GB 21454-2021: Minimum allowable values of the energy efficiency and energy efficiency grades for multi-connected air-condition (heat pump) units

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Scope

This document specifies the energy efficiency grades, minimum allowable values of energy
efficiency and test methods for multi-connected air-condition (heat pump) units and low
ambient temperature air source multi-connected heat pump (air conditioning) units, as well as
requirements for the implementation of the Standard.
This document is applicable to multi-connected air-condition (heat pump) units (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) adopting air-cooled or water-cooled condensers.

Basic Data

Standard ID	GB 21454-2021 (GB21454-2021)
Description (Translated English)	Minimum allowable values of the energy efficiency and energy efficiency grades for multi-connected air-condition (heat pump) units
Sector / Industry	National Standard
Classification of Chinese Standard	F01
Word Count Estimation	14,121
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration