1、 2004 STANDARD for 4100 N. FAIRFAX DR., SUITE. 200 ARLINGTON, VIRGINIA 22203 PERFORMANCE RATING OF COMMERCIAL AND INDUSTRIAL AIR FILTER EQUIPMENT Standard 850 Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARINot for ResaleNo reproduction or networking perm
2、itted 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 according with this standard/guideline. It is strongly recommended th
3、at 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/guidelines employing state-of-the-art an
4、d accepted industry practices. ARI 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 ARI Standard 850-93. Price $16.00 (M) $32.00 (NM) Copyright 2004, by Air-Conditioning and Refrigeration Ins
5、titute 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 SECTION PAGE Section 1. Purp
6、ose .1 Section 2. Scope.1 Section 3. Definitions 1 Section 4. Classifications.2 Section 5. Test Requirements 3 Section 6. Rating Requirements 4 Section 7. Minimum Data Requirements for Published Ratings .5 Section 8. Operating Requirements .5 Section 9. Marking and Nameplate Data .5 Section 10. Conf
7、ormance Conditions 5 APPENDICES Appendix A. References Normative6 Appendix B. References Informative6 Appendix C. Method of Test for Ozone Concentration for Group III Air Filter Equipment Normative .7 Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARINot fo
8、r ResaleNo reproduction or networking permitted without license from IHS-,-,-Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ARI STANDARD 850-2004 1 PERFORMANCE RATING OF C
9、OMMERCIAL AND INDUSTRIAL AIR FILTER EQUIPMENT Section 1. Purpose 1.1 Purpose. The purpose of this standard is to establish for commercial and industrial Air Filter Equipment: definitions; classifications; test requirements; rating requirements; minimum data requirements for Published Ratings; markin
10、g 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 subject to review and amendment as technology advances. Sect
11、ion 2. Scope 2.1 Scope. This standard applies to factory-made Air Filter Equipment and Air Filter Media as used in such equipment, for removing particulate matter, when used in environmental conditioning of inhabited spaces in commercial and industrial facilities. 2.2 Exclusions. This standard does
12、not apply to the following: 2.2.1 Air Filter Equipment and Air Filter Media for removing particulate matter, when used in industrial or commercial processes not associated with environmental conditioning of inhabited space. 2.2.2 Air Filter Equipment when used in removing abnormally high concentrati
13、ons of specific contaminants. 2.2.3 Appliances which include Air Filter Equipment in combination with fans, coils, dampers, etc., but can be applied to the Air Filter Equipment as used therein. 2.2.4 Residential air filter equipment covered by ARI Standard 680. 2.2.5 This standard is not intended to
14、 apply to HEPA Filters. Section 3. Definitions All terms in this document shall follow the standard industry definitions in the current edition of ASHRAE Terminology of Heating, Ventilation, Air Conditioning and Refrigeration unless otherwise defined in this section.3.1 Air Filter Equipment. Air cle
15、aning equipment used for removing particulate matter. 3.2 Air Filter Media. The part of the Air Filter Equipment which is the actual particulate removing agent. In the case of Group III equipment (Section 4), the terms charging section and/or collecting section shall be used. 3.3 Average Atmospheric
16、 Dust Spot Efficiency. The average value of the dust-spot efficiencies made on a single filter during the loading test, weighted by dust fed to the filter during the intervals between successive dust-spot tests. 3.4 Average Synthetic Dust Weight Arrestance. The average value of arrestances made on a
17、 single filter during the loading test, weighted by the synthetic dust fed to the filter between successive arrestance measurements. 3.5 Dust Holding Capacity. For disposable and manually renewable devices, the average arrestance multiplied by the amount of ASHRAE dust fed to the device measured to
18、the nearest gram. Dust is fed until either of these conditions occurs: a. The resistance of the device reaches the Rated Final Resistance. b. Two consecutive arrestance measurements are less than 85% of the maximum arrestance measured during the run. In this case, the Dust-Holding Capacity shall not
19、 include dust captured during or after a feed increment in which arrestance has fallen below 85% of the maximum value. c. The arrestance is less than 75% of the peak value. 3.6 HEPA Filter (High Efficiency Particulate Air). A disposable extended media dry-type filter in a rigid frame having minimum
20、particle-collection efficiency of 99.97% for 0.3 micron thermally-generated dioctyl phthalate (DOP) particles (as measured in accordance with MIL-STD 282). 3.7 Initial Atmospheric Dust Spot Efficiency. The initial measure of the ability of the device to remove atmospheric dust from the test air. The
21、 measurement is made by Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ARI STANDARD 850-2004 2 comparing the light transmission of stains on paper targets sampling air ups
22、tream and downstream of the device. 3.8 Initial Resistance. The resistance of the device with no dust load, operating at its rated flow. 3.9 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
23、 the application. These values apply to all units of like nominal capacity and type (identification) 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 ot
24、her literature controlled by the manufacturer, at stated Rating Conditions. 3.9.1 Application Rating. A rating based on tests performed at application Rating Conditions (other than Standard Rating Conditions). 3.9.2 Standard Rating. A rating based on tests performed at Standard Rating Conditions. 3.
25、10 Rated Final Resistance. The maximum operating resistance at which the device should be replaced or renewed, as recommended by the manufacturer. 3.11 Rating Conditions. Any set of operating conditions under which a single level of performance results and which causes only that level of performance
26、 to occur. 3.11.1 Standard Rating Conditions. Rating Conditions used as the basis of comparison for performance characteristics. 3.12 Sealing Means. Edge seals to prevent air by-pass under maximum rated operating conditions. 3.13 “Shall“ or “Should.“ “Shall“ or “should“ shall be interpreted as follo
27、ws: 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 claimed. 3.13.2 Should. “Should“ is used to indicate provisions which are not mandatory but which are desirable as good practice. 3.14 Standard Equipment.
28、The minimum assembly of components required to qualify equipment within one of the classification groups. 3.15 Support. The means necessary to support the Air Filter Media in the air stream and to prevent air bypass around the filter assembly under maximum rated operating conditions. Section 4. Clas
29、sifications 4.1 Groups. For the purpose of this standard, Air Filter Equipment and Air Filter Media are classified into groups: Group I - Unit or panel Group II - Extended surface Group III - Electronic air cleaner Group IV - Air Filter Media Group V - Self-cleaning, self-renewable, or any combinati
30、on thereof 4.2 Descriptions. 4.2.1 Group I. This group of filters shall include unit or panel type air cleaners. Equipment of this type is characterized by flat shallow assemblies in which the velocity of the air stream approaches the velocity through the Air Filter Media. The equipment may be of th
31、e permanent cleanable type, or of the disposable non-renewable type, and may be dry or viscous-coated. Viscous impingement filters are included in this group. 4.2.2 Group II. This group of filters shall include extended surface types. Equipment of this type is characterized by pleated or pocket conf
32、iguration, wherein the approach velocity of the air stream is substantially greater than the velocity through the Air Filter Media. The equipment may be of the cleanable type or of the disposable type and may be dry or viscous-coated. 4.2.3 Group III. This group of filters shall include electronic a
33、ir cleaners. Equipment of this type uses high voltage electrostatic principles to collect particulate matter. These filters may be of single-stage or multiple-stage configuration. Part or all of the charging and/or collecting sections may be manually cleanable, automatically cleanable, or disposable
34、. 4.2.4 Group IV. This group shall include all media used for Group I, II, III, or V. Air Filter Media is one component part of Air Filter Equipment; therefore, performance ratings cannot be applied to Air Filter Media alone, but only to Air Filter Equipment in which the media component has been tes
35、ted. This group is identified for classification purposes only. 4.2.5 Group V. This group of filters shall include self-cleaning, self-renewable, or any combinations Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARINot for ResaleNo reproduction or networki
36、ng permitted without license from IHS-,-,-ARI STANDARD 850-2004 3 thereof. Equipment of this type is characterized by their automatic, semi-automatic or manual cleaning and/or renewal mechanism. These may include disposable moving curtains, self-cleaning stationary curtains or self-cleaning moving c
37、urtains. 4.3 Standard Equipment. Standard and optional Equipment for Groups I, II, III, and V are specified in this section. 4.3.1 Equipment which is classified as Group I or II filters shall consist of: a. Air Filter Media b. Support c. Sealing Means 4.3.2 Equipment which is classified as Group III
38、 filters shall consist of: a. High voltage power supply - A means of supplying high voltage for the Air Filter Equipment. b. Support c. Safety controls - A means of positively breaking line voltage power to the device. d. Operating controls e. Collecting section - A means of collecting particulate m
39、atter. Examples are: 1. Electrically charged plates which may be viscous coated and which may require periodic cleaning. 2. Electrically charged plates which hold the collected particles plus a secondary downstream filter which collects the reentrained particles. 3. Media and electrically charged ac
40、tive and/or passive grid(s). f. Charging section (multi-stage equipment only) - The section of the equipment which imparts an electrical charge to the particulate matter. g. Connectors - A means of transferring high voltage from the power source to the collecting and charging section. 4.3.3 Equipmen
41、t which is classified as Group V filters shall consist of: a. Air Filter Media b. Support c. Sealing Means d. Renewal and/or cleaning means e. Operating controls (for automatic equipment only) - manual and/or automatic means for initiating and terminating the renewal or cleaning cycle. 4.3.4 Optiona
42、l Equipment. Optional equipment may include: viscous coatings, frames, automatic control systems, wash accessories or washing systems, pre-filters or after-filters. Section 5. Test Requirements 5.1 Method of Test for Rating. Testing of Groups I, II, III, and V Air Filter Equipment shall be in accord
43、ance with ASHRAE Standard 52.1, unless modified below. The equipment shall be tested in accordance with the operating procedure recommended by the manufacturer. Air Filter Equipment in Group V shall be tested using the test program for dust loading effects specified for self-renewable equipment desi
44、gned to control primarily the resistance of the equipment at or within pre-established limits (12.3.2 of ASHRAE Standard 52.1). This standard does not require that the atmospheric dust spot efficiency test be actually conducted on all Air Filter Equipment; those designated by the manufacturer as hav
45、ing less than 20% atmospheric dust spot efficiency need not be subjected to this test. 5.1.1 Equipment Preparation. The complete air cleaning equipment shall be prepared in accordance with the manufacturers recommendations. Preparation shall include: a. Application (type, amount and method) of visco
46、us coating b. Proper mounting of the equipment to ensure the flow of air through the filtering media c. All Group III equipment shall be run-in for a period of 24 hours prior to test by applying rated nameplate voltage to the device d. Any other preparations that are recommended by the manufacturer
47、in order to demonstrate the devices intended performance. Airflow across the equipment is not required during the run-in period. 5.1.2 Multiple Airflow Rates. When equipment is intended to operate at more than one velocity or airflow rate, the equipment shall be tested at those alternate velocities
48、or airflow rates for which Standard Ratings are published by the manufacturer. 5.2 Method of Testing for Ozone Concentration. Group III Air Filter Equipment shall be tested for ozone Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARINot for ResaleNo reprodu
49、ction or networking permitted without license from IHS-,-,-ARI STANDARD 850-2004 4 concentration in accordance with Appendix C of this standard. Section 6. Rating Requirements 6.1 Published Ratings. All Published Ratings shall include Standard Ratings and Standard Rating Conditions, but may also include Application Ratings where a statement of conditions of temperature, humidity, and airflow rate, as
