler. Further, the steamsource may or may not be an integral part of the combinationoven. Operate the combination oven steamer at atmosphericpressure (15 psi (103 MPa) maximum absolute). Provi
28、de forboiler based steam generating system a suitable means to detectoperation and low water levels.An over temperature protectionof the boiler is necessary in the event of a critical low watercondition. Provide a means to clean (delime or decalcify) thesteam generating boiler and remove scale miner
29、al deposits.6.1.3 FanA fan or blower shall be provided to ensureforced air circulation within the oven cavity. The impeller shallbe corrosion-resistant.6.1.4 Controls:6.1.4.1 Provide the following control functions for theoperation of the combination oven:(1) Mode selection, such as hot air (convect
30、ion), steam, orcombination.(2) Oven temperature; and,(3) Cook time.6.1.4.2 Each oven shall be equipped with a door controlswitch that will de-energize the blower/fan circuit when thedoor is opened in any operating mode except cool-down.6.1.5 Air BaffleEach oven shall have a removable airbaffle.6.1.6
31、 Grease FilterEach oven may include a grease filter.If a grease filter is supplied, the filter shall be a removable type.6.1.7 Over Pressure ReliefOver pressure relief shall beprovided for the oven that is no greater than 0.6 psig (41 MPa)6.2 Standards and ComplianceThe oven(s) shall conformto the r
32、equirements of ANSI/UL 197, ANSI Z83.11, andNSF/ANSI 4, as applicable. Acceptable evidence of meetingF1495052these requirements shall be a current listing mark, label, orsymbol of a recognized independent testing laboratory and acurrent listing in the testing laboratorys appropriate publica-tion.6.2
33、.1 Provide certification of compliance with the standardscited in this specification, if required, in the purchase docu-ment.7. Materials7.1 GeneralCombination ovens shall conform to the ap-plicable documents listed in Section 2. Materials used shall befree of defects, which would affect the perform
34、ance or main-tainability of individual components or of the overall assembly.Materials not specified herein shall be of the same quality usedfor the intended purpose in commercial practice. Unlessotherwise specified herein, all equipment, material, and com-ponents incorporated in the work covered by
35、 this specificationare to be new or fabricated using materials produced fromrecovered materials to the maximum extent possible withoutjeopardizing the intended use. None of the above shall beinterpreted to mean that the use of used products are allowedunder this specification unless otherwise specif
36、ied.7.2 Hardware and FittingsUnless otherwise specified, allhardware and fittings shall be corrosion-resistant or suitablyprocessed to resist corrosion in accordance with the manufac-turers standard practice.7.3 Threaded PartsAll threaded parts shall conform toANSI B1.1.8. Performance Requirements8.
37、1 Performance TestingWhen specified, test the combi-nation oven according to the Test Method F 1639.9. Sampling and Quality Assurance9.1 When specified in the contract or purchase order,perform sampling, testing and quality assurance of finishedcombination ovens in accordance to the requirements spe
38、cifiedby ANSI/UL 197 and ANSI Z83.11, as applicable.10. Product Marking10.1 Each combination oven shall be provided with anidentification plate(s) in compliance with ANSI/Z83.11 orANSI/UL 197.11. Instruction Material and Manuals11.1 Each combination oven shall be furnished with aninstruction manual
39、and material, as may be required. Manualsshall comply with Specification F 760.12. Packaging and Package Marking12.1 Combination oven shall be packaged and packed inaccordance with the manufacturers standard commercial do-mestic packaging.12.2 The package shall be marked showing the name of theprodu
40、ct, model number, serial number, and manufacturersname.12.3 When specified, packaging shall be in accordance withthe requirements of specification Practice D 3951.13. Keywords13.1 baking oven; combination oven; convection oven; foodservice equipment; oven; roasting; steamer; atmosphericsteamerF14950
41、53SUPPLEMENTARY REQUIREMENTSFOR FEDERAL/MILITARY PROCUREMENTS1. Where provisions of this supplement conflict with themain body, this supplement shall prevail.S2. ManualA manual complying with Specification F 760and this Supplement shall be provided.S3. First Article InspectionWhen required, the firs
42、t articleinspection shall be performed on one unit. The first article maybe either a first production or a standard production item fromthe suppliers current inventory, provided the item meets therequirements of the specification and is representative of thedesign, construction, and manufacturing te
43、chnique applicableto the remaining items to be furnished under the contract.S4. Data NameplateWhen required by purchaser, a name-plate shall contain the following:S4.1 National stock number (NSN), andS4.2 Government approved manual number.S5. Part Identifying NumberThe following part identify-ing nu
44、mbering procedure is for government purposes and doesnot constitute a requirement for the contractor. These classesare the same as those in Section 4. The PINs to be used foritems acquired to this Specification are as follows:ASTM F XXXX - 2 B 1 6|Spec. No. Type_| |Class_| | |Style_| |Electrical_ |T
45、ype 1 Table or countertop unitsType 2 Stand mounted unitsType 3 Floor units/roll-in unitsClass A Half-sizeClass B Full-sizeStyle 1 Gas-fired combination oven steamerStyle 2 Electric combination oven steamerElectrical Class 1 208 V, 60 Hz, 1-phaseElectrical Class 2 208 V, 60 Hz, 3-phaseElectrical Cla
46、ss 3 240 V, 60 Hz, 1-phaseElectrical Class 4 240 V, 60 Hz, 3-phaseElectrical Class 5 480 V, 60 Hz, 3-phaseElectrical Class 6 120 V, 60 Hz, 1-phaseElectrical Class 7 220 V, 60 Hz, 3-phaseElectrical Class 8 230 V, 50 Hz, 1-phaseElectrical Class 9 230 V, 50 Hz, 3-phaseElectrical Class 10 400 V, 50 Hz,
47、3-phaseElectrical Class 11 440 V, 60 Hz, 3-phase (shipboard use)S6. Preservation, Packaging, and Package MarkingWhen other than normal commercial practice or conformanceto Practice D 3951 is desired, state the preservation, packaging,and package marking requirements in the purchase order orcontract.
48、S7. Naval Shipboard Requirements:S7.1 Electromagnetic CompatibilityWhen specified, elec-tric combination ovens shall be designed and equipped forelectromagnetic compatibility in accordance with MIL-STD-461 for Class A4 surface ships and Class A5 for submarines.The contractor shall furnish written ce
49、rtification that theequipment meets the emission and susceptibly requirementswhen tested in accordance with test methods of MIL-STD-461.S7.2 Inclined OperationWhen specified, the units shalloperate satisfactorily, along with no spillage of product, whenthe combination oven is inclined for 30 s at an angle of 15each side of the vertical in each of two vertical planes at rightangles to each other. This test shall be run for 30 completecycles in each of the two vertical
