ANSI CSA AM Z21.11.3-2016 Gas-fired room heaters volume III propane-fired portable emergency use heater systems (Second Edition).pdf

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37、6-747-4044.A trademark of the Canadian Standards Association and CSA America Inc., operating as “CSA Group”American National Standards Institute, Inc.Approved on Octo ber 31, 2016 by ANSIGas-fired room heaters, volume III, propane-fired portable emergency use heater systemsANSI Z21.11.3-2016ANSI Z21

38、.11.3-2016Gas-fired room heaters, volume III, propane-fired portable emergency use heater systemsNovember 2016 2016 CSA Group 1ContentsZ21/83 Technical Committ ee on Standards for Performance and Insta llation of Gas Burning Appliances and Relate d Accessories 3Z21 Technical Subcommitt ee on Standar

39、ds for Unvent ed Gas-Fired Heating Appliances 7Preface 111 Scope 132 Reference publications 143 Definitions 174 Cons truction 244.1 General construc tion and assembly 244.2 Mat erials 274.3 Guarding of heating components 284.4 Enclosures for self-contained prop ane supply 354.5 Glass fr onts 364.6 S

40、elf-contained pro pane supply 374.7 Main burner s 384.8 Primary air openings 394.9 Orifices and orifice fit tings 394.10 Gas ignition sy st ems 394.11 Oxygen depletion safety (ODS) shutoff sys tem s 404.12 Appliance gas contr ol valve 414.13 Gas supply lines 424.14 Thermos tats 444.15 Temperature li

41、mit contr ol 444.16 Safety shutoff valves 444.17 Gas appliance pressure regulator 454.18 Gas pressure regulator for use with composit e cylinder s used on propa ne-fired portable emergency use heat er s ys tems 454.19 Adjus tment of minimum input rating 464.20 Electrical equipment and wiring 464.21

42、Ins tructions 504.22 Markings 545 Performance 595.1 General 595.2 Tes t gases 605.3 Inlet tes t pressures and burner adjustments 615.4 Combus tion and hydr ocarbon emissions (for heat er s using a catalytic pad-type burner) 625.5 Combus tion 645.6 Burner operating charact erist ics 705.7 Pilot opera

43、ting charact erist ics 715.8 Pilot burners and safety shutoff devices 72ANSI Z21.11.3-2016Gas-fired room heaters, volume III, propane-fired portable emergency use heater systemsNovember 2016 2016 CSA Group 25.9 Orifice and orifice fit ting tempe ratures 755.10 Glass fr onts 755.11 Burn hazard pot en

44、tial 785.12 Oxygen depletion safety (ODS) shutoff sys tem s 835.13 Combus tion s tability t est (for heat er s using a catalytic pad type burner) 845.14 Heat er sy st em main gas valves 845.15 Gas pressure regulator s 855.16 Automatic valves 855.17 Safety circuit analysis 855.18 Wall, floor , and ce

45、iling tempe ratures 855.19 Surface tem peratures 885.20 Abnormal operation tes ts 905.21 Evaluation of clothing ignition potenti al 905.22 Abuse t est 925.23 Temperature at discharge air opening 925.24 Marking mater ial adhesion and legibility 936 Manufacturing and pr oduction t ests 94Annex A (norm

46、ative) Sample failure modes and effects analysis for component miswiring* 96Annex B (normative) Glass t emperature calculation 97Annex C (normative) Outline of lighting ins tructions for a prop ane-fired portable emergency use heat er sy st em equipped with continuous pilots 101Annex D (normative) O

47、utline of operating instructi ons for heater sy st ems equipped with intermi tt ent pilot or int errupte d pilot sy st ems 105Annex E (normative) Outline of operating instructi ons for emergency use heat er s ys tems equipped with direct ignition sy st ems 109Annex F (informative) Relationship of ca

48、rbon dioxide to oxygen in the closed r oom tes t specified in Clause 5.12 of this Standard 113Annex G (informative) Pertinent references to ANSI Y14.15 115Annex H (informative) Wire color designations 116Annex I (informative) Recommended wire color usage 117Annex J (informative) Preferred graphic sy

49、 mbols of commonly used it ems, extract ed from Standard ANSI/IEEE 315, Graphic sy mbols for electrical and electron ics diagrams, and abbreviations for these it ems 118Annex K (informative) Table of conver sion factor s 120ANSI Z21.11.3-2016Gas-fired room heaters, volume III, propane-fired portable emergency use heater systemsNovember 2016 2016 CSA Group 3Z21/83 Technical Committee on Standards for Performance and Installation of Gas Burning Appliances and Related AccessoriesB.J. Swiecicki National Pr opane Gas Association, Frankfort, Illinois, U