ANSI/ASHRAE Addendum C To ANSI/ASHRAE Standard 34-2019
ANSI/ASHRAE Addendum c toANSI/ASHRAE Standard 34-2019Designation andSafety Classification ofRefrigerantsApproved by the ASHRAE Standards Committee on October 16, 2019; by the ASHRAE Board of Directors on November 1,2019; and by the American National Standards Institute on November 5, 2019.This addendum was approved by a Standing Standard Project Committee (SSPC) for which the Standards Committee hasestablished a documented program for regular publication of addenda or revisions, including procedures for timely, documented, consensus action on requests for change to any part of the standard. Instructions for how to submit a change canbe found on the ASHRAE website e latest edition of an ASHRAE Standard may be purchased on the ASHRAE website (www.ashrae.org) or fromASHRAE Customer Service, 1791 Tullie Circle, NE, Atlanta, GA 30329-2305. E-mail: orders@ashrae.org. Fax: 678-5392129. Telephone: 404-636-8400 (worldwide), or toll free 1-800-527-4723 (for orders in US and Canada). For reprint permission, go to www.ashrae.org/permissions. 2019 ASHRAEISSN 1041-2336
ASHRAE. Per international copyright law, additional reproduction, distribution, or transmission in eitherprint or digital form is not permitted without ASHRAE's prior written permission.ASHRAE Standing Standard Project Committee 34Cognizant TC: 3.1, Refrigerants and Secondary CoolantsSPLS Liaison: Charles S. BarnabyStaff Liaison: Brian C. CoxSean Cunningham*, ChairStephen Kujak*, Vice-ChairPaul H. DugardBrian A. FrickeGary W. Jepson*Sarah Kim*Mary E. KobanTatsuro KobayashiJay A. Kohler*William KopkoAndrew Kusmierz*Evan LaganisThomas J. LeckBob LowZidu Ma*Julie Majurin*Angel MendezMark M. OlsonChun-cheng Piao*Robert G. RichardGeorge M. RuschMarc Scancarello*Christopher J. Seeton*John Senediak*Ankit SethiValerie ShultzEric M. Smith*Elyse SorensonJian Sun-BlanksKenji Takizawa*Douglas K. TuckerSamuel F. Yana-Motta** Denotes members of voting status when the document was approved for publicationASHRAE STANDARDS COMMITTEE 2019–2020Wayne H. Stoppelmoor, Jr., ChairDrury B. Crawley, Vice-ChairEls BaertCharles S. BarnabyNiels BidstrupRobert B. BurkheadThomas E. CappellinDouglas D. FickMichael W. GallagherWalter T. GrondzikSusanna S. HansonRick M. HeidenJonathan HumbleSrinivas KatipamulaEssam E. KhalilKwang Woo KimLarry KoumaCesar L. LimKarl L. PetermanErick A. PhelpsLawrence J. SchoenSteven C. SillRichard T. SwierczynaChristian R. TaberRussell C. TharpAdrienne G. ThomleMichael W. WoodfordCraig P. WrayJaap Hogeling, BOD ExOMalcolm D. Knight, COSteven C. Ferguson, Senior Manager of StandardsSPECIAL NOTEThis American National Standard (ANS) is a national voluntary consensus Standard developed under the auspices of ASHRAE. 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,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 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 purpose 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 Committees.The Senior Manager of Standards of ASHRAE should be contacted fora. 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.DISCLAIMERASHRAE uses its best efforts to promulgate Standards and Guidelines for the benefit of the public 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 ASHRAE’s Standards or Guidelines or that any tests conducted under 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 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 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 is a registered trademark of the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.ANSI is a registered trademark of the American National Standards Institute.
ASHRAE. Per international copyright law, additional reproduction, distribution, or transmission in eitherprint or digital form is not permitted without ASHRAE's prior written permission.(This foreword is not part of this standard. It is merely informative and does not containrequirements necessary for conformance to the standard. It has not been processedaccording to the ANSI requirements for a standard and may contain material that hasnot been subject to public review or a consensus process. Unresolved objectors on informative material are not offered the right to appeal at ASHRAE or ANSI.)FOREWORDAddendum c corrects errors in several RCL values found in Tables 4-1 and 4-2.Note: In this addendum, changes to the current standard are indicated in the text by underlining (for additions) and strikethrough (for deletions) unless the instructions specifically mention some other means of indicating the changes.Addendum c to Standard 34-2019Modify Table 4-1 as shown.Table 4-1 Refrigerant Data and Safety ClassificationsRCLcRefrigerantNumberChemical Namea,bChemicalFormulaaOELf,Safetyppm v/v Group (ppm v/v) (lb/Mcf) (g/m3)Highly Toxicor ToxicdUnder Methane Series11trichlorofluoromethane[.]Ethane 560.59 oetheneCHCl tetrafluoropropeneCF3CF fluoro-1-propeneCF3CF ,3-tetrafluoro-1-propeneCF3CH 5.45.28784Neither[.]170[.]Propane[.]290Cyclic Organic CompoundsC318octafluorocyclobutaneMiscellaneous Organic Compoundshydrocarbons[.]600a2-methylpropane (isobutane)Unsaturated Organic Compounds1130(E)[.]1224yd(Z)[.][.]1336mzz(Z) cis-1,1,1,4,4,4-hexaflouro-2-buteneANSI/ASHRAE Addendum c to ANSI/ASHRAE Standard 34-20191
ASHRAE. Per international copyright law, additional reproduction, distribution, or transmission in eitherprint or digital form is not permitted without ASHRAE's prior written permission.Modify Table 4-2 as shown.Table 4-2 Data and Safety Classifications for Refrigerant BlendsRCLaOELh,Composition Tolerances ppm v/vSafetyGroupHighly Toxicor ToxicfUnder Code(ppm v/v) (lb/Mcf) (g/m3) ClassificationR-22/152a/124 (61.0/11.0/28.0)( 2.0/ 0.5, –1.5/ 1.0)1000A130,0007.2120110 NeitherR-290/22/218 (5.0/56.0/39.0)( 0.2, –2.0/ 2.0/ 2.0)1000A170,00068,00018290NeitherR-22/600a/142b (55.0/4.0/41.0)( 2.0/ 1.0/ 1.0)1000A221,0004.72575NeitherR-125/143a/22 (7.0/46.0/47.0)( 2.0/ 1.0/ 2.0)1000A195,00094,00021340330 NeitherR-32/125 (45.0/55.0)( 1.0/ 1.0)1000A1140,00027430NeitherR-1270/22/152a (1.5/87.5/11.0)( 0.0, –1.0/ 2.0, –0.0/ 0.0, –1.0)990970A214,0002.946NeitherR-1270/22/152a (3.0/94.0/3.0)( 0.0, –1.0/ 2.0, –0.0/ 0.0, –1.0)980940A213,0002.845NeitherR-218/134a/600a (9.0/88.0/3.0)( 1.0/ 2.0/ 0.0, b(50.0/39.0/1.5/9.5)( 2.0/ 2.0/ 0.5/ 4a/600 (46.6/50.0/3.4)( 1.1/ 1.0/ 0.1, 0 (79.0/18.3/2.7)( 1.0/ 1.0/ 0.1, –0.5)1000A115,0004.37069NeitherR-134a/142b (88.0/12.0)( 1.0, –0.0/ 0.0, –1.0)1000A145,00044,00012190180 NeitherR-134a/227ea (52.5/47.5)( 1.0/ 1.0)1000A159,00019310300 0.6)( 1.0/ 1.0/ 0.1, –0.2/ 0.1, 0.2/ 0.1, 00a(77.5/20.0/0.6/1.9)( 1.0/ 1.0/ 0.1, –0.2/ 0.1, a (71.0/29.0)( 1.0/ 1.0)1000A355000.690.68 11Neither432AR-1270/E170 (80.0/20.0)( 1.0/ 1.0)700550A312000.132.12.2Neither433AR-1270/290 (30.0/70.0)( 1.0/ 1.0)880760A331000.345.5Neither433BR-1270/290 (5.0/95.0)( 1.0/ 1.0)950A3450035000.510.39 8.16.3Neither433CR-1270/290 (25.0/75.0)( 1.0/ sition [.]428A[.]26.66.5ANSI/ASHRAE Addendum c to ANSI/ASHRAE Standard 34-2019
ASHRAE. Per international copyright law, additional reproduction, distribution, or transmission in eitherprint or digital form is not permitted without ASHRAE's prior written permission.Table 4-2 Data and Safety Classifications for Refrigerant Blends (Continued)RCLaRefrigerantNumberComposition (Mass%)OELh,Composition Tolerances ppm v/vSafetyGroupHighly Toxicor ToxicfUnder Code(ppm v/v) (lb/Mcf) (g/m3) Classification[.]436CR-290/600a (95.0/5.0)( 1.2/ 601(19.5/78.5/1.4/0.6)( 0.5, –1.8/ 1.5, –0.7/ 0.1, –0.2/ 0.1, –0.2)990A119,0005.05.182NeitherR-32/125/600a (50.0/47.0/3.0)( 1.0/ 1.0/ 0.5)9901000A226,0004.776NeitherR-1270/290/600a (55.0/40.0/5.0) ( 2.0/ 2.0/ 41.5/10.0/48.5)( 1.0/ 1.0/ (E)(68.0/3.5/28.5)( 1.5, –0.5/ 1.5, –0.5/ 1.0, 4ze(E)(68.0/8.0/24.0)( 1.0, –2.0/ 2.0, –1.0/ 1.0, )( 0.5, –2.0/ 2.0, –0.5/ 0.5, –2.0/ 2.0, –1.0/ 0.5, –2.0)890860A1110,00024390Neither449AR-32 /125 /1234yf /134a(24.3/24.7/25.3/25.7)( 0.2, –1.0/ 1.0, –0.2/ 0.2, –1.0/ 1.0, a (89.8/10.2)( 0.2/ a (88.8/11.2)( 0.2/ 0.2)530A2L18,0005.35.081Neither452AR-32/125/1234yf (11.0/59.0/30.0)( 1.7/ 1.8/ 0.1, 25/1234yf (67.0/7.0/26.0) ( 2.0/ 1.5/ yf (12.5/61.0/26.5)( 0.5, –1.5/ 1.0/ 4yf (35.0/65.0)( 2.0/–2.0, 234yf (68.9/31.1)( 1.0/–1.0, 234yf (21.5/78.5)( 2.0/ yf (3.0/21.5/75.5) ( 2.0, –1.0/ 1.0, –2.0/ /152a (18.0/70.0/12.0)( 0.5, –1.5/ 0.5, –1.5/ 0.1, f/1234ze(E)(68.0/26.0/6.0)( 0.5, –1.5/ 2.0/ 234yf/1234ze(E)(21.0/69.0/10.0)( 0.5, –1.0/ 2.0/ 5/134a/1234ze(E)(12.0/52.0/14.0/22.0)( 1.0/ 1.0/ 1.0/ A[.]Azeotropesb500R-12/152a (73.8/26.2)ANSI/ASHRAE Addendum c to ANSI/ASHRAE Standard 34-20193
ASHRAE. Per international copyright law, additional reproduction, distribution, or transmission in eitherprint or digital form is not permitted without ASHRAE's prior written permission.Table 4-2 Data and Safety Classifications for Refrigerant Blends (Continued)RCLaRefrigerantNumberComposition (Mass%)OELh,Composition Tolerances ppm v/vSafetyGroupHighly Toxicor ToxicfUnder Code(ppm v/v) (lb/Mcf) (g/m3) Classification[.]507Ad,iR-125/143a (50.0/50.0)1000A1130,00032520510 NeitherR-22/218 (44.0/56.0)1000A175,00024390380 Neither[.]509Ad,g[.]515AR-1234ze(E)/227ea (88.0/12.0)( 1.0, –2.0/ 2.0, 34a/152a(77.5/8.5/14.0)( 1.4/ 0.5, –1.5/ SI/ASHRAE Addendum c to ANSI/ASHRAE Standard 34-2019
ASHRAE. Per international copyright law, additional reproduction, distribution, or transmission in eitherprint or digital form is not permitted without ASHRAE's prior written permission.POLICY STATEMENT DEFINING ASHRAE’S CONCERNFOR THE ENVIRONMENTAL IMPACT OF ITS ACTIVITIESASHRAE is concerned with the impact of its members’ activities on both the indoor and outdoor environment.ASHRAE’s 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.ASHRAE’s short-range goal is to ensure that the systems and components within its scope do not impact theindoor and outdoor environment to a greater extent than specified by the Standards and Guidelines as established byitself and other responsible bodies.As an ongoing goal, ASHRAE will, through its Standards Committee and extensive Technical Committee structure,continue to generate up-to-date Standards and Guidelines where appropriate and adopt, recommend, and promotethose new and revised Standards developed by other responsible organizations.Through its Handbook, appropriate chapters will contain up-to-date Standards and design considerations as thematerial is systematically revised.ASHRAE will take the lead with respect to dissemination of environmental information of its primary interest andwill seek out and disseminate information from other responsible organizations that is pertinent, as guides to updatingStandards and Guidelines.The effects of the design and selection of equipment and systems will be considered within the scope of thesystem’s intended use and expected misuse. The disposal of hazardous materials, if any, will also be considered.ASHRAE’s primary concern for environmental impact will be at the site where equipment within ASHRAE’s scopeoperates. However, energy source selection and the possible environmental impact due to the energy source andenergy transportation will be considered where possible. Recommendations concerning energy source selectionshould be made by its members.
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Nov 18, 2019 · ANSI/ASHRAE Addendum c to ANSI/ASHRAE Standard 34-2019 1 (This foreword is not part of this standard. It is merely informative and does not contain requirements necessary for conformance to the standard. It has not been processed according to the ANSI requ
ANSI/ASHRAE Addendum d to ANSI/ASHRAE Standard 62.1-2016 Ventilation for Acceptable Indoor Air Quality Approved by the ASHRAE Standards Committee on January 20, 2018; by the ASHRAE Board of Directors on January 24, 2018; and by the American National Standards Institute on February 21, 2018. This addendum was approved by a Standing Standard Project Committee (SSPC) for which the Standards .
ANSI/ASHRAE Addendum l to ANSI/ASHRAE Standard 62.1-2016 Ventilation for Acceptable Indoor Air Quality Approved by the ASHRAE Standards Committee on June 26, 2019; by the ASHRAE Board of Directors on August 1, 2019; and by the American National Standards Institute on August 26, 2019. This addendum was approved by a Standing Standard Project Committee (SSPC) for which the Standards Committee .
ANSI/ASHRAE Addendum af to ANSI/ASHRAE Standard 62.1-2016 Ventilation for Acceptable Indoor Air Quality Approved by the ASHRAE Standards Committee on June 26, 2019; by the ASHRAE Board of Directors on August 1, 2019; and by the American National Standards Institute on August 26, 2019.
ANSI/ASHRAE Addendum al to ANSI/ASHRAE Standard 62.1-2016 Ventilation for Acceptable Indoor Air Quality Approved by the ASHRAE Standards Committee on June 26, 2019; by the ASHRAE Board of Directors on August 1, 2019; and by the American National Standards Institute on August 26, 2019.
ANSI/ASHRAE Addendum aj to ANSI/ASHRAE Standard 62.1-2016 Ventilation for Acceptable Indoor Air Quality Approved by the ASHRAE Standards Committee on June 22, 2019; by the ASHRAE Board of Directors on June 26, 2019; and by the American National Standards Institute on July 24, 2019.
ANSI/ASHRAE Addendum f to ANSI/ASHRAE Standard 55-2010 Thermal Environmental Conditions for Human Occupancy Approved by the ASHRAE Standards Committee on October 2, 2012; by the ASHRAE Board of Directors on October 26, 2012; and by the American National Standards Institute on November 22, 2012.
ASHRAE ADDENDA ANSI/ASHRAE/IES Addenda bi and bt to ANSI/ASHRAE/IESNA Standard 90.1-2007 Energy Standard for Buildings Except Low-Rise Residential Buildings Approved by the ASHRAE Standards Committee on June 26, 2010; by the ASHRAE Board of Directors on June 30, 2010; by the IES Board of Directors on June 23, 2010; and by the American National Standards Insti-tute on July 1, 2010. These .
ANSI/ASHRAE Addendum d to ANSI/ASHRAE Standard 55-2017 3 the method used yields the same results. The ASHRAE Thermal Comfort Tool3 is permitted to be used to comply with this section. Figure 5.3.1.1 provides graphical examples of comfort zones using the Analytical Comfort
