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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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
25、 considered part of the table or figure and may be written as requirements.Annexes are designated normative (mandatory) or informative (nonmandatory) to define their application. C22.2 No. 46-13 2013 CSA Group2 August 20132 Reference publicationsThis Standard refers to the following publications, an
26、d where such reference is made, it shall be to the edition listed below, including all amendments published thereto.CSA GroupC22.1-12Canadian Electrical Code, Part ICAN/CSA-C22.2 No. 0-10General requirements Canadian Electrical Code, Part IICAN/CSA-C22.2 No. 0.4-04 (R2009)Bonding of electrical equip
27、ment CAN/CSA-C22.2 No. 0.17-00 (R2009)Evaluation of properties of polymeric materialsC22.2 No. 8-M1986 (R2008)Electromagnetic interference (EMI) filtersC22.2 No. 14-13Industrial control equipmentC22.2 No. 24-93 (R2013)Temperature-indicating and regulating equipmentC22.2 No. 42-10General use receptac
28、les, attachment plugs, and similar wiring devicesC22.2 No. 55-M1986 (R2012)Special use switchesC22.2 No. 65-13Wire connectorsC22.2 No. 72-10Heater elementsC22.2 No. 77-95 (R2009)Motors with inherent overheating protectionC22.2 No. 100-04 (R2009)Motors and generatorsC22.2 No. 111-10General-use snap s
29、witchesC22.2 No. 153-09Electrical quick-connect terminalsC22.2 No. 155-M1986 (R2013)Electric duct heaters 2013 CSA Group Electric air heatersAugust 2013 3C22.2 No. 158-10Terminal blocksC22.2 No. 236-11Heating and cooling equipmentCAN3-C235-83 (R2010)Preferred voltage levels for AC systems, 0 to 50 0
30、00 VASME (American Society of Mechanical Engineers)B18.6.3-2010Machine Screws, Tapping Screws, and Metallic Drive Screws (Inch Series)SAE (Society of Automotive Engineers)J314-2002 (2012)Felts Wool and Part WoolULC (Underwriters Laboratories of Canada)CAN/ULC S102.2-10Method of Test for Surface Burn
31、ing Characteristics of Flooring, Floor Coverings, and Miscellaneous Materials and Assemblies3 DefinitionsThe following definitions shall apply in this Standard:Baseboard heater system multiple sections consisting of some or all of the following components: heaters, receptacle units, control units, c
32、orner sections, and blank sections, with provision for bonding and interconnection of heaters and component accessories.Combination temperature-regulating and -limiting control a device that functions to regulate the temperature under normal conditions of use and also serves to prevent a hazard that
33、 can result from conditions of abnormal operation of the heater.Cord-connected heater a heater that is connected to the electrical supply by a cord set or a power supply cord terminating in a suitable attachment plug.Floor-insert heater a permanently connected heater intended to be installed in the
34、floor.Guard that part of the enclosure provided for a heater element of the radiation type through which radiant energy is intended to pass. “Guard” also refers to that part of the enclosure of a forced-air or convection heater through which the heated air is directed.Heater element a complete or pa
35、rtial assembly of a heating element, electrical insulation (e.g., refractory, mica), metal sheath, glass or quartz envelope or panel, thermal insulation, and frame or adapter for holding the assembly together and fastening it in the heater, as well as leads or terminal connections, or both, which ma
36、y include bolts and nuts.Heating element the actual electrical conducting medium that is intended to be heated by an electric current.Industrial establishment a building or part of a building where persons are employed in manufacturing processes or in the handling of material, as distinguished from
37、dwelling units, offices, exhibit spaces, and similar occupancies.C22.2 No. 46-13 2013 CSA Group4 August 2013Kickspace heater a permanently connected heater equipped with a fan and designed primarily for mounting at floor level, flush with the kickspace under a counter.Permanently connected heater a
38、stationary heater with provisions for permanent connection to the electrical supply.Portable baseboard heater a portable cord-connected heater of a design that(a) may be used as a baseboard heater; and(b) has dimensions as follows:(i) the height of the heater from the supporting surface to the top o
39、f the enclosure, excluding the supporting handle, is less than 455 mm;(ii) the overall length of the heater is more than double the height; and(iii) the depth of the heater (front to back), excluding projecting feet, is less than 125 mm.In addition, portable heaters meeting all of the above requirem
40、ents for a portable baseboard heater with the exception of Item (b)(iii) are considered to be portable baseboard heaters unless marked in accordance with Clause 6.1.19.Portable heater a cord-connected heater constructed for use in more than one location.Note: For the purposes of Clause 7.1.1.5, magn
41、ets used for mounting cord-connected under-desk panel heaters are considered to be equivalent to keyhole slots when used to hold the heater to the steel sides of the desk.Positive temperature coefficient (PTC) heater element an assembly consisting of one or more positive temperature coefficient heat
42、ing elements, a means of electrical termination, and, in some cases, electrical insulation.Positive temperature coefficient (PTC) heating element a thermally sensitive semiconductor resistor that is intended to be heated by an electric current and shows a sharp resistance increase over a small tempe
43、rature range.Pressure-relief device a pressure actuated valve or rupture member designed to relieve excessive pressure automatically.Radiant panel heater or liquid-filled radiator-type heater a heater that both radiates and convects heat, primarily through its exposed heated enclosure surfaces.Ruptu
44、re member a device that will rupture at a predetermined pressure.Stationary baseboard heater a heater that conforms to the following criteria:(a)the air-intake and outlet areas in the case of convection or fan types, and the effective radiating area in the case of radiant types, can be located withi
45、n 455 mm of the floor; and(b) the ratio of the heater length to its height is not less than 2: the height is considered to be the distance from the bottom of the heater enclosure to the upper edge of the effective heating section of the heater, and the length is considered to be the length of the ef
46、fective heating section in the case of convection- and fan-type heaters and the effective radiating length in the case of the radiant type.Note: The following sketches of different heaters are shown to demonstrate the determination of the height (h) and the length (l) of the effective heating sectio
47、ns:hlABFan type 2013 CSA Group Electric air heatersAugust 2013 5Legend:A = air intakeB = air outletStationary heater a heater intended to be fastened or secured at a specific location or a heater that cannot be easily moved from place to place.Note: Cord-connected heaters that are considered to be s
48、tationary heaters include some types of fireplace heaters, imitation fireplaces, chain-hung radiant ceiling heaters, bracket-mounted unit heaters, and heaters provided with means for mounting.Temperature-limiting control a device that functions only under conditions that produce abnormal temperature
49、s. The failure of this control might result in a hazard.Temperature-regulating control a device that functions only to regulate the temperature under normal conditions of use. The failure of this control would not result in a hazard.4 General requirementsGeneral requirements applicable to this Standard are given in CAN/CSA-C22.2 No. 0.5 Construction5.1 General5
