CSA B55 2-2012 Récupérateurs de chaleur des eaux grises (Première édition).pdf

1、B55.2-12Drain water heat recovery unitsLegal 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 vie

2、wpoints and interests to achieve consensus and develop a standard. Although CSA Group administers the process and establishes rules to promote fairness in achieving consensus, it does not independently test, evaluate, or verify the content of standards.Disclaimer and exclusion of liabilityThis docum

3、ent is provided without any representations, warranties, or conditions of any kind, express or implied, including, without limitation, implied warranties or conditions concerning this documents fitness for a particular purpose or use, its merchantability, or its non-infringement of any third partys

4、intellectual property rights. CSA Group does not warrant the accuracy, completeness, or currency of any of the information published in this document. CSA Group makes no representations or warranties regarding this documents compliance with any applicable statute, rule, or regulation. IN NO EVENT SH

5、ALL CSA GROUP, ITS VOLUNTEERS, MEMBERS, SUBSIDIARIES, OR AFFILIATED COMPANIES, OR THEIR EMPLOYEES, DIRECTORS, OR OFFICERS, BE LIABLE FOR ANY DIRECT, INDIRECT, OR INCIDENTAL DAMAGES, INJURY, LOSS, COSTS, OR EXPENSES, HOWSOEVER CAUSED, INCLUDING BUT NOT LIMITED TO SPECIAL OR CONSEQUENTIAL DAMAGES, LOS

6、T REVENUE, BUSINESS INTERRUPTION, LOST OR DAMAGED DATA, OR ANY OTHER COMMERCIAL OR ECONOMIC LOSS, WHETHER BASED IN CONTRACT, TORT (INCLUDING NEGLIGENCE), OR ANY OTHER THEORY OF LIABILITY, ARISING OUT OF OR RESULTING FROM ACCESS TO OR POSSESSION OR USE OF THIS DOCUMENT, EVEN IF CSA GROUP HAS BEEN ADV

7、ISED OF THE POSSIBILITY OF SUCH DAMAGES, INJURY, LOSS, COSTS, OR EXPENSES.In publishing and making this document available, CSA Group is not undertaking to render professional or other services for or on behalf of any person or entity or to perform any duty owed by any person or entity to another pe

8、rson or entity. The information in this document is directed to those who have the appropriate degree of experience to use and apply its contents, and CSA Group accepts no responsibility whatsoever arising in any way from any and all use of or reliance on the information contained in this document.

9、CSA Group is a private not-for-profit company that publishes voluntary standards and related documents. CSA Group has no power, nor does it undertake, to enforce compliance with the contents of the standards or other documents it publishes. Intellectual property rights and ownershipAs between CSA Gr

10、oup and the users of this document (whether it be in printed or electronic form), CSA Group is the owner, or the authorized licensee, of all works contained herein that are protected by copyright, all trade-marks (except as otherwise noted to the contrary), and all inventions and trade secrets that

11、may be contained in this document, whether or not such inventions and trade secrets are protected by patents and applications for patents. Without limitation, the unauthorized use, modification, copying, or disclosure of this document may violate laws that protect CSA Groups and/or others intellectu

12、al property 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 poss

13、ibility 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 o

14、wn responsibility.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:sLOADTHISDOCUMENTONTOACOMPUTERFORTHESOLEPURPOSEOFREVIEW

15、INGITsSEARCHANDBROWSETHISDOCUMENTANDsPRINTTHISDOCUMENTIFITISIN0$(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 proces

16、sed 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 periodic review, and suggestions for its improvement will be referred to the appropriate committ

17、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 proposed change; and(d) rationale for the ch

18、ange. 2012 CSA Group Drain water heat recovery unitsJuly 2012 1B55.2-12Drain water heat recovery units1Scope1.1This Standard specifies requirements for the durability and safety of vertically installed, falling-film drain water heat recovery (DWHR) units.1.2This Standard applies to DWHR units of any

19、 diameter and length and configuration for use with potable water, and to their components and materials supplied by the manufacturer, their assembly and installation instructions, and their operation after assembly in accordance with these instructions. This Standard does not apply to site preparat

20、ion or installation procedures.1.3This Standard is not intended as a design specification or as an instruction manual for untrained persons.1.4In 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; “shou

21、ld” is used to express a recommendation or that which is advised but not required; 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 accompany

22、ing a clause is to separate from the text explanatory or informative material.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 (nonmandatory) to define their application.2 Reference p

23、ublicationsThis 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.ASME (The American Society of Mechanical Engineers)B16.18-2012Cast Copper Alloy Solder Joint Pressure FittingsB16.22-20

24、01 (R2005)Wrought Copper and Copper Alloy Solder Joint Pressure FittingsASTM International (American Society for Testing and Materials)B88-09Standard Specification for Seamless Copper Water TubeB306-09Standard Specification for Copper Drainage Tube (DWV)B55.2-12 2012 CSA Group2 July 2012AWS (America

25、n Welding Society)ANSI/AWS A5.8/A5.8M:2004Specification for Filler Metals for Brazing and Braze Welding3 DefinitionThe following definition shall apply in this Standard:Drain water heat recovery (DWHR) unit a double-wall, vented falling-film heat exchanger with a visible means of leak detection desi

26、gned to transfer heat from drain water to potable water.Note: “Double-wall” implies having two distinct tubes separating the drain water from the potable water.4 Classification of drain water heat recovery unitsDWHR units shall have two distinct walls separating the drain water from the potable wate

27、r and be deemed acceptable for potable water service complete with a visible means of leak detection.5Materials5.1 Manufacturing materials5.1.1Materials in contact with drain water shall be a minimum thickness of Type DWV copper tube, conforming to ASTM B306.5.1.2Materials in contact with potable wa

28、ter shall be a minimum thickness of Type L copper tube, conforming to ASTM B88. Non-tube copper components in contact with potable water shall have a minimum thickness of 1.7 mm and shall be Copper No. C12000 or C12200.5.1.3Standard fittings used in the manufacturing of DWHR units shall comply with

29、ASME B16.22 or ASME B16.18.5.1.4Connections between the coiled water supply tubes and a fabricated manifold shall be brazed using a filler metal with a melting point in the range of 590 to 815 C. Brazing alloys shall conform to the ANSI/AWS A5.8/A5.8M, BCuP range.5.2 Installation materials5.2.1DWHR

30、units shall have drainage connections compatible with industry standard cast iron, copper, and plastic pipe used in drainage systems for which the unit is designed.5.2.2DWHR units shall have water connections compatible with industry standards for copper and PEX. 2012 CSA Group Drain water heat reco

31、very unitsJuly 2012 36 Pressure testing Minimum burst pressureThe heat transfer fluid or potable water section of a sample DWHR unit shall pass without leakage a hydrostatic test at 1.5 times the manufacturers design pressure or not less than 1550 kPa (225 psi), whichever is greater, for a duration

32、of 15 min.7 Marking and labelling7.1 GeneralMarking and labelling requirements not otherwise specified in this Standard should be of such a nature and be located to satisfactorily serve the needs of the system owner.Note: Marking and labelling should meet the requirements of the applicable authoriti

33、es having jurisdiction.7.2 MarkingThe system shall be supplied and installed with the following information clearly and permanently displayed:(a)the manufacturers name or product trademark;(b) the model number; and(c) the serial number.Note: Markings should be in both metric and imperial units, and in English and French.PRINTED IN CANADAIMPRIMEAU CANADA100%ISBN 978-1-55491-889-8CSA Group prints its publications on Rolland Enviro100, which contains 100%recycled post-consumer fibre, is EcoLogo and Processed Chlorine Free certified, and was manufactured using biogas energy.