GB 21454-2021 Active National standards force_standard

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

Publish Date: 2021-10-11 Implement Date: 2022-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB 21454-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: yes

CCS Name: Technical management

ICS Name: Integrated Energy and Heat Transfer Engineering

Publish Date: 2021-10-11

Implement Date: 2022-11-01

Pages: 16 pages

Scope

This document specifies the energy efficiency grade, energy efficiency limit values, test methods, and implementation requirements of multi-unit air conditioning (heat pump) units and low ambient temperature air-source multi-unit heat pump (air conditioning) units.
This document applies to multi-unit air conditioning (heat pump) units (hereinafter referred to as multi-unit units) with air-cooled or water-cooled condensers, and low ambient temperature air-source multi-unit heat pump (air conditioning) units (hereinafter referred to as low-temperature multi-unit units).