ARI 870-2005 Performance Rating of Direct Geoexchange Heat Pumps《直接热交换泵作业评定》.pdf
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1、 2005STANDARD for 4100 N. FAIRFAX DR., SUITE 200 z ARLINGTON, VIRGINIA 22203 PERFORMANCE RATING OF DIRECT GEOEXCHANGE HEAT PUMPS Standard 870 Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARI Not for ResaleNo reproduction or networking permitted without li
2、cense from IHS-,-,-Price $10.00 (M) $20.00 (NM) Copyright 2005, by Air-Conditioning and Refrigeration Institute Printed in U.S.A. Registered United States Patent and Trademark Office IMPORTANT SAFETY DISCLAIMER ARI does not set safety standards and does not certify or guarantee the safety of any pro
3、ducts, 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, installed and operated in accordance with nationally recognized safety standards and code requirements
4、 appropriate for products covered by this standard/guideline. ARI uses its best efforts to develop standards/guidelines employing state-of-the-art and accepted industry practices. ARI does not certify or guarantee that any tests conducted under its standards/guidelines will be non-hazardous or free
5、from risk. ARI CERTIFICATION PROGRAM PROVISIONS Scope of the Certification Program The certification program includes all factory made residential, commercial and industrial Direct Geoexchange Heat Pumps as defined in Section 3. It does not apply to the rating and testing of retrofit units. Certifie
6、d Ratings The following certification program ratings are verified by test at the Standard Rating Conditions: 1. Cooling Capacity, Btu/h 2. Energy Efficiency Ratio, EER, Btu/Wh3. Heating Capacity, Btu/h 4. Coefficient of Performance, COP Note: This standard supersedes ARI Standard 870-2001. Copyrigh
7、t Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE OF CONTENTS SECTION PAGE Section 1. Purpose 1 Section 2. Scope .1 Section 3. Definitions .1 Section 4. Classification .3 Sect
8、ion 5. Test and Rating Requirements.3 Section 6. Minimum Data Requirements for Published Ratings6 Section 7. Operating Requirements6 Section 8. Marking and Nameplate Data8 Section 9. Conformance Conditions.8 Check page numbers TABLES Table 1. Classification of Direct Geoexchange Heat Pumps.3 Table 2
9、. Minimum External Resistance 5 APPENDICES Appendix A. References - Normative.9 Appendix B. References - Informative .9 Appendix C. Outdoor Water Coil Method of Testing Direct Geoexchange Heat Pumps for Capacity - Informative.10 FIGURES FOR APPENDICES Figure C1. Outdoor Water Coil Test Set-Up for Di
10、rect Geoexchange Heat Pumps.10 Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ARI STANDARD 870-2005_ 1PERFORMANCE RATING OF DIRECT GEOEXCHANGE HEAT PUMPS SECTION 1. PURPO
11、SE 1.1 Purpose. The purpose of this standard is to establish for Direct Geoexchange Heat Pumps: definitions; classification; test and rating requirements; minimum data requirements for Published Ratings; operating requirements; marking and nameplate data; and conformance conditions. 1.1.1 Intent. Th
12、is 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 subject to review and amendment as technology advances. SECTION 2. SCOPE 2.1 Scope. This standard applies to factory made resi
13、dential, commercial and industrial Direct Geoexchange Heat Pumps, as defined in Section 3. 2.1.1 Energy Source. This standard applies only to electrically-driven, mechanical compression type systems. 2.1.2 Alternative Applications. Equipment designed for rating under this standard may not be suitabl
14、e for alternative applications covered in ISO 13256-1. 2.2 Exclusions. This standard applies to the rating and testing of complete refrigeration systems and does not apply to individual assemblies for separate use. SECTION 3. DEFINITIONS All terms in this document shall follow the standard industry
15、definitions in the current edition of ASHRAE Terminology of Heating, Ventilation, Air Conditioning and Refrigeration unless otherwise defined in this section. 3.1 Coefficient of Performance (COP). A ratio of the Cooling/Heating Capacity in watts W to the power input values in watts W at any given se
16、t of Rating Conditions expressed in watts/watt 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 Cooling Capacity. The capacity associated with the
17、 change in air enthalpy which includes both the Latent and Sensible Capacities expressed in Btu/h W. 3.2.1 Latent Capacity. Capacity associated with a change in humidity ratio. 3.2.2 Sensible Capacity. Capacity associated with a change in dry-bulb temperature. 3.3 Direct Geoexchange Heat Exchanger.
18、A continuous sealed underground closed loop heat exchanger with one refrigerant supply tube and one refrigerant return tube. More than one such Direct Geoexchange Heat Exchanger may be supplied with each heat pump and the Direct Geoexchange Heat Exchanger(s) may be factory or field assembled. Copyri
19、ght Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-_ ARI STANDARD 870-2005 23.4 Direct Geoexchange Heat Pump. A heat pump consisting of one or more factory made assemblies which no
20、rmally include an indoor conditioning coil with air moving means, compressor(s) and refrigerant-to-earth heat exchanger(s), including means to provide a heating function or a cooling function or both. The separate assemblies shall be designed to be used together, and the requirements of rating outli
21、ned in the standard are based upon the use of matched assemblies. 3.4.1 Functions. Direct Geoexchange Heat Pumps shall provide the function of air-circulating, cooling and heating with controlled temperature, and may include the functions of water heating, air-cleaning, dehumidifying or humidifying.
22、 Models designated as “cooling only“ units need not include the heating function, and models designated as “heating only“ units need not include the cooling function. 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 Ra
23、ting Conditions expressed in Btu/(Wh). 3.5.1 Standard Energy Efficiency Ratio. A ratio of the capacity to power input value obtained at Standard Rating Conditions. 3.6 Heating Capacity. The capacity associated with the change in dry-bulb temperature expressed in Btu/h W. 3.7 Part-Load Rating. A rati
24、ng based on tests performed at Part-Load Rating Conditions. 3.8 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 all units of like nominal size and ty
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