ASTM F860-07(2013)
(Specification)Standard Specification for Hot Water Sanitizing Commercial Dishwashing Machines, Multiple Tank, Rackless Conveyor Type
Standard Specification for Hot Water Sanitizing Commercial Dishwashing Machines, Multiple Tank, Rackless Conveyor Type
ABSTRACT
This specification covers multiple tank, automatic rack less conveyor type, commercial dishwashing machines. These machines can be classified into two types: Type 1 machines shall be designed and supplied to accept the feeding of soiled tableware from the right side, when facing the front of the machine while Type II shall be designed and supplied to accept the feeding of soiled tableware from the left side, when facing the front of the machine. The dishwashing machines have three kinds of styles: Style 1 is a steam heated machine, with two classes namely Class A which uses injectors and Class B which uses heat exchange coils. Style 2 is an electrically heated dishwashing machine. Style 3 on the other hand is gas heated with two classes namely Class C which uses natural gas and Class D which uses LP gas. In addition, these dishwashing machines can be classified into three groups according to size and capacity: Group A, Group B, and Group C. Materials used in the manufacture of these machines shall consist of corrosion-resistant steel, corrosion resisting material, nickel-copper alloy and plastics. The dishwashing machine shall be complete so that when connected to the specified source of power, water supply, heating means (steam, electric, or gas), drainage, detergent, and rinse agent feeder as applicable, the unit can be used for its intended function. Dishwashers shall be rigid, quiet in operation, free from objectionable vibration, and so constructed as to prevent objectionable splashing of water to the outside of the machine. Operational test, leakage test, and performance profiles shall be done in order to determine the overall efficiency of the dishwashing machine.
SCOPE
1.1 This specification covers multiple tank, automatic rackless conveyor type, commercial dishwashing machines.
1.2 The values stated in inch-pound units are to be regarded as the standard. The SI values given in parentheses are provided for information only.
General Information
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Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:F860 −07 (Reapproved 2013) An American National Standard
Standard Specification for
Hot Water Sanitizing Commercial Dishwashing Machines,
Multiple Tank, Rackless Conveyor Type
ThisstandardisissuedunderthefixeddesignationF860;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 2.2 Federal Regulation:
OSHA Title 29
1.1 This specification covers multiple tank, automatic rack-
2.3 American National Standards:
less conveyor type, commercial dishwashing machines.
ANSI S1.4 Specification for Sound Level Meters
1.2 The values stated in inch-pound units are to be regarded ANSI S1.13 Methods for the Measurement of Sound Pres-
as the standard. The SI values given in parentheses are sure Levels
provided for information only. 2.4 National Electrical Manufacturers Association Stan-
dards:
2. Referenced Documents NEMA ICS Industrial Controls and Systems
NEMA MG-1 Motor and Generators
2.1 ASTM Standards:
2.5 National Fire Protection Association Standard:
A29/A29M Specification for Steel Bars, Carbon and Alloy,
NFPA No. 70 National Electrical Code
Hot-Wrought, General Requirements for
2.6 NSF International Standards, Criteria, and Listings:
A102 Specification for Ferrovanadium
NSF/ANSI 3 Commercial Warewashing Equipment
A167 Specification for Stainless and Heat-Resisting
NSF 5 Commercial Hot Water Generating Equipment
Chromium-Nickel Steel Plate, Sheet, and Strip
NSF 29 Detergent/Chemical Feeders For Commercial Spray
A276 Specification for Stainless Steel Bars and Shapes
Type Dishwashing Machines
A436 Specification for Austenitic Gray Iron Castings
NSF Food Equipment and Related Products, Components,
A554 Specification for Welded Stainless Steel Mechanical
and Materials
Tubing
2.7 Underwriters Laboratories Standard:
A582/A582M Specification for Free-Machining Stainless
UL 921 Commercial Electric Dishwashers
Steel Bars
UL 1453 Electric Booster and Commercial Storage Tank
B43 Specification for Seamless Red Brass Pipe, Standard
Water Heaters
Sizes
2.8 American Society of Sanitary Engineering Standards:
B75 Specification for Seamless Copper Tube
ASSE 1004 Dishwashers
B127 Specification for Nickel-CopperAlloy (UNS N04400)
Plate, Sheet, and Strip
Code of Federal Regulations, Chapter XVII, Part 1910, available from
F760 Specification for Food Service Equipment Manuals
SuperintendentofDocuments,GovernmentPrintingOffice,Washington,DC20402.
Available from American National Standards Institute, 11 W. 42nd St., 13th
Floor, New York, NY 10036.
1 5
This specification is under the jurisdiction of ASTM Committee F26 on Food Available from National Electrical ManufacturersAssn., 2101 “L” Street, NW,
Service Equipment and is the direct responsibility of Subcommittee F26.01 on Washington, DC 20037.
Cleaning and Sanitation Equipment. AvailablefromNationalFireProtectionAssn.,BatterymarchPark,Quincy,MA
Current edition approved March 1, 2013. Published April 2013. Originally 02269.
approved in 1984. Last previous edition approved in 2007 as F860 – 07. DOI: Available from NSF International, 789 N. Dixboro Rd., Ann Arbor, MI
10.1520/F0860-07R13. 48105-9723.
2 8
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from Underwriters Laboratories, Inc., 333 Pfingsten Road,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Northbrook, IL 60062.
Standards volume information, refer to the standard’s Document Summary page on AvailablefromAmericanSocietyofSanitaryEngineering,P.O.Box9712,Bay
the ASTM website. Village, OH 44140.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F860−07 (2013)
3. Terminology 5.1.2 Type, style, class, and group machine required (see
4.1),
3.1 Definitions:
5.1.3 Length of load and unload sections (see 4.4),
3.1.1 commercial dishwashing machines, n—machines that
5.1.4 Noise level requirements, if other than specified (see
uniformly wash, rinse, and hot water–sanitize eating and
11.2),
drinking utensils.
5.1.5 When a service-supply valve is required (see 7.5),
3.1.1.1 Discussion—The machines shall be capable of re-
5.1.6 When a standard 40°F (22°C) temperature rise steam
moving physical soil from properly pre-scraped items and
orelectric,orgasboosterisrequired,orstipulateiftherequired
sanitizing multiple use eating and drinking utensils. These
temperature rise is more than 40°F (22°C) (see 7.14),
machines shall automatically convey soiled dishes through the
5.1.7 Electrical power supply characteristics (current,
treatment stages of the machine, conveying them out at the
voltage, phase, frequency) (see Section 8),
clean end of the machine. The dishwashing machines shall
5.1.8 When a detergent feeder is required (see 7.15),
consist of the following principal parts: legs, wash chamber,
5.1.9 When a rinse agent feeder is required (see 7.16),
rinse chamber, tank, door, spray assemblies, pump motors,
5.1.10 Accessory equipment, such as end cowls with vent
controls, piping, valves, conveying mechanism, heating
opening, or spare and maintenance parts required, as suggested
equipment, and accessories.
by manufacturer,
5.1.11 Treatment and painting if other than specified (see
4. Classification
Section 10),
4.1 General—Dishwashing machines shall be of the follow-
5.1.12 When energy consumption profiles, water consump-
ing types, styles, classes, and groups, as specified.
tion profiles, or productivity profiles are desired (see 12.3), and
5.1.13 Manufacturing certification when required (see Sec-
4.2 Types:
tion 13).
4.2.1 Type I—This machine shall be designed and supplied
to accept the feeding of soiled tableware from the right side,
6. Materials and Design
when facing the front of the machine.
6.1 All materials shall be specified as follows:
4.2.2 Type II—This machine shall be designed and supplied
6.1.1 Materials used shall be free from defects that would
to accept the feeding of soiled tableware from the left side,
adversely affect performance or maintainability of individual
when facing the front of the machine.
component(s) of the overall assembly. The dishwashing ma-
4.3 Styles and Classes:
chines shall meet the material design and construction require-
4.3.1 Style 1 (Steam Heated)—Low pressure steam 20 to 35
ments of NSF/ANSI 3.
psi (137.8 to 241.3 kPa) flowing pressure at point of machine
6.1.2 Corrosion-Resistant Steel—Corrosion-resistant steel
connection.
shall conform to the requirements of any 300 series stainless
4.3.1.1 Class A—Injectors.
steel specified in 2.1.
4.3.1.2 Class B—Heat exchange coils.
6.1.3 Corrosion Resisting Material—Corrosion-resisting
4.3.2 Style 2 (Electrically heated).
material is other than corrosion resistant steel that is equivalent
4.3.3 Style 3 (Gas heated).
in the dishwasher application.
4.3.3.1 Class C—Natural gas.
6.1.4 Nickel-CopperAlloy—Nickel-Copperalloysshallcon-
4.3.3.2 Class D—LP gas.
form to the requirements of Specification B127.
4.4 Size and Capacity (see Specification F861): 6.1.5 Plastics—All plastic materials and components used
in the dish machine rinse system shall conform to NSF/ANSI
4.4.1 Group A—Minimum conveyor width 22.5 in. (571.5
3.
mm) with an operating capacity of 5000 dishes per hour
minimum.
7. Construction Requirements
4.4.2 Group B—Minimum conveyor width 26.5 in. (673.1
7.1 The dishwashing machine shall be complete so that
mm) with an operating capacity of 8700 dishes per hour
when connected to the specified source of power, water supply,
minimum.
heating means (steam, electric, or gas), drainage, detergent,
4.4.3 Group C—Minimum conveyor width 31 in. (787 mm)
and rinse agent feeder as applicable, the unit can be used for its
withanoperatingcapacityof11 800dishesperhourminimum.
intended function. Dishwashers shall be rigid, quiet in
4.5 All dishwashing machines of the same classification,
operation, free from objectionable vibration, and so con-
model, or material list designation furnished with similar
structed as to prevent objectionable splashing of water to the
optionsunderaspecificpurchaseorder;shallbeidenticaltothe
outside of the machine. The machine shall be equipped with
extent necessary to ensure interchangeability of component
splashcurtainstopreventexcessivesplashandspraycarryover.
parts, assemblies, accessories, and spare parts.
Parts requiring adjustment or service, or both, shall be readily
accessiblefromthefrontandsideofthemachine.Themachine
5. Ordering Information
shall be furnished with a loading and unloading section. The
5.1 Purchasers should select the preferred options permitted
machine shall wash dishes by means of a water and detergent
in this specification and include the following information in solution pumped from a tank and shall final rinse the dishes
procurement documents:
with fresh water from an outside source. The machine may
5.1.1 Title, number, and date of this standard, include a pumped rinse prior to the final sanitizing rinse.
F860−07 (2013)
Provisions shall be made to fill the wash and rinse tank either reliable and fully automatic and suitable for 210°F (98.9°C)
directly from the regular hot water supply with a hand valve or water. The manually operated valves, when used, shall be
identified.
through the booster or solenoid, or both. The dishwashing
machineshallhaveaconveyorbeltsuitableforhandlingeating
7.6 Spray Assemblies—All spray nozzles and spray arm
and drinking utensils, the conveyor belt shall be protected by
manifolds shall be corrosion-resisting materials (see Specifi-
an adjustable slip clutch or other device. Means shall be
cation A582/A582M).All spray assemblies shall be removable
provided for releasing or disconnecting the driving power, or
without the use of tools and shall be easily cleanable or easily
the drive, in case of jamming. The conveyor belt shall be
cleanable in place. Final sanitizing rinse spray assemblies,
driven by a motor-driven gear reduction unit. The wash,
components, or both shall be removable for deliming,
pumped rinse, and final rinse treatment shall be controlled by
descaling, and similar maintenance.
means of the conveyor speed as determined by NSF/ANSI 3
7.7 Tank—The tank shall be constructed of not less than
formultipletankconveyortypemachines.Thefinalrinsespray
0.055 in. corrosion-resistant steel or other corrosion-resisting
control shall have a positive return to the “off” position when
material.
there is no tableware in process to ensure the conservation of
7.8 Overflow—The dishwashers shall have a readily acces-
final rinse water. The machine shall be provided with tracks of
sible overflow drain in the tank. The overflow unit, or cover,
corrosion-resisting steel not less than 0.070 in. thick, or other
when provided, shall be readily removable for cleaning.
corrosion-resisting material. Dishwashers shall have an inside
working height of not less than 17 ⁄2 in. (444.5 mm).
7.9 Scrap Trays (Strainers)—Scrap trays of corrosion-
resistant steel, not less than 0.044 in. thick, or other corrosion-
7.2 Conveyor Belt—The conveyor belt shall be of heavy
resisting material shall be provided to prevent insoluble matter
duty construction adequately supported for added strength and
andlargepiecesoffoodresiduefrompassingintothetank.The
rigidity. The conveyor belt shall be constructed of a suitable
ledges on which the scrap trays rest shall be so designed that
corrosion-resistant steel or corrosion-resisting material. The
surfaces beneath the ledges are easily accessible for cleaning
uprightportionofthebeltmaybeofcorrosion-resistantsteelor
when the trays are removed. Any opening around or between
corrosion resisting material. When dishware contact surfaces
scrap trays shall be held to a minimum and shall be as close as
occur, a nonmetallic, non-marking material shall be utilized. It
is practical to the size of the scrap tray opening.
shall be designed to accept dishes, cup and glass racks when
used, and food service utensils. The conveyor will automati- 7.10 Access Door(s)—Access door(s) shall be provided for
cally stop if the operator should fail to remove sanitized items ease of machine cleanout. The door(s) shall be constructed of
from the conveyor belt at the unload end. not less than 0.044 in. thick corrosion resisting material shall
be rigid and stiffened as necessary. Door safety catch(es) or
7.3 Piping, Tubing, Fittings, and Valves (Installation)—
equivalent means shall be provided to retain the door in the
Connections shall be readily accessible to facilitate installation
open position. The dishwasher shall automatically stop if the
and maintenance. Piping, tubing, and valves shall be located,
machineisinoperationatthetimetheaccessdoorsareopened.
whenever possible, on the exterior of the machine. See
For maximum operator safety, the door handles, when
Specifications A29/A29M, A102, A167, A276, A554, B43,
provided, shall be of insulated handle design. Doors shall be
and B75.
splash-proof and their exposed edges shall be smooth and
formedtopreventcantingorwarping.Onedoorassemblyshall
7.4 Piping and Fittings—Water, steam piping, and fittings
be furnished for each tank.
shall be of corrosion resisting material. Fresh water supply to
the tank shall be discharged not lower than 2 in. (50.8 mm)
7.11 Legs (Feet)—The machine shall be rigidly constructed
above the maximum flood level rim, or an effective air gap or
and have four or more legs (feet) made of corrosion-resisting
vacuum breaker shall be installed to prevent backflow. Back-
material.Legsshallbeadjustable,sothattheheightofthetrack
flow protection shall be in accordance with ASSE 1004. The
may be varied from 34 to 35 in. (863.6 to 889 mm) above the
drain and other plumbing connections shall be standard pipe or
floor.
tubing connections. Drainage piping shall be corrosion-
7.12 Pump and Motor Assemblies:
resisting material, or suitable heat-resisting plastic tubing with
7.12.1 Assemblies—The pump and motor assembly shall be
fittings. Drains may be joined into a single trunk line requiring
mounted on the tank or on a rigid steel base. Rotary seals shall
only one connection or arranged to permit individual connec-
be provided for pump shafts and shall be removable for
tions to the waste line.
servicing.
7.5 Valves—Steam valves shall be corrosion-resisting mate-
7.12.2 Pump (see Specification A436)—Pump casings shall
rial designed for steam applications and for a saturated steam
be cast iron or corrosion-resisting material and shall have a
working
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