ANSI ASHRAE 198-2013 Method of Test for Rating DX-Dedicated Outdoor Air Systems for Moisture Removal Capacity and Moisture Removal Efficiency.pdf

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1、ANSI/ASHRAE Standard 198-2013Method of Test for RatingDX-Dedicated Outdoor AirSystems for MoistureRemoval Capacity andMoisture Removal EfficiencyApproved by the ASHRAE Standards Committee on January 26, 2013; by the ASHRAE Board of Directors on January 29, 2013;and by the American National Standards

2、 Institute on January 30, 2013.ASHRAE Standards are scheduled to be updated on a five-year cycle; the date following the standard number is the year ofASHRAE Board of Directors approval. The latest edition of an ASHRAE Standard may be purchased on the ASHRAE Web site(www.ashrae.org) or from ASHRAE C

3、ustomer Service, 1791 Tullie Circle, NE, Atlanta, GA 30329-2305. E-mail:ordersashrae.org. Fax: 404-321-5478. Telephone: 404-636-8400 (worldwide) or toll free 1-800-527-4723 (for orders in US andCanada). For reprint permission, go to www.ashrae.org/permissions. 2013 ASHRAE ISSN 1041-2336SPECIAL NOTET

4、his American National 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 reache

5、d by directly and 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

6、 voluntary until 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

7、 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

8、 on all ProjectCommittees.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 Standa

9、rd.DISCLAIMERASHRAE 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 tes

10、ted, installed, 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 t

11、he public by offering a uniform method of testing for ratingpurposes,bysuggestingsafepracticesindesigningandinstallingequipment,byprovidingproperdefinitionsofthisequipment,andbyprovidingother information that may serve to guide the industry.The creation of ASHRAE Standards and Guidelines is determin

12、ed 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 Standard Project Committee 198Cogniz

13、antTC:TC 8.10, Mechanical Dehumidification Equipment and Heat PipesSPLS Liaison: Steven F. Bruning*Denotes members of voting status when the document was approved for publicationCraig M. Burg, Chair* Alois Malik Stanley A. Mumma*Stephen L. Brown, Vice-Chair Harry M. Milliken Randy C. Schrecengost*Ti

14、tu R. Doctor* Walter Stark*Florin Gavrilut Richard W. Trent*ASHRAE STANDARDS COMMITTEE 20122013Kenneth W. Cooper, Chair Julie M. Ferguson Janice C. PetersonWilliam F. Walter, Vice-Chair Krishnan Gowri Heather L. PlattDouglass S. Abramson Cecily M. Grzywacz Ira G. PostonKarim Amrane Richard L. Hall D

15、ouglas T. ReindlCharles S. Barnaby Rita M. Harrold James R. TaubyHoy R. Bohanon, Jr. Adam W. Hinge James K. VallortSteven F. Bruning Debra H. Kennoy Craig P. WrayDavid R. Conover Jay A. Kohler Charles H. Culp, III, BOD ExOSteven J. Emmerich Rick A. Larson Constantinos A. Balaras, COMark P. ModeraSte

16、phanie C. Reiniche, Manager of Standards 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.CONTENTSANSI/ASHRAE Standard 198-2013,Method ofTest for Rating DX-

17、Dedicated Outdoor Air Systemsfor Moisture Removal Capacity and Removal EfficiencySECTION PAGEForeword. 21 Purpose 22 Scope . 23 Definitions. 24 Instrumentation. 35 Recommended Practices . 46 Apparatus and Setup 47 Testing 68 Operating Procedures 79 Reported Values. 710 Calculations of Results . 811

18、Nomenclature . 1012 Reference Properties and Data 1013 References . 11Informative Appendix A: Typical Rating Conditions for Air-Cooled and Water-Cooled DX-DOAS Units12Informative Appendix B: Typical Rating Conditions for Water Source Heat Pump DX-DOAS Units13NOTEApproved addenda, errata, or interpre

19、tations for this standard can be downloaded free of charge from the ASHRAEWeb site at www.ashrae.org/technology. 2013 ASHRAE1791 Tullie Circle NE Atlanta, GA 30329 www.ashrae.org All rights reserved.ASHRAE is a registered trademark of the American Society of Heating, Refrigerating and Air-Conditioni

20、ng 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 permitted without ASHRAEs prior written permission.2 ANSI/ASHRA

21、E Standard 198-2013(This foreword is not part of this standard. It is merelyinformative and does not contain requirements necessaryfor conformance to the standard. It has not beenprocessed according to the ANSI requirements for astandard and may contain material that has not beensubject to public re

22、view or a consensus process.Unresolved objectors on informative material are notoffered the right to appeal at ASHRAE or ANSI.)FOREWORDASHRAE Standard 198 is a Method of Test (MOT) stan-dard for use in factory performance testing of dedicated out-door system units that contain a vapor compression cy

23、clerefrigeration system. It was developed primarily as a methodof test to be used in conjunction with rating procedures suchas the Air Conditioning, Heating and Refrigeration Insti-tutes proposed AHRI 920. Rated airflow rates, air tempera-ture and humidity, and other conditions to be tested areindic

24、ated in such rating standards.Dedicated outdoor air system (DOAS) units are used forconditioning 100% outdoor air for space ventilation. A widevariety of designs are possible. In addition to the vapor com-pression cycle refrigeration system, the units that this stan-dard applies to may include other

25、 types of technology thatincrease the moisture removal, cooling, and heating capacityof the device through heat exchange in the primary air orthrough recovery of exhaust air energy. The method of testintends to allow for measurement of the critical inputs andoutputs of the machine without regard for

26、 the configurationor components included.There are a variety of modes that the targeted systemsmay be operated in. Additionally, control algorithmsemployed to determine these modes vary greatly as well.This MOT can be applied to any of these modes, althougheach should be considered as a separate and

27、 distinct test. Itis the intention that system be set for fully automatic opera-tion at each test condition with adjustments only where thestandard controls allow for user adjustment of parameters,such as supply air or zone temperature control. These adjust-ments are expected to be made before the s

28、tart of each dis-tinct test based on the parameters to be tested. Minimalintervention is expected during the testing as to best simulatethe typical operating conditions in the field during year-round operation of the equipment.1. PURPOSEThis standard prescribes test methods for rating direct-exchang

29、e dedicated outdoor air systems (DX-DOAS) units.2. SCOPEThismethodoftestappliestoair-cooled,water-cooled,orwater-source factory-assembled DX-DOAS products thatcondition 100% outdoor air and may include factory assem-bled preconditioning device(s). Units containing water coilsrequiring a supply of wa

30、ter supplied by a liquid chiller locatedoutside of the unit are not covered by this standard. This stan-dard is not to be used to rate stand-alone preconditioning orenergy-recovery devices.These test methods do not specify methods of establish-ing ratings that involve factors such as manufacturing t

31、oler-ances and quality control procedures.3. DEFINITIONSAll terms in this document follow the standard industrydefinitions in the current edition of ASHRAE Terminology ofHeating, Ventilation, Air Conditioning, otherwise, not rated “NR” must be indicated at this point.3. Conditions surrounding the un

32、it are the same as the outdoor air entering conditions.4. All rating conditions shall include performance with a supply air temperature of 24.0C.5. Air-cooled and water-condenser type units do not require supplemental heat testing. Supplemental heat is tested under another standard. ASHRAE (www.ashr

33、ae.org). For personal use only. Additional reproduction, distribution, or transmission in either print or digital form is not permitted without ASHRAEs prior written permission.ANSI/ASHRAE Standard 198-2013 13(This appendix is not part of this standard. It is merelyinformative and does not contain r

34、equirements necessaryfor conformance to the standard. It has not beenprocessed according to the ANSI requirements for astandard and may contain material that has not beensubject to public review or a consensus process.Unresolved objectors on informative material are notoffered the right to appeal at

35、 ASHRAE or ANSI.)INFORMATIVE APPENDIX BTYPICAL RATINGCONDITIONS FOR WATER SOURCE HEAT PUMPDX-DOAS UNITSThis appendix contains the standard rating conditions forwater source heat pump DX-DOAS units. The values here arereflective of typical rating conditions to be used with themethod of test. This met

36、hod of test is not limited to the stan-dard rating conditions, and other application conditions areapplicable to testing.TABLE B-1 Rating Conditions forWater Source Heat Pump DX-DOAS UnitsWater Source Heat Pumps DX-DOAS Units (If Applicable)6Rating ConditionOutdoorAir Entering TemperaturesExhaust Ai

37、rTemperatures1Inlet Fluid TemperaturesDry-Bulb,CWet-Bulb,CDry-Bulb,CWet-Bulb,CGround SourceClosed-Loop HeatPumps,CGroundwaterSource HeatPumps,CWater-SourceHeat Pumps,CDehumidificationStandardRating AConditions435 26 24 17 25 21 29StandardRating BConditions427 23 24 17 25 21 29StandardRating CConditi

38、ons420 19 24 17 21 10 24StandardRating DConditions2,413 12 24 15 21 10 24ManufacturerApplicationCondition35 26Min 16.0Max 24.0Min 10.0Max 17.029 7 35InsulationEfficiency3,427 24 24 17 25 21 29MaximumOperatingConditions446 24 24 17 38 24 35HeatingPart LoadStandardRating EConditions52 2 21 15 5 21 24S

39、tandardRating FConditions59 11 21 15 0 10 21MaximumOperatingConditions521 21 15 24 24 32Notes:1. Applies to units with energy recovery.2. This rating point shall be used if a manufacturer claims system is capable of performing at this entering air temperature; otherwise, not rated “NR” must be indic

40、ated at this point.3. Conditions surrounding the unit are the same as the outdoor air entering conditions.4. All rating conditions shall include performance with a supply air temperature of 24.0C.5. All rating conditions shall include performance with a supply air temperature of 21.0C.6. Air-cooled

41、and water-condenser-type units do not require supplemental heat testing. Supplemental heat is tested under another standard. 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 w

42、ritten permission. 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.POLICY STATEMENT DEFINING ASHRAES CONCERNFORTHE ENVIRONMENTAL IMPACT OF ITS ACTIVITIESAS

43、HRAE is concerned with the impact of its members activities on both the indoor and outdoor environment. ASHRAEsmembers will strive to minimize any possible deleterious effect on the indoor and outdoor environment of the systems andcomponents in their responsibility while maximizing the beneficial ef

44、fects these systems provide, consistent with acceptedstandards and the practical state of the art.ASHRAEs short-range goal is to ensure that the systems and components within its scope do not impact the indoor andoutdoor environment to a greater extent than specified by the standards and guidelines

45、as established by itself and otherresponsible 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 promote those newand revised standard

46、s developed by other responsible organizations.Through its Handbook, appropriate chapters will contain up-to-date standards and design considerations as the material issystematically revised.ASHRAE will take the lead with respect to dissemination of environmental information of its primary interest

47、and will seekout and disseminate information from other responsible organizations that is pertinent, as guides to updating standards andguidelines.The effects of the design and selection of equipment and systems will be considered within the scope of the systemsintended use and expected misuse. The

48、disposal of hazardous materials, if any, will also be considered.ASHRAEs primary concern for environmental impact will be at the site where equipment within ASHRAEs scopeoperates. However, energy source selection and the possible environmental impact due to the energy source and energytransportation

49、 will be considered where possible. Recommendations concerning energy source selection should be made byits members. 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.About ASHRAEASHRAE, founded in 1894, is an international organization of some 50,000 members. ASHRAE fulfills its mission ofadvancing heating, ventilation, air conditioning, and refrigeration to serve humanity and promote a sustainable

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