ANSI AHRI 1361 SI-2016 Performance Rating of Computer and Data Processing Room Air Conditioners.pdf

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1、 2016 Standard for Performance Rating of Computer and Data Processing Room Air Conditioners Approved by ANSI on July 8, 2016 ANSI/AHRI Standard 1361 (SI) Price $10.00 (M) $20.00 (NM) Copyright 2016, by Air-Conditioning Heating and Refrigeration Institute Printed in U.S.A. Registered United States Pa

2、tent and Trademark 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 prod

3、ucts 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. AHRI uses its best efforts to develop standards/guidelines employing state-of-the-art and acc

4、epted industry practices. AHRI does not certify or guarantee that any tests conducted under the standards/guidelines will not be non-hazardous or free from risk. Note: This 2016 standard supersedes AHRI Standard 1361 (SI)-2013 with Addendum 1. For I-P ratings, see ANSI/AHRI Standard 1360 (I-P)-2016.

5、 AHRI CERTIFICATION PROGRAM PROVISIONS The current scope of the Datacom Cooling (DCOM) Certification Programs can be found on AHRI website www.ahrinet.org. The scope of the Certification Programs should not be confused with the scope of the standard, as the standard also includes ratings for product

6、s that are not covered by a certification program. TABLE OF CONTENTS SECTION PAGE Section 1. Purpose . 1 Section 2. Scope 1 Section 3. Definitions . .1 Section 4. Classification . .4 Section 5. Test Requirements 5 Section 6. Rating Requirements 6 Section 7. Minimum Data Requirements for Published Ra

7、tings . 10 Section 8. Operating Requirements . 11 Section 9. Marking and Nameplate Data . 11 Section 10. Conformance 11 TABLES Table 1. Classification of Computer and Data Processing Room Air Conditioners . 4 Table 2. Standard Rating Conditions 7 Table 3. Minimum External Static Pressure for Up-Flow

8、 Ducted Discharge Units . 8 Table 4. Published Ratings . 10 FIGURES Figure 1. Up-flow Unit Test Duct 5 APPENDICES Appendix A. References Normative 12 Appendix B. References Informative 13 Appendix C. Standard Models - Normative . 14 Appendix D. Integrated Net Sensible COP - Informative 18 TABLES FOR

9、 APPENDICES Table C1. Standard Model Airflow Configurations 15 FIGURES FOR APPENDICES Table C1. Down-flow Unit 15 Table C2. Horizontal-flow Unit 15 Table C3. Up-flow Unit Ducted or Up-flow Unit Non-ducted 15 ANSI/AHRI STANDARD 1361 (SI)-2016 1 PERFORMANCE RATING OF COMPUTER AND DATA PROCESSING ROOM

10、AIR CONDITIONERS Section 1. Purpose 1.1 Purpose. The purpose of this standard is to establish definitions, classification, test requirements, rating requirements, minimum data requirements for Published Ratings, marking and nameplate data, and conformance conditions for Computer and Data Processing

11、Room Air Conditioners (CDPR), which provide cooling year round, and are designed to serve Data Centers and other Information Technology Equipment. 1.1.1 Intent. This standard is intended for the guidance of the industry, including manufacturers, engineers, installers, contractors, users, and regulat

12、ors. 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 floor mounted Computer and Data Processing Room Air Conditioners as defined in Section 3. 2.2 Exclusions. This standard does not apply to the

13、 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 and unitary heat pumps as defined in ANSI/AHRI Standard 210/240 and AHRI Standard 340/360. 2.2.3 Variable refrigerant flow air conditioners and heat pump

14、s as defined in ANSI/AHRI Standard 1230. 2.2.4 Single package vertical packaged air conditioners rated using ANSI/AHRI Standard 390. 2.2.5 Packaged terminal air-conditioners rated using AHRI Standard 310/380. Section 3. Definitions All terms in this document will follow the standard industry definit

15、ions in the ASHRAE Wikipedia website (https:/www.ashrae.org/resources-publications/free-resources/ashrae-terminology) unless otherwise defined in this section. 3.1 Computer and Data Processing Room Air Conditioner (CDPR). A Computer and Data Processing Room Air Conditioner consists of one or more fa

16、ctory-made assemblies, which include a direct expansion evaporator or chilled water cooling coil, an air-moving device(s) and air-filtering device(s). The air conditioner may include a compressor, condenser, humidifier or reheating function. The functions of a CDPR, either alone or in combination wi

17、th a cooling plant, are to provide air filtration, air circulation, cooling, and humidity control (if the necessary options are included) These have two airflow configuration options: Direction and Connection. Each CDPR can be a combination of one Direction and two Connections (one Discharge from Un

18、it and one Return to Unit) 3.1.1 Direction. 3.1.1.1 Down-flow. Air passes vertically downward through cooling coil. Return air enters the top of the unit and discharge air leaves at the bottom of the unit. 3.1.1.2 Horizontal-flow. Air passes horizontally through cooling coil. Return air enters the r

19、ear of the unit and discharge air leaves at the front of the unit. ANSI/AHRI STANDARD 1361 (SI)-2016 2 3.1.1.3 Up-flow. Air passes vertically upward through cooling coil. Return air enters the bottom of the unit and discharge air leaves at the top of the unit. 3.1.2 Connections. 3.1.2.1 Discharge fr

20、om Unit. 3.1.2.1.1 Raised Floor Plenum Discharge. A unit which is sitting on and discharges air into an opening in a raised floor plenum. 3.1.2.1.2 Ducted Discharge. A unit which has and discharges air into field installed ductwork attached. 3.1.2.1.3 Free Air Discharge. A unit with a free air disch

21、arge which does not have field installed ductwork attached. This may include a factory installed integral grill or a field installed factory built plenum. 3.1.2.2 Return to Unit. 3.1.2.2.1 Raised Floor Plenum Return. A unit which is sitting on and returns air into an opening in a raised floor plenum

22、. 3.1.2.2.2 Ducted Return. A unit which has and returns air into a field installed ductwork attached. 3.1.2.2.3 Free Air Return. A unit with a free air return which does not have field installed ductwork attached. This may include a factory installed integral grill. 3.2 Computer Room Air Conditioner

23、 (CRAC). A CDPR that utilizes dedicated compressors and refrigerant cooling coils rather than chilled-water coils. 3.3 Computer Room Air Handler (CRAH). A CDPR that utilizes chilled-water coils for cooling rather than dedicated compressors. 3.4 Data Center. A building, room(s), or portions thereof,

24、serving an ITE load. 3.5 Floor Mounted Unit. A CDPR designed to be installed on a raised floor, floor stand, or a solid floor inside the building. 3.6 Fluid Economizer. An option available with a CRAC or CRAH system in which a cold fluid is circulated by a pump through an indoor heat exchanger to pr

25、ovide cooling during lower outdoor ambient conditions, in order to reduce or eliminate compressor operation. The fluid could be chilled water, water/glycol solution, or refrigerant. An external fluid cooler such as a drycooler, cooling tower, or condenser is utilized for heat rejection. This is some

26、times referred to as a free cooling coil, econ-o-coil, or economizer. 3.7 Information Technology Equipment (ITE). IT equipment includes IT racks and cabinets, computers, data storage, servers and network/communication equipment which generate heat. 3.8 Integrated Net Sensible Coefficient of Performa

27、nce (iNSenCOP). A value that provides a standardized evaluation of the annualized cooling energy efficiency of a unit operated across the specified range of outdoor ambient temperatures (see Table 2 and Informative Appendix D). 3.9 Net Sensible Coefficient of Performance (NSenCOP). A ratio of the Ne

28、t Sensible Cooling Capacity in kW to the total power input in kW (excluding reheaters and humidifiers) at any given set of Rating Conditions. 3.10 Net Sensible Cooling Capacity. The rate, expressed in kW, at which the equipment removes sensible heat from the air passing through it under specified co

29、nditions of operation, reflecting the fan energy dissipated into the conditioned space. 3.11 Net Total Cooling Capacity. The rate, expressed in kW, at which the equipment removes total heat from the air passing through it under specified conditions of operation, reflecting the fan energy dissipated

30、into the conditioned space. ANSI/AHRI STANDARD 1361 (SI)-2016 3 3.12 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 a

31、nd type produced by the same manufacturer. As used herein, 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 stated Rating Conditions. 3.12.1 Standard R

32、ating. A 100% capacity rating based on tests of Standard Models performed at Standard Rating Condition A. Refer to Appendix C for a description of Standard Models. 3.12.2 Application Rating. A rating based on tests of configured models at application Rating Conditions (other than Standard Rating Con

33、ditions). 3.13 Rating Conditions. Any set of operating conditions under which a single level of performance results and which cause only that level of performance to occur. 3.13.1 Standard Rating Conditions. Rating Conditions used as the basis of comparison for performance character-istics. 3.14 Red

34、uced Ambient Ratings. Ratings determined at reduced outdoor temperature conditions using the same capacity as determined at Standard Rating A to calculate the iNSenCOP values. 3.15 “Shall,” “Should,” “Recommended,” or “It Is Recommended.” “Shall,” “should,” “recommended,” or “it is recom-mended” sha

35、ll be interpreted as follows: 3.15.1 Shall. Where “shall” or “shall not” is used for a provision specified, that provision is mandatory if compliance with the standard is claimed. 3.15.2 Should, Recommended, or It Is Recommended. “Should,” “recommended,” or “it is recommended” is used to indicate pr

36、ovisions which are not mandatory but which are desirable as good practice. 3.16 Standard Air. Air weighing 1.2 kg/m3 which approximates dry air at 21C and at a barometric pressure of 101.3 kPa. When correcting measured airflow to Standard Air the correction should be based on the air density at the

37、airflow measurement test station. 3.17 Standard Airflow. The volumetric flowrate of air corrected to Standard Air conditions expressed in standard cubic meter per hour (sm3/h). 3.18 Standard Model. A specific configuration for rating of the CDPR basic indoor cooling unit types as defined below and a

38、s shown in Appendix C. 3.18.1 Down-flow Unit. A down-flow raised floor plenum discharge unit with discharge air into a raised floor plenum and free air return air. 3.18.2 Horizontal-flow Unit. A horizontal-flow free air discharge unit with both free air discharge and free air return. 3.18.3 Up-flow

39、Unit - Ducted. An up-flow ducted discharge unit with ducted discharge air and free air return. 3.18.4 Up-flow Unit Non-Ducted. An up-flow free air discharge unit with factory installed integral grill(s) and with both free air discharge and free air return. 3.19 Standard Rating Class. A class of equi

40、pment designed to perform at the Standard Rating Conditions. 3.20 Total Humidification Capacity. The units total humidification output without the mechanical cooling system operating at Standard Rating Conditions. ANSI/AHRI STANDARD 1361 (SI)-2016 4 Section 4. Classification 4.1 Normally, CDPR units

41、 within the scope of this standard shall be classified as shown in Table 1.Table 1. Classification of Computer and Data Processing Room Air Conditioners Designation AHRI Type1,2 Arrangement Indoor (ID) Arrangement Outdoor (OD) Air-cooled Indoor Package with Remote Condenser CSP-A4 CSP-A-FC4 EVAP ID

42、FAN COMP REHEAT3 HUMIDIFIER3 COND FAN COND REFRIGERANT PUMP3,6 Air-cooled Indoor Package with Remote Condensing Unit CRCU-A4 CRCU-A-FC4 EVAP ID FAN REHEAT3 HUMIDIFIER3 COND FAN COND COMP REFRIGERANT PUMP3,6 Air-cooled Indoor Package Self-Contained CSPS-A4 CSPS-A-FC4 EVAP ID FAN COND FAN COND COMP RE

43、HEAT3 HUMIDIFIER3 REFRIGERANT PUMP3,6 Fluid-cooled Indoor Package (attached to customer fluid heat rejection) CSP-W CSP-W-FC EVAP ID FAN COMP7 FLUID COND7 REHEAT3 HUMIDIFIER3 CUSTOMER COOLING TOWER OR DRY COOLER5 Indoor Fan Coil CFC-C COIL ID FAN REHEAT3 HUMIDIFIER3 CUSTOMER CHILLER Notes: 1. A suff

44、ix of “-O“ following any of the above classifications indicates equipment not intended for use with field-installed duct systems. 2. A suffix of “-A“ indicates air-cooled condenser, “-W“ indicates water-cooled or glycol-cooled condenser, “-C“ indicates indoor chilled-water coil, “-DX“ indicates indo

45、or refrigerant direct expansion coil, “-FC” indicates free cooling coil (may be additional), and “-R“ indicates indoor refrigerant coil. 3. Optional component. 4. For a ducted indoor condenser/condensing unit, append “-DD” and outdoor arrangement moves from outdoor side to indoor side. 5. For “-W“ p

46、roducts, outdoor arrangement can move from outdoor side to indoor side. 6. Refrigerant economizer pump may be indoors or outdoors and is only included in “-FC” units. 7. Component may be remote. ANSI/AHRI STANDARD 1361 (SI)-2016 5 Section 5. Test Requirements 5.1 Test Requirements. The tests require

47、d for this Standard shall be conducted in accordance with ANSI/ASHRAE Standard 127 with revisions shown below. 5.1.1 Horizontal-flow Free Air Discharge Unit. For these systems, the discharge air test duct shall be 12 inches wider on each side and equal in height to the discharge opening of the unit

48、under test. 5.1.2 Up-flow Ducted Discharge Unit Test Duct. For Up-flow Ducted Discharge Units where there is limited height in the test chamber, refer to Figure 1 for test duct requirements. If this test duct is used, deduct 75 Pa external static pressure from the rated static pressure. Figure 1. Li

49、mited Height Test Chamber Up-flow Unit Test Duct ANSI/AHRI STANDARD 1361 (SI)-2016 6 5.1.3 Total System Power Measurement. Total input system power, kW, shall be measured at the electrical source connection (e.g. main power circuit breaker(s), main power distribution block(s), main power disconnect(s) of the CRAC or CRAH under test. 5.1.4 Split Systems Interconnecting Piping. For air-cooled split systems, the interconnecting piping length shall be specified as per ANSI/AHRI Standard 340/360. 5.1.5 Humidification Capacity Test. The Humidification Capacity meas

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