1、2002 STANDARD for AIR-CONDITIONING voltage rating requirements; equipment performance requirements; 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
2、. This standard is subject to review and amendment as technology advances. 1.2 The provisions herein are recommendations intended for implementation only through reference by other authoritative documents. Section 2. Scope 2.1 Scope. This standard applies to 60 Hz electrical voltage ratings and oper
3、ating limits as applied to air- conditioning and refrigerating equipment, heat pumps, and electric furnaces. 2.1.1 50 Hz electrical voltage ratings Exclusions. This standard does not apply to Section 3. Definitions All terms in this document shall follow the standard industry definitions in the curr
4、ent edition of ASHRAE Terminology of Heating, Ventilation, Air Conditioning and Refrigeration unless otherwise defined in this section. 3.1 “Slzall“ or “Slzould. I “Shall“ or “should“ shall be interpreted as follows: 3.1.1 Shall. Where “shall“ or “shall not“ is used for a provision specified, that p
5、rovision is mandatory if compliance with the standard is claimed. 3.1.2 Should. “Should“ is used to indicate provisions which are not mandatory but which are desirable as good practice. 3.2 Voltages. 3.2.1 Equipment Nameplate Voltage Rating. The nominal Utilization Voltage marked on the equipment na
6、meplate by the manufacturer (Table I). 3.2.2 Nominal System Voltage. A nominal value assigned to the electric power supply system for the purpose of conveniently designating its voltage class. 3.2.3 Service Voltage. The voltage at the point where the electric systems of the supplier and the,user are
7、 connected. 3.2.4 terminals of the utilization equipment. Utilization Voltage. The voltage at the line Section 4. Voltage Rating Requirements 4.1 Standard System Voltage Relationships. Table 1 presents the basic relationships between standard Nominal System Voltages and Utilization Voltages for air-
8、 conditioning and refrigeration equipment and components. (Data derived from ANSI C84. I). 4.2 Application of Voltage Ranges. (See ANSI (284.1). 4.2.1 Range A-Service Voltage. Electric supply systems are to be so designed and operated that most Service Voltages are within the limits specified for th
9、is range. The occurrence of Service Voltages outside of these limits should be infrequent. 4.2.2 Range A-Utilization Voltage. User systems are to be so designed and operated that, with Service Voltages within Range A limits, most Utilization Voltages are within the limits specified for this range. U
10、tilization equipment shall be designed and rated to give fully satisfactory performance throughout this range. 4.2.3 Range B-Service and Utilization Voltages. This range includes voltages above and below Range A limits that necessarily result from practical design and operating conditions on supply
11、or user systems or both. Although such conditions are a part of practical operations, they shall be limited in extent, frequency and duration. When they occur, corrective measures shall be undertaken within a reasonable time to improve voltages to meet Range A requirements. 1 Copyright Air-Condition
12、ing and Refrigeration Institute Provided by IHS under license with ARINot for ResaleNo reproduction or networking permitted without license from IHS-,-,- AR1 STANDARD 1 10-2002 Equipment Voltage Range A Nameplate Voltage Rating“ Minimum Maximum Utilization Service Utilization and Voltage Voltage Ser
13、vice Voltage Nominal System Voltage Voltage Range B Minimum Maximum Utilization Service Utilization and Voltage Voltage Service Voltage 108 114 126 187 197 218 216 228 252 249 263 29 1 120 208 104 180 208 240 240 277 115 208(200)* or 208/230(200/230)* 230 or 208/230( 200/230) * 265 208 240 480 600 T
14、hree-phase 220 254 208(200)* or 208/230( 200/230) * 230 or 208/230(200/230)* 460 575 187 2 16 432 540 197 228 456 570 218 252 504 630 180 208 416 520 191 220 440 550 220 254 508 635 *Altemate values. Notes: I. Minimum Utilization Voltages for 120 thru 600 volt combination lighting and power circuits
15、 serving cord-and plug-connected equipment are: Nominal System Voltage Ranee A Range B 120 208 240 211 480 600 1 IO 191 220 254 440 550 106 184 212 245 424 530 2. It is recognized that there are in existence, power systems whose operating characteristics deviate from the voltage range limits of this
16、 Table. It shall not be construed that nameplate voltage rated equipment, suitable for application to such systems and deviating from the values appearing in this table, may not be produced. Equipment having more than one marked rated voltage, which is permitted to be connected to these voltages wit
17、hout individual adjustment, should have the voltages separated by a hyphen. 3. Example: 208-23OV; The equipment may be operated at these utilization voltages or at voltages between these values without individually adjusting for the difference between them. Equipment having more than one marked rate
18、d voltage, which requires rewiring or other adjustments made by the installer to the equipment to permit connection to these voltages, should have the voltages separated by an oblique stroke. Example: 2081230V; The equipment may be operated at these utilization voltages only if the installer makes t
19、he proper wiring or adjustment to the equipment for each voltage as specified by the manufacturer. 2 Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AR1 STANDARD 1 10.2002
20、Insofar as practicable, utilization equipment shall be designed to give acceptable performance in the Requirements extremes of this range of Utilization Voltage, although not necessarily as good performance as in Range A. 5.1 Equipment Standard Rating Requirements. Exception. For 208 V systems only,
21、 motor driven equipment shall be designed to start and operate satisfactorily under rated load conditions at the extremes of Range B, but not necessarily under maximum load conditions. For rated and maximum Section 6. Conformance Conditions load conditions, see the industry standards for the product
22、 concerned. 6.1 Conformance. While conformance with this standard is voluntary, conformance shall not be claimed or implied It must be recognized that, because of conditions for products or equipment within its Purpose (Section I) and beyond the control of the supplier or user, or both, there Scope
23、(Section 2) unless such claims meet all of the will be infrequent and limited periods when sustained requirements of the standard. voltages outside of Range B limits will occur. Utilization equipment may not operate satisfactorily under these conditions, and protective devices may operate to protect
24、 the equipment. When voltages occur outside the limits of Range B, prompt corrective action is recommended. The urgency for such action will depend upon many factors, such as the location and nature of load or circuits involved, and the magnitude and duration of the deviation beyond Range B limits.
25、Section 5. Equipment Performance Equipment standard rating tests, in accordance with equipment rating standards, shall be conducted at the Equipment Nameplate Voltage Rating. 3 Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARINot for ResaleNo reproduction
26、or networking permitted without license from IHS-,-,-AR1 STANDARD 11 0-2002 APPENDIX A. REFERENCES = NORMATIVE Al Listed here are all standards, handbooks and other A1.2 ASHRAE Terminology of Heating, publications essential to the formation and implementation Ventilation, Air Conditioning & Refriger
27、ation, of the standards. Second Edition, 1991, American Society of Heating, considered as part of the standard. Refrigerating, and Air-conditioning Engineers, Inc., 1791 Tullie Circle N.E., Atlanta, GA 30329, U.S.A. All references in this appendix are AL1 ANSI (284.1-1995, Electrical Power Systems a
28、nd Equipment - Voltage Ratings (60 Hz), 1995, American National Standards Institute, 25 West 43“ Street, 4b Floor, New York, NY 10036, U.S.A. APPENDIX B. REFERENCES - INFORMATIVE B1 Listed here are all standards, handbooks, and other B1.1 IEC Standard Publication 60038, ZEC publications which may pr
29、ovide useful information and Standard Voltages, 1983, International background but are not considered essentiai. References in Electrotechnical Commission, 3 rue de Varembe, this appendix are not considered part of the standard. P.O. Box 131, 1211 Geneva 20, Switzerland. 4 Copyright Air-Conditioning and Refrigeration Institute Provided by IHS under license with ARINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
