1、ANSI/ASHRAE Addendum g 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 g 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 g makes a number of
21、 important changes toASHRAE Standard 15-2013. The first change to Section 9.2.1clarifies the metric unit gage pressure when designing for vac-uum. The changes to Section 9.9 give new requirements for theuse of pressure limiting devices. The changes to Section 9.11clarify that ASME Section VIII, “Pre
22、ssure Vessel Design,” isnot required for the water side of heat exchangers, providedcertain other design requirements are met. The changes toSection 9.13 stipulate that other types of compression devicesthat are not specifically listed in the section may be used forthe connection of copper tubing pr
23、oviding they are agencylisted for the refrigeration use. There is also the addition ofSection 9.7.8.6. And finally, the changes to the Normative Ref-erences in Appendix B remove the notes pertaining to Refer-ences 6 and 8, making these references required for all users. Note: In this addendum, chang
24、es 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 indicating the changes. 9.2.1 Design pressures shall not be less than pressure aris-ing under maximum operating, stand
25、by, or shipping condi-tions. When selecting the design pressure, allowance shall beprovided for setting pressure-limiting devices and pressure-relief devices to avoid nuisance shutdowns and loss of refrig-erant. The ASME Boiler and Pressure Vessel Code, SectionVIII, Division I, Appendix M, contains
26、information on theappropriate allowances for design pressure.Refrigerating equipment shall be designed for a vacuumof 29.0 in. Hg (32F) (3.12 kPa) (737 mm Hg 0C). Designpressure for lithium bromide absorption systems shall not beless than 5 psig gage pressure 5.00 psi (34.5 kPa 34.7 kPagage). Design
27、 pressure for mechanical refrigeration systemsshall not be less than gage pressure 15.0 psi 15 psig (103 kPa103.4 kPa gage) and, except as noted in Sections 9.2.2, 9.2.3,9.2.4, 9.2.5, and 9.2.6, shall not be less than the saturationpressure (gage) corresponding to the following temperatures: . . . 9
28、.7.8 Discharge from Pressure-Relief Devices. Pressure-relief systems designed for vapor shall comply with Section9.7.8. Pressure-relief systems designed for liquid shall com-ply with Section 9.4.3. Different refrigerants shall not be vented into a commonrelief piping system unless the refrigerants a
29、re included in ablend that is recognized by ASHRAE Standard 341.9.9.1 When Required. Pressure-limiting devices comply-ing with Section 9.9 shall be provided for compressors onsystems operating above atmospheric pressure, except that apressure-limiting device is not required on any factory-sealedsyst
30、em containing less than 22 lb (10 kg) of Group A1 refrig-erant that has been listed by an approved, nationally recog-nized testing laboratory and is so identified.Exception: Pressure-limiting devices are not required forlisted-factory-sealed systems containing less than 22 lb(10 kg) of Group A1 refr
31、igerant.9.9.2 Setting. When required by Section 9.9.1, the maxi-mum setting to which a pressure-limiting device is capable ofbeing readily set by use of the adjusting means provided shallnot exceed the design pressure of the highside of a systemthat is not protected by a pressure-relief device or 90
32、% of thesetting of the pressure-relief device installed on the highsideof a system. The pressure-limiting device shall stop the actionof the pressure-imposing element at a pressure no higher thanthis maximum setting.9.9.2 Setting. Pressure-limiting devices shall be set inaccordance with one the foll
33、owing:a. For positive-displacement compressors:1. When systems are protected by a high-side pressurerelief device, the compressors pressure-limitingdevice shall be set at or below 90% of the operatingpressure for the high-side pressure relief device. 2. When systems are not protected by a high-side
34、pres-sure relief device, the compressors pressure-limitingdevice shall be set at or below the systems high-sidedesign pressure.b. For nonpositive-displacement compressors:1. When systems are protected by a high-side pressurerelief device, the compressors pressure-limitingdevice shall be set at or be
35、low 90% of the operatingpressure for the high-side pressure relief device2. When systems are protected by a low-side pressurerelief device that is only subject to lowside pressureand is provided with a permanent relief path betweenthe systems highside and lowside, without interven-ing valves, the co
36、mpressors pressure-limiting deviceshall be set at or below the systems high-side designpressure.9.9.3 Connection. Pressure-limiting devices shall be con-nected between the pressure-imposing element and any stopvalve on the discharge side. There shall be no intervening stopvalves in the line leading
37、to the pressure-limiting device.9.9.3 Location. Stop valves shall not be installed betweenthe pressure-imposing element and pressure-limiting devicesserving compressors.Addendum g to Standard 15-2013Modify Section 9 as shown. NOTE: Changes to Section9.7.8 in this addendum reflect previous changes ma
38、de byaddendum a to this standard. Addenda to Standard 15 maybe downloaded at the ASHRAE website:https:/www.ashrae.org/standards-research-technology/standards-addenda. ASHRAE (www.ashrae.org). For personal use only. Additional reproduction, distribution, or transmission in either print or digital for
39、m is not permitted without ASHRAEs prior written permission.2 ANSI/ASHRAE Addendum g to ANSI/ASHRAE Standard 15-20139.9.4 Emergency Stop. Activation of a pressure-limitingdevice shall stop the action of the pressure-imposing element. . . . 9.11.1 UnchangedException: Water-side components designed to
40、 operate ata temperature not exceeding 210F (99C) shall beexempted from the rules of Section VIII of the ASMEBoiler and Pressure Vessel Code6and shall bedesigned, constructed, and assembled to have an ulti-mate strength sufficient to withstand 150 psig (1034kPa) or two times the design pressure for
41、which it israted, whichever is greater. . . . 9.13.1 The following are requirements for unprotectedrefrigerant-containing copper pipe or tubing . . . b. Copper tube shall be connected by brazed joints, solderedjoints, or compression fittings or fittings listed for refrig-eration use. NORMATIVE APPEN
42、DIX BNORMATIVE REFERENCESThis appendix contains full citations for normative references.Full citations for references that are solely informative areincluded in Informative Appendix A. Note that in some loca-tions within the standard, normative references are also usedas informative references. Refe
43、rences in this standard arenumbered in the order in which they appear in the document,so the numbers for the informative references are shown forthe convenience of the user.1. ANSI/ASHRAE Standard 34-2001, Designation andSafety Classification of Refrigerants, American Soci-ety of Heating, Refrigerat
44、ing and Air-ConditioningEngineers, Inc., Atlanta, GA 30329.2. Not a normative reference.3. ARI 700-1999, Specifications for FlourocarbonRefrigerants and ARI Standard 700c-1999, AppendixC to ARI Standard 700Analytical Procedures forARI Standard 700-99, Air-Conditioning and Refriger-ation Institute, 4
45、100 North Fairfax Drive, Arlington,VA 22203.4. UL 1995-1995 Heating and Cooling Equipment,Underwriters Laboratories Inc., 333 Pfingsten Road,Northbrook, IL 60062.5. NFPA 70-2002, National Electrical Code?, NationalFire Protection Association (NFPA), 1 BatterymarchPark, Quincy, MA 02269-9101.6. ANSI/
46、ASME Boiler and Pressure Vessel Code, SectionVIII, Rules for Construction of Pressure Vessels, Divi-sion 1, 2001, American Society of Mechanical Engi-neers (ASME), 3 Park Avenue, New York, NY 10016-5990.Note: Reference 6 is mandatory for designers, manufac-turers, and producers of refrigeration equi
47、pment. For all otherusers, this reference is informative.7. Not a normative reference.8. ANSI/ASME B31.5-2001, Refrigeration Piping andHeat Transfer Components, American Society ofMechanical Engineers (ASME), 3 Park Avenue, NewYork, NY 10016.Note: Reference 8 is mandatory for designers, manufac-ture
48、rs, and producers of refrigeration equipment. For all otherusers, this reference is informative.Modify Normative Appendix B as follows. ASHRAE (www.ashrae.org). For personal use only. Additional reproduction, distribution, or transmission in either print or digital form is not permitted without ASHR
49、AEs prior written permission.POLICY STATEMENT DEFINING ASHRAES CONCERNFOR THE ENVIRONMENTAL IMPACT OF ITS ACTIVITIESASHRAE is concerned with the impact of its members activities on both the indoor and outdoor environment.ASHRAEs members will strive to minimize any possible deleterious effect on the indoor and outdoor environment ofthe systems and components in their responsibility while maximizing the beneficial effects these systems provide,consistent with accepted Standards and the practical state of the art.ASHRAEs short-range goal is to ensu
