ANSI UL 907-2016 UL Standard for Safety Fireplace Accessories (Fourth Edition).pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 907 Fireplace Accessories STANDARD FOR SAFETYUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED

2、FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Fireplace Accessories, UL 907 Fourth Edition, Dated March 11, 2016 Summary of Topics This Fourth Edition of the Standard for Fireplace Accessories, UL 907 is being issued as an Editorial New Edition update

3、 only. No changes to the requirements have been made. 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 prior permission of UL. UL provides th

4、is 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 similar damages, including loss of prot

5、s, 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 ever exceed the price paid for this St

6、andard, 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 fees) resulting from any error or devia

7、tion introduced while purchaser is storing an electronic Standard on the purchasers computer system. MARCH 11, 2016 UL 907 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MARCH 11, 2016 UL 907 tr2 No Text on This PageUL COPYRIGHTED MATERI

8、AL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MARCH 11, 2016 1 UL 907 Standard for Fireplace Accessories First Edition March, 1989 Second Edition September, 1994 Third Edition February, 2010 Fourth Edition March 11, 2016 This ANSI/UL Standard for Safety consis

9、ts of the Fourth edition. The most recent designation of UL 907 as a Reaffirmed American National Standard (ANS) occurred on June 12, 2014. ANSI approval for a standard does not include the Cover Page, Transmittal Pages and Title Page. Comments or proposals for revisions on any part of the Standard

10、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. All o

11、f ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall remain the sole and exclusive property of UL. COPYRIGHT 2016 UNDERWRITERS LABORATORIES INC. ANSI/UL 907-2006 (R2014)UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMI

12、SSION FROM UL MARCH 11, 2016 FIREPLACE ACCESSORIES - UL 907 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 Terminology 6 5 Undated References

13、6 6 Glossary .6 CONSTRUCTION 7 Materials .7 8 Assembly 8 8.1 General .8 8.2 Separable handle .9 8.3 Firescreen 10 PERFORMANCE 9 General .10 10 Test Installation .11 11 Temperature Measurement 17 12 Fire Tests 24 13 Radiant Fire Test .25 14 Brand Fire Test .32 15 Flash Fire Test .35 16 Glazing Test .

14、36 16.1 General .36 16.2 Impact test 36 16.3 Water shock test .37 17 Carbon Monoxide Monitoring Test 38 BLOWER ASSEMBLY CONSTRUCTION 18 General 39 19 Enclosure 39 19.1 General .39 19.2 Mechanical protection .43 19.3 Electrical protection .44 19.4 Doors and covers 47 20 Mounting of Electrical Compone

15、nts .48 21 Field-Installed Blower Assemblies .49 22 Field Supply Connections 50 22.1 Permanently-connected products .50 22.2 Cord-connected products 52 23 Grounding .52 23.1 General .52 23.2 Permanently-connected products .53 MARCH 11, 2016 FIREPLACE ACCESSORIES - UL 907 3UL COPYRIGHTED MATERIAL NOT

16、 AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 23.3 Cord-connected products 54 24 Internal Wiring 54 24.1 General .54 24.2 Methods 55 25 Separation of Circuits .57 26 Bonding for Grounding 58 27 Capacitors .60 28 Insulating Material 61 29 Motors and Motor Overcurrent

17、 (Overload) Protection 61 30 Switches and Controllers 65 31 Transformers .65 32 Spacings 66 PERFORMANCE 33 Test Voltages 69 34 Temperature Measurements .70 34.1 Thermocouple method 70 34.2 Change-in-resistance method 70 35 Input Test 71 36 Temperature Test Electrical Components 71 37 Dielectric Volt

18、age-Withstand Test .71 38 Leakage Current Test .72 39 Stalled Motor Test 75 40 Strain Relief Test .75 40.1 Power supply cord 75 40.2 Field wiring leads .75 41 Push-Back Relief Test .75 42 Short-Circuit Test .76 43 Knockout Test 76 MANUFACTURING AND PRODUCTION TESTS 44 Production-Line Dielectric Volt

19、age-Withstand Test 76 45 Production Line Grounding Continuity Test .77 MARKINGS 46 General 77 47 Installation and Operating Instructions .80 47.1 General .80 47.2 Installation instructions 80 47.3 Operating instructions .82 APPENDIX A Standards for ComponentsA1 MARCH 11, 2016 FIREPLACE ACCESSORIES -

20、 UL 907 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements apply to replace accessories that are intended only for eld installation into or attachment to existing masonry replaces. Fireplace accessor

21、ies include items such as heat exchangers, glass door assemblies, and the like. For the purpose of these requirements, replace accessories do not include replace inserts or devices that incorporate a closed re chamber. 1.2 Fireplace accessories as covered by these requirements are intended for insta

22、llation in accordance with the Standard for Chimneys, Fireplaces, Vents and Solid Fuel Burning Appliances, NFPA 211, and in accordance with codes such as the International Building Code, International Mechanical Code, and related mechanical codes. 1.3 A replace accessory, as covered by these require

23、ments, is intended for use with solid wood fuel, as specied by the manufacturer. 1.4 These accessories may include: a) Field-installed cord-connected or xed blower assemblies; and b) Other eld-installed electrical accessories rated at 250 volts or less to be employed in ordinary locations in accorda

24、nce with the National Electrical Code, NFPA 70. 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. See Appendix A for a list of standards covering components generally used in the products covered by t

25、his standard. 2.2 A component is not required to comply with a specic requirement that: a) Involves a feature or characteristic not required in the application 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 us

26、ed in accordance with its rating established for the intended conditions of use. 2.4 Specic components are incomplete in construction features or restricted in performance capabilities. Such components are intended for use only under limited conditions, such as certain temperatures not exceeding spe

27、cied limits, and shall be used only under those specic conditions. MARCH 11, 2016 FIREPLACE ACCESSORIES - UL 907 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 3 Units of Measurement 3.1 Values stated without parentheses are the requiremen

28、t. Values in parentheses are explanatory or approximate information. 4 Terminology 4.1 The term product as used in these requirements refers to all replace accessories or any part thereof covered by these requirements unless specically noted otherwise. 5 Undated References 5.1 Any undated reference

29、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. 6 Glossary 6.1 For the purpose of this standard, the following denitions apply. 6.2 COMBUSTIBLE MATERIAL, NONCOMBUSTIBLE MATERIAL These terms, as use

30、d in this standard, are dened in the Standard for Chimneys, Fireplaces, Vents, and Solid Fuel-Burning Appliances, NFPA 211. 6.3 DOOR ASSEMBLY A factory-built device intended for eld attachment to the front of a replace. 6.4 FIREPLACE, MASONRY A eld constructed assembly that is built in accordance wi

31、th the Standard for Chimneys, Fireplaces, Vents and Solid Fuel Burning Appliances, NFPA 211, or other nationally recognized code requirements. 6.5 FIREPLACE ENCLOSURE The combustible building materials adjacent to the masonry replace test xture consisting of walls, ceiling, oor, and the like. 6.6 FI

32、RESCREEN A device that attaches to the replace accessory, consisting of a mesh type screen, used to reduce the risk of sparks exiting the re chamber. 6.7 GRATE A metal frame for supporting fuel within a replace accessory. 6.8 HEARTH The oor area within a re chamber. 6.9 HEARTH EXTENSION The oor area

33、 outside a replace re chamber consisting of noncombustible material. 6.10 HEAT EXCHANGER A factory-built device for use with a replace consisting of tubes or ducts that are intended to expel heated air into a room, zone or space to be heated. A device that incorporates a closed re chamber is not con

34、sidered a heat exchanger. 6.11 REFLECTOR A product intended to reect additional radiant heat from the replace. 6.12 REFRACTORY A noncombustible material used in the construction of a replace or replace accessory. 6.13 REMOTE COMBUSTION AIR Combustion air introduced into a replace that comes from a r

35、oom, zone, or space other than that in which the replace is located. MARCH 11, 2016 FIREPLACE ACCESSORIES - UL 907 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONSTRUCTION 7 Materials 7.1 A replace accessory or part shall be made of non

36、combustible corrosion-resistant materials. Metals shall be used in combinations that are galvanically compatible at any location within the assembly. 7.2 The minimum thickness of metal, including coatings where shown, shall comply with Table 7.1. Exception No. 1: This requirement does not apply to e

37、lectrical enclosures. See Enclosure, Section 19. Exception No. 2: This requirement does not apply to decorative parts. Table 7.1 Minimum metal thickness Metal Inch (mm) Aluminum alloys 0.016 (0.41) Steel (uncoated, painted or plated) 0.042 (1.07) Galvanized Steel (G90 coating class) 0.018 (0.46) Gal

38、vanized steel (G60 coating class) 0.025 (0.64) Aluminum-coated steel Type T1-40 (regular) 0.40 ounces per square foot (0.12 kg/m 2 ) 0.018 (0.46) Stainless steel 0.012 (0.30) 7.3 Thermal insulation material shall be of a metal or mineral base. 7.4 Thermal insulation shall comply with the following c

39、onditions when the replace accessory is tested in accordance with these requirements: a) The products resulting from the combustion or volatilization of any combustible binder shall be discharged to the chimney; b) The insulating material shall remain in its intended position; c) The thermal conduct

40、ivity of the insulating material shall not be increased; and d) The thermal insulation shall not show evidence of softening, melting, or deterioration. 7.5 Thermal insulation shall be protected against contact with the products of combustion. 7.6 Thermal insulation that is not self-supporting shall

41、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 with these requirements and at 0F (minus 17.8C). MARCH 11, 2016 FIREPLACE ACCE

42、SSORIES - UL 907 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 7.7 A water-absorbing insulating material shall be protected against wetting by condensation or rain when installed as intended. 7.8 Asbestos and asbestos-containing material

43、shall not be used. 8 Assembly 8.1 General 8.1.1 A replace accessory and related parts shall be constructed and assembled to have the strength, rigidity, and durability to withstand damage during tests in accordance with these requirements and during handling and installation. 8.1.2 A joint in a meta

44、l surface of a re chamber or ue gas passageway shall be made tight by being welded, lock-seamed, riveted, bolted, or the like. A joint shall not depend primarily upon cement for tightness. 8.1.3 A replace accessory shall be provided with all the parts necessary for the intended installation of a com

45、plete unit. Each part or assembly shall be constructed for ready attachment of one to the other without requiring alteration, cutting, threading, drilling, welding, or similar task by the installer. Exception: An assembly or component part intended to be cut to length or to be tted by the installer

46、may be provided if 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 acceptable if: a) The drilling operation does not weaken the assembly or drill into

47、 the re chamber; and b) The size of the required drill bit is specied and instructions clearly describe the locations to be drilled, such as by the use of templates, drawings, descriptions, or the like. 8.1.4 Insulating materials shall be an integral part of the device if required to protect combust

48、ible parts of the building when the replace accessory is installed in accordance with the manufacturers instructions. Exception: Fire chamber insulating materials may be packaged and shipped with the replace accessory if: a) The installation instructions include a description of the method of placem

49、ent of this material; and b) The replace accessory is provided with a marking indicating that the material is to be installed before ring. The marking shall be located in an area visible to the user before ring the unit. 8.1.5 Two or more parts or subassemblies that must bear a denite relationship to each other shall be: a) Arranged and constructed to permit them to be incorporated into the complete assembly without need for alteration or alignmen