GB 21454-2021
Minimum allowable values of the energy efficiency and energy efficiency grades for multi-connected air-condition (heat pump) units (English Version)
- Standard No.
- GB 21454-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- 国家市场监督管理总局、中国国家标准化管理委员会
- Latest
- GB 21454-2021
- Replace
- GB 21454-2008
- Scope
- This document specifies the energy efficiency grades, allowable values of energy efficiency, test methods and implementation requirements for multi-connected air-conditioning (heat pump) units and low ambient temperature air-source multi-connected heat pump (air-conditioning) units. This document applies to multi-connected air-conditioning (heat pump) units using air-cooled or water-cooled condensers (hereinafter referred to as multi-connected units), and low ambient temperature air source multi-connected heat pump (air-conditioning) units (hereinafter referred to as low-temperature multi-connected units).
GB 21454-2021 Referenced Document
- GB/T 18836-2017 Ducted air-conditioning (heat pump) units
- GB/T 18837-2015 Multi-connected air-condition(heat pump) unit*， 2022-04-01 Update
- GB/T 25857-2010 Low ambient temperature air source multi-connected heat pump(air conditioning) unit
GB 21454-2021 history
- 2021 GB 21454-2021 Minimum allowable values of the energy efficiency and energy efficiency grades for multi-connected air-condition (heat pump) units
- 2008 GB 21454-2008 The minimum allowable values of the IPLV and energy efficiency grades for multi-connected air-condition (heat pump) unit
