1、 2005 STANDARD for 4100 N. FAIRFAX DR., SUITE 200 ARLINGTON, VIRGINIA 22203 PERFORMANCE RATING OF AIR-TO- AIR HEAT EXCHANGERS FOR ENERGY RECOVERY VENTILATION EQUIPMENT Standard 1060 Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARI Not for ResaleNo reprodu
2、ction 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/guideline. It i
3、s 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/guidelines empl
4、oying 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 from risk. ARI CERTIFICATION PROGRAM PROVISIONS Scope of the Certification Program The certification program includes Air-to
5、-Air Heat Exchangers for use in Air-to-Air Energy Recovery Ventilation Equipment, rated at or above 50 scfm but below or equal to 5,000 scfm at ARI Standard Rating Conditions. In addition, Air-to-Air Heat Exchangers for use in Energy Recovery Ventilation Equipment rated above 5,000 scfm are included
6、 if the participants basic model group(s) for those models include at least one model rated at or above 50 scfm but below or equal to 5,000 scfm. This certification program does not include heat exchangers joined by circulated heat transfer medium (run-around loop). Certified Ratings The following c
7、ertification program ratings are verified by test: 1. Airflow, scfm 2. Pressure Drop, in H2O 3. Sensible Effectiveness (at 100% and 75% rated airflow for heating and cooling conditions) 4. Latent Effectiveness (at 100% and 75% rated airflow for heating and cooling conditions) 5. Total Effectiveness
8、(at 100% and 75% rated airflow for heating and cooling conditions) 6. Exhaust Air Transfer Ratio, Outdoor Air Correction Factor, and Purge Angle or Setting (if applicable) at 0.00 in H2O and two or more pressure differentials 7. Tilt Angle, o, (at heating and cooling conditions, if applicable) Note:
9、 This standard supersedes ARI Standard 1060-2001. Price $10.00 (M) $20.00 (NM) Copyright 2005, by Air-Conditioning and Refrigeration Institute Printed in U.S.A. United States Patent and Trademark Office Registered Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license w
10、ith ARI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE OF CONTENTS SECTION PAGE Section 1. Purpose1 Section 2. Scope.1 Section 3. Definitions 1 Section 4. Test Requirements 4 Section 5. Rating Requirements.5 Section 6. Minimum Data Requirements for Published
11、 Ratings .6 Section 7. Marking and Nameplate Data .7 Section 8. Conformance Conditions 7 TABLES Table 1. Standard Rating Conditions 4 APPENDICES Appendix A. References - Normative 8 Appendix B. References - Informative.8 Appendix C. Calculation of Effectiveness - Normative.9Copyright Air-Conditionin
12、g and Refrigeration Institute Provided by IHS under license with ARI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ARI STANDARD 1060-2005 2 PERFORMANCE RATING OF AIR-TO-AIR HEAT EXCHANGERS FOR ENERGY RECOVERY VENTILATION EQUIPMENT Section 1. Purpose 1.1 Purpose.
13、The purpose of this standard is to establish for Air-to-Air Heat Exchangers intended for use in Air-to-Air Energy Recovery Ventilation Equipment: definitions; test requirements; rating requirements; minimum data requirements for Published Ratings; marking and nameplate data; and conformance conditio
14、ns. 1.1.1 Intent. This standard is intended for the guidance of the industry, including manufacturers, designers, 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
15、to factory-made Air-to-Air Heat Exchangers for use in Air-to-Air Energy Recovery Ventilation Equipment as defined in Section 3. 2.2 Exclusions. This standard does not apply to the rating and testing of heat exchangers joined by circulated heat transfer medium (run-around loop). A run-around loop emp
16、loys liquid-containing coils connected in a closed loop and placed in each of two or more airstreams. 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 Refrigerat
17、ion and ASHRAE Standard 84, unless otherwise defined in this section. 3.1 Air-to- Air Energy Recovery Ventilation Equipment (AAERVE). Energy recovery components and packaged energy recovery ventilation units which employ Air-to-Air Heat Exchangers to recover energy from exhaust air for the purpose o
18、f pre-conditioning outdoor air prior to supplying the conditioned air to the space, either directly or as part of an air-conditioning (to include air heating, air cooling, air circulating, air cleaning, humidifying and dehumidifying) system. 3.2 Air-to-Air Heat Exchanger. A device that transfers hea
19、t from an exhaust airstream to a separated supply airstream. Air-to-Air Heat Exchangers are also referred to as energy recovery components. 3.2.1 Heat Pipe Heat Exchanger. A device employing tubes charged with a fluid for the purpose of transferring sensible energy from one airstream to another. Hea
20、t transfer takes place through the vaporization of the fluid exposed to the warmer airstream and condensation of the fluid in the cooler airstream. 3.2.2 Plate Heat Exchanger. A device for the purpose of transferring energy (sensible or total) from one airstream to another with no moving parts. This
21、 exchanger may incorporate parallel, cross or counter flow construction or a combination of these to achieve the energy transfer. 3.2.3 Rotary Heat Exchanger. A device incorporating a rotating cylinder or wheel for the purpose of transferring energy (sensible or total) from one airstream to the othe
22、r. It incorporates heat transfer material, a drive mechanism, a casing or frame, and includes any seals which are provided to retard the bypassing and leakage of air from one airstream to the other. 3.3 Effectiveness. The measured energy recovery Effectiveness not adjusted to account for that portio
23、n of the psychrometric change in the Leaving Supply Airflow that is the result of leakage of Entering Exhaust Airflow rather than exchange of heat or moisture between the airstreams. The equation for determining Effectiveness is given in Appendix C. Copyright Air-Conditioning and Refrigeration Insti
24、tute Provided by IHS under license with ARI Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ARI STANDARD 1060-2005 3 3.4 Exhaust Airflow. Airflow leaving the conditioned space. 3.4.1 Entering Exhaust Airflow (Return Air). The exhaust airstream before passing throug
25、h the heat exchanger, shown as Station 3 in ASHRAE Standard 84. 3.4.2 Leaving Exhaust Airflow (Exhaust Air to Outside). The exhaust airstream after passing through the heat exchanger, shown as Station 4 in ASHRAE Standard 84. 3.5 Exhaust Air Transfer Ratio (EATR). The tracer gas concentration differ
26、ence between the Leaving Supply Airflow and the Entering Supply Airflow divided by the tracer gas concentration difference between the Entering Exhaust Airflow and the Entering Supply Airflow at the 100% rated airflows, expressed as a percentage. The equation for EATR is given in Appendix C. 3.6 Net
27、 Effectiveness. The measured energy recovery Effectiveness adjusted to account for that portion of the psychrometric change in the Leaving Supply Airflow that is the result of leakage of Entering Exhaust Airflow rather than exchange of heat or moisture between the airstreams. The derivation of Net E
28、ffectiveness is given in Appendix C. 3.7 Outdoor Air Correction Factor (OACF). The Entering Supply Airflow divided by the measured (gross) Leaving Supply Airflow. 3.8 Pressure Differential . The difference in pressure between two specific points in two separate airstreams (i.e. supply airflow static
29、 pressure verses exhaust airflow static pressure). 3.9 Pressure Drop. Pressure Drop through the heat exchanger shall be expressed as the difference in static pressure between the Entering Supply Airflow and the Leaving Supply Airflow. 3.10 Published Rating. A statement of the assigned values of thos
30、e performance characteristics, under stated Rating Conditions, by which a unit may be chosen for its application. These values apply to all Air-to-Air Heat Exchangers for use in Energy Recovery Ventilation Equipment of like size and type (identification) produced by the same manufacturer. The term P
31、ublished 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. 3.10.1 Application Rating. A rating based on tests performed at application Rating Con
32、ditions (other than Standard Rating Conditions). 3.10.2 Standard Rating. A rating based on tests performed at Standard Rating Conditions. 3.11 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
33、. 3.11.1 Standard Rating Conditions. Rating Conditions used as the basis of comparison for performance characteristics. 3.12 “Shall” or “Should.” “Shall” or “should” shall be interpreted as follows: 3.12.1 Shall. Where “shall” or “shall not” is used for a provision specified, that provision is manda
34、tory if compliance with the standard is claimed. 3.12.2 Should. “Should” is used to indicate provisions which are not mandatory but which are desirable as good practice. 3.13 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
35、in Hg 101.3 kPa. 3.14 Supply Airflow. The outdoor airflow, also referred to as rated airflow. 3.14.1 Entering Supply Airflow. The Supply Airflow before passing through the heat exchanger, also referred to as outdoor air, and defined in ASHRAE Standard 84 as Station 1. 3.14.2 Leaving Supply Airflow.
36、The Supply Airflow after passing through the heat exchanger, and defined in ASHRAE Standard 84 as Station 2. 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 1
37、060-2005 4 3.15.3 Net Supply Airflow. That portion of the Leaving Supply Airflow that originated as Entering Supply Airflow. The Net Supply Airflow is determined by subtracting air transferred from the exhaust side of the heat exchanger from the gross airflow measured at the Supply Airflow leaving t
38、he heat exchanger and is given by the equation: Net Supply Airflow = Leaving Supply Airflow (1 - EATR) Section 4. Test Requirements 4.1 Test Requirements. All Standard Ratings shall be verified by tests conducted in accordance with ASHRAE Standard 84 at the Standard Rating Conditions in Table 1, exc
39、ept where modified by this standard. 4.2 Test Set-Up. 4.2.1 Heat Pipe Heat Exchangers. For the purpose of rating, the tilt angle of Heat Pipe Heat Exchangers shall be as specified by the manufacturer. The tilt angle may change between heating and cooling conditions provided that a mechanism to do so
40、 is provided by the manufacturer. 4.2.2 Rotary Heat Exchangers. 4.2.2.1 General. For the purpose of rating, drive motors used in Rotary Heat Exchangers shall be placed in the airstream as specified by the manufacturer. All Standard Ratings, under both heating and cooling conditions, shall be measure
41、d with the drive motor in the same location. In addition, the heat exchanger shall rotate at the speed specified by the manufacturer. Table 1. Standard Rating Conditions Conditions Item Heating Cooling 1. Entering supply airflow temperature a. Dry-bulb b. Wet-bulb 35F 1.7C 33F 0.6C 95F 35C 78F 26C 2
42、. Entering exhaust air temperature a. Dry-bulb b. Wet-bulb 70F 21C 58F 14C 75F 24C 63F 17C 3. Leaving Supply Airflow, scfm m3/s 100% of the rated airflow(s) 75% of the rated airflow(s) 4. Entering Exhaust Airflow (Return Air), scfm m3/s Same rate as Leaving Supply Airflow* 5. Pressure Differential,
43、leaving supply airflow static pressure minus entering exhaust (return) airflow static pressure, for effectiveness tests 0.00 in H2O 0.00 Pa 6. Pressure Differential, leaving supply airflow static pressure minus entering exhaust (return) airflow static pressure, for outdoor air correction factor test
44、s and tracer gas tests of Exhaust Air Transfer Ratio (1) 0.00 in H2O 0.00 Pa and (2) manufacturers choice of two or more of the following: -5.00, -3.00, -1.00, -0.50, 0.50, 1.00, 3.00, 5.00 in H2O -1250, -750, -250, -120, 120, 250, 750, 1250 Pa * Adjustments to balance the airflows shall be made at
45、the Standard Rating Conditions (i.e., temperatures), just prior to data acquisition. 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 1060-2005 5 4.2.2.2 Adjus
46、table Purge. For the purpose of rating, if an adjustable purge is provided, it shall be set at the manufacturers specified purge angle or setting. The purge angle or setting may vary between different tests; however, Standard Ratings of Effectiveness shall be measured using the same purge angle or s
47、etting used when measuring Standard Ratings of Exhaust Air Transfer Ratio and Outdoor Air Correction Factor at the required zero pressure differential condition (see Table 1). 4.3 Testing Tolerances. For the test to be valid, it shall meet all the requirements of this section. 4.3.1 Airflow and Pres
48、sure. For the purpose of rating, measured airflow shall remain within a tolerance of 1.5% or 5 scfm 0.002 m3/s, whichever is greater, for the duration of the test. For the purpose of rating for a zero pressure differential, the average differential shall be between +0.010 in H2O 2.5 Pa and 0 in H2O
49、0 Pa, and no reading shall be above 0.050 in H O 12.5 Pa or below -0.050 in H O -12.5 Pa2 2. For the purpose of rating for non-zero pressure differentials, measured pressures shall remain within a tolerance of 0.050 in H2O 12.5 Pa. 4.3.2 Stability. Neither sensible nor latent Effectiveness shall exhibit a trend up or down for the duration of th
