1、 2004 4100 N. FAIRFAX DR., SUITE 200 ARLINGTON, VIRGINIA 22203 STANDARD for PERFORMANCE RATING OF COMMERCIAL AND INDUSTRIAL UNITARY AIR- CONDITIONING AND HEAT PUMP EQUIPMENT Standard 340/360 Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARINot for ResaleNo
2、 reproduction or networking permitted without license from IHS-,-,-IMPORTANT SAFETY DISCLAIMER ARI 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/guideli
3、ne. It is strongly recommended that products be designed, constructed, assembled, installed and operated in accordance with nationally recognized safety standards and code requirements appropriate for products covered by this standard/guideline. ARI uses its best efforts to develop standards/guideli
4、nes employing state-of-the-art and accepted industry practices. ARI does not certify or guarantee that any test conducted under its standards/guidelines will be non-hazardous or free from risk. ARI CERTIFICATION PROGRAM PROVISIONS Scope of the Certification Program The Certification Program includes
5、 all air-cooled, water-cooled and evaporatively-cooled unitary air-conditioning, air-source unitary heat pump equipment, and air-conditioning condensing units rated at or above 65,000 Btu/h 19,000 W at ARI Standard Rating Conditions (Cooling) but below 250,000 Btu/h 73,200 W at ARI Standard Rating C
6、onditions (Cooling). Certified Ratings The following Certification Program ratings are verified by test: Unitary Air-Conditioners and Air-Conditioning Condensing Units Air-cooled, water-cooled and evaporatively-cooled from 65,000 Btu/h 19,000 W to below 250,000 Btu/h 73,200 W. 1. ARI Standard Rating
7、 Cooling Capacity, Btu/h 2. Energy Efficiency Ratio, EER, Btu/Wh 3. Integrated Part-Load Value, IPLV Air-Source Unitary Heat Pump Equipment Air-cooled from 65,000 Btu/h 19,000 W to below 250,000 Btu/h 73,200 W. 1. ARI Standard Rating Cooling Capacity, Btu/h 2. Energy Efficiency Ratio, EER, Btu/Wh 3.
8、 High Temperature Heating Standard Rating Capacity, Btu/h 4. High Temperature Coefficient of Performance (COP 47F) 5. Low Temperature Heating Standard Rating Capacity, Btu/h 6. Low Temperature Coefficient of Performance (COP 17F) 7. Integrated Part-Load Value, IPLV Conformance to the requirements of
9、 the Maximum Operating Condition Test, Cooling Low Temperature Operation Test, Insulation Efficiency Test (Cooling), and Condensate Disposal Test (Cooling) are also verified by test. Note: This standard supersedes ARI Standard 340/360-2000. Price $15.00 (M) $30.00 (NM) Copyright 2004, by Air-Conditi
10、oning and Refrigeration Institute Printed in U.S.A. Registered United States Patent and Trademark Office Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE OF CONTENTS S
11、ECTION PAGE Section 1. Purpose .1 Section 2. Scope 1 Section 3. Definitions 1 Section 4. Classifications.2 Section 5. Test Requirements2 Section 6. Rating Requirements 2 Section 7. Minimum Data Requirements for Published Ratings.10 Section 8. Operating Requirements.10 Section 9. Marking and Nameplat
12、e Data.12 Section 10. Conformance Conditions12 TABLES Table 1. Classification of Commercial and Industrial Unitary Air-Conditioning Equipment.4 Table 2. Classification of Commercial and Industrial Unitary Heat Pump Equipment .5 Table 3. Conditions for Standard Rating and Operating Tests6 Table 4. Mi
13、nimum External Pressure.7 FIGURES Figure 1. Part-Load Factor Curve 9 Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-APPENDICES Appendix A. References - Normative13 Appendi
14、x B. References - Informative 13 Appendix C. Capacity Calculation For Unitary Equipment Using an Outdoor Air Cooling Coil Normative .14 Appendix D. Method and Example of Calculating Integrated Part-Load Values (IPLV) - Normative16 TABLES FOR APPENDICES Table D1. Example IPLV Calculation (I-P Units)
15、18 FIGURES FOR APPENDICES Figure C1. Test Set-Up for Units Using an Outdoor Coil15 Figure D1. Part-Load Factor Example17Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ARI
16、STANDARD 340/360-2004 1 PERFORMANCE RATING OF COMMERCIAL AND INDUSTRIAL UNITARY AIR-CONDITIONING AND HEAT PUMP EQUIPMENT Section 1. Purpose 1.1 Purpose. The purpose of this standard is to establish for Commercial and Industrial Unitary Air-Conditioning and Heat Pump Equipment: definitions; classific
17、ations; test requirements; 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 industry, including manufacturers, engineers, installers, c
18、ontractors 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 factory-made Commercial and Industrial Unitary Air-Conditioning and Heat Pump Equipment as defined in Section 3. 2.1.1 Energy
19、 Source. This standard applies only to electrically operated, vapor compression refrigeration systems. 2.2 Exclusions. This standard does not apply to the following: 2.2.1 Rating and testing of individual assemblies, such as condensing units or coils, for separate use. 2.2.2 Unitary Air-Conditioners
20、 as defined in ARI Standard 210/240, Unitary Air-Conditioning and Air-Source Heat Pump Equipment, with capacities less than 65,000 Btu/h 19 000 W, or to Unitary Heat Operated Air-Conditioning Equipment, or Water-Source Heat Pumps as defined in ISO 13256-1, Water-Source Heat Pumps Testing and Rating
21、for Performance Part I: Water-to-Air and Brine-to-Air Heat Pumps. 2.2.3 Rating of units equipped with desuperheater/water heating devices (as defined in ANSI/ASHRAE Standard 137) in operation. Section 3. Definitions All terms in this document shall follow the standard industry definitions in the cur
22、rent edition of ASHRAE Terminology of Heating, Ventilation Air-Conditioning and Refrigeration, unless otherwise defined in this section. 3.1 Coefficient of Performance. A ratio of the cooling/heating capacity in watts W to the power input values in watts W at any given set of rating conditions expre
23、ssed in watts/watts W/W. For heating COP, supplementary resistance heat shall be excluded.3.1.1 Standard Coefficient of Performance. A ratio of the capacity to power input value obtained at Standard Rating Conditions. 3.2 Commercial and Industrial Unitary Air-Conditioner. One or more factory-made as
24、semblies, which includes a cooling coil, an air moving device, a compressor(s) and condenser combination, and may include a heating function as well. Where such equipment is provided in more than one assembly, the separate assemblies shall be designed to be used together, and the requirements of rat
25、ing outlined in this standard shall be based upon the use of matched assemblies. 3.2.1 Functions. The functions of Commercial and Industrial Unitary Air-Conditioners, either alone or in combination with a heating plant, are to provide air-circulation, cooling, dehumidification, and may include the f
26、unctions of heating, humidifying, outdoor air ventilation, and air cleaning. 3.3 Commercial and Industrial Unitary Heat Pump. One or more factory-made assemblies, which normally include an indoor conditioning coil, an air moving device, compressor(s), and an outdoor coil(s), including means to provi
27、de a heating function and may or may not include a cooling function. When such equipment is provided in more than one assembly, the separate assemblies shall be designed to be used together, and the requirements of rating outlined in the standard shall be based upon the use of matched assemblies. 3.
28、3.1 Functions. Commercial and Industrial Unitary Heat Pumps shall provide the function of heating, air circulation and may include the function of air cooling, dehumidifying or humidifying, outdoor air ventilation, and air cleaning. Copyright Air-Conditioning and Refrigeration Institute Provided by
29、IHS under license with ARINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ARI STANDARD 340/360-2004 2 3.4 Cooling Capacity. The capacity associated with the change in air enthalpy which includes both the Latent and Sensible Capacities expressed Btu/h W. 3.4.1 Laten
30、t Capacity. Capacity associated with a change in humidity ratio. 3.4.2 Sensible Capacity. Capacity associated with a change in dry-bulb temperature. 3.5 Energy Efficiency Ratio (EER). A ratio of the Cooling Capacity in Btu/h to the power input values in watts at any given set of rating conditions ex
31、pressed in Btu/Wh. 3.6 Integrated Part-Load Value (IPLV). A single number cooling part-load efficiency figure of merit calculated per the method described in 6.2.2. 3.7 Published Rating. A statement of the assigned values of those performance characteristics, under stated Rating Conditions, by which
32、 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 rating of all performance characteristics shown on the air-conditioner or heat pump or published in s
33、pecifications, 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 Conditions (other than Standard Rating Conditions). 3.7.2 Standard Rating. A rating based on tests performed
34、at Standard Rating Conditions. 3.8 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. 3.8.1 Standard Rating Conditions. Rating conditions used as the basis of comparison for performance charac
35、teristics. 3.9 “Shall“ or “Should“. “Shall“ or “should“ shall be interpreted as follows: 3.9.1 Shall. Where “shall“ or “shall not“ is used for a provision specified, that provision is mandatory if compliance with the standard is claimed. 3.9.2 Should. “Should” is used to indicate provisions which ar
36、e not mandatory but which are desirable as good practice. 3.10 Standard Air. Air weighing 0.075 lb/ft31.2 kg/m3 which approximates dry air at 70F 21C and at a barometric pressure of 29.92 in Hg 101.1 kPa. Section 4. Classifications Commercial and Industrial Unitary Air-Conditioning and Heat Pumps Eq
37、uipment within the scope of this standard shall be classified as shown in Tables 1 and 2. Section 5. Test Requirements 5.1 All standard ratings shall be verified by tests conducted in accordance with ASHRAE Standard 37 and with the test methods and procedures as described in this standard and its ap
38、pendices. Section 6. Rating Requirements 6.1 Standard Ratings. Standard Ratings shall be established at the Standard Rating Conditions specified in Table 3. Standard Ratings related to cooling or heating capacities shall be net values, including the effects of circulating fan heat, but not including
39、 supplementary heat. Standard Ratings (Cooling) shall be stated as total Cooling Capacity. Standard Ratings shall be based on the total power input to the compressor(s) and fan(s), plus controls and other items required as part of the system for standard rating operation. Standard Ratings of units w
40、hich do not have indoor air-circulating fans furnished as part of the model, i.e., split systems with indoor coil alone, shall be established by subtracting 1250 Btu/h per 1000 cfm 775 W/m3/s from the total cooling capacity, and by adding the same amount to the heating capacity. Total power input fo
41、r both heating and cooling shall be increased by 365 W per 1000 cfm 226 W/m3/s of indoor air circulated. Standard Ratings of water-cooled units from 65,000 to below 135,000 Btu/h 19,000 to 39,600 W shall include a total allowance for cooling tower fan motor and circulating water pump motor power inp
42、uts to be added in the amount of 10.0 W per 1000 Btu/h 34.1 W per 1000 W cooling capacity. 6.1.1 Values of Standard Capacity Ratings. These ratings shall be expressed in terms of Btu/h W as shown. Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARINot for Re
43、saleNo reproduction or networking permitted without license from IHS-,-,-ARI STANDARD 340/360-2004 3 Capacity Ratings, Btu/h W Multiples, Btu/h W 65,000 up to 135,000 19,000 up to 39,600 1000 300 136,000 up to 400,000 39,800 up to 117,000 2000 600 above 400,000 above 117,000 5000 1,500 6.1.2 Values
44、of Energy Efficiency Ratios and Coefficients of Performance. Energy Efficiency Ratios (EER) and Integrated Part-Load Values (IPLV) for cooling, whenever published, shall be expressed in multiples of the nearest 0.1. Coefficients of Performance (COP) for heating or cooling, whenever published, shall
45、be expressed in multiples of the nearest 0.1. 6.1.3 Standard Rating Tests. Table 3 indicates the tests and test conditions which are required to determine values of standard capacity ratings and values of energy efficiency. Standard cooling ratings are not applicable for heating-only heat pumps. 6.1
46、.3.1 Voltage and Frequency. Standard Rating tests shall be performed at the nameplate rated voltage(s) and frequency.For air-conditioners and heat pumps 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 sing
47、le Standard Rating is to be published. 6.1.3.2 Indoor-Coil Airflow Rate. All Standard Ratings shall be determined at an indoor-coil airflow rate as outlined below. All airflow rates shall be expressed in terms of Standard Air. a. Equipment with indoor fans intended for use with field installed duct
48、systems shall be rated at the indoor-coil airflow rate (not to exceed 37.5 SCFM per 1000 Btu/h 0.06 m3/s per 1000 W of rated capacity) delivered when operating against the minimum external resistance specified in Table 4 or at a lower indoor-coil airflow rate if so specified by the manufacturer. b.
49、Equipment with indoor fans not intended for use with field installed duct systems (free discharge) shall be rated at the indoor-side air quantity delivered when operating at 0 in H2O 0 Pa external pressure as specified by the manufacturer. c. 100% recirculated air shall be used except when the rating with outside air is claimed (6.1.3.6). For units equipped for multi-zone
