CAN CSA-C652-2000 Installation of electric storage tank and heat pump water heaters for residential use (Second Edition General Instruction No 1 November 2000 Update No 2 October 2.pdf

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1、C652-00(reaffirmed 2011)Installation of electric storage tank and heat pump water heaters for residential useUpdate No. 2C652-00October 2002Note: General Instructions for CSA Standards are now called Updates. Please contact CSAInformation Products Sales or visit www.csa.ca for information about the

2、CSA StandardsUpdate Service.Title: Installation of Electric Storage Tank and Heat Pump Water Heaters for Residential Use originally published November 2000The following revisions have been formally approved:Revised Outside front cover, inside front cover, and title pageNew NoneDeleted NoneCSA Standa

3、rd C652-00 originally consisted of 20 pages (ix preliminary and 11 text), eachdated November 2000. It now consists of the following pages:November 2000 iiiix and 111October 2002 Cover, title page, and copyright page! Update your copy by inserting these revised pages.! Keep the pages you remove for r

4、eference.CAN/CSA-C652-00Installation of ElectricStorage Tank and HeatPump Water Heaters forResidential UseA National Standard of Canada(approved October 2002)The Canadian Standards Association (CSA), The Standards Council of Canada is theunder whose auspices this National Standard has been coordinat

5、ing body of the National Standards system, produced, was chartered in 1919 and accredited by a federation of independent, autonomousthe Standards Council of Canada to the National organizations working towards the furtherStandards system in 1973. It is a not-for-profit, development and improvement o

6、f voluntarynonstatutory, voluntary membership association standardization in the national interest.engaged in standards development and certification The principal objects of the Council are to foster activities. and promote voluntary standardization as a means CSA standards reflect a national conse

7、nsus of of advancing the national economy, benefiting theproducers and users including manufacturers, health, safety, and welfare of the public, assisting consumers, retailers, unions and professional and protecting the consumer, facilitating domestic organizations, and governmental agencies. The an

8、d international trade, and furthering internationalstandards are used widely by industry and commerce cooperation in the field of standards.and often adopted by municipal, provincial, and A National Standard of Canada is a standard whichfederal governments in their regulations, particularly has been

9、 approved by the Standards Council ofin the fields of health, safety, building and Canada and one which reflects a reasonableconstruction, and the environment. agreement among the views of a number of capableIndividuals, companies, and associations across individuals whose collective interests provi

10、de to theCanada indicate their support for CSAs standards greatest practicable extent a balance ofdevelopment by volunteering their time and skills to representation of producers, users, consumers, andCSA Committee work and supporting the Associations others with relevant interests, as may be approp

11、riateobjectives through sustaining memberships. The to the subject in hand. It normally is a standardmore than 7000 committee volunteers and the 2000 which is capable of making a significant and timelysustaining memberships together form CSAs total contribution to the national interest.membership fr

12、om which its Directors are chosen. Approval of a standard as a National Standard ofSustaining memberships represent a major source of Canada indicates that a standard conforms to theincome for CSAs standards development activities. criteria and procedures established by the StandardsThe Association

13、offers certification and testing Council of Canada. Approval does not refer to theservices in support of and as an extension to its technical content of the standard; this remains thestandards development activities. To ensure the continuing responsibility of the accreditedintegrity of its certifica

14、tion process, the Association standards-development organization.regularly and continually audits and inspects products Those who have a need to apply standards arethat bear the CSA Mark. encouraged to use National Standards of CanadaIn addition to its head office and laboratory complex whenever pra

15、cticable. These standards are subject in Toronto, CSA has regional branch offices in major to periodic review; therefore, users are cautioned centres across Canada and inspection and testing to obtain the latest edition from the organizationagencies in eight countries. Since 1919, the preparing the

16、standard.Association has developed the necessary expertise to The responsibility for approving National Standards meet its corporate mission: CSA is an independent of Canada rests with theservice organization whose mission is to provide an Standards Council of Canadaopen and effective forum for acti

17、vities facilitating the 270 Albert Street, Suite 200exchange of goods and services through the use of Ottawa, Ontario, K1P 6N7standards, certification and related services to meet Canadanational and international needs.For further information on CSA services, write toCanadian Standards Association50

18、60 Spectrum Way, Suite 100Mississauga, Ontario, L4W 5N6CanadaCette Norme nationale du Canada est offerte en anglais et en franais.Although the intended primary application of this Standard is stated in its Scope, it is importantto note that it remains the responsibility of the users to judge its sui

19、tability for their particular purpose.Registered trade-mark of Canadian Standards AssociationNational Standard of Canada(approved October 2002)CAN/CSA-C652-00Installation of Electric Storage Tank and HeatPump Water Heaters for Residential UsePrepared byRegistered trade-mark of Canadian Standards Ass

20、ociationApproved byStandards Council of CanadaPublished in November 2000 by Canadian Standards AssociationA not-for-profit private sector organization5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada M9W 1R31-800-463-6727 416-747-4044Visit our Online Store at www.csa.caISBN 1-55324-231-9Tec

21、hnical Editor: Sam LoggiaManaging Editor: Gary BurfordAdministrative Assistant: Elizabeth HopeDocument Processors: Hematie Hassan/Indira KumaralaganEditors: Maria Adragna/Samantha Coyle/Sandra Hawryn/Ann Martin/John McConnellGraphics Coordinator: Cindy KerkmannPublishing System Coordinators: Ursula

22、Das/Grace Da Silva/Seetha RajagopalanSGML Project Manager: Alison MacIntosh Canadian Standards Association 2000All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of the publisher.(Copyright page replaced October 2002)General Instruc

23、tion No. 1C652-00November 2000Title: Installation of Electric Storage Tank and Heat Pump Water Heaters for Residential UsePagination: 20 pages (ix preliminary and 11 text), each dated November 2000To register for e-mail notification about any updates to this publicationgo to www.ShopCSA.caclick on E

24、-mail Services under MY ACCOUNTclick on CSA Standards Update ServiceThe List ID that you will need to register for updates to this publication is 2011505.If you require assistance, please e-mail techsupportcsa.ca or call 416-747-2233.Visit CSAs policy on privacy at www.csagroup.org/legal to find out

25、 how we protect your personal information.C652-00 CSA INTERNATIONAL IizstuZZation of Electric Storage Tank and Heat Pump Water Heaters for ResidentiaZ Use Published in November 2000 bY CSA International 7 78 Rexdale Boulevard Toron to, Ontario Canada MPW IR3 Registered trade-mark of Canadian Standar

26、ds Association ISBN 7 -55324-23 7 -9 Technical Editor: Sam Loggia Managing Editor: Gary But-ford Administrative Assistant: Elizabeth Hope Document Processors: Hematie Hassan/lndira Kumaralagan Editors: Maria Adragna/Samantha Coy/e/Sandra Hawryn/Ann MartinJohn McConnell Graphics Coordinator: Cindy Ke

27、rkmann Publishing System Coordinators: Ursula Das/Grace Da Silva/Seetha Rajagopalan SCM1 Project Manager: Alison Macintosh 0 CSA International - 2000 All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of the publisher. 0 CSA lnterna

28、rional Installation of Electric Storage Tank and Heat Pump Water Heaters for Residential Use Contents Technical Committee on Residential Equipment v Subcommittee on Water Heaters vii Preface ix 1. Scope 7 2. Definitions and Reference Publications 1 2.1 Definitions 7 2.2 Reference Publications 2 3. I

29、nstallation - General 2 3.1 Codes 2 3.2 Requirements 2 3.3 Qualifications 2 3.4 Energy Efficiency 2 4. Placement 3 4.1 Electric Storage Tank Water Heaters 3 4.1.1 Placement 3 4.1.2 Drainage 3 4.1.3 Location 3 4.1.4 Ambient Temperature 3 4.1.5 Clearance and Access 3 4.1.6 Thermal Break 3 4.1.7 Drain

30、Pan 3 4.2 Heat Pump Water Heaters 3 4.2.1 General 3 4.2.2 Thermal Environment 3 4.2.3 Drainage 4 5. Plumbing 4 5.1 Connections 4 5.2 Solders and Fluxes 4 5.3 Heat Exchangers 4 6. Cold-Water Connection 4 6.1 Pressure Relief 4 6.2 Shutoff Valve 4 6.3 CheckValves 4 6.4 Top-Entry Water Heaters 4 6.5 Sid

31、e-Entry Water Heaters 5 6.6 Thermal Insulation 5 7. Hot-Water Connection 5 7.1 Electric Storage Tank Water Heaters 5 7.1.1 Heat Trap 5 November 2000 . . . 111 C652-00 0 CSA International 7.1.2 Thermal Insulation 5 7.2 Add-on Heat Pump Water Heaters 5 7.2.1 Piping Connections and Drainage Valve 5 7.2

32、.2 Thermal Insulation 5 8. Startup Procedures and Precautions 5 8.1 Electric Power to Electric Storage Tank Water Heaters and Integral Heat Pump Water Heaters 5 8.1.1 Startup 5 8.1.2 Maintenance 5 8.2 Electric Power to Add-on Heat Pump Water Heaters 6 8.2.1 Number of Supplies 6 8.2.2 Startup 6 8.2.3

33、 Interconnections 6 8.2.4 Maintenance 6 8.3 Temperature- and Pressure-Relief Valve 6 8.3.1 Test 6 8.3.2 Replacement 6 8.4 Leaks 6 8.4.1 Plumbing 6 8.4.2 Thermal Insulation 6 8.5 Thermal Bridging 6 8.6 Confirmation of Operation 6 8.6.1 Storage Tank Water Heaters 6 8.6.2 Integral Heat Pump Water Heate

34、rs 7 8.6.3 Add-on Water Heaters 7 Figures 8 November 2000 0 CSA International Installation of Electric Storaqe Tank and Heat Pump Water Heaters for Residential Use Technical Committee on Residential Equipnent V. Whelan Natural Resources Canada, Ottawa, Ontario C. Blochert Checkland (b) provide an ex

35、planation of circumstances surrounding the actual field condition; and (c) be phrased where possible to permit a specific “yes 0 or “no II answer. Committee interpretations are processed in accordance with the CSA Directives and guidelines governing standardization and are published in CSAs periodic

36、al info Update. For subscription details, write to CSA Sales Promotion, Info Update, at the address given above. November 2000 ix 0 CSA International Installation of Electric Storaqe Tank and Heat Pump Water Heaters for Residential Use C652-00 InstuZZation of EZectric Storage Tank and Heat Pump Wute

37、r Heaters for Residential Use 1. Scope 1.1 This Standard specifies requirements for the installation of electric storage tank and heat pump water heaters intended for use in residential premises. 1.2 This Standard applies to (a) electric storage tank water heaters with (i) volumes of 501154 L (13-l

38、20 US gal); and (ii) electrical heaters with power inputs up to 12 kW; and (b) heat pump water heaters that have (i) a maximum current rating of 24 A; (ii) a single-phase maximum voltage of 250 V; and (iii) ancillary equipment necessary for the device to function. 1.3 This Standard is not intended t

39、o provide guidance in selecting the tank capacity for any given installation. 1.4 The values given in SI (metric) units are the standard. The values given in parentheses are for information only. 2. Definitions and Reference Publications 2.1 Definitions The following definitions apply in this Standa

40、rd: Add-on heat pump - a supplementary heating device for connection to a storage tank water heater, consisting of an air-to-water heat pump, air-circulating fan, water pump, and controls. Authority having jurisdiction - the governmental body responsible for the enforcement of any part of this Stand

41、ard or the official or agency designated by that body to exercise such a function. Electric storage tank water heater - an automatically controlled, thermally insulated, electrically heated water storage tank having a rated storage capacity of 50-454 L (13-l 20 US gal). November 2000 C652-00 0 CSA I

42、nternational Heat pump water heater - a water heater system that utilizes electricity as an energy source for the transfer of thermal energy from one temperature level to a higher temperature level for the purpose of heating water. The system includes all necessary auxiliary equipment, such as fans,

43、 storage tanks, pumps, and necessary controls. Integral heat pump water heater - a complete water-heating system consisting of an air-to-water heat pump, storage tank, backup electric-resistance heaters, air-circulating fan, and controls in a single, integrated package. Note: The integral heat pump

44、uses CJ heat exchanger that is built into the inner wall of the tank as the condenser. This design increases the efficiency of the condenser and eliminates the need for Q pump to circulate the water. Jacket - the outer shell of the storage tank water heater surrounding the thermal insulation. 2.2 Re

45、ference Publications This Standard refers to the following publications and where such reference is made it shall be to the edition listed below, including all amendments published thereto. CSA Standards B12598, Plumbing Fittings; C22.1-98, Canadian Electrical Code, Part I; CANKSA-C22.2 No. 11 O-94

46、(R1999), Construction and Test of Electric Storage-Tank Water Heaters; c74500, Energy Efficiency of Nectric Storage Tank Water Heaters and Heat Pump Water Heaters. 3. Installation - General 3.1 Codes The installation shall be in accordance with all applicable local and provincial plumbing and electr

47、ical codes. The requirements of CSA Standards CANKSAC22.2 No. 110 and B125 shall be met. 3.2 Requirements The installer shall ensure that the installation requirements of this Standard are met, in addition to those specified in the manufacturers instructions. 3.3 Qualifications Personnel performing

48、installation, inspection, and maintenance work shall be experienced and/or trained in such work and shall comply with the requirements of the authority having jurisdiction. 3.4 Energy Efficiency The water heater shall meet the requirements of CSA Standard C745. 2 November 2000 0 CSA International ln

49、stallotion of Electric Storaqe Tank and Heat Pump Water Heaters for Residential Use 4. Placement 4.1 Electric Storage Tank Water Heaters 4.1.1 Placement The placement criteria in Clauses 4.1.2 to 4.1.7 shall be used when a new tank is installed or, where practicable, an existing tank is replaced. 4.1.2 Drainage The tank shall be installed close to a fully functional floor drain and shall be located such that the floor slope will carry water from the tank to that drain. If this is not practicable, the requirements of Clause 4.1.7 shall be met. 4.1.3 Location Where pra