AHRI 811 SI-2012 Performance Rating of Automatic Commercial Ice-Makers.pdf

1、 2012 Standard for Performance Rating of Automatic Commercial Ice-Makers Approved by ANSI on June 12, 2013 ANSI/AHRI Standard 811 (SI) Price $15.00 (M) $30.00 (NM) Copyright 2012, by Air-Conditioning, Heating and Refrigeration Institute Printed in U.S.A. Registered United States Patent and Trademark

2、 Office IMPORTANT SAFETY 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,

3、constructed, assembled, 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 prac

4、tices. AHRI does not certify or guarantee that any tests conducted under its standards/guidelines will be non-hazardous or free from risk. Note: This standard supersedes AHRI Standard 810-2007 with Addendum 1. For I-P ratings, see AHRI Standard 810 (I-P)-2012. TABLE OF CONTENTS SECTION PAGE Section

5、1. Purpose 1 Section 2. Scope . 1 Section 3. Definitions. 1 Section 4. Test Requirements 2 Section 5. Rating Requirements . 3 Section 6. Minimum Data Requirements for Published Ratings . 4 Section 7. Marking and Nameplate Data . 4 Section 8. Conformance Conditions 4 APPENDICES Appendix A. References

6、 Normative 5 Appendix B. References Informative 5 ANSI/AHRI STANDARD 811 (SI)-2012 1 PERFORMANCE RATING OF AUTOMATIC COMMERCIAL ICE-MAKERS Section 1. Purpose 1.1 Purpose. The purpose of this standard is to establish for Automatic Commercial Ice-Makers: definitions; test requirements; rating requirem

7、ents; minimum data requirements for Published Ratings; marking and nameplate data; and conformance conditions. 1.1.1 Intent. This standard is intended for the guidance of the industry, including manufacturers, engineers, installers, contractors and users. 1.1.2 Review and Amendment. This standard is

8、 subject to review and amendment as technology advances. Section 2. Scope 2.1 Scope. This standard applies to factory-made Automatic Commercial Ice-Makers as defined in Section 3. Section 3. Definitions All terms in this document will follow the standard industry definitions in the ASHRAE Wikipedia

9、website (http:/wiki.ashrae.org/index.php/ASHRAEwiki) unless otherwise defined in this section. 3.1 Automatic Commercial Ice-Maker (ACIM). A factory-made assembly (not necessarily shipped in one package) including a condensing unit and ice-making section operating as an integrated unit, with means fo

10、r making and harvesting ice. It is an assembly that makes no less than 23 kg. of ice per day and up to 1800 kg. of ice per day at Standard Ratings Conditions and may also include means for storing or dispensing ice, or both. 3.1.1 Combined Ice-Maker and Dispenser. A machine that makes and dispenses

11、ice. 3.1.2 Continuous Type Ice-Maker. An ACIM that continually freezes and harvests ice at the same time. 3.1.3 Batch Type Ice-Maker. An ACIM that has alternate freezing and harvesting periods. 3.1.4 Self-Contained Model Ice-Maker. A model in which the ice-making mechanism and storage compartment ar

12、e in an integral cabinet. 3.1.5 Split System Ice-Maker. A model in which the ice-making mechanism and condenser or condensing unit are in separate sections. 3.1.5.1 Remote Condensing Unit Systems. A type of ACIM that has a condenser and compressor remote from the ice-making mechanism section. 3.1.5.

13、2 Remote Condenser Systems. A type of ACIM in which the ice-making mechanism with compressor and condenser are in separate sections. 3.2 Bin Theoretical Storage Capacity. For Self-Contained Model Ice-Makers only, the theoretical storage capacity and the storage effectiveness of the ice storage bin s

14、hall be determined in accordance with AHRI Standard 821 (SI). For these models, the internal volume is the volume calculated up to the intended shut-off level. The intended shut-off level is defined as the height of the thermostat bulb; the bottom of the curtain or the height of the electric eye, de

15、pending upon the mechanism used to shut off the Ice-Maker. 3.3 Condenser Water Use Rate. The amount of water used by the condensing unit (if water cooled) according to ASHRAE Standard 29, expressed in 1 L/45.0 kg of ice, stated in multiples of 1 L/45.0 kg of ice. ANSI/AHRI STANDARD 811 (SI)-2012_ 2

16、3.4 Dump or Purge Water: The water from the ice making process that was not frozen at the end of the freeze cycle and is discharged from the machine for a Batch Type Ice-Maker. Note: This is a departure from the term as defined by ASHRAE 29 but is more functional for ACIM testing purposes. 3.5 Energ

17、y Consumption Rate. Total energy input rate according to ASHRAE Standard 29, expressed in kWh/45.0 kg of ice stated in multiples of 0.1 kWh/45.0 kg of ice. For Split System Ice-Makers, total power input shall include condenser fan power. 3.6 Harvest Water: The water that has been collected with the

18、ice used to measure the machines capacity. 3.7 Ice Hardness Factor. For Continuous Type Ice-Makers only, the ice hardness is defined in ASHRAE Standard 29 based on Net Cooling Effect, %. = /144 100 3.8 Ice Harvest Rate. The gross weight of ice harvested according to ASHRAE Standard 29, expressed in

19、kg/24 h and in multiples of 1 kg/24 h. 3.9 Net Cooling Effect. Heat transfer per kilogram of ice to change the state of ice from its initial state as produced by the ACIM to a liquid state at 0C, kJ/kg. 3.10 Potable Water Use Rate. The amount of potable water used in making ice according to ASHRAE S

20、tandard 29, which is equal to the sum of the ice harvested, Dump or Purge Water, and the Harvest Water in L/45.0 kg of ice, expressed in multiples of 0.1 L/45.0 kg of ice. Alternatively, the amount of water entering the ACIM per cycle can be measured. 3.11 Published Rating. A statement of the assign

21、ed values of those performance characteristics, under stated rating conditions, by which a unit may be chosen to fit its application. These values apply to all units of like nominal size and type (identification) produced by the same manufacturer. The term Published Rating includes the ratings of al

22、l performance characteristics shown on the unit or published in specifications, advertising or other literature controlled by the manufacturer, at stated Rating Conditions. 3.11.1 Application Rating. A rating based on tests performed at application Rating Conditions (other than Standard Rating Condi

23、tions). 3.11.2 Standard Rating. A rating based on tests performed at Standard Rating Conditions. 3.12 Rating Conditions. Any set of operating conditions under which a single level of performance results and which causes only that level of performance to occur. 3.12.1 Standard Rating Conditions. Rati

24、ng Conditions used 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 c

25、laimed. 3.13.2 Should. “Should“ is used to indicate provisions which are not mandatory but which are desirable for good practice. Section 4. Test Requirements 4.1 Test Requirements. The performance of ACIMs shall be verified by tests conducted in accordance with ASHRAE Standard 29 and Sections 4.1.1

26、 through 4.1.4 of this standard. The calorimeter test need not be performed on Batch Type Ice-Makers. ANSI/AHRI STANDARD 811 (SI)-2012 3 4.1.1 Equipment. ACIMs shall be tested using all components as recommended by the manufacturer. 4.1.2 Electrical Conditions. All standard rating tests shall be per

27、formed at the nameplate rated voltage(s) and frequency. For ACIMs with dual nameplate voltage ratings, standard rating tests shall be performed at both voltages, or at the lower of the two voltages, if only a single Standard Rating is to be published. 4.1.3 Requirements for Split System Ice-Makers.

28、All Standard Ratings for Remote Condenser Systems and Remote Condensing Unit Systems shall be determined with at least 7.5 m of interconnection tubing on each line. The line sizes, insulation and details of installation shall be in accordance with the manufacturers published literature. 4.1.4 Test S

29、et Up. The test unit shall be set up for testing per the manufacturers written instructions provided with the unit. However, no adjustments of any kind shall be made to the test unit prior to or during the test that would affect the ice capacity, energy usage, or water usage of the test sample. Sect

30、ion 5. Rating Requirements 5.1 Published Ratings. Published Ratings shall include Standard Ratings, and may also include Application Ratings. 5.2 Standard Ratings. Standard Ratings shall be established at the Standard Rating Conditions specified in Section 5.2.1. All Standard Ratings shall be verifi

31、ed by tests as required in Section 4. When the condenser or condensing unit is intended only for indoor installation, all literature pertaining to such Split System Ice-Makers shall state that they are to be installed only indoors. For machines with adjustable size ice cube settings, Standard Rating

32、s require the publication of ratings for the largest size cube setting and for the smallest size cube setting. Ratings for any other intermediate size cube settings may be published as Application Ratings. The ice cube size setting shall accompany all Published Ratings 5.2.1 Standard Rating Conditio

33、ns. The conditions of test for Standard Ratings for Batch Type Ice-Makers, Continuous Type Ice-Makers, Self-Contained Model Ice-Makers, Split System Ice-Makers, and Combined Ice-Maker and Dispensers are as follows: Ambient temperature: 32.0C (For a Split System Ice-Maker, the condenser air inlet tem

34、perature shall be 32.0C with the indoor ambient temperature at 32.0C Water inlet temperature: 21.0C Water inlet pressure as water is consumed: 210 20.0 kPa 5.2.2 Standard Ratings. Standard Ratings shall include Bin Theoretical Storage Capacity, Condenser Water Use Rate, Energy Consumption Rate, Ice

35、Hardness Factor, Ice Harvest Rate and Potable Water Use Rate. 5.3 Application Ratings. Ratings at conditions other than those specified in Section 5.2.1 may be published as Application Ratings, and shall be based on data determined by the test requirements prescribed in Section 4. 5.4 Tolerances. To

36、 comply with this standard, Published Ratings shall be based on data obtained in accordance with the provisions of Sections 4 and 5 of this standard and shall be such that any production unit, when tested, shall have an Ice Harvest Rate not less than 95% of the Published Rating and an energy consump

37、tion rate not more than 105% of the Published Rating. The Potable and Condenser Water Use Rates shall not be more than 110% of the Published Ratings. The Ice Hardness Factor shall not be less than 95% of the Published Rating. Section 6. Minimum Data Requirements for Published Ratings 6.1 Minimum Dat

38、a Requirements for Published Ratings. As a minimum, Published Ratings shall include all Standard Ratings. All claims to ratings within the scope of this standard shall include the statement “Rated in accordance with AHRI ANSI/AHRI STANDARD 811 (SI)-2012_ 4 Standard 811 (SI)”. All claims to ratings o

39、utside the scope of this standard shall include the statement “Outside the scope of AHRI Standard 811 (SI)”. Wherever Application Ratings are published or printed, they shall include a statement of the conditions at which the ratings apply. Section 7. Marking and Nameplate Data 7.1 Marking and Namep

40、late Data. As a minimum, the nameplate shall display the manufacturers name, model designation and electrical characteristics. Nameplate voltages for 60 Hertz systems shall include one or more of the equipment nameplate voltage ratings shown in Table 1 of AHRI Standard 110. Nameplate voltages for 50

41、 Hertz systems shall include one or more of the utilization voltages shown in Table 1 of IEC Standard Publication 60038. Section 8. Conformance Conditions 8.1 Conformance. While conformance with this standard is voluntary, conformance shall not be claimed or implied for products or equipment within

42、the standards Purpose (Section 1) and Scope (Section 2) unless such product claims meet all of the requirements of the standard and all of the testing and rating requirements are measured and reported in complete compliance with the standard. Any product that has not met all the requirements of the

43、standard cannot reference, state, or acknowledge the standard in any written, oral, or electronic communication. ANSI/AHRI STANDARD 811 (SI)-2012 5 APPENDIX A. REFERENCES NORMATIVE A1 Listed here are all standards, handbooks, and other publications essential to the formation and implementation of th

44、e standard. All references in this appendix are considered as part of this standard. A1.1 AHRI Standard 110-2012, Air-Conditioning and Refrigerating Equipment Nameplate Voltages, 2012, Air-Conditioning and Refrigeration Institute, 4100 North Fairfax Drive, Suite 200, Arlington, VA 22203, U.S.A. A1.2

45、 AHRI Standard 821 (SI)-2012, Performance Rating of Ice Storage Bins, 2000, Air-Conditioning and Refrigeration Institute, 4100 North Fairfax Drive, Suite 200, Arlington, VA 22203, U.S.A. A1.3 ASHRAE Standard 29-2009, Methods of Testing Automatic Ice-Makers, 2009, American Society of Heating, Refrige

46、rating, and Air-Conditioning Engineers, Inc., 1791 Tullie Circle N.E., Atlanta, GA 30329, U.S.A. A1.4 ASHRAEwiki, Terminology, http:/wiki.ashrae.org/index.php/ASHRAEwiki, 2012, American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc., 1791 Tullie Circle, N.E., Atlanta, GA 30329, U.S.A. A1.5 IEC Standard 60038, IEC Standard Voltages, 2002, International Electrotechnical Commission, 3, rue de Varembe, P.O. Box 131, 1211 Geneva 20, Switzerland. APPENDIX B. REFERENCES INFORMATIVE None.