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GB/T 46733-2025Installation specification for independent air conditioners for vehicles (English PDF)

车载独立空调器安装规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 31, 2025

Implementation date

May 1, 2026

Scope

GB/T 46733-2025 is the English-translated version of 车载独立空调器安装规范.

GB/T 46733-2025 is the Chinese standard "Installation specification for independent air conditioners for vehicles".

Its scope clause reads: This document specifies the installation accessories and installation procedures for vehicle-mounted independent air conditioners (hereinafter referred to as "air conditioners") when installed in spaces where air conditioning is required.

Requirements, installation procedures, inspections during installation, and delivery, etc. This document applies to the following situations and should be used as a reference for the installation of air conditioners in recreational vehicles. ---Installation of air conditioners in commercial vehicles before they leave the factory; ---After commercial vehicles leave the factory, the air conditioner shall be installed in accordance with this document and the vehicle manufacturer's design specifications and requirements. Its clauses include terms and definitions.

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Document preview — GB/T 46733-2025

National Standard of the People's Republic of China

ICS: 91.140.30
Classification: Y 61

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4.Requirements for Air Conditioners and Installation Accessories
5.Air Conditioner Installation Requirements
6.Air Conditioner Installation Operation
7.Air Conditioner Inspection and Acceptance
References

1 Scope

This document specifies the installation accessories and installation procedures for vehicle-mounted independent air conditioners (hereinafter referred to as "air conditioners") when installed in spaces where air conditioning is required.

Requirements, installation procedures, inspections during installation, and delivery, etc.

This document applies to the following situations and should be used as a reference for the installation of air conditioners in recreational vehicles.

---Installation of air conditioners in commercial vehicles before they leave the factory;

---After commercial vehicles leave the factory, the air conditioner shall be installed in accordance with this document and the vehicle manufacturer's design specifications and requirements.

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 1589 Limits for the overall dimensions, axle load and mass of automobiles, trailers and automobile combinations

GB/T 4706.32 Safety of household and similar electrical appliances - Part 32.Particular requirements for heat pumps, air conditioners and dehumidifiers

GB 6095 Fall Protection Safety Belt

GB/T 17790 Installation Specifications for Household and Similar Air Conditioners

GB/T 20025.2-2005 Rubber and plastic hoses and hose assemblies for automotive air conditioning systems - Refrigerant 134a resistant

GB.20182 External protrusions of commercial vehicle cabs

GB/T 22766.3 After-sales service for household and similar electrical appliances - Part 3.Particular requirements for air conditioners

GB/T 35753 Mounting brackets for outdoor units of air conditioners

3 Terms and Definitions

The terms and definitions defined in GB/T 17790, GB/T 22766.3 and GB/T 35753, as well as the following terms and definitions, apply to this document.

3.1

It consists of a compressor, condenser, evaporator, throttling element, fan, and necessary auxiliary equipment and control components, and has a separate housing and independent...

Installed in vehicles, it utilizes the vehicle's own power supply and can provide treated air to the vehicle's interior when the main power system is not operating.

equipment.

3.2

To ensure the air conditioner achieves its intended functions and complete functionality, professional installers must follow the design specifications of both the air conditioner and vehicle manufacturers.

According to the requirements, the vehicle-mounted independent air conditioner is fixed, combined, connected and debugged.

3.3 Installation surface

The surface that supports or fixes the air conditioner.

Example. The side and top of a vehicle.

GB/T 21551.6 | GB/T 39761.1 | GB/T 23333 | GB/T 46732 | GB/T 46731 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 14 pages — is available in the English PDF.

Referenced standards

Normative references

Editions of GB/T 46733

Edition	Title	Revision	Status
GB/T 46733-2025	Installation specification for independent air conditioners for vehicles	current edition	Current

This page sells the current edition, GB/T 46733-2025. Earlier editions are listed for reference only.

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