GB 12021.9-2021 Translated English of Chinese Standard. (GB12021.9-2021): Minimum allowable values of energy efficiency and energy efficiency grades for electric fans [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 2022 M01 6 - 11 páginas This document specifies the energy efficiency grades, technical requirements, test methods and energy efficiency calculation methods for electric fans. This document applies to AC or DC motor driven table fans, louver fans, wall fans, floor fans, pedestal fans and ceiling fans, of which the single-phase rated voltage does not exceed 250 V and other rated voltages do not exceed 480 V. |
Contenido
Foreword | 5 |
Energy efficiency grade | 6 |
Technical requirements | 7 |
Test method and energy efficiency calculation method | 8 |
Appendix A Normative Determination of wind gathering fans | 10 |
Términos y frases comunes
100 mm Radius 140 mm Radius 3.1 Energy efficiency 3.2 Minimum allowable air volume Measured air volume test communication protocol continuous function corresponding requirements cubic meters D.C. electric fans document through normative efficiency calculation method efficiency for electric energy efficiency calculation Energy efficiency grade energy efficiency value fan type correction fans Table fans fans whose ratio floor fans Grade 2 Grade grades for electric index value Information or status inner circle input power less than 0.9 louver fan meet the requirements meters per minute method 6.1 Test method and energy Minimum allowable values mm Radius 140 Normative references outer circle output air volume pedestal fan Ceiling power if applicable premise of meeting Radius 140 mm requirements in GB/T requirements of Table standby power QB/T status Without information Table A.1 Technical requirements Terms and definitions tested according value of air value of energy volume Measured value wall fans wind gathering fans