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GB/T 40411-2021Packaged units for supplying hot, cooling or chilled water (English PDF)

模块式空调机房设备

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

August 20, 2021

Implementation date

March 1, 2022

Scope

GB/T 40411-2021 is the English-translated version of 模块式空调机房设备.

GB/T 40411-2021 is the Chinese national standard for packaged units that supply hot, cooling or chilled water, known in the Chinese text as modular air-conditioning equipment rooms.

It sets out terms and definitions, classification and marking, general requirements, product requirements, test methods and inspection rules, together with marking, packaging, transportation and storage.

A normative annex gives the test method for start-up, operation, flow rate and resource pressure.

The referenced documents cover welded and seamless steel pipe, stainless steel pipe, electrical control and low-voltage switchgear, enclosure protection (IP code), safety valves, pump hydraulic performance, pipe insulation, salt spray testing and noise measurement.

It applies to the production and inspection of these module units. It was issued on 20 August 2021 and has applied since 1 March 2022.

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Document preview — GB/T 40411-2021

National Standard of the People's Republic of China

ICS: 91.140.30
Classification: P 48

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

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and marking
5 General requirements
6 Requirements
7 Test method
8 Inspection rules
9 Marking, packaging, transportation and storage
Appendix A (normative) Start-up, operation, flow rate and resource pressure test method

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.

1 Scope

This document specifies the terms and definitions, classification and marking, general requirements, requirements, test methods, and inspection regulations for modular air conditioning equipment room equipment. Then, marking, packaging, transportation and storage.

This document is applicable to the production and inspection of modular air-conditioning equipment room equipment (hereinafter referred to as "module equipment").

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 983 stainless steel electrode

GB/T 2423.17 Environmental testing of electrical and electronic products Part 2: Test method Test Ka. Salt spray

GB/T 3091 Welded steel pipe for low pressure fluid transportation

GB/T 3216 Hydraulic Performance Acceptance Test of Rotary Power Pump Level 1, Level 2, and Level 3

GB/T 3797-2016 Electrical control equipment

GB/T 4208 Shell protection grade (IP code)

GB/T 5117 Non-alloy steel and fine grain steel welding rod

GB/T 5226.1-2019 Electrical safety of machinery Electrical equipment of machinery Part 1: General technical conditions

GB/T 7251.1-2013 Low-voltage switchgear and control equipment Part 1: General

GB/T 7251.8 Low-voltage switchgear and control equipment-Part 8: General technical requirements for intelligent complete equipment

GB/T 8163 Seamless steel pipe for conveying fluid

GB/T 8175 Design Guidelines for Equipment and Piping Insulation

GB/T 12241 General requirements for safety valves

GB/T 13306 signs

GB/T 13384 General technical conditions for packaging of mechanical and electrical products

GB/T 14976 Stainless steel seamless steel pipe for fluid transportation

GB/T 26759 Technical specification for energy-saving control device of central air-conditioning water system

GB/T 29247 General test methods for industrial automation instruments

JB/T 4330-1999 Determination of noise from refrigeration and air-conditioning equipment

JB/T 10394.1 General technical conditions for painting equipment Part 1: Sheet metal parts

NB/T 47004.1 Plate heat exchanger Part 1: Removable plate heat exchanger

QB/T 4507 Plumbing Pipe Fittings Copper Filter

BSEN13831 Closed expansion vessel with built-in diaphragm for water supply equipment

3 Terms and definitions

The following terms and definitions apply to this document.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 14294-2026|GB/T 47622-2026|GB/T 6167-2026|GB/T 17790-2025|GB/T 29045-2025|GB/T 29730-2025

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