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AHRI 1330-2015 Performance Rating for Radiant Output of Gas Fired Infrared Heaters.pdf

1、JOINT CANADA - UNITED STATES NATIONAL STANDARD CAN/ANSI/AHRI 1330-2015, Performance Rating for Radiant Output of Gas Fired Infrared Heaters JOINT CANADA - UNITED STATES NATIONAL STANDARD CAN/ANSI/AHRI 1330-2015, Performance Rating for Radiant Output of Gas Fired Infrared Heaters Prepared by: Approve

2、d by: Established timeline for review: A revision is scheduled to be released within five years of the publication date. SCC Forward The Standards Council of Canada (SCC) is the coordinating body of the Canadian standardization network, which is composed of people and organizations involved in the d

3、evelopment, promotion and implementation of standards. Through the collaborative efforts of Canadian standardization network members, standardization is helping to advance the social and economic well-being of Canada and to safeguard the health and safety of Canadians. The networks efforts are overs

4、een by SCC. The principal objectives of SCC are to foster and promote voluntary standardization as a means of advancing the national economy, supporting sustainable development, benefiting the health, safety and welfare of workers and the public, assisting and protecting the consumer, facilitating d

5、omestic and international trade, and furthering international cooperation in relation to standardization. An important facet of the Canadian standards development system is the use of the following principles: consensus; equal access and effective participation by concerned interests; respect for di

6、verse interests and identification of those who should be afforded access to provide the needed balance of interests; mechanism for dispute resolution; openness and transparency; open access by interested parties to the procedures guiding the standards development process; clarity with respect to th

7、e processes; and Canadian interest consideration as the initial basis for the development of standards. A National Standard of Canada (NSC) is a standard prepared or reviewed by an SCC-accredited SDO and approved by the SCC according to NSC approval requirements. Approval does not refer to the techn

8、ical content of the standard, as this remains the responsibility of the SDO. An NSC reflects a consensus of a number of capable individuals whose collective interests provide, to the greatest practicable extent, a balance of representation of general interests, producers, regulators, users (includin

9、g consumers) and others with relevant interests, as may be appropriate to the subject at hand. NSCs are intended to make a significant and timely contribution to the Canadian interest. Those who have a need to apply standards are encouraged to use NSCs. These standards are subject to periodic review

10、. Users of NSCs are cautioned to obtain the latest edition from the SDO that publishes the standard. The responsibility for approving standards as NSCs rests with: Standards Council of Canada 600-55 Metcalfe Street Ottawa, ON K1P 6L5, Canada CETTE NORME NATIONALE DU CANADA EST DISPONIBLE EN VERSIONS

11、 FRANAISE ET ANGLAISE. It is the responsibility of the user to judge the suitability of this National Standard of Canada for his/her purpose. International Classification for Standards (ICS) number: 97.100 AHRI Contact Information: 2111 Wilson Blvd. Suite 500 Arlington, Virginia 22201 Phone: 703-524

12、-8800 Fax: 703-562-1942 Email: dabbateahrinet.org This standard was approved as a Joint Canada - United States National Standard by the Standards Council of Canada. To purchase the standard please contact Daniel Abbate at dabbateahrinet.org. Technical Committee for AHRI Standard 1330 Participant Int

13、erest Category Classification Kevin Merritt SRP Producer Bob Alcott Schwank North America Producer Mr. Richard J. Peppin Engineers for Change, Inc. General Interest Mr. Stephan Richter Roberts Gordon LLC Producer Mr. Adam Muliawan International Association of Plumbing and Mechanical Officials Genera

14、l Interest Judd Smith CSA Group Technical Advisor, Energy Efficiency-Fuel Burning Appliances General Interest Price $10.00 (M) $20.00 (NM) Copyright 2015, by Air-Conditioning, Heating, and Refrigeration Institute Printed in U.S.A. Registered United States Patent and Trademark Office IMPORTANT SAFETY

15、 DISCLAIMER AHRI does not set safety standards and does not certify or guarantee the safety of any products, components or systems designed, tested, rated, installed or operated in accordance with this standard/guideline. It is strongly recommended that products be designed, constructed, assembled,

16、installed and operated in accordance with nationally recognized safety standards and code requirements appropriate for products covered by this standard/guideline. AHRI uses its best efforts to develop standards/guidelines employing state-of-the-art and accepted industry practices. AHRI does not cer

17、tify or guarantee that any tests conducted under its standards/guidelines will be non-hazardous or free from risk. Note: This is a new standard. This standard was approved by ANSI on: 4/20/2015. This standard is suitable for third party certification. TABLE OF CONTENTS SECTION PAGE Section 1. Purpos

18、e 1 Section 2. Scope . 1 Section 3. Definitions . 1 Section 4. Test Requirements . 3 Section 5. Rating Requirements 3 Section 6. Nomenclature . 4 Section 7. Minimum Data Requirements for Published Ratings 5 Section 8. Marking and Nameplate Data 5 Section 9. Conformance Conditions . 5 TABLES Table 1.

19、 Rating Requirements 4 Table 2. Nomenclature . 4 FIGURES Figure 1. Measuring Grid . 2 Figure 2. Radiation Reference Plane 3 APPENDICES Appendix A. References Normative . 6 Appendix B. References Informative . 6 Appendix C. Method of Testing for Rating Infrared Heaters Normative . 7 Appendix D. Radio

20、meter Source Normative 14 Appendix E. Radiometer Design Features Informative . 15 Appendix F. Radiant Heat Output Data - Informative 18 TABLES Table C1. Equipment Precision and Accuracy Requirements . 9 Table C2. Fuel Values. . 10 Table E1. Example of Measured Output During Calibration 17 FIGURES Fi

21、gure C1. Radiation Reference Plane and Measuring Plane of a Horizontally Mounted High Intensity Infrared Heater . 8 Figure C2. Radiation Reference Plane and Measuring Plane of an Angle Mounted High Intensity Infrared Heater. 8 Figure C3. Measuring Plane of a Horizontally Mounted Low Intensity Infrar

22、ed Heater 8 Figure C4. Measuring Plane of an Angle Mounted Low Intensity Infrared Heater . 8 Figure E1. Radiometer Design . 15 Figure E2. Determination of the Calibration Factor . 17 _ CAN/ANSI/AHRI STANDARD 1330-2015 1 PERFORMANCE RATING STANDARD FOR RADIANT OUTPUT OF GAS FIRED INFRARED HEATERS Sec

23、tion 1. Purpose 1.1 Purpose. The purpose of this standard is to establish for infrared heaters: definitions; test requirements; rating requirements; nomenclature; minimum data requirements for Published Ratings; marking and nameplate data; and conformance conditions. 1.1.1 Intent. This standard is i

24、ntended for the guidance of the industry, including manufacturers, engineers, installers, contractors and users. 1.1.2 Review and Amendment. This standard is subject to review and amendment as technology advances. Section 2. Scope 2.1 Scope. This standard applies to Infrared Heaters that are Gas-Fir

25、ed High-intensity Infrared Heaters and Gas-Fired Low-intensity Infrared Heaters with inputs up to and including 117.5 kW per burner intended for installation in and heating of outdoor or indoor spaces. 2.1.1 Exclusions. This standard does not apply to heaters that do not radiate their energy into a

26、single measuring plane. Section 3. Definitions All terms in this document will follow the standard industry definitions in the ASHRAE Terminology website (https:/www.ashrae.org/resources-publications/free-resources/ashrae-terminology) unless otherwise defined in this section. 3.1 Calibration Factor.

27、 The results of the calibration provided by an ISO 17025 accredited testing/calibration laboratory in the form of a calibration factor consisting of a constant (a) and offset (b). 3.2 Gross Radiant Coefficient. Heat emitted by the appliance through the radiation reference plane divided by the gross

28、heat input of the test gas. 3.3 Infrared Factor. A performance rating factor based on the gross radiant coefficient. Refer to Table 1. 3.4 Infrared Heater. A heater which directs a substantial amount of its energy output in the form of infrared energy into the area to be heated. Such heaters may be

29、of either the vented or unvented type. The following are types of infrared heaters. 3.4.1 High-intensity Infrared Heater. An infrared heater which has a radiating surface that typically operates at or above 732.0oC. 3.4.2 Low-intensity Infrared Heater. An infrared heater which has a radiating surfac

30、e that typically operates at temperature less than 732.0oC. 3.4.2.1 Radiant Tube Infrared Heater. Typically, a low intensity infrared heater in which combustion takes place within a tube or conduit. CAN/ANSI/AHRI STANDARD 1330-2015_ 2 3.5 Measuring Cell. A measuring cell is defined as the area conta

31、ined by four (4) adjacent nodal points of a measuring grid. 3.6 Measuring Plane. A plane parallel and below the radiation reference plane. 3.7 Measuring Grid. Regular arrangement in the measuring plane of straight lines running parallel and perpendicular to the longitudinal axis of the appliance. Fi

32、gure 1. Measuring Grid 3.8 Minimum Angle. The minimum installation angle specified by the manufacturer. The minimum angle is measured from the horizontal plane. 3.9 Nodal Point/Node. A nodal point or node is the intersection of the perpendicular and parallel grid lines on the measuring plane, where

33、an individual measurement is recorded. Four (4) adjacent nodal points confine a measuring cell. 3.10 Published Rating. A statement of the assigned values of those performance characteristics, under stated Rating Conditions, by which a unit may be chosen to fit its application. These values apply to

34、the model tested and identical models produced by the same manufacturer under different model numbers. The term Published Rating includes the rating of all performance characteristics shown on the unit or published in specifications, advertising or other literature controlled by the manufacturer, at

35、 stated Rating Conditions. 3.10.1 Standard Rating. A rating based on tests performed at Standard Rating Conditions. 3.11 Radiation Reference Plane. Flat surface bounded by the lower edge of the reflector or, in the case where radiant parts project below this lower edge of the reflector, the flat sur

36、face touching the lowest radiant part (refer to Figure 2). 3.12 Rating Conditions. Any set of operating conditions under which a single level of performance results. (m,k) _ CAN/ANSI/AHRI STANDARD 1330-2015 3 Figure 2. Radiation Reference Plane 3.12.1 Standard Rating Conditions. Rating Conditions us

37、ed as the basis of comparison for performance characteristics. 3.13 “Shall“ or “Should“. “Shall“ or “should“ shall be interpreted as follows: 3.13.1 Shall. Where “shall“ or “shall not“ is used for a provision specified, that provision is mandatory if compliance with the standard is claimed. 3.13.2 S

38、hould. “Should” is used to indicate provisions which are not mandatory but which are desirable as good practice. Section 4. Test Requirements 4.1 Test Requirements. Published Ratings shall be verified by tests conducted in accordance with the test method described in Appendix C and in accordance wit

39、h the rating requirements of Section 5. Section 5. Rating Requirements 5.1 Rating Requirements. The Infrared Factor shall be established by using Table 1. 5.2 Standard Ratings. Standard Ratings shall be established at the operating conditions specified in Section C4. All Standard Ratings shall be ve

40、rified by tests in accordance with Appendix C. Reference Plane Reference Plane CAN/ANSI/AHRI STANDARD 1330-2015_ 4 5.3 Tolerances. If the Gross Radiant Coefficient falls within 0.005 of the ranges shown in Table 1, the rating shall be determined by the average of 3 sequential tests or by selecting t

41、he next lower Infrared Factor. The published rating shall not exceed the Infrared Factor calculated in accordance with Appendix C. Table 1. Rating Requirements Gross Radiant Coefficient Infrared Factor (IF) .35 7 .35 .40 8 .40 .45 9 .45 .50 10 .50 .55 11 .55 .60 12 .60 .65 13 .65 .7 14 0.7 15 Sectio

42、n 6. Nomenclature Table 2. Nomenclature Symbol Title Unit a Constant 2Coefficient in equation for 2() kPa-1m -12Coefficient in equation for 2()kPa-1m -12Absorption factor of carbon dioxide 2Absorption factor of water vapor ATOT Total Radiant correction factor for water vapor and CO2in air Partial pr

43、essure factor b Signal offset 2Coefficient in equation for 2() kPa-1m-1C -12Coefficient in equation for 2()kPa-1m-1C -1D Thickness of Radiation Gas Layer. m Eif Average irradiance over the measuring cell kW/m2FifArea of measuring cell m2HsGross calorific value of the test gas (at 15 C, 1013.25 mbar,

44、 dry gas) kWh/m32Coefficient in equation for emission factor of carbon dioxide kPa-1m -12Coefficient in equation for emission factor of water vapor kPa-1m -1L Length of the radiating surface of the heater m n Coefficient in equations for 2and 2 2Partial pressure of carbon dioxide in ambient air kPa

45、2Partial pressure of water vapor in ambient air kPa p Gas supply pressure mbar paAtmospheric pressure mbar _ CAN/ANSI/AHRI STANDARD 1330-2015 5 QmMeasured heat input based on the net calorific value of the test gas W Q(R)CRadiant output after correction for absorption of radiation in air W Q(R)MRadi

46、ant output W R Minimum distance between the radiometer and the radiation reference plane m RfRadiant factor Relative humidity % taAverage ambient air temperature C tgGas temperature at measuring point C U Sensor voltage V UifAverage sensor voltage V UijAverage sensor voltage V V Gas volume input at

47、test conditions m3/h VoGas volume rate under reference conditions (at 15 C, 1013.25 mbar, dry gas) m3/h y Radiant intensity /2Section 7. Minimum Data Requirements for Published Ratings 7.1 Minimum Data Requirements for Published Ratings. As a minimum, Published Ratings shall include all Standard Rat

48、ings. All claims to ratings within the scope of this standard shall include the statement “Rated in accordance with AHRI Standard 1330”. All claims to ratings outside the scope of this standard shall include the statement “Outside the scope of AHRI Standard 1330”. Wherever Application Ratings are published or printed, they shall include a statement of the conditions at which the ratings apply. The following shall be reported for each appropriate model(s): - M

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