GB 12021.9-2021Minimum allowable values of energy efficiency and energy efficiency grades for electric fans (English PDF)

电风扇能效限定值及能效等级

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Issued by

State Administration for Market Regulation; Standardization Administration of China

Level / Type

National · Mandatory

Issue date

October 11, 2021

Implementation date

November 1, 2022

Scope

GB 12021.9-2021 is the English-translated version of 电风扇能效限定值及能效等级.

GB 12021.9-2021 is the Chinese national standard on minimum allowable values of energy efficiency and energy efficiency grades for electric fans, in the field of energy and heat transfer engineering. It carries no /T suffix, which in the Chinese system means compliance is mandatory: a product or a practice within its scope has to meet it to be lawfully made, sold or carried out in China. It was issued on 11 October 2021 by the State Administration for Market Regulation; Standardization Administration of China, and has been in force since 1 November 2022. Classification: ICS 27.010, CCS F01. This page is published from the official record of the standard held by the Chinese standards administration: the identification, the dates, the classification and the issuing body are taken from there. The clause text, the tables and the numeric limits are in the document itself, which is delivered complete in English translation.

Document preview — GB 12021.9-2021

National Standard of the People's Republic of China

ICS: 27.010
Classification: F01

Issued by: State Administration for Market Regulation; Standardization Administration of China

Foreword ..........................................................................................................3
1 Scope ............................................................................................................5
2 Normative references ....................................................................................5
3 Terms and definitions ....................................................................................5
4 Energy efficiency grade.................................................................................6
5 Technical requirements .................................................................................7
8 Appendix A (Normative) Determination of wind gathering fans ...................... 10 GB 12021.9-202111

Foreword

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA ICS

Replacing GB 12021.9-2008

Minimum allowable values of energy efficiency and energy efficiency grades for electric fans

Minimum allowable values of energy efficiency and energy efficiency grades for electric fans 1 Scope

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.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. For dated references, only the version corresponding to that date is applicable to this document; for undated references, the latest version (including all amendments) is applicable to this document.

GB/T 13380-2018, A.C. electric fans and regulators

GB/T 35758-2017, Household electrical appliances - Measurement of standby power QB/T 5262-2018, D.C. electric fans

3 Terms and definitions

Terms and definitions determined by GB/T 13380-2018, GB/T 35758-2017 and QB/T 5262-2018, and the following ones are applicable to this document.

3.1 Energy efficiency for electric fans The ratio of the output air volume to the input power of the electric fan.

11 The minimum allowable value of energy efficiency for electric fans under the test conditions specified in the standard, on the premise of meeting the standby power requirements.

3.3 Standby power The power when the electric fan is switched on and in a waiting state (the motor is not working).

3.4 Wind gathering fans Table fans, wall fans, floor fans and pedestal fans whose ratio of the air volume of the inner circle to the air volume of the outer circle is not less than 0.9.

4 Energy efficiency grade

--- The End - - -

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 13380-2018 · GB/T 35758-2017

Cited by

GB 36893-2024Minimum allowable values of energy efficiency and energy efficiency grades for air cleaner

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