ANSI CSA AM Z21.10.1-2014 CSA 4.1-2014 Gas Water Heaters Volume I Storage Water Heaters With Input Ratings of 75 000 Btu Per Hour or Less (Sixth Edition).pdf

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1、ANSI Z21.10.1-2014 CSA 4.1-2014Gas water heaters, volume I, storage water heaters with input ratings of 75,000 Btu per hour or lessLegal Notice for StandardsCanadian Standards Association and CSA America, Inc. (operating as “CSA Group”) develop standards through a consensus standards development pro

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17、l this document without authorization from CSA Group; or make an electronic copy of this document.If you do not agree with any of the terms and conditions contained in this Legal Notice, you may not load or use this document or make any copies of the contents hereof, and if you do make such copies,

18、you are required to destroy them immediately. Use of this document constitutes your acceptance of the terms and conditions of this Legal Notice.Revision HistoryANSI Z21.10.1-2014 CSA 4.1-2014, Gas water heaters, volume I, storage water heaters with input ratings of 75,000 Btu per hour or lessRevisio

19、n from previous edition Revision symbol (in margin)Clauses 3, 4.1.24, 4.24, 4.33.2, 4.34.11, 4.34.28, 5.1.17, 5.2, 5.6, 5.32, and 5.39Tables 2-A, 2-B, and 12Standards Update ServiceANSI Z21.10.1-2014 CSA 4.1-2014November 2014Title: Gas water heaters, volume I, storage water heaters with input rating

20、s of 75,000 Btu per hour or lessTo 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 2422796.If you require assistance, please e-mail techsupportcsagroup.or

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22、lisher.Published in November 2014 by CSA Group A not-for-profit private sector organization 178 Rexdale Blvd., Toronto, Ontario, Canada M9W 1R3 To purchase standards and related publications, visit our Online Store at shop.csa.caor call toll-free 1-800-463-6727 or 416-747-4044.TMA trade-mark of the

23、Canadian Standards Association and CSA America Inc., operating as “CSA Group”American National Standards Institute, Inc.Interprovincial Gas Advisory CouncilApproved on August 15, 2014 by ANSIApproved on November 26, 2014 by IGACEffective in Canada April 1, 2016Gas water heaters, volume I, storage wa

24、ter heaters with input ratings of 75,000 Btu per hour or lessANSI Z21.10.1-2014 CSA 4.1-2014ANSI Z21.10.1-2014 CSA 4.1-2014Gas water heaters, volume I, storage water heaters with input ratings of 75,000 Btu per hour or lessNovember 2014 2014 CSA Group 1ContentsInterprovincial Gas Advisory Council 4C

25、anadian Technical Committee on Gas Appliances and Related Accessories 6Z21/83 Technical Committee on Performance and Installation of Gas Burning Appliances and Related Accessories 8Joint Technical Sub-Committee on Standards for Gas-Fired Water Heaters 11Preface 171 Scope 202 Reference publications 2

26、13 Definitions 254 Construction 374.1 General construction and assembly 374.2 Materials 424.3 Combustion air supply 454.4 Heat pipe heat exchangers 464.5 Water heater openings 474.6 Burners 474.7 Flame spreaders 484.8 Primary air adjustment means 494.9 Main burner orifices and orifice fittings 504.1

27、0 Automatic gas ignition systems 514.11 Pilot gas filters 544.12 Gas and water connections 544.13 Opening for relief valves 564.14 Dip tubes 574.15 Manually operated gas valves 584.16 Gas appliance pressure regulators 594.17 Adjustment of minimum input rating 594.18 Thermostats 604.19 Automatic valv

28、es 604.20 Bleeds and vents 604.21 Automatic gas shutoff systems 614.22 Relief valves 624.23 Automatic flammable vapor sensor systems and components 624.24 Condensate disposal 624.25 Flue collars 634.26 Flue pipe extensions 634.27 Draft hoods 634.28 Non-metallic vent connection strength test 644.29 A

29、utomatic vent damper devices 65ANSI Z21.10.1-2014 CSA 4.1-2014Gas water heaters, volume I, storage water heaters with input ratings of 75,000 Btu per hour or lessNovember 2014 2014 CSA Group 24.30 Automatic flue damper devices 654.31 Electrical equipment and wiring 674.32 Vent and air-intake pipes o

30、f direct vent systems 814.33 Instructions 824.34 Marking 945 Performance 1065.1 General 1065.2 Test gases 1125.3 Test pressures and burner adjustments 1135.4 Combustion 1145.5 Burner and pilot operating characteristics 1165.6 Category determination 1195.6.1 For a water heater having a single input r

31、ating 1215.6.2 For a water heater having multiple input ratings 1235.7 Piloted ignition systems 1235.8 Proved igniter systems 1285.9 Direct ignition systems 1305.10 Heat roll out safety shutoff means 1325.11 Heat required to supply daily quota of hot water 1335.12 Gas appliance pressure regulators 1

32、355.13 Storage heater temperature limits 1355.14 Temperature limiting systems 1375.15 Evaluation of burn hazard potential of exterior surfaces 1385.16 Wall, floor, and ceiling temperatures 1435.17 Flue gas temperature 1455.18 Temperature of manually operated parts 1465.19 Burner and flame spreader t

33、emperatures 1465.20 Flue collars 1485.21 Draft hoods 1485.22 Automatic vent damper devices 1525.23 Automatic flue damper devices 1525.24 Draft tests for water heaters equipped with power burners 1555.25 Wind test 1585.26 Safety circuit analysis 1605.27 Capacities of storage vessels 1605.28 Hydrostat

34、ic test 1615.29 Heat pipe heat exchanger pressure 1625.30 Non-metallic dip tubes 1635.31 Burner durability 1665.32 Venting systems for Category II, III, or IV water heaters 1675.33 Condensate disposal system(s) 1675.34 Rain tests 1685.35 Direct vent systems 1705.36 Marking material adhesion and legi

35、bility 1775.37 Flammable vapors ignition resistance 1785.38 Resistance to lint, dust and oil accumulation 1875.39 Corrugated metal tubing 1925.40 Condensate disposal system(s) 194ANSI Z21.10.1-2014 CSA 4.1-2014Gas water heaters, volume I, storage water heaters with input ratings of 75,000 Btu per ho

36、ur or lessNovember 2014 2014 CSA Group 36 Manufacturing and production tests 1957 Items unique to the United States 1967.1 High altitude 1967.2 Marking material adhesion and legibility 1967.3 General construction 1968 Items unique to Canada 1978.1 High altitude 1978.2 Storage vessels 1978.3 Outdoor

37、installation 1978.4 Draft hoods 1978.5 Pilot burners and safety shut-off devices 1978.6 Marking material adhesion and legibility 1978.7 Energy consumption and determining efficiencies 1978.8 French translations for quoted instructions and markings 197Annex A (normative) Outline of lighting instructi

38、ons for appliances equipped with continuous pilots 215Annex B (normative) Outline of operating instructions for appliances equipped with intermittent pilot or interrupted pilot systems 218Annex C (normative) Outline of operating instructions for appliances equipped with direct ignition systems 221An

39、nex D (normative) Flammable vapors label 224Annex E (normative) Scald hazard label 226Annex F (normative) Optional provisions for listed gas appliance conversion kits 227Annex G (informative) Pertinent references to ANSI Y14.15 230Annex H (informative) Wire color designations 231Annex I (informative

40、 Recommended wire color usage 232Annex J (informative) Preferred graphic symbols of commonly used items, extracted from standard ANSI/IEEE 315, Graphic symbols for electrical and electronics diagrams, and abbreviations for these items 233Annex K (informative) Sample failure modes and effects analysi

41、s for component miswiring* 235Annex L (informative) Table of conversion factors 236Annex M (informative) Lint, dust, and oil test equipment and procedures (see Clause ) 239ANSI Z21.10.1-2014 CSA 4.1-2014Gas water heaters, volume I, storage water heaters with input ratings of 75,000 Btu per hour or l

42、essNovember 2014 2014 CSA Group 4Interprovincial Gas Advisory CouncilJ. Renaud Rgie du btiment du Qubec, Montral, Qubec, CanadaChairJ.R. 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 reque

43、st for interpretation of this Standard, please send the following information to inquiriescsagroup.org and include “Request for interpretation” in the subject line: a) define the problem, making reference to the specific clause, and, where appropriate, include an illustrative sketch;b) provide an ex

44、planation 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 the issue.7) Committee interpretations are processed in accordance with the CSA Directives and guidelines governing standardizat

45、ion and are available on the Current Standards Activities page at standardsactivities.csa.ca.ANSI Z21.10.1-2014 CSA 4.1-2014Gas water heaters, volume I, storage water heaters with input ratings of 75,000 Btu per hour or lessNovember 2014 2014 CSA Group 18History of the development of standards for G

46、as water heaters, volume I, storage water heaters with input ratings of 75,000 Btu per hour or lessNote: 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 on January 2, 1988, significant attention was given to

47、the harmonization of the United States and Canadian safety standards addressing gas-fired equipment for residential, commercial and industrial applications. It was believed that the elimination of the differences between the standards would remove potential trade barriers and provide an atmosphere i

48、n which North American manufacturers could market more freely in the United States and Canada. The harmonization of these standards was also seen as a step toward harmonization with international standards. Joint subcommittees were established to facilitate the standards harmonization process betwee

49、n the United States and Canada.The draft harmonized standard was based on current coverage from the American National Standard for Gas Water Heaters, Volume I, storage Water Heaters with Input Rating of 75,000 Btu Per Hour or Less, ANSI Z21.10.1-1993 and Addenda Z21.10.1a-1994, Z21.10.1b-1994, Z21.10.1c-1996 and the Canadian Standard for Gas-Fired Automatic Storage Type Water Heaters with Inputs Less than 75,000 Btuh, CAN1-4.1-M85. The draft was subsequently issued for public review and comment during March 1996.Following reconsideration and