ANSI CSA AM Z21.97-2014 CSA 2.41-2014 Outdoor decorative gas appliances (Second Edition).pdf

1、ANSI Z21.97-2014 CSA 2.41-2014Outdoor decorative gas appliancesLegal Notice for StandardsCanadian Standards Association and CSA America, Inc. (operating as “CSA Group”) develop standards through a consensus standardsdevelopment process approved by the Standards Council of Canada and the American Nat

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18、conditions of this Legal Notice.Revision HistoryANSI Z21.97-2014 CSA 2.41-2014,Outdoor decorative gas appliancesRevision from first edition Revision symbol (inmargin)Clauses 3, 4.11.14, 4.11.15, 4.11.16, 4.19.2, 4.19.16, 5.13, 5.17.4,5.20.4, 5.20.5, and 5.20.6Standards UpdateServiceANSI Z21.97-2014

19、CSA 2.41-2014March 2014Title: Outdoor decorative gas appliancesTo register for e-mail notification about any updates to this publication go to shop.csa.ca click on CSA Update ServiceThe List ID that you will need to register for updates to this publication is 2422779.If you require assistance, pleas

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22、416-747-4044.TMA trade-mark of the Canadian Standards Association and CSA America Inc., operating as “CSA Group”American National Standards Institute, Inc.Interprovincial Gas Advisory CouncilApproved on February 20, 2014 by ANSIApproved on February 18, 2014 by IGACEffective in Canada August 1, 2015O

23、utdoordecorativegas appliancesANSI Z21.97-2014 CSA 2.41-2014ANSI Z21.97-2014 CSA 2.41-2014Outdoor decorative gas appliancesMarch 2014 2014 CSA Group 1ContentsInterprovincial Gas Advisory Council 3Z21/83 Technical Committee on Performance and Installation of Gas Burning Appliances and RelatedAccessor

24、ies 5Canadian Technical Committee on Gas Appliances and Related Accessories 8Joint Technical Subcommittee on Standards for Decorative Gas Appliances 10Preface 131 Scope 152 Reference publications 173 Definitions 204 Construction 264.1 General construction and assembly 264.2 Materials 284.3 Main burn

25、ers 294.4 Primary air adjustment means 304.5 Orifices and orifice fittings 304.6 Automatic gas ignition systems 314.7 Manual ignition of main burner(s) 324.8 Manual gas valves 334.9 Gas supply lines 344.10 Gas hose assemblies 374.11 Self-contained LP-gas supply systems 374.12 Enclosures for self-con

26、tained LP-gas supply systems 414.13 Thermostats 424.14 Automatic valves 424.15 Gas appliance pressure regulators 434.16 Adjustment of minimum input rating 434.17 Electrical equipment and wiring 434.18 Instructions 434.19 Marking 495 Performance 555.1 General 555.2 Test gases 555.3 Test pressures and

27、 burner adjustments 565.4 Combustion 575.5 Burner operating characteristics 585.6 Pilot operating characteristics 595.7 Automatic gas ignition systems 605.8 Direct ignition systems 63ANSI Z21.97-2014 CSA 2.41-2014Outdoor decorative gas appliancesMarch 2014 2014 CSA Group 25.9 Manual ignition systems

28、 645.10 Manually operated gas valves 655.11 Gas appliance pressure regulators 685.12 Automatic valves 685.13 Dual cylinder manifold 695.14 Manifold and gas control assembly capacity 695.15 Wall, floor, and ceiling temperatures 705.16 Rain test 725.17 Wind test 755.18 Burner durability 765.19 Glass p

29、anels 765.20 Appliance structure 785.21 Orifice and orifice fitting temperatures 795.22 Marking material adhesion and legibility 805.23 Manufacturing and production tests 806 Production and manufacturing tests 817 Items unique to the United States 837.1 Electrical equipment and wiring 838 Items uniq

30、ue to Canada 94Annex A (normative) Provisions for listed gas appliance conversion kits (optional) 99Annex B (normative) Sample failure modes and effects analysis for component miswiring* 102Annex C (informative) Pertinent references to ANSI Y14.15 103Annex D (informative) Wire color designations 104

31、Annex E (informative) Recommended wire color usage 105Annex F (informative) Preferred graphic symbols of commonly used items, extracted from standardANSI/IEEE 315, Graphic symbols for electrical and electronics diagrams, andabbreviations for these items 106Annex G(informative) Table of conversion fa

32、ctors 108ANSI Z21.97-2014 CSA 2.41-2014Outdoor decorative gas appliancesMarch 2014 2014 CSA Group 3InterprovincialGas AdvisoryCouncilJ. Renaud Rgie du btiment du Qubec,Montral, Qubec, CanadaChairJ. Marshall Technical Standards b) relevant clause,table, and/or figure number;c) wording of the proposed

33、 change; andd) rationale for the change.6) To submit a request for interpretation of this Standard, please send the following information toinquiriescsagroup.organd include “Request for interpretation” in the subject line:a) define the problem, making reference to the specific clause, and, where app

34、ropriate, include anillustrative sketch;b) provide an explanation of circumstances surrounding the actual field condition; andc) where possible, phrase the request in such a way that a specific “yes” or “no” answer will address theissue.Committee interpretations are processed in accordance with the

35、CSA Directives and guidelines governingstandardization and are available on the Current Standards Activities page at standardsactivities.csa.ca.ANSI Z21.97-2014 CSA 2.41-2014Outdoor decorative gas appliancesMarch 2014 2014 CSA Group 14History of the developmentof ANSI Z21.97-2014 CSA 2.41-2014Note:

36、This history is informative and is not part of the standard.The draft standard for outdoor decorative gas appliances was based on coverage from IAS U.S.Requirements for Outdoor Gas Fireplaces, No. 4-96; the Standard for Outdoor cooking gas appliances,ANSI Z21.58-2007CSA 1.6-2007;and the Standard for

37、 Vented gas fireplaces,ANSI Z21.50-2007 CSA 2.22-2007.In 2007, due to an increase in the development and use of outdoor gas fireplaces, CSA America wasapproached by the Hearth, Patio and Barbeque Association (HPBA) to develop an American NationalStandard for outdoor open flame decorative gas applian

38、ces.A working group was formed and a draftstandard developed. During March 2008, the draft standard was transferred to the Z21/CSA JointTechnical Advisory Group (TAG) on Standards for Decorative Gas Appliances for review. Revisions weremade to the draft standard, and during the TAGs October 29, 2008

39、 meeting the first draft standard wasapproved for distribution for review and comment.Following reconsideration, modification, and additional reviews of the proposed draft standard, the jointTAG during its July 27, 2009 meeting recommended the proposed draft standard to the Z21/83 TechnicalCommittee

40、 for approval.The Z21/83 Technical Committee approved the proposed standard for outdoor decorative gas applianceson November 18, 2009.The American National Standards Institute, Inc., on January 5, 2010, approved the first edition of theAmerican National Standard For Outdoor Decorative Gas Appliances

41、,ANSI Z21.97.The following identifies the designation and year of the first edition of the standard: ANSI Z21.97-2010The draft standard was distributed for Review and Comment during July 2009.The CSA Technical Committee approved the first harmonized standard for outdoor decorative gasappliances on A

42、pril 4, 2012; and the Z21/83 Technical Committee approved it on April 3, 2012.The first edition of the harmonized Standard for Outdoor decorative gas applianceswas approved by theInterprovincial Gas Advisory Council (IGAC) on July 27, 2012, and by the American National StandardsInstitute, Inc. on Au

43、gust 1, 2012.This, the second edition of the Standard for Outdoor decorative gas applianceswas distributed forindustry review during June 2010, March 2012 and December 2012; and approved by the Z21/83Technical Committee on Performance and Installation of Gas Burning and Related AccessoriesonDecember

44、 20, 2013; the Canadian Technical Committee on Gas Appliances and Related AccessoriesonOctober 30, 2013; ANSI on February 20, 2014; and the IGAC on February 18, 2014.The following identifies the designation and year of this Standard:ANSI Z21.97-2014 CSA 2.41-2014ANSI Z21.97-2014 CSA 2.41-2014Outdoor

45、 decorative gas appliancesMarch 2014 2014 CSA Group15ANSI Z21.97-2014 CSA 2.41-2014Outdoordecorativegas appliances1 Scope1.1This Standard applies to newly produced decorative gas appliances for outdoor installation (see Clause 3,Definitions), constructed entirely of new, unused parts and materials;

46、hereinafter referred to as“appliance”. Appliances submitted for examination under this Standard are classified as one of thefollowing: portable, stationary, or built-in.1.2Appliances may be for:a) connection to a fixed fuel piping system; orb) connection to a self-contained liquefied petroleum (LP)

47、gas supply system (see Clause 3,Definitions). Cylinder(s) for a self-contained system may be either remote to the appliance orintegrally mounted on the appliance,and shall be designed for vapor withdrawal only.i) Appliances with input ratings less than 60,000 Btu/hr (17 584 W) shall be designed toac

48、commodate a vertically mounted integral cylinder with a maximum size of 20 lb (9.1kg) offuel.ii) Appliances with input ratings greater than or equal to 60,000 Btu/hr (17 584 W) may bedesigned to accommodate a vertically mounted integral cylinder with a maximum size of 30 lb(13.6 kg) of fuel.iii) App

49、liances with input ratings greater than or equal to 80,000 Btu/hr (23 446 W) may bedesigned for not more than two vertically mounted integral vapor withdrawal cylinders, eachwith a maximum size of 20 lb (9.1 kg) of fuel.iv) Portable appliances intended for table top use shall have input ratings limited to not more than15,000 Btu/hr (4 396 W) and shall be designed to accommodate a vertically mounted cylinderwith a maximum size of 16.4 oz (465 g) of fuel.v) Portable appliances with input ratings not greater than or equal to 25,000 Btu/