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36、7-4044.A trademark of the Canadian Standards Association and CSA America Inc., operating as “CSA Group”American National Standards Institute, Inc.Interprovincial Gas Advisory CouncilApproved on November 30, 2016 by ANSIApproved on November 11, 2016 by IGACEffective in Canada December 2018Gas-fired t
37、ubular and low-intensity infrared heatersANSI Z83.20-2016 CSA 2.34-2016ANSI Z83.20-2016 CSA 2.34-2016Gas-fired tubular and low-intensity infrared heatersDecember 2016 2016 CSA Group 1ContentsInt erpro vincial Gas Advisory Council (IGAC) 3Technical Committ ee on Gas Appliances and Relate d Accessorie
38、s 5Z21/83 Technical Committ ee on Performance and Inst allation of Gas Burning Appliances and Relat ed Accessories 8Joint Technical Subcommitt ee on Standards for Gas-Fired Infrared Radiant Heate r s 11Preface 151 Scope 172 Reference publications 193 Definitions 224 Cons truction 294.1 General 294.2
39、 Assembly 314.3 Accessibility 314.4 Combus tion air 324.5 Mat erials 324.6 Joints in heating elements 354.7 Main burner s 354.8 Primary air contr ol 374.9 Condensat e disposal for radiant tube type heat er 384.10 Orifices and orifice fit tings 384.11 Automatic gas ignition s ys tems 394.12 Automatic
40、 pilot ignit ers 414.13 Pilot gas filt ers 424.14 Low gas pressure shutoff sy st em 424.15 Gas supply lines 424.16 Manual gas valves 454.17 Gas appliance pressure regulator s 454.18 Automatic valves 464.19 Bleeds and vents 464.20 Adjus tment of minimum input rating 474.21 Electrical equipment and wi
41、ring 474.22 Pr ot ection of service per sonnel 474.23 Motor s and blower s 484.24 Draft hoods, flue connections, and int egral venting sy st ems 484.25 Ins tructions 494.26 Marking 545 Performance 585.1 General 58ANSI Z83.20-2016 CSA 2.34-2016Gas-fired tubular and low-intensity infrared heatersDecem
42、ber 2016 2016 CSA Group 25.2 Tes t gases 605.3 Tes t pressures and burner adjust ments 615.4 Low gas pressure shutoff sy st em 625.5 Combus tion 635.6 Combus tion and hydr ocarbon emissions Catalytic infrared heat ers 635.7 Burner operating charact erist ics 655.8 Pilot burners and safety shutoff de
43、vices 665.9 Direct ignition sy st ems 695.10 Automatic pilot ignit ers 715.11 Radiant coefficient 735.12 Non-load-bearing flue gas baffle temperatures 765.13 Allowable heating element and load-bearing flue gas baffle tem peratures 775.14 Wall, floor , and ceiling tempe ratures 805.15 Flue gas tempe
44、ratures 815.16 Cat egory deter mination 825.17 Draft hoods 865.18 Draft tes ts for appliances not equipped with draft hoods 895.19 Condensat e disposal s ys tem(s) 905.20 Heat ers vented horizontally thr ough an outside wall 915.21 Manifold and contr ol assembly capacity 975.22 Heat ers for out door
45、 ins tallation 975.23 Venting s yst ems for Category II, III, or IV appliances 995.24 Maximum metallic vent gas tem perature for other than Cat egory I appliances 1005.25 Maximum nonmetallic vent material tempe ratures 1005.26 Thermal expansion during operation 1035.27 Marking mater ial adhesion and
46、 legibility 1036 Manufacturing and pr oduction t ests 103Annex A (normative) Item s unique to the United State s 105Annex B (normative) Item s unique to Canada 122Annex C (Optional) Provisions for Lis ted Gas Appliances Convers ion Kits 126Annex D (Optional) Provisions for list ed high altitude conv
47、er sion kits 129Annex E (informative) Relationship of carbon dioxide to oxygen in the closed r oom tes t specified in Clause 5.12 132Annex F (informative) Flue loss calculations 134Annex G (informative) Pertinent References to ANSI Y14.15 138Annex H (informative) Wire color designations 139Annex I (
48、informative) Recommended wire color usage 140Annex J (informative) Preferred graphic sy mbols of commonly used it ems, extract ed from stand ard ANSI/IEEE 315, Graphic sy mbols for electrical and electron ics diagrams, and abbreviations for these it ems 141Annex K (informative) Table of conver sion
49、factor s 143ANSI Z83.20-2016 CSA 2.34-2016Gas-fired tubular and low-intensity infrared heatersDecember 2016 2016 CSA Group 3Interprovincial Gas Advisory Council (IGAC)J.R. Mar shall Technical Standards suggestio ns for its improvement will be referred to the appropriate committ ee. To submit a proposal for change, please send the following information to inquiriescsagroup.org and include “Proposal for change” in the subject line: a) Standard designation (number);b) relevant clause, table, and/or figure number;c) wording of the propos
