CSA C22 2 NO 46-2013 Electric air heaters (Ninth Edition).pdf
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1、C22.2 No. 46-13Electric air heatersLegal Notice for StandardsCanadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards development process approved by the Standards Council of Canada. This process brings together volunteers representing varied viewpoi
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12、roperty and may give rise to a right in CSA Group and/or others to seek legal redress for such use, modification, copying, or disclosure. To the extent permitted by licence or by law, CSA Group reserves all intellectual property rights in this document.Patent rightsAttention is drawn to the possibil
13、ity that some of the elements of this standard may be the subject of patent rights. CSA Group shall not be held responsible for identifying any or all such patent rights. Users of this standard are expressly advised that determination of the validity of any such patent rights is entirely their own r
14、esponsibility.Authorized use of this documentThis document is being provided by CSA Group for informational and non-commercial use only. The user of this document is authorized to do only the following:If this document is in electronic form:sLOADTHISDOCUMENTONTOACOMPUTERFORTHESOLEPURPOSEOFREVIEWINGI
15、TsSEARCHANDBROWSETHISDOCUMENTANDsPRINTTHISDOCUMENTIFITISIN0$(b) provide an explanation of circumstances surrounding the actual field condition; and(c) where possible, phrase the request in such a way that a specific “yes” or “no” answer will address the issue.Committee interpretations are processed
16、in accordance with the CSA Directives and guidelines governing standardization and are available on the Current Standards Activities page at standardsactivities.csa.ca.(5) This Standard is subject to review five years from the date of publication, and suggestions for its improvement will be referred
17、 to the appropriate committee. 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 proposed change;
18、and(d) rationale for the change. 2013 CSA Group Electric air heatersAugust 2013 1C22.2 No. 46-13Electric air heaters1Scope1.1This Standard applies to air heaters intended for use on nominal system voltages of 600 V or less and designed to be used in accordance with the Canadian Electrical Code, Part
19、 I.1.2This Standard applies to permanently connected and cord-connected air heaters for household, commercial, and industrial use in non-hazardous locations.1.3The term “air heater” includes the following types:(a)convection;(b) forced air;(c) radiation;(d) ceiling types, alone or in combination wit
20、h lighting or ventilating components, or both;(e) liquid-filled radiator; and(f) combinations of (a), (b), or (c).Note: For convenience, except where distinctions are necessary, portable and stationary air heaters are referred to throughout this Standard as “heaters”.1.4This Standard does not apply
21、to(a) unit heaters involving only steam or hot-water heating with an electric air circulator;(b) electric duct heaters, as covered in CSA C22.2 No. 155;(c) central electric warm-air furnaces, as covered in CSA C22.2 No. 236; and(d) radiant space-heating panels(i) installed below the subfloor;(ii) mo
22、unted behind drywall or above plaster ceilings;(iii) mounted above a suspended ceiling grid system;(iv) forming all or part of a finished ceiling system; and(v) dropped into a ceiling system in its final finished form.Requirements for cord-connected double-insulated electric air heaters are specifie
23、d in Clause 8 of this Standard.1.5In this Standard, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; “should” is used to express a recommendation or that which is advised but not required; and “may” is used to expre
24、ss an option or that which is permissible within the limits of the standard.Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.Notes to tables and figures are
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