ASHRAE 15 & 34 ADD A-2014 Safety Standard for Refrigeration Systems.pdf
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1、ANSI/ASHRAE Addendum a toANSI/ASHRAE Standard 15-2013Safety Standard forRefrigeration SystemsApproved by the ASHRAE Standards Committee on January 18, 2014; by the ASHRAE Board of Directors on January 22, 2014;and by the American National Standards Institute on January 23, 2014.These addenda were ap
2、proved by 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 chang
3、e submittal form, instructions, and deadlines may beobtained in electronic form from the ASHRAE website (www.ashrae.org) or in paper form from the 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,
4、1791 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. 2014 ASHRAE ISSN 1041-2336SPECIAL NOTEThis American Na
5、tional Standard (ANS) is a national voluntary consensus standard developed under the auspices of ASHRAE.Consensus is defined by the American National Standards Institute (ANSI), of which ASHRAE is a member and which has approved thisstandard as an ANS, as “substantial agreement reached by directly a
6、nd materially affected interest categories. This signifies the concurrenceof more than a simple majority, but not necessarily unanimity. Consensus requires that all views and objections be considered, and that aneffort be made toward their resolution.” Compliance with this standard is voluntary unti
7、l and unless a legal jurisdiction makes compliancemandatory through legislation.ASHRAE obtains consensus through participation of its national and international members, associated societies, and public review.ASHRAE Standards are prepared by a Project Committee appointed specifically for the purpos
8、e of writing the Standard. The ProjectCommittee Chair and Vice-Chair must be members of ASHRAE; while other 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
9、Committees.The Manager of Standards of ASHRAE should be contacted for:a. interpretation of the contents 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.DISCLAIMERAS
10、HRAE uses its best efforts to promulgate Standards and Guidelines for the benefit of the public in light of available information andaccepted industry practices. However, ASHRAE does not guarantee, certify, or assure the safety or performance of any products, components,or systems tested, installed,
11、 or operated in accordance with ASHRAEs Standards or Guidelines or that any tests conducted under itsStandards or Guidelines will be nonhazardous or free from risk.ASHRAE INDUSTRIAL ADVERTISING POLICY ON STANDARDSASHRAE Standards and Guidelines are established to assist industry and the public by of
12、fering a uniform method of testing for ratingpurposes, by suggesting safe practices in designing and installing equipment, by providing proper definitions of this equipment, and by providingother information that may serve to guide the industry.The creation of ASHRAE Standards and Guidelines is dete
13、rmined by the need for them,and conformance to them is completely voluntary.In referring to this 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 Commit
14、tee 15CognizantTCs:TC 10.1, Custom Engineered Refrigeration Systems,andTC 9.1, Large Building Air-Conditioning SystemsSPLS Liaison: Mark P. ModeraStaff Liaison: Douglas K.TuckerDennis R. Dorman, Chair Stephen W. Duda Brian J. RodgersMartin L. Timm, Vice Chair Danny M. Halel Jeffrey M. ShapiroGregory
15、 A. Scrivener, Secretary Phillip A. Johnson Eric M. SmithEls Baert Jay A. Kohler Ganesan SundaresanWayne K. Borrowman C. Dominic Kolandayan Russell C. TharpJames M. Calm Scott M. MacBain, Sr. Ronald P. VallortJim Caylor Chun-cheng Piao John I. VucciPaul L. Doppel Douglas T. ReindlASHRAE STANDARDS CO
16、MMITTEE 20132014William F. Walter, Chair David R. Conover Malcolm D. KnightRichard L. Hall, Vice-Chair John F. Dunlap Rick A. LarsonKarim Amrane James W. Earley, Jr. Mark P. ModeraJoseph R. Anderson Steven J. Emmerich Cyrus H. NasseriJames Dale Aswegan Julie M. Ferguson Janice C. PetersonCharles S.
17、Barnaby Krishnan Gowri Heather L. PlattSteven F. Bruning Cecily M. Grzywacz Douglas T. ReindlJohn A. Clark Rita M. Harrold Julia A. Keen, BOD ExOWaller S. Clements Adam W. Hinge Thomas E. Werkema, Jr., CODebra H. KennoyStephanie C. Reiniche, Manager of StandardsASHRAE is a registered trademark of th
18、e American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.ANSI is a registered trademark of the American National Standards Institute. ASHRAE (www.ashrae.org). For personal use only. Additional reproduction, distribution, or transmission in either print or digital form is not
19、permitted without ASHRAEs prior written permission.ANSI/ASHRAE Addendum a 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 has not been pro-cessed according to the ANSI
20、 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.)FOREWORDThis addendum modifies and clarifies the requirementsfor discharge of pre
21、ssure-relief devices, including whererefrigerant may be safely discharged in the event of a release.Systems located outdoors are now specifically addressed andinclude an exemption from the 15 ft (4.57 m) height require-ment if meeting specified criteria. The committee reviewedresults of analytical d
22、ispersion modeling to confirm that loca-tion requirements for release of refrigerant on the exterior ofa building are adequate to reduce risk of unacceptable con-centrations of refrigerant. Requirements for sulfur dioxidewere removed because this refrigerant is generally no longerin use. The existin
23、g content of Section 9.7.8 and Appendix Dwere reorganized to provide better clarity.Note: In this addendum, changes to the current standardare indicated in the text by underlining (for additions) andstrikethrough (for deletions) unless the instructions specifi-cally mention some other means of indic
24、ating the changes.9.7.8 For systems in which one or more of the followingconditions apply, pressure-relief devices and fusible plugsshall discharge to the atmosphere at a location not less than15 ft (4.57 m) above the adjoining ground level and not lessthan 20 ft (6.1 m) from any window, ventilation
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