AHRI 1301 SI-2013 Performance Rating of Commercial Heat Pump Water Heaters.pdf

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1、 2013 Standard for Performance Rating of Commercial Heat Pump Water Heaters AHRI Standard 1301 (SI) Price $10.00 (M) $20.00 (NM) Copyright 2013, by Air-Conditioning, Heating, and Refrigeration Institute Printed in U.S.A. Registered United States Patent and Trademark Office Note: This is a new standa

2、rd For I-P ratings see AHRI Standard 1300 (I-P)-2013 Forward: Commercial Heat Pump Water Heaters (CHPWH) use an electrically driven, mechanical vapor compression refrigeration system to transfer heat from a heat source (e.g. air, ground, water, brine solution) to potable water to provide service hot

3、 water. This rating method standard covers CHPWH that are not subject to the U.S. Department of Energy (DOE) efficiency regulations for residential heat pump water heaters. IMPORTANT SAFETY RECOMMENDATIONS AHRI does not set safety standards and does not certify or guarantee the safety of any product

4、s, components or systems designed, tested, rated, installed or operated in accordance with this standard/guideline. It is strongly recommended that the products be designed, constructed, assembled, installed and operated in accordance with nationally recognized safety standards and code requirements

5、 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 certify or guarantee that any tests conducted under its standards/guidelines will be non-hazardous or fre

6、e from risk. TABLE OF CONTENTS SECTION PAGE Section 1. Purpose 1 Section 2. Scope . 1 Section 3. Definitions. 1 Section 4. Classifications . 3 Section 5. Test Requirements 3 Section 6. Rating Requirements . 3 Section 7. Minimum Data Requirements for Published Ratings . 5 Section 8. Marking and Namep

7、late Data . 6 Section 9. Conformance Conditions 7 TABLES Table 1. Classification of Commercial Heat Pump Water Heaters (CHPWH) 3 Table 2. AS-CHPWH Standard Rating Conditions 4 Table 3. DG-CHPWH Standard Rating Conditions 4 Table 4. WS-CHPWH Standard Rating Conditions . 4 Table 5. CHPWH Hot Water Sta

8、ndard Rating Conditions . 4 APPENDICES Appendix A. References - Normative 7 Appendix B. References - Informative. 8 _AHRI STANDARD 1301 (SI)-2013 1 PERFORMANCE RATING OF COMMERCIAL HEAT PUMP WATER HEATERS Section 1. Purpose 1.1 Purpose. The purpose of this standard is to establish for Commercial Hea

9、t Pump Water Heaters (CHPWH): definitions; test requirements; classifications; rating requirements; minimum data requirements for Published Ratings; operating requirements; marking and nameplate data; and conformance conditions. 1.1.1 Intent. This standard is intended for the guidance of the industr

10、y, including manufacturers, engineers, installers, contractors and users. 1.1.2 Limits. This standard covers CHPWH with input capacities less than or equal to 50 kW, including all three phase products and single phase products not covered by the Code of Federal Regulations, 10 CFR Part 430, Appendix

11、 E to Subpart B of Part 430 - Uniform Test Method for Measuring the Energy Consumption of Water Heaters. 1.1.3 Review and Amendments. This standard is subject to review and amendment as technology advances. Section 2. Scope 2.1 Scope. This standard applies to factory assembled Commercial Heat Pump W

12、ater Heaters (CHPWH) defined as equipment to provide potable or service hot water using alternate sources of energy as air, water and ground (geothermal) by means of electrically driven, mechanical vapor compression refrigerant systems. Different type of CHPWH are defined in Section 3. 2.1.1 This st

13、andard does not apply to testing and rating of heat pumps or water heaters covered in ANSI/AHRI/ASHRAE ISO Standard 13256-1 & 2, ANSI/AHRI Standard 1160 or ANSI/AHRI Standard 870. 2.1.2 This standard does not apply to testing and rating of Air-Cooled or Water Cooled Heat Reclaim Condensers covered i

14、n ANSI/AHRI Standard 550/590 with Addenda. Section 3. Definitions All terms in this document will follow the standard industry definitions in the ASHRAE Wikipedia website (http:/wiki.ashrae.org/index.php/ASHRAEwiki), unless otherwise defined in this section. 3.1 Condenser. A refrigeration system com

15、ponent that condenses refrigerant vapor. Desuperheating and sub-cooling of refrigerant may occur as well. 3.1.1 Water-Cooled Condenser. A component that utilizes refrigerant-to-water heat transfer means causing the refrigerant to condense and water to be heated. 3.2 Coefficient of Performance. A rat

16、io of the heating capacity in kW, to the power input value in kW at any given set of rating conditions expressed in kW/kW. AHRI STANDARD 1301 (SI)-2013_ 2 3.3 Evaporator. A refrigeration system component that evaporates refrigerant liquid and extracts heat from the air, ground or a fluid. 3.4 Commer

17、cial Heat Pump Water Heater (CHPWH). A device using a vapor compression refrigeration system to transfer heat from a low temperature source to a higher temperature sink for the purpose to of heating potable or service water including all ancillary equipment as fans, blowers, pumps, storage tanks, pi

18、ping and controls. 3.4.1 Air Source Commercial Heat Pump Water Heater (AS-CHPWH). A CHPWH that utilizes indoor or outdoor air as the heat source. 3.4.2 Direct Geo Exchange Commercial Heat Pump Water Heater (DG-CHPWH). A CHPWH that utilizes the earth as the heat source. 3.4.3 Water Source Commercial

19、Heat Pump Water Heater (WS-CHPWH). A CHPWH that utilizes water or a brine solution as the heat source. 3.5 Heating Capacity. The capacity associated with the change in water temperature expressed in kW. 3.6 Outdoor Air. Ambient outdoor air that enters the AS-CHPWH. 3.7 Published Rating. A statement

20、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 all units of like nominal size and type (identification) produced by the same manufacturer. The term Published Rating includes the

21、rating of all performance characteristics shown on the unit or published in specifications, advertising or other literature controlled by the manufacturer, at stated Rating Conditions. 3.7.1 Application Rating. A rating based on tests performed at application Rating Condition other than Standard Rat

22、ing conditions 3.7.2 Standard Rating. A rating based on tests performed at Standard Rating Conditions as listed in Tables 2, 3, 4 and at Hot Water Standard Rating Conditions as listed in Table 5. 3.8 Rating Conditions. Any set of operating condition under which a single level of performance results

23、and that causes only that level of performance to occur. 3.8.1 Standard Rating Conditions. Rating Conditions used as the basis of comparison for performance characteristics as listed in Tables 2, 3, 4 and 5. 3.9 “Shall“ or “Should“. “Shall or “Should“ shall be interpreted as follows: 3.9.1 Shall. Wh

24、ere “shall“ or “shall not“ is used for a specified provision, that provision is mandatory if compliance with the standard is claimed. 3.9.1 Should. “Should“ is used to indicate provisions that are not mandatory but are desirable as good practice. _AHRI STANDARD 1301 (SI)-2013 3 Section 4. Classifica

25、tions 4.1 Classification. Commercial Heat Pump Water Heaters (CHPWH) within the scope of this standard shall be classified as shown in Table 1. Section 5. Test Requirements 5.1 Commercial HPWH Standard Rating shall be verified by test conducted in accordance with procedures for CHPWH specified in AN

26、SI/ASHRAE Standard 118.1. 5.1.1 Exception. In the case of models offered with multiple voltages, the test shall be conducted at the lowest voltage specified on the nameplate. At the manufacturers option, the test may be repeated at the highest voltage specified on the nameplate. Section 6. Rating Re

27、quirements 6.1 Standard Ratings. Standard Ratings shall be established by test conducted in Standard Rating Conditions specified in Tables 2, 3, 4 and 5. 6.1.1 Values for Standard Ratings. Standard Rating relating to heating capacity shall be net values. If a circulating pump is within the unit and

28、energized under normal operation, the electrical energy shall be included in the total power input of the unit. If the unit does not include a circulating pump a penalty equal to the pump power input (in watts) required to meet the manufacturers specified water flow shall be applied. 6.1.1.1 Values

29、for Standard Heating Capacity. Standard heating capacity rating shall be expressed only in terms of kW, in multiples of 0.15 for units with ratings less than 15 kW, in multiple of 0.30 for units with ratings of 15 kW and greater but less than 39.6 kW Btu/h, in Table 1 - Classification of Commercial

30、Heat Pump Water Heaters (CHPWH) Designation AHRI Type Arrangement Air Source CHPWH AS-CHPWH Air Evaporator Compressor Condenser Direct Geo Exchange CHPWH DG-CHPWH Ground Evaporator Compressor Condenser Water Source CHPWH WS-CHPWH Liquid Evaporator Compressor Condenser AHRI STANDARD 1301 (SI)-2013_ 4

31、 multiples of 0.60 for units with ratings of 39.6 kW and greater but less than 117 kW and in multiples of 1.5 for units with ratings above 117 kWh. 6.1.1.2 Values for Standard Coefficient of Performance. Standard Coefficient of Performance shall be expressed in multiples of 0.1. 6.1.1.3 Entering Wat

32、er Temperature (EWT). For rating and labeling, EWT 21.1C and EWT 43.5 C are mandatory, and EWT 54.5 C is optional. Table 2. AS-CHPWH Standard Source Rating Conditions Evaporator Entering Air Temperature, C Dry-bulb Wet-bulb 35.0 24.0 27.0 21.8 10.0 7.0 -8.5 -9.5 Table 3. DG-CHPWH Standard Source Rat

33、ing Conditions Equipment Entering Refrigerant Vapor Temperature, C 0.0 Table 4. WS-CHPWH Standard Source Rating Conditions Evaporator Entering Water Temperature, C 20.0 10.0 0.0 Table 5. CHPWH Standard Hot Water Rating ConditionsEntering Water Temperature (EWT), C 21.1 - Mandatory 43.5 - Mandatory 5

34、4.5 - Optional 6.2 Tolerances. To comply with this standard, measured test results shall not be less than 95% of Published Ratings for Water Heating Capacity and COP values. _AHRI STANDARD 1301 (SI)-2013 5 Section 7. Minimum Data Requirements for Published Ratings 7.1 Minimum Data Requirement for Pu

35、blished Ratings. Published Ratings shall include, at a minimum, all Standard Ratings. All claims to ratings within the scope of this standard shall include the statement “Rated in accordance with AHRI Standard 1301 (SI).“ All claims to ratings outside the scope of the standard shall include the stat

36、ement: “Outside the scope of AHRI Standard 1301 (SI)“. Whenever Application Ratings are published or printed they shall include a statement of the conditions at which the ratings applies. 7.2 Published Ratings. Published Ratings shall state all of the standard operating conditions and shall include

37、the following: 7.2.1 General. 7.2.1.1 Refrigerant designation in accordance with ANSI/AHRI Standard 34 with Addenda. 7.2.1.2 Model number designations providing identification of the Commercial Heat Pump Water Heater to which the ratings apply 7.2.1.3 Water Heating Capacity at the Standard Rating co

38、nditions, kW 7.2.1.4 Total Power Input of the Commercial Heat Pump Water Heater, kW 7.2.1.5 Coefficient of performance at the Standard Rating Conditions, kW/kW 7.2.1.6 Nominal voltage, V, and frequency, Hz, at which the ratings were determined 7.2.2 Air Source CHPWH. 7.2.2.1 Entering air dry-bulb an

39、d wet-bulb, C (as stated in Table 2) 7.2.2.2 Air flow through the evaporator, l/s 7.2.3 Direct Geo Exchange CHPWH. 7.2.3.1 Equipment entering refrigerant temperature, C (as stated in Table 3) 7.2.4 Water Source CHPWH. 7.2.4.1 Evaporator water entering and leaving temperatures, C (as stated in Table

40、4) 7.2.4.2 Evaporator water flow rate, l/s 7.2.4.3 Evaporator water pressure drop, kPa Section 8. Marking and Nameplate Data 8.1 Marking and Nameplate Data. As a minimum, the nameplate shall display the following: 8.1.1 Manufacturers name and location 8.1.2 Model number designation providing complet

41、e identification AHRI STANDARD 1301 (SI)-2012_ 6 8.1.3 Refrigerant designation (in accordance with ANSI/ASHRAE Standard 34 with Addenda) 8.1.4 Water heating capacity at all applicable entering temperatures (from Table 5) 8.1.5 Voltage, phase, frequency. Nameplate voltages for 60 Hz systems shall inc

42、lude one or more of the equipment nameplate voltage ratings shown in Table 1 of AHRI Standard 110. Nameplate voltages for 50 Hz systems shall include one or more of the utilizations shown in Table 1 of IEC Standard Publication 60038. Section 9. Conformance Conditions 9.1 Conformance. While conforman

43、ce with this standard is voluntary, conformance shall not be claimed or implied for products or equipment within 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

44、 and reported in complete compliance with the standard. Any product that has not met all the requirements of the standard shall not reference, state, or acknowledge the standard in any written, oral or electronic communication. _AHRI STANDARD 1301 (SI)-2012 7 APPENDIX A. REFERENCES NORMATIVE A1 List

45、ed here are all standards, handbooks and other publications essential to the formation and implementation of the standard. All references in this appendix are considered as part of the standard. A1.1 AHRI Standard 110-2012, Air-Conditioning and Refrigerating Equipment nameplate Voltages, 2012, Air-C

46、onditioning, Heating and Refrigeration Institute, 2111 Wilson Boulevard, Suite 500, Arlington, VA 22201, U.S.A. A1.2 ANSI/AHRI Standard 340/360-2007 with Addenda 1 and 2, Commercial and Industrial Unitary Air Conditioning and Heat Pump Equipment, 2007, Air-Conditioning, Heating and Refrigeration Ins

47、titute, 2111 Wilson Boulevard, Suite 500, Arlington, VA 22201, U.S.A. A1.3 ANSI/AHRI Standard 551/591 (SI)-2011 with Addenda, Performance Rating of Water- Chilling Packages using the Vapor Compression Cycle, 2011, Air-Conditioning, Heating and Refrigeration Institute, 2111 Wilson Boulevard, Suite 50

48、0, Arlington, VA 22201, U.S.A. A1.4 ANSI/AHRI Standard 870-2005, Performance Rating of Direct Geo Exchange Heat Pumps, 2005, Air-Conditioning, Heating and Refrigeration Institute, 2111 Wilson Boulevard, Suite 500, Arlington, VA 22201, U.S.A. A1.5 ANSI/AHRI Standard 1161 (SI)-2011, Performance Rating of Heat Pump Pool Hea