1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 2162 Commercial Wood-Fired Baking Ovens Refractory TypeUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT A
2、UTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Commercial Wood-Fired Baking Ovens Refractory Type, UL 2162 First Edition, Dated May 23, 2014 Summary of Topics This First Edition of ANSI/UL 2162 includes a rst time ANSI approval. The requireme
3、nts are substantially in accordance with Proposal(s) on this subject dated January 24, 2014. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwise without
4、 prior permission of UL. UL provides this Standard as is without warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of merchantability or tness for any purpose. In no event will UL be liable for any special, incidental, consequential, indirect or
5、similar damages, including loss of prots, lost savings, loss of data, or any other damages arising out of the use of or the inability to use this Standard, even if UL or an authorized UL representative has been advised of the possibility of such damage. In no event shall ULs liability for any damage
6、 ever exceed the price paid for this Standard, regardless of the form of the claim. Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold UL harmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonable attorneys
7、fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. The requirements in this Standard are now in effect, except for those paragraphs, sections, tables, gures, and/or other elements of the Standard having future e
8、ffective dates as indicated in the note following the affected item. The prior text for requirements that have been revised and that have a future effective date are located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice. MAY 23, 2014 UL 2162 tr1UL COPYRIGHTED MATERIAL NOT
9、AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MAY 23, 2014 UL 2162 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MAY 23, 2014 1 UL 2162 Standard for Commercial Wood-Fired Baking Oven
10、s Refractory Type Prior to the rst edition, the requirements for the products covered by this standard were included in the Outline of Investigation for Commercial Wood-Fired Baking Ovens Refractory Type, UL 2162. First Edition May 23, 2014 This ANSI/UL Standard for Safety consists of the First Edit
11、ion. The most recent designation of ANSI/UL 2162 as an American National Standard (ANSI) occurred on May 23, 2014. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Page, or effective date information. Comments or proposals for revisions on any part of the Standa
12、rd may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at http:/. ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be altered in any way. Al
13、l of ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall remain the sole and exclusive property of UL. COPYRIGHT 2014 UNDERWRITERS LABORATORIES INC. ANSI/UL 2162-2014UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSIO
14、N FROM UL MAY 23, 2014 COMMERCIAL WOOD-FIRED BAKING OVENS REFRACTORY TYPE - UL 2162 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .5 2 Components 5 3 Units of Measurement .6 4 Undated Ref
15、erences 6 5 Glossary .6 6 Terminology 6 CONSTRUCTION 7 Materials .6 8 Assembly 8 9 Joints 9 10 Support Assembly .9 11 Ventilation Openings .9 PERFORMANCE 12 General 10 13 Test Installations 11 13.1 General .11 13.2 Enclosure .11 13.3 Exhaust hood 11 13.4 Wood storage 12 14 Temperature Measurement 13
16、 15 Fire Tests 18 16 Rapid Fire Test .23 17 Normal Operation Fire Test 24 18 Abnormal Operation Fire Test 25 19 Flame Spillage Fire Test .25 20 Glazing Test .26 20.1 General .26 20.2 Impact test 26 20.3 Water shock test .27 21 Thermal Conductivity Test .28 22 Refractory Material Strength Test .29 23
17、 Fire Chamber Strength Test 30 MARKINGS 24 General 31 25 Marking Permanence Tests 32 25.1 General .32 25.2 Air oven aging test 33 25.3 Humidity test .33 25.4 Unusual condition exposure test .33 MAY 23, 2014 COMMERCIAL WOOD-FIRED BAKING OVENS REFRACTORY TYPE - UL 2162 3UL COPYRIGHTED MATERIAL NOT AUT
18、HORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INSTRUCTIONS 26 Installation and Operating Instructions .33 26.1 General .33 26.2 Installation instructions 34 26.3 Operating instructions .35 MAY 23, 2014 COMMERCIAL WOOD-FIRED BAKING OVENS REFRACTORY TYPE - UL 2162 4UL COP
19、YRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements apply to commercial wood-red ovens intended for use by commercial establishments for the purpose of cooking or baking food products utilizing solid wood fu
20、el. These ovens utilize as their primary enclosure, refractory materials. 1.2 For the purposes of this standard: a) It is anticipated the ovens described in 1.1 will be vented by an exhaust hood as covered by the Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations,
21、NFPA 96, or an exhaust hood tested for compliance with the requirements in the Standard for Exhaust Hoods for Commercial Cooking Equipment, UL 710. b) Minimum exhaust hood size including minimum height, depth, and length of the hood as well as minimum hood overhangs, minimum exhaust air ows, and max
22、imum hood height above the oven shall be established as part of the investigation. c) The seismic stability of the oven and support system is not anticipated in this document. 1.3 The wood-red baking ovens as covered by these requirements are intended for installation in accordance with the National
23、 Electrical Code, NFPA 70, and other codes such as the International Mechanical Code and the Uniform Mechanical Code. The exhaust hoods referenced in these requirements are intended for installation in accordance with the Standard for Ventilation Control and Fire Protection of Commercial Cooking Ope
24、rations, NFPA 96. 2 Components 2.1 Except as indicated in 2.2, a component of a product covered by this standard shall comply with the requirements for that component. 2.2 A component is not required to comply with a specic requirement that: a) Involves a feature or characteristic not in the applica
25、tion of the component in the product covered by this standard; or b) Is superseded by a requirement in this standard. 2.3 A component shall be used in accordance with its rating established for the intended conditions of use. 2.4 Specic components are incomplete in construction features or restricte
26、d in performance capabilities. Such components are intended for use only under limited conditions, such as certain temperatures not exceeding specied limits, and shall be used only under those specic conditions. MAY 23, 2014 COMMERCIAL WOOD-FIRED BAKING OVENS REFRACTORY TYPE - UL 2162 5UL COPYRIGHTE
27、D MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 3 Units of Measurement 3.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 3.2 Unless otherwise indicated, all voltage and current va
28、lues mentioned in this standard are root-mean-square (rms). 4 Undated References 4.1 Any undated reference to a code or standard appearing in the requirements of this standard shall be interpreted as referring to the latest edition of that code or standard. 5 Glossary 5.1 For the purpose of this sta
29、ndard the following denitions apply. 5.2 COMBUSTIBLE MATERIAL, NONCOMBUSTIBLE MATERIAL The terms used in this standard are dened in the Standard Glossary of Terms Relating to Chimneys, Vents, and Heat-Producing Appliances, NFPA 97. 5.3 WOOD-FIRED OVEN A factory- or eld-assembled oven intended to coo
30、k products utilizing solid wood fuels only. 6 Terminology 6.1 Use of the term product in these requirements refers to all wood-red ovens or any part thereof covered by these requirements unless specically noted otherwise. CONSTRUCTION 7 Materials 7.1 An oven part shall be made of noncombustible corr
31、osion-resistant materials. Metals shall not be used in combinations at any location within the assembly that may cause galvanic action. 7.2 The minimum thickness of sheet metal including any coatings and of other materials shall comply with Table 7.1. MAY 23, 2014 COMMERCIAL WOOD-FIRED BAKING OVENS
32、REFRACTORY TYPE - UL 2162 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Table 7.1 Minimum metal thickness Material inch (mm) Aluminum-coated steel Type T1-40 regular 0.40 oz per sq ft (0.12 kg/m 2 ) 0.018 (0.46) Aluminum alloys 0.016 (0.4
33、1) Cast iron 0.125 (3.18) Galvanized steel (G60 coating class) 0.018 (0.46) Porcelain-enameled steel 0.032 (0.81) Stainless steel 0.012 (0.30) Steel (uncoated or painted) 0.042 (1.07) 7.3 Aluminum alloys containing more than 1 percent magnesium shall not be used when the reectivity of the material i
34、s used to reduce the risk of re. 7.4 The re chamber of the oven and other parts in contact with ue gases that are visible after installation shall be of material having the durability and resistance to re and heat equivalent to re refractories, Series 300 or 400 stainless steel, aluminum-coated stee
35、l, cast iron, or 0.042 inch (1.07 mm) thick unprotected or painted steel. 7.5 Cast iron and unprotected and painted sheet steel complying with the requirements of notes (k) and (l) in Table 15.1 comply with the requirements of 7.4. 7.6 Parts that are in contact with ue gases and that are not visible
36、 after installation shall be of a material having the durability and resistance to corrosion, re, and heat equivalent to reclay tile or Series 300 or 400 stainless steel. 7.7 Thermal insulation material shall be of metal or of a mineral base. 7.8 Thermal insulation shall comply with the following co
37、nditions when the oven is tested in accordance with these requirements: a) The insulation shall not show evidence of softening, melting, or deterioration. b) Except for binder materials, thermal insulation material shall be noncombustible. c) Thermal insulation shall not come into contact with the p
38、roducts of combustion. d) Thermal insulation that is not self-supporting shall be applied to solid surfaces so that the insulation does not sag. An adhesive or cement used to attach such material shall retain its adhesive qualities at any temperature the adhesive may attain when tested in accordance
39、 with these requirements and at 0F (minus 18C). e) Adhesives or cements used in the installation of insulating materials shall have a ame spread rating of 25 or less when tested in accordance with the Standard for Test for Surface Burning Characteristics of Building Materials, UL 723. f) A water-abs
40、orbing insulating material shall not be subject to wetting by condensation when installed as intended. g) Asbestos material shall not be used. MAY 23, 2014 COMMERCIAL WOOD-FIRED BAKING OVENS REFRACTORY TYPE - UL 2162 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WI
41、THOUT PERMISSION FROM UL 7.9 A device shall be provided to indicate the oven operating temperature. This device shall measure either the oven air temperature or the temperature of the refractory material or both. An electrically operated temperature-indicating device shall comply with the applicable
42、 requirements in the Standard for Temperature-Indicating and -Regulating Equipment, UL 873, or it shall be evaluated as an operating control with class A control functions to the Standard for Automatic Electrical Controls for Household and Similar Use, Part 1: General Requirements, UL 60730-1 in add
43、ition to the Standard for Automatic Electrical Controls for Household and Similar Use; Part 2: Particular Requirements for Temperature Sensing Controls, ANSI/UL 60730-2-9. 8 Assembly 8.1 An oven shall consist of all the essential parts necessary for the intended installation of the complete oven ass
44、embly. Each part of the assembly shall be constructed for ready attachment to the other without requiring alteration by the installer, such as cutting, threading, drilling, welding, or similar tasks. Exception: An assembly or component part intended to be cut to length or to be tted by the installer
45、 may be provided when means are furnished for joining any altered part to a companion part or assembly. All fasteners required to complete the assembly shall be provided with the product by the manufacturer. Drilling is not prohibited when: a) The drilling operation does not weaken the assembly or p
46、enetrate into the ue liner; and b) The size of the required drill bit is specied and the instructions clearly describe the locations to be drilled, such as by the use of drawings, descriptions, templates, or the like. 8.2 Two or more parts or subassemblies that bear a denite relationship to each oth
47、er in the intended application shall be: a) Arranged and constructed to permit them to be incorporated into the complete assembly without need for alteration or alignment and only in the intended relationship with each other; or b) Assembled and shipped from the factory as one unit. 8.3 Each part, s
48、uch as an oven ue section or support element, shall be completely assembled by the manufacturer at the factory. 8.4 When an oven ue assembly incorporates elbows, no part of the oven ue shall be at an angle of more than 30 degrees from the vertical at any point in the assembly, and the oven connector
49、 shall not include more than one offset (two elbows). MAY 23, 2014 COMMERCIAL WOOD-FIRED BAKING OVENS REFRACTORY TYPE - UL 2162 8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 9 Joints 9.1 Parts of an oven shall be joined and secured so that they do not disengage when tested in accordance with these requirements. 9.2 When screws are used to join assemblies during installation, the assemblies to be joined shall
