ASHRAE 15 ADD C-2016 Safety Standard for Refrigeration Systems.pdf
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1、ANSI/ASHRAE Addendum c toANSI/ASHRAE Standard 15-2013Safety Standard forRefrigeration SystemsApproved by the ASHRAE Standards Committee on June 29, 2016; by the ASHRAE Technology Council on June 29, 2016;and by the American National Standards Institute on June 30, 2016.This addendum was approved by
2、a Standing Standard Project Committee (SSPC) for which the Standards Committee has estab-lished a documented program for regular publication of addenda or revisions, including procedures for timely, documented, con-sensus action on requests for change to any part of the standard. The change submitta
3、l form, instructions, and deadlines may beobtained in electronic form from the ASHRAE website (www.ashrae.org) or in paper form from the Senior Manager of Standards. The latest edition of an ASHRAE Standard may be purchased on the ASHRAE website (www.ashrae.org) or from ASHRAE Cus-tomer Service, 179
4、1 Tullie Circle, NE, Atlanta, GA 30329-2305. E-mail: ordersashrae.org. Fax: 678-539-2129. Telephone: 404-636-8400 (worldwide), or toll free 1-800-527-4723 (for orders in US and Canada). For reprint permission, go towww.ashrae.org/permissions. 2016 ASHRAE ISSN 1041-2336ASHRAE is a registered trademar
5、k of the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.ANSI is a registered trademark of the American National Standards Institute.SPECIAL NOTEThis American National Standard (ANS) is a national voluntary consensus Standard developed under the auspices of ASHRAE. Con
6、sensus is definedby the American National Standards Institute (ANSI), of which ASHRAE is a member and which has approved this Standard as an ANS, as“substantial agreement reached by directly and materially affected interest categories. This signifies the concurrence of more than a simple majority,bu
7、t not necessarily unanimity. Consensus requires that all views and objections be considered, and that an effort be made toward their resolution.”Compliance with this Standard is voluntary until and unless a legal jurisdiction makes compliance mandatory through legislation. ASHRAE obtains consensus t
8、hrough participation of its national and international members, associated societies, and public review.ASHRAE Standards are prepared by a Project Committee appointed specifically for the purpose of writing the Standard. The ProjectCommittee Chair and Vice-Chair must be members of ASHRAE; while othe
9、r committee members may or may not be ASHRAE members, allmust be technically qualified in the subject area of the Standard. Every effort is made to balance the concerned interests on all Project Committees. The Senior Manager of Standards of ASHRAE should be contacted fora. interpretation of the con
10、tents of this Standard,b. participation in the next review of the Standard,c. offering constructive criticism for improving the Standard, ord. permission to reprint portions of the Standard.DISCLAIMERASHRAE uses its best efforts to promulgate Standards and Guidelines for the benefit of the public in
11、 light of available information and acceptedindustry practices. However, ASHRAE does not guarantee, certify, or assure the safety or performance of any products, components, or systemstested, installed, or operated in accordance with ASHRAEs Standards or Guidelines or that any tests conducted under
12、its Standards or Guidelineswill be nonhazardous or free from risk.ASHRAE INDUSTRIAL ADVERTISING POLICY ON STANDARDSASHRAE Standards and Guidelines are established to assist industry and the public by offering a uniform method of testing for rating purposes, bysuggesting safe practices in designing a
13、nd installing equipment, by providing proper definitions of this equipment, and by providing other informationthat may serve to guide the industry. The creation of ASHRAE Standards and Guidelines is determined by the need for them, and conformanceto them is completely voluntary.In referring to this
14、Standard or Guideline and in marking of equipment and in advertising, no claim shall be made, either stated or implied,that the product has been approved by ASHRAE.ASHRAE Standing Standard Project Committee 15Cognizant TCs: 101, Custom Engineered Refrigeration Systems,and 9.1, Large Building Air-Con
15、ditioning SystemsSPLS Liaison: Roger HedrickDennis Dorman*, Chair Douglas T. Reindl* Tim HalsorMartin Timm, Vice-Chair Brian J. Rodgers* Alexander HillbrandGregory A. Scrivener*, Secretary Jeffrey M. Shapiro* Glenn C. HourahanWayne K. Borrowman* Eric M. Smith* Hung M. PhamEls Baert Russell C. Tharp*
16、 Douglas K. TuckerJim Caylor* John I. Vucci* James T. VershawDanny Halel* Larry D. Burns Wei WangScott MacBain* Rakesh Goel* Denotes members of voting status when the document was approved for publicationASHRAE STANDARDS COMMITTEE 20162017Rita M. Harrold, Chair Julie M. Ferguson Cyrus H. NasseriStev
17、en J. Emmerich, Vice-Chair Michael W. Gallagher David RobinJames D. Aswegan Walter T. Grondzik Peter SimmondsNiels Bidstrup Vinod P. Gupta Dennis A. StankeDonald M. Brundage Susanna S. Hanson Wayne H. Stoppelmoor, Jr.Waller S. Clements Roger L. Hedrick Jack H. ZarourDrury B. Crawley Rick M. Heiden W
18、illiam F. Walter, BOD ExOJohn F. Dunlap, Srinivas Katipamula Patricia Graef, COJames W. Earley, Jr. Arsen K. MelikovKeith I. Emerson R. Lee Millies, Jr.Stephanie C. Reiniche, Senior Manager of Standards ASHRAE (www.ashrae.org). For personal use only. Additional reproduction, distribution, or transmi
19、ssion in either print or digital form is not permitted without ASHRAEs prior written permission.ANSI/ASHRAE Addendum c to ANSI/ASHRAE Standard 15-2013 1(This foreword is not part of this standard. It is merelyinformative and does not contain requirements necessaryfor conformance to the standard. It
20、has not been pro-cessed according to the ANSI requirements for a standardand may contain material that has not been subject topublic review or a consensus process. Unresolved objec-tors on informative material are not offered the right toappeal at ASHRAE or ANSI.)FOREWORDAddendum c gives requirement
21、s for carbon dioxide (CO2)refrigeration systems and modifies the requirements formachinery rooms. The addendum modifies a definition in andadds new definitions to Section 3. In addition, the addendumeliminates Section 8.12(d) and completely revises Section 9.2.6.Note: In this addendum, changes to th
22、e current standardare indicated in the text by underlining (for additions) andstrikethrough (for deletions) unless the instructions specifi-cally mention some other means of indicating the changes. transcritical system: a refrigeration system in which evapora-tion occurs in the subcritical region an
23、d heat rejection canoccur at a pressure exceeding the critical pressure of therefrigerant.gas cooler: a heat exchanger designed to remove heat from atranscritical system.intermediate pressure stage: a pressure stage that is some-times present on carbon dioxide (R-744) transcritical systemsthat opera
24、tes between the highside and lowside pressurestages, is regulated by a flash gas bypass valve, and includesflash gas tanks and gas coolers, where provided.flash gas tank: a tank provided to separate vapor from liquidon the supply side of an evaporator. The feed to a flash gastank is supercritical ga
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