ASHRAE 15 ADD F-2017 Safety Standard for Refrigeration Systems.pdf

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1、ANSI/ASHRAE Addendum f toANSI/ASHRAE Standard 15-2016Safety Standard forRefrigeration SystemsApproved by the ASHRAE Standards Committee on January 28, 2017; by the ASHRAE Tech Council on February 1, 2017;and by the American National Standards Institute on February 2, 2017.This addendum was approved

2、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 change submi

3、ttal 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,

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. 2017 ASHRAE ISSN 1041-2336ASHRAE is a registered trade

5、mark 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.

6、Consensus 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

7、,but 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 consensu

8、s 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 purpose of writing the Standard. The ProjectCommittee Chair and Vice-Chair must be members of ASHRAE; while o

9、ther 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

10、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.DISCLAIMERASHRAE uses its best efforts to promulgate Standards and Guidelines for the benefit of the public

11、 in 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 und

12、er 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 designin

13、g and 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 th

14、is 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 STANDARDS COMMITTEE 20162017Rita M. Harrold, Chair Julie M. Ferguson Cyrus H. NasseriSteven J. Emmerich, Vice-Chair Michael W.

15、 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 William F. Walter, BOD ExOJohn F. Dunl

16、ap, Srinivas Katipamula Patricia Graef, COJames W. Earley, Jr. Arsen K. MelikovKeith I. Emerson R. Lee Millies, Jr.Stephanie C. Reiniche, Senior Manager of StandardsASHRAE Standing Standard Project Committee 15Cognizant TCs: 101, Custom Engineered Refrigeration Systems,and 9.1, Large Building Air-Co

17、nditioning 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

18、* 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 publication ASHRAE (www.ashrae.org). For personal use only. Additional reproduction, distribution, or tran

19、smission in either print or digital form is not permitted without ASHRAEs prior written permission.ANSI/ASHRAE Addendum f to ANSI/ASHRAE Standard 15-2016 1(This foreword is not part of this standard. It is merelyinformative and does not contain requirements necessaryfor conformance to the standard.

20、It 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.)FOREWORDThis addendum deletes Sec

21、tion 8.12(d); moves Table 9.7.9.3to Normative Appendix D, “Allowable Equivalent Length ofDischarge Piping,” and renames it Table D-2; and adds addi-tional data for Piping Nominal Diameter NPS.DN and TubingDiameter O.D. (based on Type L copper) to Table D-2.Note: In this addendum, changes to the curr

22、ent 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. 8.12 Machinery Room, Special Requirements. In casesspecified in the rules of Section 7.4, a refrigerating ma

23、chineryroom shall meet the following special requirements in addi-tion to those in Section 8.11:a. There shall be no flame-producing device or continu-ously operating hot surface over 800F (427C) per-manently installed in the room.b. Doors communicating with the building shall beapproved, self-closi

24、ng, tight-fitting fire doors.c. Walls, floor, and ceiling shall be tight and of noncom-bustible construction. Walls, floor, and ceiling separat-ing the refrigerating machinery room from otheroccupied spaces shall be of at least one-hour fire-resis-tive construction.d. The refrigerating machinery roo

25、m shall have a doorthat opens directly to the outdoors or through a vesti-bule equipped with self-closing, tight-fitting doors.e.d. Exterior openings, if present, shall not be under anyfire escape or any open stairway.f.e. All pipes piercing the interior walls, ceiling, or floorof such rooms shall b

26、e tightly sealed to the walls, ceil-ing, or floor through which they pass.g.f. When refrigerants of Groups A2, A3, B2, and B3are used, the machinery room shall conform to Class 1,Division 2, of the National Electrical Code.5 Whenrefrigerant Groups A1 and B1 are used, the machineryroom is not require

27、d to meet Class 1, Division 2, of theNational Electrical Code.Exception: When ammonia is used, the requirements ofClass 1, Division 2, of the National Electrical Code shallnot apply, providing the requirements of Section 8.12(h)are met.9.7.9.3 The maximum length of the discharge pipinginstalled on t

28、he outlet of pressure-relief devices and fusibleplugs discharging to the atmosphere shall be determined byt he method in Normative Appendix D. See Table 9.7.9.3 D-2for the flow capacity of various equivalent lengths of dis-charge piping for conventional relief valves.Addendum f to Standard 15-2016Mo

29、dify Section 8.12 as shown (I-P and SI).Modify Section 9.7.9.3 as shown (I-P and SI).Rename and modify Table 9.7.9.3 as shown (I-P and SI). ASHRAE (www.ashrae.org). For personal use only. Additional reproduction, distribution, or transmission in either print or digital form is not permitted without

30、ASHRAEs prior written permission.2 ANSI/ASHRAE Addendum f to ANSI/ASHRAE Standard 15-2016Table9.7.9.3TableD-2TablePressureReliefValveDischargeLineCapacity(lb/minofair)ofVariousDischargeLineLengthsSet Pressure, psigLength, ftNominal Pipe Size, NPS in./(DN mm)Set Pressure,psigLength, ftNominal Pipe Si

31、ze, NPS in./(DN mm)0.5 (15)0.75 (20)1 (25)1.25 (32)1.5 (40)2 (50)2.5 (65)3 (80)4 (100)5 (125)6 (150)0.5 (15)0.75 (20)1 (25)1.25 (32)1.5 (40)2 (50)2.5 (65)3 (80)4 (100)5 (125)6 (150)522.85.810.721.331.457.888.8148.0278.946970415151.93.97.314.822.141.765.3111.6218.0379583532.34.89.018.126.849.977.3130

32、.4249.842664715201.63.46.413.019.436.857.999.4195.8344532542.04.27.916.023.744.569.4117.8228.239360115251.53.15.711.717.533.352.590.5179.3316492551.83.87.114.421.540.663.5108.3211.436756415301.32.85.310.716.130.748.483.6166.3295460561.73.56.613.319.837.558.9100.8197.834653315401.22.44.69.414.026.842

33、.473.5147.1262411581.53.05.711.617.433.152.089.5177.031248415601.02.03.87.711.622.135.161.0122.72203475101.32.75.110.515.729.947.181.3161.7286446151000.71.52.96.09.017.327.547.996.81752765151.12.24.28.612.924.739.267.9135.9243380151600.61.22.34.77.113.721.838.177.31402225200.91.93.77.511.321.634.259

34、.4119.5214337152500.51.01.93.85.711.017.530.662.31131795250.81.73.36.710.119.430.853.5107.91943062525.711.320.037.653.593.2137.5219.2390.56289185300.81.63.06.29.317.828.249.199.11792822534.99.917.834.048.886.5128.8207.5374.46088935400.71.42.65.38.015.424.542.886.51562472544.48.916.231.345.381.0121.6

35、197.6360.15898695600.51.12.14.46.612.620.135.171.21292052554.08.214.929.142.376.4115.5188.9347.357284851000.40.91.73.45.19.815.627.355.61011602563.77.613.927.439.972.6110.2181.3335.855682851600.30.71.32.74.07.812.421.744.1801272583.36.712.424.636.166.4101.5168.5315.952979152500.30.61.02.13.26.29.917

36、.435.36410225103.06.111.322.633.361.594.6158.1299.15057591524.69.316.732.046.081.6121.8196.5355.257784925152.55.19.519.128.352.982.1138.7266.64576941533.98.015.528.341.074.0111.6182.3334.555081525202.14.58.316.825.047.173.5125.0242.94206431543.57.113.025.637.468.1103.6170.8317.152678425251.94.07.515

37、.222.742.967.1114.7224.53916021553.16.511.923.634.663.597.1161.2302.250675725301.83.76.914.020.939.662.2106.6209.83675681562.96.011.022.032.359.791.7153.1289.248773225401.53.26.012.218.334.854.994.5187.33315141582.55.29.719.528.953.883.2140.0267.545568925601.32.64.910.115.128.945.779.1158.0281440151

38、02.34.78.817.826.349.376.7129.7250.1429683251001.02.03.87.911.822.736.062.5125.8226356SI Conversions: kPa = psig 6.895; mm = in. 25.4; kg/s = lb/min 0.007559; m = ft 0.3048 ASHRAE (www.ashrae.org). For personal use only. Additional reproduction, distribution, or transmission in either print or digit

39、al form is not permitted without ASHRAEs prior written permission.ANSI/ASHRAE Addendum f to ANSI/ASHRAE Standard 15-2016 3Set Pressure, psigLength, ftNominal Pipe Size, NPS in./(DN mm)Set Pressure,psigLength, ftNominal Pipe Size, NPS in./(DN mm)0.5 (15)0.75 (20)1 (25)1.25 (32)1.5 (40)2 (50)2.5 (65)3

40、 (80)4 (100)5 (125)6 (150)0.5 (15)0.75 (20)1 (25)1.25 (32)1.5 (40)2 (50)2.5 (65)3 (80)4 (100)5 (125)6 (150)251600.81.63.16.39.418.128.750.0101.118328975154.59.216.933.248.488.0133.72204076751004252500.61.32.45.07.614.532.140.381.714823575204.08.215.129.943.880.5123.12043836419605027.614.725.446.565.

41、3111.7162.8256451718104575253.67.413.727.440.374.6114.81923636129215036.813.223.243.461.4106.3156.1248439704102775303.36.812.725.437.669.8107.91813455878875046.112.221.640.858.1101.6150.2240429691101175402.96.011.222.533.462.597.21643175448285055.711.320.238.655.297.4144.923341967899675602.45.09.316

42、.828.052.982.81412764817395065.310.619.136.752.893.8140.1226410666981751001.93.97.314.822.242.266.51152274016235084.79.517.333.648.787.5131.8215393644953751601.53.15.811.917.834.053.89318633252050104.38.715.931.245.582.4124.8205378624927752501.22.54.79.614.427.543.67615327443250153.67.413.626.939.67

43、2.7113.3185347582872100210.319.432.959.382.2138.8200.8314547868125850203.16.512.024.035.565.8101.417032354782510039.417.930.956.478.9134.4195.4307539857124650252.85.910.921.932.460.593.815830351778510048.716.829.254.075.9130.3190.4301531847123450302.65.410.020.330.156.387.614828649275010058.115.827.

44、851.873.2126.6185.9295523837122250402.34.78.817.826.650.178.313326045169210067.615.026.549.970.8123.2181.7289515828121050601.93.97.314.822.142.066.011322439360810086.913.724.546.666.6117.2174.02795018101188501001.43.05.711.617.433.352.691182323504100106.312.722.843.963.1112.0167.22704887931167501601

45、.12.44.59.313.926.742.373148265416100155.410.919.938.756.3101.4153.12504597561120502500.91.93.67.511.221.534.259120217342100204.79.717.835.151.393.4142.123443572310777529.117.229.453.374.3126.0182.72865017951154100254.38.816.332.347.487.0133.222141569410397538.215.827.350.470.7121.2176.9279491783114

46、0100304.08.215.130.144.381.8125.821039766810057547.514.625.747.867.6116.9171.62724827721127100403.57.213.326.739.573.7114.01923676259467557.013.724.345.764.8113.1166.82664747621114100602.95.911.122.433.462.797.91663235588537566.513.023.143.762.4109.6162.326046675111011001002.24.78.717.826.650.479.21

47、362684717287585.911.821.140.658.3103.4154.424945073210771001601.83.77.014.321.440.764.311122239361475105.410.819.638.054.998.2147.524043771410541002501.43.05.611.517.333.052.391182326513Table9.7.9.3TableD-2TablePressureReliefValveDischargeLineCapacity(lb/minofair)ofVariousDischargeLineLengths(Contin

48、ued)SI Conversions: kPa = psig 6.895; mm = in. 25.4; kg/s = lb/min 0.007559; m = ft 0.3048 ASHRAE (www.ashrae.org). For personal use only. Additional reproduction, distribution, or transmission in either print or digital form is not permitted without ASHRAEs prior written permission.4 ANSI/ASHRAE Ad

49、dendum f to ANSI/ASHRAE Standard 15-2016Set Pressure, psigLength, ftNominal Pipe Size, NPS in./(DN mm)Set Pressure,psigLength, ftNominal Pipe Size, NPS in./(DN mm)0.5 (15)0.75 (20)1 (25)1.25 (32)1.5 (40)2 (50)2.5 (65)3 (80)4 (100)5 (125)6 (150)0.5 (15)0.75 (20)1 (25)1.25 (32)1.5 (40)2 (50)2.5 (65)3 (80)4 (100)5 (125)6 (150)150212.523.339.270.196.8162.7234.536663610061457200256.813.924.349.572.0130.1196.63225929671447150311.621.837.267.493.7158.5229.63606289961446200306.312.923.646.567.9123.4187.63095729491412150410.820.635.564.990.8154.7225.135462198714352