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21、4.TMA trade-mar k of the Canadian S tandards Association, operating as “CSA Group”DehumidifiersC22.2 No. 92-15C22.2 No. 92-15DehumidifiersSeptember 2015 2015 CSA Group 1ContentsTechnical Committee on Consumer and Commercial Products 3Subcommittee on Dehumidifiers 5Preface 61 Scope 72 Reference publi
22、cations 83 Definitions 94 General requirements 105 Construction 105.1 General 105.2 Enclosures 105.2.1 General 105.2.2 Non-metallic materials 105.2.3 Thickness of sheet metal enclosures for live parts 115.2.4 Thickness of cast enclosures for live parts 115.2.5 Openings in enclosures 135.2.6 Doors an
23、d covers of enclosures 145.2.7 Protection against rusting 145.3 Mechanical assembly 145.3.1 General 145.3.2 Safety of refrigerating system 145.3.3 Strength requirements 145.3.4 Determination of working pressures 155.3.5 Protection against excessive pressure 155.3.6 Pressure-limiting devices 165.3.7
24、Guarding of moving parts 165.4 Supply connections 165.5 Strain relief 175.6 Bushings 185.7 Current-carrying parts 185.8 Wiring 185.8.1 General 185.8.2 Wiring materials 195.8.3 Conductor size 195.9 Electrical insulation 205.10 Motors 205.10.1 General 205.10.2 Motor overheating protection 205.10.3 Sho
25、rt-circuit protection 215.11 Capacitors 215.12 Switches and controls 22C22.2 No. 92-15DehumidifiersSeptember 2015 2015 CSA Group 25.13 Heating elements (if any) 225.14 Protection against overheating (heating elements) 235.15 Spacings 235.16 Grounding and bonding 246 Marking 257 Tests 257.1 General 2
26、57.2 Conditions for normal load test 257.2.1 Voltage 257.2.2 Frequency 257.3 Rating 267.4 Temperature (normal load) 267.5 Dielectric strength 277.6 Temperature (abnormal operation) 277.6.1 Motors (other than in sealed compressors) 277.6.2 Motors of sealed compressors 277.6.3 Operation with air heate
27、r (if any) 297.7 Limited short-circuit (sealed motor protective devices) 307.8 Control equipment 307.8.1 Overload 307.8.2 Endurance 317.9 Starting 327.10 Short-circuit test for wiring 327.11 Short-circuit test for motor protective devices 327.12 Impact test 337.13 Pressure tests 337.14 Refrigerant l
28、oss test 33C22.2 No. 92-15DehumidifiersSeptember 2015 2015 CSA Group 3Technical Committee on Consumer and Commercial ProductsS. Lawrence Cisco Systems Canada Co., Scarborough, Ontario Category: Producer InterestChairD. Mascarenhas Brampton, Ontario Category: General InterestVice-ChairD.P. Badry Yuko
29、n Government, Community Services, Whitehorse, Yukon Category: Regulatory AuthorityG. Benjamin Thomas b) provide an explanation 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.
30、Committee interpretations are processed 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 a review within five years from the date of publication. Sugg
31、estions for its improvement will be referred 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
32、number;c) wording of the proposed change; andd) rationale for the change.C22.2 No. 92-15DehumidifiersSeptember 2015 2015 CSA Group 7C22.2 No. 92-15Dehumidifiers1 Scope1.1 This Standard applies to cord-connected equipment rated 250 V and less, single phase, to be operated from branch circuits fused a
33、t not more than 30 amperes and intended for use indoors, in ordinary locations in accordance with the Canadian Electrical Code, Part I.1.2 This Standard applies to equipment designed to remove water from the air in a room in which it operates, by condensing water vapour on a suitably cooled surface,
34、 and having air cooled mechanical refrigeration systems with a capacity not exceeding 36,000 Btu/h (3 tons).1.3 This Standard applies also to equipment which includes electrical air heating means.1.4 This Standard does not apply to equipment in which water vapour is absorbed by an absorbent material
35、 over which air is circulated.1.5 This Standard includes requirements for the electrical features of equipment and requirements for the safety of refrigerating systems which form part of the equipment.1.6 The values given in SI units are the units of record for the purposes of this Standard. The val
36、ues given in parentheses are for information and comparison only.1.7 In 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 r
37、equired; and “may” is used to express 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 mater
38、ial.Notes to tables and figures are considered part of the table or figure and may be written as requirements.Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.C22.2 No. 92-15DehumidifiersSeptember 2015 2015 CSA Group 82 Reference publicationsThi
39、s Standard refers to the following publications, and where such reference is made, it shall be to the edition listed below:CSA GroupC22.1-15 Canadian Electrical Code, Part ICAN/CSA-C22.2 No. 0-10 (R2012) General Requirements Canadian Electrical Code, Part IICAN/CSA-C22.2 No. 0.4-04 (R2013) Bonding o
40、f electrical equipmentCAN/CSA-C22.2 No. 0.17-00 (R2013) Evaluation of Properties of Polymeric MaterialsC22.2 No. 14-13 Industrial control equipmentC22.2 No. 21-14 Cord sets and power-supply cordsC22.2 No. 24-15 Temperature-indicating and regulating equipmentC22.2 No. 55-15 Special use switchesC22.2
41、No. 72-10 (R2014) Heater elementsC22.2 No. 77-14 Motors with inherent overheating protectionC22.2 No. 100-14 Motors and generatorsC22.2 No. 140.3-15 Refrigerant containing components for use in electrical equipmentCAN/CSA-C22.2 No. 60335-2-34-13 Safety of household and similar electrical appliances
42、Part 2-40: Particular requirements for motor compressorsCAN/CSA-E60384-14:14 Fixed capacitors for use in electronic equipment Part 14: Sectional specification Fixed capacitors for electromagnetic interference suppression and connection to the supply mainsC22.2 No. 92-15DehumidifiersSeptember 2015 20
43、15 CSA Group 9CAN/CSA-E60730-2-9-01 (R2011) Standard for automatic electrical controls for household and similar use Part 2-9: Particular requirements for temperature sensing controlsB52-13 Mechanical refrigeration codeCAN3-C235-83 (R2015) Preferred voltage levels for AC systems, 0 to 50,000 Volts3
44、DefinitionsThe following definitions shall apply in this Standard:Compressor motor a motor employed to operate a refrigeration compressor.Enclosure a structure which houses the electrical components and live parts. Note: It may be an integral part of the component, a separate item, part of the ultim
45、ate enclosure, or the ultimate enclosure (i.e., the outer cabinet).Fusible plug a device having a predetermined-temperature fusible member for the relief of pressure.High side the part of a refrigerating system under condenser pressure.Junction block a wiring device which encloses splices between wi
46、res and which may provide a convenience receptacle for connecting a component of the equipment.Low side the part of a refrigerating system under evaporator pressure.Pressure-limiting device a pressure-responsive mechanism designed to automatically stop the operation of the pressure-imposing element
47、at a predetermined pressure.Pressure relief device a pressure-actuated valve or rupture member designed to automatically relieve excessive pressure.Pressure relief valve a pressure-actuated valve held closed by a spring or other means and designed to automatically relieve pressure in excess of its s
48、etting.Pressure vessel any refrigerant-containing receptacle of a refrigerating system, other than evaporators (each separate section of which does not exceed 0.015 m3 (0.5 ft3) of refrigerant containing volume), expansion coils, compressors, controls, headers, pipe, and pipe fittings.Refrigerating
49、system a combination of interconnected refrigerant-containing parts constituting one closed refrigerant circuit in which a refrigerant is circulated for the purpose of extracting heat.Rupture member a device that will rupture at a predetermined pressure.Sealed compressor unit a compressor unit in which the compressor and motor are housed within a single container structure, or the motor is housed within a container structure integral with the compressor structure, so that the motor operates in a refrigerant atmosphere.Sealed mot
