ASTM F953-94(2003)

Standard Specification for Commercial Dishwashing Machines (Stationary Rack, Dump Type) Chemical Sanitizing

ABSTRACT
This specification covers manually fed, spray-type, stationary rack, automatically controlled, dump type, chemical sanitizing commercial dishwashing machines. Dishwashing machines shall be of the following types, styles, classes: type I - Straight-through model, 34 in. nominal table height. This machine is used in line with table on each side, type II - Corner model, 34 in. nominal table height. This machine is used in corner placement forming a 90° table on each side, and type III - Under counter, front load. This machine may be installed under counters; style A - single rack, and style B - double rack. No leakage shall occur when tested at pressures up to 125 % of the manufacturer's recommended supply line pressure. The dishwasher materials, construction, operation cycle, electrical equipment, lubrication, and coating shall meet the requirements prescribed.
SCOPE
1.1 This specification covers manually fed, spray-type, stationary rack, automatically controlled, dump type, chemical sanitizing commercial dishwashing machines.

General Information

• Status: Historical
• Publication Date: 09-Sep-2003
• ICS: 97.040.40 - Dishwashers
• Technical Committee: F26 - Food Service Equipment
• Drafting Committee: F26.01 - Cleaning and Sanitation Equipment

Relations

• Replaces: ASTM F953-94(1998) - Standard Specification for Commercial Dishwashing Machines (Stationary Rack, Dump Type) Chemical Sanitizing
• Effective Date: 10-Sep-2003
• Replaced By: ASTM F953-08 - Standard Specification for Commercial Dishwashing Machines (Stationary Rack, Dump Type) Chemical Sanitizing
• Effective Date: 01-Oct-2008
• Referred By: ASTM F1696-20 - Standard Test Method for Energy Performance of Stationary-Rack, Door-Type Commercial Dishwashing Machines
• Effective Date: 10-Sep-2003

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: F 953 – 94 (Reapproved 2003)
Standard Specification for
Commercial Dishwashing Machines (Stationary Rack, Dump
Type) Chemical Sanitizing
This standard is issued under the fixed designation F 953; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2.5 ASSE Standard:
Std. No. 1004 Dishwashers
1.1 This specification covers manually fed, spray-type, sta-
2.6 ANSI Standard:
tionary rack, automatically controlled, dump type, chemical
301 Preferred Diameters of Wire Terminations of Capaci-
sanitizing commercial dishwashing machines.
tors and Resistors
2. Referenced Documents
3. Terminology
2.1 ASTM Standards:
3.1 Definitions:
A 167 Specification for Stainless and Heat-Resisting
3.1.1 commercial dishwashing machines—machines that
Chromium-Nickel Steel Plate, Sheet, and Strip
uniformly wash, rinse, and sanitize eating and drinking uten-
A 276 Specification for Stainless Steel Bars and Shapes
sils. The machines shall be capable of removing physical soil
A 554 Specification for Welded Stainless Steel Mechanical
and sanitizing multiple use eating and drinking utensils. The
Tubing
dishwashing machines normally consist of the following prin-
A 582/A 582M Specification for Free-Machining Stainless
cipal parts: Legs, wash chamber hood, tank, doors, spray
Steel Bars
assemblies, pumps, motors, controls, piping, valves, chemical
B 127 Specification for Nickel-Copper Alloy (UNS
sanitizing equipment, and accessories.
NO4400) Plate, Sheet, and Strip
F 760 Specification for Food Service Equipment Manuals
4. Classification
2.2 OSHA Standard:
4.1 Types, Styles, Classes, and Groups— Dishwashing ma-
Title 29, Code of Federal Regulations (CFR), Chapter
chines shall be of the following types, styles, classes, size, and
XVII, Part 1910
capacity groups as specified:
2.3 NSF Standards:
4.1.1 Type I—Straight-through model, 34 in. nominal table
ANSI/NSF 3 Commercial Spray-Type Dishwashing and
height. This machine is used in line with table on each side.
Glasswashing Machines
4.1.1.1 Style A—Single rack.
ANSI/NSF 29 Detergent/Chemical Feeders for Commercial
3 3
4.1.1.2 Size and Capacity,19 ⁄4 by 19 ⁄4-in. (nominal) racks
Spray-Type Dishwashing Machines
at minimum of 36 racks per hour.
NSF Listing Food Equipment
5 4.1.1.3 Style B—Double rack.
2.4 UL Standards:
3 3
4.1.1.4 Size and Capacity,19 ⁄4 by 19 ⁄4-in. (nominal) racks
UL 921 Commercial Electric Dishwashers
at minimum of 72 racks per hour.
UL 969 Marking and Labeling Systems
4.1.2 Type II—Corner model, 34 in. nominal table height.
This machine is used in corner placement forming a 90° table
on each side.
This specification is under the jurisdiction of ASTM Committee F26 on Food
4.1.2.1 Style A—Single rack.
Service Equipment and is the direct responsibility of Subcommittee F26.01 on
3 3
4.1.2.2 Size and Capacity,19 ⁄4 by 19 ⁄4-in. (nominal) racks
Cleaning and Sanitation Equipment.
at minimum of 36 racks per hour.
Current edition approved Sept. 10, 2003. Published September 2003. Originally
approved in 1985. Last previous edition approved in 1998 as F 953 – 94 (1998).
4.1.2.3 Style B—Double rack.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3 3
4.1.2.4 Size and Capacity,19 ⁄4 by 19 ⁄4-in. (nominal) racks
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
at minimum of 72 racks per hour.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
Available from Superintendent of Documents, Government Printing Office,
Washington, DC 20402.
4 6
Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd.,Ann AvailablefromAmericanSocietyofSanitaryEngineering,P.O.Box9712,Bay
Arbor, MI 48113-0140. Village, OH 44140.
5 7
Available from Underwriters Laboratories (UL), Corporate Progress, 333 Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
Pfingsten Rd., Northbrook, IL 60062. 4th Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
F 953 – 94 (2003)
4.1.3 Type III—Under counter, front load. This machine 9. Physical Requirements
may be installed under counters.
9.1 Materials—All materials shall be specified herein.
4.1.3.1 Style A—Single rack.
Whenever specific materials are referenced, it is understood
3 3
4.1.3.2 Size and Capacity,19 ⁄4 by 19 ⁄4-in. (nominal) racks
thattheuseofmaterialsandmaterialthicknessdemonstratedto
at minimum of 21 racks per hour.
be equally satisfactory for their intended purpose are accept-
able. Materials used shall be free from defects that would
5. Ordering Data
adversely affect the performance or maintainability of indi-
vidual components of the overall assembly. The dishwashing
5.1 Purchasers should select the preferred options permitted
machinesshallmeetthematerialrequirementsofANSI/NSF3.
herein and include the following information in the procure-
9.1.1 Corrosion-Resistant Steel—Corrosion-resistant steel
ment document:
shallconformtotherequirementsofANSI301specifiedin2.6.
5.1.1 Title, number, and date of this specification.
9.1.2 Corrosion-Resisting Material—Corrosion-resisting
5.1.2 Type I or II straight through, corner machine, or Type
materialisotherthancorrosion-resistantsteelthatisequivalent
III under counter (see 4.1).
in the dishwasher application.
5.1.3 Noise level requirements, if other than specified (see
9.1.3 Nickel-Copper Alloy—Nickel-copper alloys shall con-
6.2).
formtotherequirementsofSpecificationsB 127,A582,A554,
5.1.4 When a service-supply valve is required (see 9.3.3).
A 276, and A 167.
5.1.5 Special electrical power supply characteristics.
9.2 Construction—The dishwasher shall conform to the
Specify current, voltage, phase, frequency (see 9.4). Standard
design and construction requirements of ANSI/NSF 3. The
electrical characteristics are 115 V, single phase, 60 Hz.
dishwashing machine shall be complete so that when con-
5.1.6 When detergent feeder is required.
nectedtothespecifiedsourceofpower,watersupply,drainand
5.1.7 When rinse agent feeder is required.
detergent, sanitizer, and rinse agent feeders, as applicable, the
5.1.8 When energy consumption profiles, water consump-
unit can be used for its intended function. Dishwashers shall be
tion profiles, or productivity profiles are desired (see 7.3).
rigid, quiet in operation, free from objectionable vibration, and
5.1.9 Manufacturer’s certification, when required (see Sec-
soconstructedastopreventobjectionablesplashingofwateror
tion 10).
overflowofwatertotheoutsideofthemachine.Partsrequiring
adjustment or service, or both, shall be readily accessible. The
6. Performance Requirements
machine shall wash dishes by means of a water and detergent
solution pumped from the tank, and shall rinse the dishes with
6.1 Performance Standards Compliance— Dishwashing
a pumped, recirculated fresh water sanitizer solution. Provi-
machines shall conform to the requirements of OSHATitle 29,
sions shall be made to automatically fill the tank directly from
UL 921, and ANSI/NSF 3, and the detergent, rinse agent, and
the regular hot water supply. The wash, dwell, and sanitizing
sanitizer feeders shall comply with ANSI/NSF 29.
rinse cycles shall be automatically controlled. A light shall be
6.2 Noise Level—Unlessotherwisespecified,thenoiselevel
provided to indicate when the machine is in operation. Ma-
of the dishwasher, when operating, exclusive of loading,
chines shall be provided with tracks of corrosion-resistant steel
unloading, and servicing, shall not exceed 80 dBa at loading
or other corrosion-resisting material not less than 14 gage
and unloading stations, measured at 5 ft above floor level, and
(0.070 in. (1.78 mm)). Dishwashers shall have an inside
2 ft from the machine.
working height, including the door height, of not less than 16
in. (406.4 mm) above the track.
7. Test Methods
9.3 Operation Cycle—At the beginning of the wash cycle, a
7.1 Operational—Each machine shall be thoroughly tested
detergent dispenser shall be activated to supply a measured
in accordance with the manufacturer’s instructions to deter-
amount of detergent into the tank. The machine will automati-
mine compliance with the requirements of ANSI/NSF 3 and
cally start the wash cycle, after which, the drain automatically
UL 921.
opensto“dump”thewashwatertoaholdingtankortoadrain.
7.2 External Leakage—No leakage shall occur when tested
Before the drain closes, the water fill solenoid is actuated,
at pressures up to 125 % of the manufacturer’s recommended
creatingaflushcycle,afterwhichthedraincloses.Atthistime,
supply line pressure.
water, rinse additive, if applicable, and sanitizing solution are
7.3 Performance Profiles—A new standard is to be devel-
supplied to the tank. The machine automatically completes the
oped for energy consumption, water consumption, and produc-
rinse cycle and then shuts down. The rinse tank fill then
tivity profiles.
becomesthewaterforthenextwashcycleorautomaticallyfills
the machine with water at the start of the next cycle.
8. Quality Assurance
9.3.1 Piping, Tubing, Fittings, and Valves (Installation)—
Connections shall be readily accessible to facilitate installation
8.1 Unless otherwise specified in the contract or purchase
and maintenance. Piping, tubing, and valves shall be located,
order, the manufacturer is responsible for the performance of
whenever possible, on the exterior of the machine.
all requirements as specified herein. Except as otherwise
specified in the contract or order, the manufacturer may use his 9.3.2 Piping and Fittings—Water piping and fittings
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