ANSI CSA 2.33-2014 Vented gas fireplace heaters (Sixth Edition Includes Errata October 2014).pdf

1、ANSI Z21.88-2014 CSA 2.33-2014Vented gas fireplace heatersLegalNotice for StandardsCanadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards development process approvedby the Standards Council of Canada. This process brings together volunteers repres

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17、 Notice, you may not load or use this document or make anycopies of the contents hereof, and if you do make such copies, you are required to destroy them immediately. Use of this document constitutesyour acceptanceof the terms and conditions of this Legal Notice.Revision HistoryANSI Z21.88-2014 CSA

18、2.33-2014,Vented gas fireplace heatersErrata October 2014 Revision symbol (inmargin)Clause 8.6Revision from previous edition Revision symbol (inmargin)Clauses 3, 4.1.7, 4.33.1, 4.33.3, 4.34.7, 5.15, 5.15.1, 5.15.2,5.15.3, and 5.15.4Figure 7Standards UpdateServiceANSI Z21.88-2014 CSA 2.33-2014Februar

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22、ade-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 January 1, 2015Vented gas fireplac

23、eheatersANSI Z21.88-2014 CSA 2.33-2014ANSI Z21.88-2014 CSA 2.33-2014Vented gas fireplace heatersFebruary 2014 2014 CSA Group 1ContentsInterprovincial Gas Advisory Council 4Z21/83 Technical Committee on Performance and Installation of Gas Burning Appliances and RelatedAccessories 6Canadian Technical

24、Committee on Gas Appliances and Related Accessories 9Z21/CSA Joint Technical Subcommittee on Standards for Vented Gas-Fired Warm Air Heaters 11Preface 141 Scope 172 Reference publications 183 Definitions 224 Construction 334.1 General construction and assembly 334.2 Accessibility 364.3 Thickness of

25、materials 374.4 Evaluation of combustion/venting side sealing materials 404.5 Glass fronts 404.6 Combustion air and ventilation 414.7 Main burners 424.8 Primary air adjustment means 434.9 Orifice spuds and orifice fittings 444.10 Automatic gas ignition systems 454.11 Flame spreaders 474.12 Appliance

26、 main gas valves 484.13 Gas supply lines 494.14 Bleeds and vents 524.15 Thermostats 534.16 Automatic valves 534.17 Gas appliance pressure regulators 544.18 Adjustment of minimum input rating 544.19 Pilot gas filters 554.20 Fan and limit controls 554.21 Joints in heating surfaces 554.22 Appliance ope

27、nings 574.23 Direct vent-air intake pipes 574.24 Venting (other than direct vent types) 594.25 Flue collars and flue outlets (other than direct vent types) 594.26 Draft hoods 604.27 Automatic vent damper devices 614.28 Manually operated vent dampers 614.29 Electrical equipment and wiring 62ANSI Z21.

28、88-2014 CSA 2.33-2014Vented gas fireplace heatersFebruary 2014 2014 CSA Group 24.30 Motors and blowers 624.31 Cooling section of vented gas fireplace heaters with cooling units 624.32 Heating elements located downstream from refrigeration coils 634.33 Instructions 634.34 Markings 735 Performance 835

29、.1 General 835.2 Test gases 865.3 Test pressure and burner adjustments 875.4 Combustion 885.5 Appliance and burner durability test 895.6 Burner operating characteristics 905.7 Loose burner materials 925.8 Pilot operating characteristics 925.9 Pilot burners and safety shut-off devices 935.10 Direct i

30、gnition systems 985.11 Proved igniter systems 1005.12 Combustion chamber relief for gravity vented gas fireplace heaters 1045.13 Delayed ignition and integrity tests for direct vent gas fireplace heaters 1045.14 Glass fronts 1085.15 Burn hazard potential 1145.16 Main burner and flame spreader temper

31、atures 1185.17 Non-load-bearing flue gas baffle temperatures 1205.18 Appliance main gas valves 1215.19 Gas appliance pressure regulators 1225.20 Automatic valves 1225.21 Safety circuit analysis 1225.22 Manifold and control assembly capacity 1225.23 Temperature at discharge air opening 1235.24 Wall,

32、floor, and ceiling temperatures 1265.25 Flue gas temperatures 1345.26 Surface temperatures 1355.27 Evaluation of clothing ignition potential 1405.28 Venting 1415.29 Draft hoods 1425.30 Draft tests for appliances not equipped with draft hoods 1455.31 Vent safety shut-off systems 1455.32 Wind tests (s

33、ide wall termination) 1475.33 Wind test (vertical termination) 1495.34 Vent and vent-air intake terminal assemblies 1525.35 Joints in direct vent systems 1655.36 Allowable vent pipe, heating element, and load-bearingflue gas baffle temperatures 1675.37 Automatic vent damper devices 1695.38 Cooling s

34、ection of applianceswith cooling units 1695.39 Heating elements located downstream from refrigeration coils 1695.40 Marking material adhesion and legibility 1696 Production and manufacturing tests 170ANSI Z21.88-2014 CSA 2.33-2014Vented gas fireplace heatersFebruary 2014 2014 CSA Group 37 Items uniq

35、ue to the United States 1717.1 Electrical equipment and wiring 1717.2 Electrical diagrams 1817.3 Motors and blowers 1828 Items unique to Canada 183Annex A (normative) Automatic intermittent pilot ignition systems for field installation 205Annex B (normative) Provisions for listed gas appliance conve

36、rsion kits (optional) 209Annex C (normative) Outline of lighting instructions for appliances equipped with continuouspilots 212Annex D (normative) Outline of operating instructions for appliances equipped with intermittentpilot or interrupted pilot systems 215Annex E (normative) Outline of operating

37、 instructions for appliances equipped with direct ignitionsystems 218Annex F (normative) Delayed ignition test using a stoichiometric gas-air mixture for natural gasdirect vent fireplaces 221Annex G (normative) Sample failure modes and effects analysis for component miswiring* 224Annex H (normative)

38、 Glass temperature calculation 225Annex I (normative) Recommended wire color usage 229Annex J (informative) Pertinent references to ANSI Y14.15 230Annex K (informative) Wire color designations 231Annex L (informative) Preferred graphic symbols of commonly used items, extracted from theStandard ANSI/

39、IEEE 315, Graphic Symbols for Electrical and ElectronicsDiagrams, and abbreviations for these items 232Annex M (informative) Table of conversion factors 234ANSI Z21.88-2014 CSA 2.33-2014Vented gas fireplace heatersFebruary 2014 2014 CSA Group 4InterprovincialGas AdvisoryCouncilJ. Renaud Rgie du btim

40、ent du Qubec,Montral, Quebec, CanadaChairJ. Marshall Technical Standards b) relevant clause, table, and/or figure number;c) wording of the proposed change; andd) rationale for the change.6) To submit a request for interpretation of this Standard, please send the following information toinquiriescsag

41、roup.organd include “Request for interpretation” in the subject line:a) define the problem, making reference to the specific clause, and, where appropriate, include anillustrative sketch;b) provide an explanation of circumstances surrounding the actual field condition; andc) where possible, phrase t

42、he request in such a way that a specific “yes” or “no” answer will address theissue.7) Committee interpretations are processed in accordance with the CSA Directives and guidelines governingstandardization and are available on the Current Standards Activities page at standardsactivities.csa.ca.ANSI Z

43、21.88-2014 CSA 2.33-2014Vented gas fireplace heatersFebruary 2014 2014 CSA Group15History of the developmentof the Standard for Vented gas fireplaceheatersNote: This history is informative and is not part of the standard.With the onset of the Free Trade Agreement between the United States and Canada

44、 on January 2, 1988,significant attention was given to the harmonization of the United States and Canadian safety standardsaddressing gas-fired equipment for residential, commercial and industrial applications. It was believedthat the elimination of the differences between the standards would remove

45、 potential trade barriers andprovide an atmosphere in which North American manufacturers could market more freely in the UnitedStates and Canada. The harmonization of these standards was also seen as a step toward harmonizationwith international standards. Joint subcommittees were established to fac

46、ilitate the standardsharmonization process between the United States and Canada.At its October 19-20, 1995 meeting,the Z21/CGA Joint Subcommittee on Standards for Vented Gas-FiredWarm Air Heaters formed a working group to prepare a draft bi-national standard for Vented GasFireplace Heaters. During i

47、ts October 22-23, 1996 meeting the joint subcommittee approval to send thedraft standard for public review and comment.The first draft harmonized standard was based on current coverage from the American NationalStandard/Canadian Gas Association Standard for Vented Gas Fireplace, ANSI Z21.50-1996CGA

48、2.22-M96, and the American National Standard/CSA Standard for Vented Gas-Fired Space HeatingEquipment, ANSI Z21.86-1998 CSA 2.32-M98.Following reconsideration and modification of the proposed draft standard, in light of commentsreceived, the joint vented heater subcommittee at its March 10-11, 1997

49、meeting, recommended theproposed draft standard to Accredited Standards Committee Z21/83 and the (Interim CSA) StandardsSteering Committee for approval.The proposed draft of the harmonized standard for vented gas-fireplace heaters, as modified by the jointsubcommittee, was approved by the Z21/83 Committee by letter ballot dated August 19, 1997, and bythe CGA Standards Steering Committee by letter ballot dated January 5, 1998.The first edition of the American National Standard/CSA Standard for Vented Gas Fireplace Heaters