AHRI 610 I-P-2014 Performance Rating Of Central System Humidifiers for Residential Applications.pdf

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1、 2014 Standard for Performance Rating Of Central System Humidifiers for Residential Applications AHRI Standard 610 (I-P) Price $10.00 (M) $20.00 (NM) Copyright 2014, by Air-Conditioning, Heating, and Refrigeration Institute Printed in U.S.A. Registered United States Patent and Trademark Office IMPOR

2、TANT 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 products be designed, constructed,

3、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 accepted industry practices. AHRI d

4、oes not certify or guarantee that any tests conducted under its standards/guidelines will be non-hazardous or free from risk. Note: This standard supersedes ANSI/AHRI Standard 610-2004. For SI ratings, see AHRI Standard 611 (SI)-2014. TABLE OF CONTENTS SECTION PAGE Section 1. Purpose 1 Section 2. Sc

5、ope . 1 Section 3. Definitions . 1 Section 4. Classifications . 3 Section 5. Test Requirements . 4 Section 6. Rating Requirements . 6 Section 7. Minimum Data Requirements for Published Ratings 7 Section 8. Operating Requirements 7 Section 9. Marking and Nameplate Data . 8 Section 10. Conformance Con

6、ditions. 8 TABLES Table 1. Classification of Central System Humidifiers . 3 Table 2. Standard Rating Conditions 6 Table 3. Additional Standard Rating Conditions 6 FIGURES Figure 1. Return Air or Supply Air (Duct or Plenum) and By-pass (Supply-to-Return) Test Section . 5 APPENDICES Appendix A. Refere

7、nces Normative 9 Appendix B. References Informative 9 Appendix C. Method of Measuring Airflow Rate Through a By-pass Humidifier Informative 10 FIGURES FOR APPENDICES Figure C1. By-pass (Supply) Humidifier Test Section for Airflow Rate Measurement . 10 Figure C2. By-pass (Return) Humidifier Test Sect

8、ion for Airflow Rate Measurement 10 _ AHRI STANDARD 610 (I-P)-2014 1 PERFORMANCE RATING OF RESIDENTIAL CENTRAL SYSTEM HUMIDIFIERS FOR RESIDENTIAL APPLICATIONS Section 1. Purpose 1.1 Purpose. The purpose of this standard is to establish for Residential Central System Humidifiers: definitions; classif

9、ications; 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,

10、 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 Central System Humidifiers, as defined in Section 3. 2.1.1 Energy Source. This standard applies to electrical

11、ly operated Central System Humidifiers that depend on the air stream of a central air system for moisture evaporation and distribution. 2.1.2 Installation. Central System Humidifiers are intended for installation in central air systems. 2.2 Exclusions. This standard does not apply to the following:

12、2.2.1 Self-contained Humidifiers as defined in ANSI/AHRI Standard 620 2.2.2 Portable Humidifiers as defined in ANSI/AHAM HU-1 2.2.3 Humidifiers for commercial and industrial applications as defined in ANSI/AHRI Standard 640 Section 3. Definitions All terms in this document will follow the standard i

13、ndustry definitions in the ASHRAE Wikipedia website (http:/wiki.ashrae.org/index.php/ASHRAEwiki) unless otherwise defined in this section. 3.1 Humidification Capacity. The capacity of a Central System Humidifier to add moisture to air expressed in gal/day of continuous operation. 3.2 Humidifier. A d

14、evice designed to add moisture to air. 3.2.1 Central System Humidifier (Humidifier). A class of Humidifier intended to be installed in or to discharge into the air stream of a central air system. It may be mounted in or on one of the following: 3.2.1.1 Return Air Duct (RD). A Humidifier that is conn

15、ected to a horizontal duct and has the function of returning humidified air to the central system. 3.2.1.2 Return Air Plenum (RP). A Humidifier that is connected to a vertical duct and has the function of returning humidified air to the central system. AHRI STANDARD 610 (I-P)-2014 _ 2 3.2.1.3. Suppl

16、y Air Duct (SD). A Humidifier that is connected to a horizontal duct and has the function of delivering humidified air from the central system. 3.2.1.4 Supply Air Plenum (SP). A Humidifier that is connected to a vertical duct and has the function of delivering humidified air from the central system.

17、 3.2.1.5 By-pass (Supply-to-Return) (SR). A Humidifier that is connected to a central system and obtains its energy through a duct from the supply or return of the system. 3.2.1.6 Heating or Cooling Unit (HC). An air-moving device used to supply heating and/or cooling to a residence or space. 3.3 Hu

18、midistat. A device that regulates moisture input by responding directly or indirectly to changes in the moisture content of the air. 3.4 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

19、 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 unit or published in specifications, advertising or other literature controlle

20、d by the manufacturer, at stated Rating Conditions. 3.4.1 Application Rating. A rating based on tests performed at application Rating Conditions (other than Standard Rating Conditions). 3.4.2 Standard Rating. A rating based on tests performed at Standard Rating Conditions. 3.5 Rating Conditions. Any

21、 set of operating conditions under which a single level of performance results and which causes only that level of performance to occur. 3.5.1 Standard Rating Conditions. Rating Conditions used as the basis of comparison for performance characteristics. 3.6 “Shall“ or “Should“. “Shall“ or “should” s

22、hall be interpreted as follows: 3.6.1 Shall. Where “shall“ or “shall not“ is used for a provision specified, that provision is mandatory if compliance with the standard is claimed. 3.6.2 Should. “Should“ is used to indicate provisions which are not mandatory but which are desirable as good practice.

23、 3.7 Standard Air. Air weighing 0.075 lb/ft3which approximates dry air at 70F and at a barometric pressure of 29.92 in. Hg. 3.8 Supplementary Heat. Heat used to enhance evaporation when used in the recirculating system or to heat the water for direct evaporation. _ AHRI STANDARD 610 (I-P)-2014 3 Sec

24、tion 4. Classifications 4.1 Classifications. Humidifiers within the scope of this standard shall be classified as shown in Table 1. Table 1. Classification of Central System Humidifiers Types of Central System Humidifiers Designation AHRI Type Arrangement Return Air Duct RD Horizontal duct returning

25、 air to central air system Humidifier Central air system Return Air Plenum RP Vertical duct returning air to central air system Humidifier Central air system Supply Air Duct SD Central air system Humidifier Horizontal duct delivering air from central air system Supply Air Plenum SP Central air syste

26、m Humidifier Vertical duct delivering air from central air system By-pass (Supply-to-Return) SR Horizontal / vertical duct returning air to central air system Humidifier Horizontal / vertical duct delivering air from central air system Heating or Cooling Unit HC Humidifier Central air system AHRI ST

27、ANDARD 610 (I-P)-2014 _ 4 Section 5. Test Requirements 5.1 Test Requirements. Published Ratings shall be verified by tests conducted in accordance with ANSI/ASHRAE Standard 164.1, except as noted below and as shown in Appendix C. 5.1.1 Section 6.3.1 of ANSI/ASHRAE Standard 164.1, Nozzle Construction

28、, shall apply, except that nozzles shall be sized for a throat velocity not less than 2800 ft/min nor more than 7000 ft/min. 5.1.2 Section 7.6.2 of ANSI/ASHRAE Standard 164.1, Supply-to-Return Test Section, shall apply, except that the supply-to-return test section shall be constructed as shown in F

29、igure 1. 5.1.3 Section 8.2 of ANSI/ASHRAE Standard 164.1, Test Requirements, shall apply, except that the locations of the planes shall be as shown in Figure 1. 5.1.4 Section 8.2.1.3 of ANSI/ASHRAE Standard 164.1, Water Supply, shall apply, except that the temperature of the feed water entering the

30、water control device shall be 60.0F 2.0F. 5.1.5 Section 8.2.1.4 of ANSI/ASHRAE Standard 164.1, Air Temperature and Pressure, shall apply, except that air pressure in the test plenum shall be 0.05 0.01 in H2O below atmospheric pressure. 5.1.6 Section 8.2.2.1.e of ANSI/ASHRAE Standard 164.1, Test Appa

31、ratus, shall apply, except that the humidifier test section shall be as shown in Figure 1. 5.1.7 Section 8.2.3.1.e of ANSI/ASHRAE Standard 164.1, Test Apparatus, shall apply, except that the humidifier test section shall be as shown in Figure 1. 5.1.8 Section 8.2.4.c of ANSI/ASHRAE Standard 164.1, S

32、upply-to-Return Test Method, shall apply, except that surfaces of the supply and return plenums shall be as shown in Figure 1. 5.1.9 Section 8.2.4.1.e of ANSI/ASHRAE Standard 164.1, Test Apparatus, shall apply, except that the humidifier test section shall be as shown in Figure 1. 5.2 Equipment. Hum

33、idifiers shall be tested using all components as specified by the manufacturer. 5.3 Electrical Conditions. For all dual nameplate voltage equipment covered by this standard, tests shall be performed at both voltages or at the lower voltage if only a single rating is to be published. _ AHRI STANDARD

34、610 (I-P)-2014 5 Figure 1. Return Air or Supply Air (Duct or Plenum) and By-pass (Supply-to-Return) Test Section AHRI STANDARD 610 (I-P)-2014 _ 6 Section 6. Rating Requirements 6.1 Published Ratings. Published Ratings shall include Humidification Capacity, power input, energy input of Supplementary

35、Heat, and air pressure drop across the Humidifier. Humidification Capacity shall be expressed in terms of gal/day and stated to the nearest 0.1 gal/day. Power input shall be expressed in Watts stated to the nearest 5 Watts. Energy input of Supplementary Heat shall be expressed in Btu/h or Watts stat

36、ed to the nearest increments of 100 Btu/h or 30 Watts. Air pressure drop across the Humidifier shall be expressed in terms of in H2O stated to the nearest increment of 0.01 in H2O. = 1 Where: HM= Humidification Rate in lb/h, from Equation 18 in ASHRAE Standard 164.1-2012 = 8.34, lb/gal t = 24, hr 6.

37、2 Standard Ratings. Ratings based on data determined by the test requirements prescribed in Section 5 shall be published as Standard Ratings when conducted at the following Standard Rating Conditions as shown in Table 2. Table 2. Standard Rating Conditions1Standard Rating Conditions Air Velocity, fp

38、m 800 Water pressure entering water control valve, psi 60.0 Water temperature entering water control valve, F 60.0 2.0 Supplementary Heat (Water) Test Conditions Water pressure entering water control valve, psig 15.0 5.0 Water temperature entering water control valve, F 120.0 Supplementary Heat (Ste

39、am) Test Conditions Steam pressure entering water control valve, psig 2.0 Note 1: Lower velocity may be used if so recommended by the manufacturer. The air velocity in the return air plenum or return air duct shall be maintained at 800 fpm or the manufacturers recommendation based on 75.0F dry-bulb

40、and 56.5F wet-bulb at the temperature and pressure measuring station, with an allowable test tolerance of 20 fpm. The air velocity in the supply air plenum shall be that which occurs as a result of maintaining the specified air velocity in the return air plenum. 6.2.3 Additional Standard Rating Cond

41、itions. In addition, Standard Rating Conditions shall include the applicable additional Standard Rating Conditions, as shown in Table 3, depending upon the specific test method used to determine Humidification Capacity as described in ANSI/ASHRAE Standard 164.1. Where a heating only central air syst

42、em is involved, 120.0F dry-bulb temperature shall be established at the Supply Air Plenum prior to allowing water to enter the Humidifier. Table 3. Additional Standard Rating Conditions Return Air Duct and Return Air Plenum Dry-bulb air temperature entering test section, F 75.0 Wet-bulb air temperat

43、ure entering test section, F 56.5 Air pressure in test section, in H2O below atmospheric pressure 0.05 Supply Air Duct and Supply Air Plenum Dry-bulb air temperature entering test section, F 120.0 Air pressure in test section, in H2O above atmospheric pressure 0.15 By-pass (Supply-to-Return) Dry-bul

44、b air temperature entering Return Air Plenum, F 75.0 Wet-bulb air temperature entering Return Air Plenum, F 56.5 Dry-bulb air temperature entering Supply Air Plenum, F 120.0 Air pressure in Return Air Plenum, in H2O below atmospheric pressure 0.05 Air pressure in Supply Air Plenum, in H2O above atmo

45、spheric pressure 0.15 _ AHRI STANDARD 610 (I-P)-2014 7 6.3 Application Ratings. Ratings based on data determined by test requirements prescribed in Section 5 and conducted using Rating Conditions other than those specified in Table 2 shall be published as Application Ratings. 6.4 Tolerances. To comp

46、ly with this standard, measured test results shall not be less than 95% of the Published Ratings for Humidification Capacity and shall not exceed 110% of Published Ratings for power input or energy input of Supplementary Heat. Where Supplementary Heat (water) is used, the energy input from this sour

47、ce shall not be more than the rated power input. Section 7. Minimum Data Requirements for Published Ratings 7.1 Minimum Data Required for Published Ratings. As a minimum, Published Ratings shall consist of the following information: 7.1.1 Humidification Capacity, gal/day 7.1.2 Power input, W 7.1.3 E

48、nergy input of Supplementary Heat, Btu/h or W (where Supplementary Heat is used) As a minimum, Published Ratings shall include all Standard Ratings. All claims to ratings within the scope of this standard shall include the statement “Rated in accordance with AHRI Standard 610 (I-P)”. All claims to ratings outside the scope of this sta