AHRI 390-2003 Performance Rating of Single Package Vertical Air-Conditioners and Heat Pumps.pdf

1、 2003 Standard for Performance Rating of Single Package Vertical Air-Conditioners And Heat Pumps ANSI/AHRI Standard 390-2003 (Formerly ARI Standard 390-2003) Price $10.00 (M) $20.00 (NM) Copyright 2003, by Air-Conditioning, Heating, and Refrigeration Institute Printed in U.S.A. Registered United Sta

2、tes Patent 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 tha

3、t 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. AHRI uses its best efforts to develop standards/guidelines employing state-of-the-art an

4、d accepted industry practices. AHRI 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 390-2001. TABLE OF CONTENTS SECTION PAGE Section 1. Purpose.1 Section 2. Scope 1 Section 3. Definition

5、s .1 Section 4. Classifications 3 Section 5. Test Requirements 3 Section 6. Rating Requirements5 Section 7. Minimum Data Requirements for Published Ratings 6 Section 8. Operating Requirements 8 Section 9. Marking and Nameplate Data 10 Section 10. Conformance Conditions .10 TABLES Table 1. Classifica

6、tion of Single Package Vertical Air-Conditioner 3 Table 2. Classification of Single Package Vertical Heat Pump .3 Table 3. Conditions for Standard Rating Tests and Operating Requirements .4 Table 4. External Static Pressure .4 Table 5. Values of Standard Capacity Ratings .5 FIGURES Figure 1. Part-Lo

7、ad Factor Curve .7 APPENDICES Appendix A. References Normative. 11 Appendix B. References Informative . 11 Appendix C. Integrated Part-Load Value (IPLV) Calculation Example Normative 12 TABLES FOR APPENDICES Table C1. IPLV Calculation Example 13 FIGURES FOR APPENDICES Figure C1. Part-Load Factor Exa

8、mple .14 ANSI/AHRI STANDARD 390-2003 1 PERFORMANCE RATING OF SINGLE PACKAGE VERTICAL AIR-CONDITIONERS AND HEAT PUMPS Section 1. Purpose 1.1 Purpose. The purpose of this standard is to establish, for Single Package Vertical Air-Conditioners and Heat Pumps: definitions; classifications; test requireme

9、nts; 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, contractors and users.

10、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-assembled commercial or industrial Single Package Vertical Air-Conditioner and Heat Pump equipment as defined in Section 3. 2.1.1 Applicab

11、ility. AHRI Standard 210/240 (formerly ARI Standard 210/240) and AHRI Standard 340/360 (formerly ARI Standard 340/360) shall not apply to commercial or industrial equipment covered by this Standard. 2.1.2 Energy Source. This standard applies to electrically operated, vapor-compression refrigeration

12、systems. 2.1.3 Installation. The Single Package Vertical Air-Conditioner and Heat Pump is intended for ducted or non-ducted installation with field or factory supplied grilles. Section 3. Definitions All terms in this document shall follow the standard industry definitions in the current edition of

13、ASHRAE Terminology of Heating, Ventilation, Air Conditioning and Refrigeration unless otherwise defined in this section. 3.1 Coefficient of Performance (COP). A ratio of Cooling/Heating Capacity in watts W to the power input values in watts W at any given set of Rating Conditions expressed in watts/

14、watt W/W. For heating CO P, 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 change in air enthalpy which includes bo

15、th 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 Defrost Range. Ambient conditions such that a heat pump operating in the hea

16、ting mode will develop frost on the outdoor coil to the extent that temperature ranges/tolerances specified in Table 4 of ANSI/ASHRAE Standard 37 will be exceeded. ANSI/AHRI STANDARD 390-2003 2 3.4 Energy Efficiency Ratio (EER). A ratio of the Cooling Capacity in Btu/h to the power input values in w

17、atts at any given set of Rating Conditions expressed in Btu/(Wh). 3.4.1 Standard Energy Efficiency Ratio. A ratio of the capacity to power input value obtained at Standard Rating Conditions. 3.5 Heating Capacity. The capacity associated with the change in dry-bulb temperature expressed in Btu/h W. 3

18、.6 Integrated Part-Load Value (IPLV). A single number part-load efficiency figure of merit calculated per the method described in this standard. 3.7 Published Rating. A statement of the assigned values of those performance characteristics, under stated Rating Conditions, by which a unit may be chose

19、n to fit its application. These values apply to all units of like nominal size 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 o

20、r other literature controlled by the manufacturer, at stated Rating Conditions. 3.7.1 Application Rating. A rating based on tests performed at application Rating Conditions (other than Standard Rating Conditions). 3.7.2 Standard Rating. A rating based on tests performed at Standard Rating Conditions

21、. 3.8 Rating Conditions. Any set of operating conditions under which a single level of performance results and which causes only that level of performance to occur. 3.8.1 Standard Rating Conditions. Rating Conditions used as the basis of comparison for performance character-istics. 3.9 “Shall“ or “S

22、hould“. “Shall“ or “should“ shall be interpreted as follows: 3.9.1 Shall. Where “shall“ or “shall not“ is used for a provision specified, that provision is mandatory if compliance with the standard is claimed. 3.9.2 Should. “Should“ is used to indicate provisions which are not mandatory but which ar

23、e desirable as good practice. 3.10 Single Package Vertical Air-Conditioner (SPVAC). A type of air-cooled small or large commercial package air conditioning and heating equipment; factory assembled as a single package having its major components arranged vertically, which is an encased combination of

24、 cooling and optional heating components. This equipment is intended for exterior mounting on, adjacent interior to, or through, an outside wall; and is powered by single or three phase current. It may contain separate indoor grille(s), outdoor louvers, various ventilation options, indoor free air d

25、ischarge, ductwork, wall plenum or sleeve. Heating components may include electrical resistance, steam, hot water, gas or no heat, but may not include reverse cycle refrigeration as a heating means. 3.10.1 SPVAC Functions. SPVAC, either alone or in combination with a heating plant, shall provide air

26、-circulation, air-cleaning, cooling with controlled temperature and dehumidification, and may optionally include the function of heating and possible humidifying and ventilation. 3.11 Single Package Vertical Heat Pump (SPVHP). A SPVAC that utilizes reverse cycle refrigeration as its primary heat sou

27、rce, with secondary supplemental heating by means of electrical resistance, steam, hot water or gas. 3.12 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 in Hg 101.3 kPa. ANSI/AHRI STANDARD 390-2003 3 Section 4. Classificat

28、ions Equipment covered within the scope of this standard shall be classified as shown in Tables 1 and 2. Section 5. Test Requirements 5.1 Test Requirements. All Standard Ratings shall be established at the Standard Rating Conditions specified in 5.2 and shall be verified by tests conducted in accord

29、ance with ANSI/ASHRAE Standard 37. 5.2 Standard Rating Tests. Table 3 indicates the tests and test conditions which are required to determine values of standard capacity ratings and energy efficiency. 5.2.1 Electrical Conditions. Nameplate voltages are shown in Table 1 of AHRI Standard 110 (formerly

30、 ARI Standard 110). Standard Rating Tests shall be performed at the nameplate rated voltage and frequency unless otherwise specified in this standard. For equipment which is rated with 208/230 dual nameplate voltages and less than 65,000 Btu/h 19 000 W cooling, Standard Rating Tests shall be perform

31、ed at 230 V. For all other dual nameplate voltage equipment covered by this standard, the Standard Rating Tests shall be performed at both voltages or at the lower voltage if only a single Standard Rating is to be published. 5.2.2 Indoor-Side Airflow Rate. A Standard Rating shall be determined at an

32、 indoor-side airflow rate as outlined below. Airflow rates shall be expressed in cfm m3/s of Standard Air. a. Ducted equipment shall be tested at the airflow rate delivered when operating against the minimum external static pressure specified in Table 4 or at a lower airflow rate if so specified by

33、the manufacturer. Non-filtered ducted equipment shall be tested at the airflow rate delivered when operating against the minimum external static pressure specified in Table 4 with an additional 0.08 in H2O 19.9 Pa of external static pressure. Table 1. Classification of Single Package Vertical Air-Co

34、nditioner Types of SPVAC Equipment Designation AHRI Type Heat Rejection Arrangement Single Package SPV-A Air FAN COMP EVAP COND A suffix of “-O“ indicates equipment not intended for use with field-installed duct systems (See 5.2). Table 2. Classification of Single Package Vertical Heat Pump Types of

35、 SPVHP Equipment Designation AHRI Type Arrangement Heating and Cooling Single Package HSPV-A FAN COMP INDOOR COIL OUTDOOR COIL A suffix of “-O“ indicates equipment not intended for use with field-installed duct systems (See 5.2). ANSI/AHRI STANDARD 390-2003 4 Table 3. Conditions for Standard Rating

36、Tests and Operating Requirements Test Indoor Side Outdoor Side Air Entering Air Entering Dry-Bulb FC Wet-Bulb FC Dry-Bulb FC Wet-Bulb FC COOLING Standard Rating Conditions, Cooling180.0 26.7 67.0 19.4 95.0 35.0 75.0423.9 Low Temperature Operation, Cooling 67.0 19.4 57.0 13.9 67.0 19.4 57.0413.9 Maxi

37、mum High Temperature Operation 80.0 26.7 67.0 19.4 115.0 46.1 75.0423.9 Insulation Effectiveness 80.0 26.7 75.0 23.9 80.0 26.7 75.0 4 23.9 Condensate Disposal 80.0 26.7 75.0 23.9 80.0 26.7 75.0 4 23.9 Part-Load Conditions380.0 26.7 67.0 19.4 80.0 26.7 67.0 4 19.4 HEATING Standard Rating Conditions,

38、High- Temperature Heat Pump, Heating 70.0 21.1 60.0 15.6 (max) 47.0 8.3 43.0 6.1 Standard Rating Conditions, Low- Temperature Heat Pump, Heating270.0 21.1 60.0 15.6 (max) 17.0 -8.3 15.0 -9.4 Maximum High-Temperature Operation 80.0 26.7 - - 75.0 23.9 65.0 18.3 Part-Load Conditions370.0 21.1 60.0 15.6

39、 (max) 62.0 16.7 56.5 13.6 NOTES: 1 Same conditions used for voltage tolerance tests. 2 Only required if the manufacturers Published Rating includes low-temperature specification. 3 For multiple compressor units or units with compressor capacity modulation. 4 Required when condensate is rejected to

40、the condenser air stream. Table 4. External Static Pressure Capacity Ratings1Minimum External Static Pressure MBtu/h kW in H2O Pa 28 8.2 0.10 25 28and42 8.2 and 12.4 0.15 37 42and70 12.4and20.5 0.20 50 70 and 105 20.5 and 30.8 0.25 62 105 and 134 30.8 and 39.3 0.30 75 134and210 39.3and61.5 0.35 87 2

41、10and280 61.5and82.1 0.40 100 280and350 82.1 and 102.6 0.45 112 350and400 102.6and117.2 0.55 137 400and500 117.2and146.5 0.65 162 500 146.5 0.75 187 1Cooling Capacity for units with cooling function. b. Non-ducted equipment shall be tested at the airflow rates obtained at zero external static pressu

42、re. All power consumed by the fan(s) shall be included in the power input to the unit. c. The manufacturer shall specify a single airflow rate for all tests required in this part of the standard unless the equipment provides automatic adjustment of airflow rate. A separate control signal output for

43、each step of airflow rate shall be considered as an automatic adjustment. ANSI/AHRI STANDARD 390-2003 5 5.2.3 Outdoor-Side Airflow Rate. A Standard Rating shall be determined at the outdoor-side airflow rate specified by the manufacturer where the fan drive is adjustable. Where the fan drive is non-

44、adjustable, Standard Ratings shall be determined at the outdoor-side airflow rate inherent in the equipment when operated with all of the resistance elements associated with inlets, louvers, and any ductwork and attachments considered by the manufacturer as normal installation practice. Once establi

45、shed, the outdoor-side air circuit of the equipment shall remain unchanged throughout all tests prescribed herein. 5.2.4 Part-Load Rating Conditions. The conditions of test for part-load ratings shall be per Table 3. The capacity reduction means may be adjusted to obtain the specified step of unload

46、ing. No manual adjustment of indoor and outdoor airflow rates from those of the Standard Rating Conditions shall be made. However, automatic adjustment of airflow rates by system function is permissible. 5.2.5 Moisture Removal Determination. Indoor air moisture removed shall be determined at Standar

47、d Rating Conditions, Cooling. Section 6. Rating Requirements 6.1 Rating Requirements. Standard Ratings shall be expressed in Cooling Capacity or Heating Capacity. Power input ratings shall be expressed in increments or multiples of 5 W. Airflow rates shall be expressed in increments of 10 cfm 5 m3/s

48、. 6.1.1 Values of Standard Capacity Ratings. These ratings shall be expressed only in terms of Btu/h W as specified in Table 5. 6.1.2 Values of Energy Efficiency Ratio (EER). Standard measure of Energy Efficiency Ratio, whenever published, shall be expressed in multiples of the nearest 0.05 Btu/W h

49、for EER. Coefficient of Performance (COP) for heating or cooling, whenever published, shall be expressed in multiples of the nearest 0.02. Table 5. Values of Standard Capacity Ratings Capacity Ratings* Multiples MBtu/h kW Btu/h W 20 5.9 100 30 20 and 38 5.9 and 11 200 60 38and65 11and19 500 150 65and135 19and39.6 1000 300 135and400 39.6and117.0 2000 600 400 117.0 5000 1500 * Cooling Capacity for units with cooling function,