GB/T 46752-2025Integrated high-efficiency air conditioning cold source systems for buildings (English PDF)

1 Scope

This document specifies the model, general requirements, requirements, and testing procedures for building-integrated high-efficiency air conditioning cooling source systems (hereinafter referred to as "cooling source systems").

Methods, inspection rules, and markings, accompanying documents, and storage.

This document applies to water-cooled chiller (heat pump) units with electric motor drive and vapor compression circulation in civil buildings, which meet the requirements for indoor environmental regulation.

The section requires an integrated air conditioning cooling source system.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 3216 Acceptance tests of hydraulic performance of rotary power pumps, Level 1, 2 and 3

GB/T 3797 Electrical control equipment

GB/T 4208 Degrees of protection provided by enclosures (IP code)

GB/T 7190 (all parts) Mechanical draft cooling towers

GB/T 7251.1-2023 Low-voltage switchgear and controlgear assemblies - Part 1.General principles

GB/T 10870-2014 Test methods for performance of vapor compression cycle chiller (heat pump) units

GB/T 14285 Technical Specification for Relay Protection and Safety Automatic Devices

GB/T 16803 Terminology for Heating, Ventilation, Air Conditioning and Purification Equipment

GB/T 18209 (all parts) Mechanical and electrical safety indications, signs and operations

GB/T 18216 (all parts) Electrical safety protection measures for low-voltage power distribution systems of 1000V AC and 1500V DC and below

Test, measurement or monitoring equipment

GB/T 18268.1 Electromagnetic compatibility requirements for electrical equipment for measuring, control and laboratory use - Part 1.General requirements

GB 18613 Minimum Energy Efficiency Values and Energy Efficiency Grades for Electric Motors

GB 19762 Energy Efficiency Limits and Energy Efficiency Grades for Centrifugal Pumps

GB/T 24621.1 Electrical Safety Application Guidelines for Low-Voltage Switchgear and Controlgear Assemblies - Part 1.Switchgear Assemblies

GB 25131 Safety requirements for vapor compression cycle chiller (heat pump) units

GB/T 29044 Water quality for heating and air conditioning systems

GB 50052 Code for Design of Power Supply and Distribution Systems

GB 50054 Code for Design of Low-Voltage Power Distribution

GB/T 50155 Standard for Terminology of Heating, Ventilation and Air Conditioning

GB 50169 Code for Construction and Acceptance of Grounding Devices in Electrical Installations

GB 50243-2016 Code for Acceptance of Construction Quality of Ventilation and Air Conditioning Engineering

GB 50303 Code for Acceptance of Construction Quality of Building Electrical Engineering

GB 50339 Standard for Acceptance of Quality of Intelligent Building Engineering

GB/T 39976 | GB/T 19232 | GB 50243 | GB/T 14294 | GB/T 46751 | […]