1、Designation: F1114 11Standard Specification forHeat Sanitizing Commercial Pot, Pan, and Utensil StationaryRack Type Water-Driven Rotary Spray1This standard is issued under the fixed designation F1114; the number immediately following the designation indicates the year oforiginal adoption or, in the
2、case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers manually fed, spray-type sta-tionary rack, automatically contr
3、olled, water-driven rotaryspray commercial pot, pan, and utensil washing machines,herein referred to as “the washer.”1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information only
4、and are not considered standard.1.3 The following safety hazards caveat pertains only to thetest methods portion, Section 9, of this specification. Thisstandard does not purport to address all of the safety concerns,if any, associated with its use. It is the responsibility of the userof this standar
5、d to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2. Referenced Documents2.1 ASTM Standards:2A167 Specification for Stainless and Heat-ResistingChromium-Nickel Steel Plate, Sheet, and StripA276 Specification for Stainless St
6、eel Bars and ShapesA436 Specification for Austenitic Gray Iron CastingsA554 Specification for Welded Stainless Steel MechanicalTubingA582/A582M Specification for Free-Machining StainlessSteel BarsB127 Specification for Nickel-Copper Alloy (UNSN04400) Plate, Sheet, and StripD3951 Practice for Commerc
7、ial PackagingF760 Specification for Food Service Equipment ManualsF1021 Specification for Feeders, Detergent, Rinse Agent,and Sanitizing Agent for Commercial Dishwashing andGlasswashing MachinesF1696 Test Method for Energy Performance of Single-Rack, Door-Type Commercial Dishwashing Machines2.2 Fede
8、ral Regulation:329 CFR Part 1910 OSHA Regulations on Safety2.3 NSF International Standards:4NSF/ANSI 3 Commercial Warewashing EquipmentNSF/ANSI 5 Commercial Hot Water Generating EquipmentNSF/ANSI 29 Detergent/Chemical Feeders for CommercialSpray-Type Dishwashing MachinesNSF ListingsFood Equipment2.4
9、 Underwriters Laboratories Standard:5UL 921 Commercial Dishwashers3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 commercial pot, pan, and utensil washing machinesmachines that uniformly wash, rinse, and heat-sanitize foodpreparation utensils. The machines are capable of remov
10、ingphysical soil from properly racked and pre-scrapped items, andsanitizing multiple pots, pans, and utensils.4. Classification4.1 GeneralThe washers shall be of the types, styles,sizes, and classes specified as follows:4.2 Types:4.2.1 Type IOne rack (up to a nominal capacity of 25racks/h).4.2.1.1 S
11、tyle ATwo doors (pass-through).4.2.1.2 Style BOne door (front-loading).4.2.1.3 Style COne or two doors (corner).4.2.1.4 Style DThree doors (pass-through with frontclean-out door).4.2.2 Type IITwo rack (up to a nominal capacity of 46racks/h).4.2.2.1 Style ATwo doors (pass-through).4.2.2.2 Style BThre
12、e doors (pass-through with clean-out).1This specification is under the jurisdiction of ASTM Committee F26 on FoodService Equipment and is the direct responsibility of Subcommittee F26.01 onCleaning and Sanitation Equipment.Current edition approved Dec. 1, 2011. Published January 2012. Originallyappr
13、oved in 1988. Last previous edition approved in 2006 as F1114 06. DOI:10.1520/F1114-11.2For 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 Summar
14、y page onthe ASTM website.3Available from U.S. Government Printing Office Superintendent of Documents,732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401.4Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd., AnnArbor, MI 48113-0140.5Available from Underwriters Laboratories
15、 (UL), 333 Pfingsten Rd., North-brook, IL 60062.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.3 Classes:4.3.1 Class 1Steam heated.4.3.1.1 Mode AInjector.4.3.1.2 Mode BHeat exchange coil.4.3.2 Class 2Electric heat.4.3.3 Class 3Gas
16、 heat.4.3.3.1 Natural gas.4.3.3.2 LP gas.5. Ordering Information5.1 Purchasers should select the preferred options permittedin this specification and include in the procurement documentthe following information:5.1.1 Title, designation, and date of this specification.5.1.2 Type, style, class, and mo
17、de of machine required (seeSection 4).5.1.3 Noise level requirements, if other than specified (see8.2).5.1.4 Whether a service-supply valve is required (see 7.5).5.1.5 When a standard 40F (22C) temperature rise steamor electric booster is required. If the required temperature riseis more than 40F (2
18、2C) (see 7.14), it should be specified.5.1.6 Electrical power supply characteristics (current, volt-age, phase, frequency).5.1.7 Whether a detergent feeder is required (see 7.15).5.1.8 Accessory equipment, spare, and maintenance partsrequired, and selected options.5.1.9 Treatment and painting if oth
19、er than specified (see7.18).5.1.10 When energy consumption profiles, water consump-tion profiles, or productivity profiles are desired (see 9.3).5.1.11 Manufacturers certification, when required (see Sec-tion 10).6. Materials6.1 All materials shall be specified as follows:6.1.1 Materials used shall
20、be free from defects that wouldadversely affect the performance or maintainability of indi-vidual components of the overall assembly. The machines shallmeet the material requirements of NSF/ANSI 3 where appli-cable.6.1.2 Corrosion-Resistant SteelCorrosion-resisting steelshall conform to the requirem
21、ents of any 300 series stainlesssteel specified in Specifications A167, A276, A554, and A582/A582M.6.1.3 Corrosion-Resistant MaterialCorrosion-resistingmaterial is material other than corrosion-resistant steel that isequivalent to use in the washer application.6.1.4 Nickel-Copper AlloyNickel-copper
22、alloys shall con-form to the requirements of Specification B127.7. Design and Construction7.1 The machines shall meet the design and constructionrequirements for NSF/ANSI 3 where applicable.7.2 The washing machines shall be complete so that whenconnected to the specified source of power, water suppl
23、y,heating means (steam or electric), drainage and detergentfeeder, as applicable, the unit can be used for its intendedfunction. Machines shall be rigid and quiet in operation (see8.2). Parts requiring adjustment or service, or both, shall bereadily accessible. The machine shall wash pots, pans, and
24、utensils by means of a water and detergent solution pumpedfrom a tank, and shall final rinse the pots, pans, and utensilswith fresh water from an outside source. Provisions shall bemade to fill the wash tank either directly from the regular hotwater supply with a hand valve or through the booster or
25、solenoid, or both. The wash, dwell, and rinse cycles shall beautomatically controlled. A light shall be provided to indicatewhen the machine is in operation. Machines shall be providedwith tracks of corrosion-resistant steel not less than 0.070-in.(0.178-cm) thick or with other equivalent corrosion-
26、resistingmaterial. They shall have an inside working height, includingthe door height of not less than 27 in. (686 mm) above thetrack.7.3 Piping, Tubing Fittings, and Valves (Installation)Connections shall be readily accessible to facilitate installationand maintenance. Piping, tubing, and valves sh
27、all be located,whenever possible, on the exterior of the machine.7.4 Piping and FittingsWater, steam piping, and fittingsshall be of corrosion-resisting material. Fresh water supply tothe tank shall be discharged not lower than 2 in. (5.08 cm)above the maximum flood level rim, or an effective air ga
28、p orvacuum breaker shall be installed to prevent backflow inaccordance with NSF/ANSI 3. The drain and other plumbingconnections shall be standard pipe or tubing connections.Drainage piping shall be corrosion-resisting material, or suit-able heat-resisting plastic material. Drains may be joined intoa
29、 single trunk line requiring only one connection or arranged topermit individual connections to the waste line.7.5 ValvesSteam valves shall be corrosion-resisting ma-terial designed for steam applications and for a saturated steamworking pressure of 50 psi (344.6 kPa). When specified (see5.1.4), a s
30、eparately packed service supply valve shall beprovided for closing the supply of water to the machine. Asuitable closure or drain valve shall be furnished. A permanentidentification on the machine shall show “open” and “closed”positions on the drain. Fresh water rinse valves shall bereliable, fully
31、automatic, and suitable for 210F (98.9C) water.The manually operated valves, when used, shall be identified.7.6 Spray AssembliesAll spray nozzles and spray armmanifolds shall be of corrosion-resisting materials. All sprayassemblies shall be removable without the use of tools andshall be easy to clea
32、n.7.7 TankThe tank shall be constructed of not less than0.070-in. (1.78-mm) corrosion-resistant steel, or othercorrosion-resisting material. Single rack (Type I) machinesshall have a minimum capacity of 22 gal (83.2 L). Double-rack(Type II) machines shall have a minimum capacity of 52 gal(196.8 L).7
33、.8 OverflowThe washer shall have a readily accessibleoverflow drain in the tank. The overflow unit, or the overflowcover, when provided, shall be removable for cleaning.7.9 Scrap Trays (Strainers)Scrap trays of corrosion-resistant steel, not less than 0.044-in. (1.12-mm) thick, or othercorrosion-res
34、isting material shall be provided to prevent in-soluble matter and large pieces of food residue from passingF1114 112into the tank. The ledges on which the scrap trays rest shall beso designed that surfaces beneath the ledges are easily acces-sible for cleaning when the trays are removed. Any openin
35、garound the perimeter of the tank where the scrap trays areinstalled shall be held to a minimum and in no case shall thespace be more than38 in. (9.53 mm).7.10 Access Door(s)Door and door frames shall be con-structed of not less than 0.060-in. (1.52-mm) corrosion-resistant steel, or other corrosion-
36、resisting material, and shallbe rigid or stiffened as necessary. Loading and unloadingdoor(s) shall be counterbalanced and, when in the openposition, shall electrically interlock the machine so that itcannot operate. Opening the door during operation shallautomatically stop the machine. Door catch(s
37、) shall be pro-vided on inspection door(s) not counterbalanced. Door(s) shallbe splash-proof and their exposed edges shall be smooth andformed to prevent canting or warping.7.11 Legs (Feet)The washer shall be rigidly constructedand have four or more legs (feet) made of corrosion-resistantsteel, or o
38、ther corrosion-resisting material. Legs shall beadjustable so that the height of the track may be varied from 34to 35 in. (864 to 889 mm) above the floor.7.12 Pump and Motor Assemblies:7.12.1 AssembliesThe pump motor shall be mounted onthe tank or on a rigid steel base. Rotary seals shall be provide
39、dfor pump shafts and shall be removable for servicing.7.12.2 PumpPump casings shall be cast iron (see Speci-fication A436) or corrosion-resisting material and shall have aremovable cover or inspection plate, or be of such a design asto permit ease of accessibility for inspection and removal offoreig
40、n items from the impeller and interior. The shaft shall beof corrosion-resistant steel, properly aligned and supported.The impeller shall be corrosion-resisting material or cast ironand shall be in dynamic balance. The pump shall have at leasttwo ball or roller bearings, except that when the pump an
41、dmotor are mounted on the same shaft, at least two ball or rollerbearings shall be provided for the motor and pump. The pumpsuction intake shall be provided with a corrosion-resistantstrainer or shroud.7.13 HeatingClass 1, 2, and 3 washers shall be capable ofmaintaining required temperature levels i
42、n the tank.7.13.1 Class 1, Mode A and B washers shall be suitable foroperation with a steam supply flow pressure of from 20 to 35psi (137.8 to 241.3 kPa). Temperature regulators (thermostats)shall be provided for maintaining the proper water temperaturein the tank. Low water protection shall be prov
43、ided. Steam heatwill be provided by tube type heat exchangers or steaminjectors, or a combination of both. Check valves or vacuumbreakers must be used on all injector-type heating units toprevent back siphoning. The minimum and maximum operat-ing pressure shall be specified by the manufacturer.7.13.
44、2 Class 2 machines shall be equipped with electricheater elements and sheaths of 300 series corrosion-resistantsteel or other corrosion-resisting material. They shall beprovided with temperature regulators (thermostats) for main-taining the proper water temperature in the tank. Low waterprotection s
45、hall be provided.7.13.3 Class 3 machines shall be equipped with a gas burnerassembly including safety pilots (or equivalent), shut-offvalves, and flue suitable for operation with type of gasspecified. They shall be provided with temperature regulatorsfor maintaining the proper water temperature in t
46、he tank. Lowwater protection shall be provided.7.14 Final Rinse BoosterFinal rinse booster will not befurnished as a part of the machine unless specified.7.14.1 Steam BoosterWhen specified, the washer shall beprovided with an adjustable automatic steam booster to raisethe temperature of the final ri
47、nse water from 140F (60C) toat least 180F (82C). The steam booster shall automaticallymaintain the required final rinse water temperature withoutproducing steam within either the steam booster or the watersupply piping from the steam booster to the machine. Thesteam booster may be securely mounted a
48、s an integral part ofthe washer in a position that does not interfere with operationand permits attachment of tables or counters. Otherwise, thesteam booster may be furnished separately mounted on its ownlegs and equipped with suitable fittings for connection into thefinal rinse water lines. Require
49、d valves and the temperatureregulator shall be accessible and adjustable. Valve and pipeunions may be installed on the steam booster where required.The final rinse water temperature may be controlled by anautomatic thermostat controlling the input of steam to thesteam booster.7.14.2 Electric BoosterWhen specified, the washer shallbe provided with an electric booster having all necessarycontrols for automatic operation to raise and maintain thetemperature of the final rinse water from 140F (60C) to atleast 180F (82C). The booster shal
