ASTM F2520-05

Standard Specification for Reach-in Refrigerators, Freezers, Combination Refrigerator/Freezers, and Thaw Cabinets

ABSTRACT
This specification covers the material, design, and construction requirements for reach-in refrigerators, freezers, combination refrigerator/freezers, and thaw cabinets that are stationary and of a vertical or horizontal configuration. Products covered by this specification are sorted into type: refrigerator (Type I), freezer (Type II), combination refrigerator/freezer (Type III), and thaw cabinet (Type IV); grade: vertical cabinet (Grade 1) and horizontal cabinet (Grade2); class: modular construction (Class 1) and unitary or single piece construction (Class 2); size; and style: manual loading (Style 1) and roll-in cart loading (Style 2). Materials used for the manufacture of the products shall be new and free of defects or reclaimed or recycled materials having the same quality as new materials and shall comprise of the following: corrosion-resistant steel, non-corrosion resistant steel (mild steel coated with zinc, chrome, nickel, or paint), aluminum alloys, seamless copper tubings, and corrosion-resistant material (for use in hardware, fittings, and fasteners). The product and its components shall be free of dirt, burrs, slivers, tool and grind marks, dents, and cracks. Castings, molded parts, and stampings shall be free of voids, sand pits, blowholes, and sprues. In addition, the assembly shall have no sharp edges or concealed objects that may cause injury. The products shall be tested for compliance to the requirements specified.
SCOPE
1.1 This specification covers the basic design and function of temperature regulated, continuous duty commercial, and marine refrigerators, freezers, combination refrigerator/freezers and thaw cabinets. The equipment will be stationary and of a vertical or horizontal type.
1.2 Equipment covered under this specification may contain a substance (or be manufactured with a substance) that harms public health and environment by destroying ozone in the upper atmosphere. This specification does not purport to address environmental regulations. It is the responsibility of the user of this specification to comply with environmental regulations.
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

• Status: Historical
• Publication Date: 31-Aug-2005
• ICS: 97.130.20 - Commercial refrigerating appliances
• Technical Committee: F26 - Food Service Equipment
• Drafting Committee: F26.03 - Storage and Dispensing Equipment

Relations

• Replaced By: ASTM F2520-05(2012) - Standard Specification for Reach-in Refrigerators, Freezers, Combination Refrigerator/Freezers, and Thaw Cabinets
• Effective Date: 01-May-2012

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
An American National Standard
Designation: F2520 – 05
Standard Specification for
Reach-in Refrigerators, Freezers, Combination Refrigerator/
Freezers, and Thaw Cabinets
This standard is issued under the fixed designation F2520; 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 ANSI/UL 303 Refrigeration and Air-Conditioning Con-
densing and Compressor Units
1.1 This specification covers the basic design and function
ANSI/UL 471 Commercial Refrigerators and Freezers
of temperature regulated, continuous duty commercial, and
ANSI/UL866 Outlet Boxes and Fittings for Use in Hazard-
marine refrigerators, freezers, combination refrigerator/
ous Locations, Class I, Groups A, B, C, and D and Class
freezers and thaw cabinets. The equipment will be stationary
II, Groups E, F, and G
and of a vertical or horizontal type.
ANSI/UL 969 UL Standard for Marking and Labeling
1.2 Equipment covered under this specification may contain
Systems
a substance (or be manufactured with a substance) that harms
2.3 NSF/ANSI International Standards:
public health and environment by destroying ozone in the
NSF/ANSI 7 Food Service Refrigerators and Freezers
upper atmosphere. This specification does not purport to
NSF/ANSI 51 Plastic Materials and Components Used in
address environmental regulations. It is the responsibility of
Food Service
the user of this specification to comply with environmental
2.4 ASHRAE Standard:
regulations.
ASHRAE 15 Safety Code for Mechanical Refrigeration
1.3 The values stated in inch-pound units are to be regarded
2.5 NFPA Standard:
as the standard. The values given in parentheses are for
NFPA 70 National Electrical Code, Article 500, Hazardous
information only.
Locations
1.4 This standard does not purport to address all of the
2.6 Canada National Standard/Canadian Standard:
safety concerns, if any, associated with its use. It is the
CAN/CSA C22.2 #120-M91 Refrigeration Equipment
responsibility of the user of this standard to establish appro-
2.7 Federal and Military Documents:
priate safety and health practices and determine the applica-
MIL-STD-167/1 Mechanical Vibrations of Shipboard
bility of regulatory limitations prior to use.
Equipment (Type I—Environmental and Type II—
2. Referenced Documents Internally Excited)
MIL-STD-461 Requirements For the Control of Electro-
2.1 ASTM Standards:
magnetic Interference Characteristics of Subsystems and
A167 Specification for Stainless and Heat-Resisting
Equipment
Chromium-Nickel Steel Plate, Sheet, and Strip
MIL-STD-1399/300 Interface Standard For Shipboard Sys-
B280 Specification for Seamless Copper Tube forAir Con-
tems Section 300A Electric Power, Alternating Current
ditioning and Refrigeration Field Service
MIL-R-12323 Refrigerators and Related Equipment, Pack-
D3951 Practice for Commercial Packaging
aging and Packing
F760 Specification for Food Service Equipment Manuals
F1166 Practice for Human Engineering Design for Marine
3. Terminology
Systems, Equipment, and Facilities
3.1 Definitions:
2.2 ANSI/UL Standards:
1 4
This specification is under the jurisdiction of ASTM Committee F26 on Food Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd.,Ann
Service Equipment and is the direct responsibility of Subcommittee F26.03 on Arbor, MI 48113-0140.
Storage and Dispensing Equipment. Available from American Society of Heating, Refrigerating, and Air-
Current edition approved Sept. 1, 2005. Published September 2005. DOI: Conditioning Engineers, Inc. (ASHRAE), 1791 Tullie Circle, NE, Atlanta, GA
10.1520/F2520-05. 30329.
2 6
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from National Fire Protection Association (NFPA), 1 Batterymarch
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Park, Quincy, MA 02269-9101.
Standards volume information, refer to the standard’s Document Summary page on Available from Canadian Standards Association (CSA), 178 Rexdale Blvd.,
the ASTM website. Toronto, ON M9W1R3, Canada.
3 8
Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St., Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,
4th Floor, New York, NY 10036. Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
F2520 – 05
3.1.1 ambient air temperature—temperature of the air sur-
Net Maximum Maximum
Maximum
Sizes Capacity Overall Height
rounding the exterior of the cabinet or machinery compart-
Width
ft (L) Storage Depth without Legs
ment. in. (mm)
ft (L) in. (mm) in. (mm)
3.1.2 automatic defrost—process where heat is automati-
5 (142) 4 (113) 33 (838) 27 (686) 64 (1626)
cally introduced into the cooling coils to dissipate any ice or 10 (283) 9 (255) 32 (813) 29 (737) 66 (1676)
15 (425) 14 (396) 39 (991) 29 (737) 72 (1829)
frost buildups on the coil.
20 (566) 19 (538) 51 (1295) 29 (737) 74 (1880)
3.1.3 capacity—term that refers to the total cubic foot area
30 (850) 29 (821) 58 (1473) 32 (813) 74 (1880)
40 (1133) 39 (1104) 68 (1727) 34 (864) 74 (1880)
of the interior storage.
65 (1841) 64 (1812) 86 (2184) 34 (864) 74 (1880)
3.1.4 condensing units—each unit shall consist of a com-
85 (2407) 84 (2379) 112 (2845) 34 (864) 74 (1880)
pressor, condenser, receiver (if required), fan, and motor.
4.5.1.1 Depth shown is maximum overall with door in-
3.1.5 evaporator coils (forced air)—forced circulation type
stalled.
cooling unit consists of a cooling coil, fan with motor, and
4.5.1.2 Height does not include legs when applicable.
enclosing casing.
4.5.2 Horizontal Cabinet, Style 2 (Refrigerator or Freezer):
3.1.6 evaporator coils (static)—refrigerated inner liner with
Net Maximum Maximum
the refrigerating coils incorporated in or attached to the walls Maximum
Sizes Capacity Overall Height
Width
of the unit.
ft (L) Storage Depth without Legs
in. (mm)
ft (L) in. (mm) in. (mm)
3.1.7 explosion proof—refers to a specific requirement for
5 (142) 4.5 (127) 40 (1016) 28 (711) 28 (711)
equipment used in hazardous atmospheres.
10 (283) 8 (227) 49 (1245) 28 (711) 28 (711)
3.1.8 horizontal cabinet—any cabinet of undercounter or
20 (566) 18 (510) 84 (2134) 28 (711) 28 (711)
30 (850) 27 (765) 115 (2921) 28 (711) 28 (711)
counter height design.
3.1.9 modular—particular method of cabinet construction,
4.5.2.1 Depth shown is maximum overall with door in-
which allows the cabinet and all of its components to be
stalled.
dissembled and reassembled for ease of installation.
4.5.2.2 Height does not include legs when applicable.
3.1.10 positive latching hardware—any latching mecha-
4.5.3 Combination Refrigerator/Freezer Cabinet:
nism that requires that the latch be disengaged before the door
Total Low Maximum Maximum
Maximum
can be opened. Sizes Capacity Temperature Overall Height
Width
ft (L) Storage Capacity Depth without Legs
in. (mm)
3.1.11 thaw—equipment designed to accelerate the defrost-
3 3
ft (L) ft (L) in. (mm) in. (mm)
ing process of perishable products.
10 (283) 9 (255) 3 (85) 31 (787) 29 (737) 66 (1676)
3.1.12 undercounter—cabinet which has a maximum height
15 (425) 14 (396) 6 (170) 39 (991) 29 (737) 72 (1829)
20 (566) 19 (538) 8 (227) 51 (1295) 29 (737) 74 (1880)
of no more than 36 in. (916 mm).
30 (850) 29 (821) 13 (368) 64 (1626) 32 (813) 74 (1880)
3.1.13 unitary—single piece cabinet construction.
40 (1133) 39 (1104) 18 (510) 68 (1727) 34 (864) 74 (1880)
3.1.14 vertical cabinet—any cabinet with single or multiple
4.5.3.1 Depth shown is maximum overall with door in-
door arrangements whose height is its greatest dimension and
stalled.
is in excess of 36 in. (914 mm).
4.5.3.2 Height does not included legs when applicable.
4.5.4 Thaw Cabinets:
4. Classification
Maximum Maximum Maximum
Size Width Depth Height
4.1 General—Refrigerators, freezers, combination
in. (mm) in. (mm) in. (mm)
refrigerator/freezers or thaw cabinets covered by this specifi-
One Section 48 (1219) 32 (813) 84 (2134)
cation are classified by types, grades, classes, styles, and sizes.
Two Section 72 (1829) 32 (813) 84 (2134)
4.2 Type:
4.6 Styles:
4.2.1 Type I—Refrigerator.
4.6.1 Style 1—Manual loading, stationary or fixed shelving.
4.2.2 Type II—Freezer.
4.6.2 Style 2—Roll-in cart loading.
4.2.3 Type III—Combination refrigerator/freezer.
4.2.4 Type IV—Thaw cabinet.
5. Ordering Information
4.3 Grades:
5.1 Ordering Data—Purchasers shall select refrigerators,
4.3.1 Grade 1—Vertical cabinet.
freezers, combination refrigerator/freezers or thaw cabinet
4.3.2 Grade 2—Horizontal cabinet.
equipment and any preferred options and include the following
4.4 Classes:
information in the purchasing document:
4.4.1 Class 1—Modular construction.
5.1.1 Title, number, and date of this specification,
4.4.2 Class 2—Unitary (single piece) construction. 5.1.2 Type, grade, class, style, and size of unit required,
5.1.3 Desired exterior and interior finishes,
4.5 Sizes—The following tables depict the sizes of the
various types of units. This specification does not purport to 5.1.4 Quantity to be furnished,
address all of the sizes that may be available, but is an
5.1.5 Electrical power supply characteristics; voltage,
overview of the most common sizes used in the industry today.
phase, frequency,
4.5.1 Vertical Cabinet, Style 1 (Refrigerator or Freezer): 5.1.6 Number of doors, swing, type (solid or glass),
F2520 – 05
5.1.7 Accessory equipment: such as spare parts, mainte- the condensing unit can be located either to the left or right of
nance parts required, or other options available by the manu- the storage compartment unless it is remote.
facturer, or a combination thereof,
7.2.3 Refrigerated Metering—If a thermal expansion valve
5.1.8 When Federal/Military procurement is required, re-
is used, it shall adhere to the ASHRAE 15, which addresses
view and implement the applicable supplementary require-
system working pressures.
ments (see S1 through S8.8.3),
7.2.4 Evaporated Coil Assembly (Forced Air)—The coiling
5.1.9 When specified, the purchaser shall be furnished
coil shall be finned tube construction using copper tubes. The
certificationthatsamplesrepresentingeachlothavebeeneither
coil tube sheets shall be aluminum, copper, or brass. The fan
tested or inspected as directed in this specification and the
hub shall be corrosion resistant. The fan and motor shall be
requirements have been met.When specified, a copy of the test
direct mounted. The grill opening, shroud, and enclosing
results shall be furnished, (see 14.1 through 14.3),
casing shall be corrosion resistant.
5.1.10 Level of preservation and packing required if other
7.2.5 Condensate Drain—All models incorporating forced
than as stated in Practice D3951 (see 17.1),
air evaporators shall provide a thermostatically controlled
5.1.11 Other custom features or requirements desired, and
vaporizer pans as means of disposing of evaporator runoff.An
5.1.12 Labeling requirements (if different than 15.1).
alternate means of condensate evaporation, which allow con-
nection to plumbing, is acceptable. When condensate evapo-
6. Materials and Manufacture
rators are used, they shall have a minimum capacity of 32 oz.
7.3 Modular Construction:
6.1 General—Refrigerators, freezers, combination
refrigerator/freezers or thaw cabinets shall conform to NSF/
7.3.1 Panel Construction—Modular units consisting of
ANSI No. 7. Materials used shall be new and free from defects panel construction must fit together in such a way that, when
or reclaimed and recycled conforming to the same quality
reassembled, the panels cannot move more than ⁄16 in. (1.6
standards for new materials. mm) in any direction.
6.1.1 Corrosion-Resistant Steel—Corrosion-resistant steel
7.3.2 Fastening Methods—For modular constructed units,
shall conform to Specification A167 and the requirements on
in the assembly process, only those types of fastening methods
300 or 430 series of stainless steels as applicable.
can be used which would allow the unit to be disassembled at
6.1.2 Non-Corrosion Resistant Steel—Mild steel used shall
a future date without the use of special tools or methods which
have been treated with a coating of either zinc, chrome, nickel,
might damage or disfigure the unit. No permanent fastening
paint, or similar material to inhibit corrosion.
means of the sub-components to one another, such as welding,
6.1.3 Aluminum—Aluminum alloys shall conform to the
brazing, soldering, or the use of epoxies or other adhesives is
requirements of NSF/ANSI No. 7.
acceptable.
6.1.4 Seamless Copper Tubing—All refrigerant lines used
7.3.3 Access Caps—The caps used to seal the panel fastener
in the system shall be of seamless copper tubing conforming to
access hole, when installed shall be watertight and have flared
Specification B280.
edges. Access caps, as installed, shall conform to NSF/ANSI
6.1.5 Hardware, Fittings, Fasteners—All materials used as
No. 7.
hardware, fittings, and fasteners shall be of a corrosion-
7.3.4 Modular Refrigeration Systems—The refrigeration
resistant material.
system shall be furnished fully assembled, and operational. It
6.1.6 Ozone Depleting Compounds—Type one ozone de-
will have been previously charged, tested, and all controls
pleting compounds shall not be used as a refrigerant or as a
properly adjusted. The system shall have the capability, if
component of foam insulation and shall be the manufacturer’s
being partially disassembled and reassembled, at the time of
standard chemicals.
installation, without the need of an additional refrigerant
charge or control adjustments. The condensing unit shall be
7. Design and Construction
able to be removed from the condensing unit compartment for
ease in moving the cabinet base section.
7.1 General—Refrigerators, freezers, combination
7.3.5 Modular Refrigerant Couplings—The refrigeration
refrigerator/freezers, or thaw cabinets shall be the manufactur-
er’s standard product delivered assembled, ready for mounting, lines shall be connected by using self-sealing refrigerant
couplings. The couplings are to be specifically designed for
and connected to electricity and used as applicable. Storage
temperatures of units shall meet the requirements specified by refrigeration applications and shall be used in sets (liquid and
suction lines). There shall be a minimum of two sets in a
NSF/ANSI No. 7.
7.2 Refrigeration Equipment: system. Larger systems may require additional sets. The
refrigerant couplings are to be a type, which would all
...