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GB/T 26759-2011The technical specification for energy-saving control device for water system of central air-conditioning (English PDF)

中央空调水系统节能控制装置技术规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 20, 2011

Implementation date

November 1, 2011

Scope

GB/T 26759-2011 is the English-translated version of 中央空调水系统节能控制装置技术规范.

GB/T 26759-2011 is the Chinese national specification for the energy-saving control device fitted to the water system of a central air-conditioning plant.

It sets the technical requirements the device must meet, the basic functions it has to provide, the test specification that proves them and the provisions on marking, packaging, transport and storage, with an annex on how the energy-saving rate is measured.

It applies to the design, manufacture, testing and use of such controls, and refers to the national standards on low-voltage assemblies, enclosure protection and harmonics that they must comply with.

Building services designers, manufacturers and commissioning engineers use it. Issued on 20 July 2011, it has applied since 1 November 2011.

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Document preview — GB/T 26759-2011

National Standard of the People's Republic of China

ICS: 27.010
Classification: F 01

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

Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements
5 Basic functions
6 Test specification
7 Marks, packaging, transport and storage
Appendix A (informative) Test method for the energy saving rate

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules.

Appendix A of this standard is an informative annex.

1 Scope

This standard specifies the energy-saving central air conditioning system control device (hereinafter referred to as energy-saving control device) technical requirements, basic functions, test Specification and signs, packaging, transportation, storage and so on.

This standard applies to energy-saving control system design, production, testing and use of central air conditioning system.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 191 Packaging - Pictorial signs

GB/T 3047.1 height of 20mm hex panels, rack and cabinets Series of basic dimensions

GB/T 3797 Electric Control Equipment The basic safety rules and operating rules GB/T 4205 man-machine interface, marking and identification

GB 4208 housing protection (IP Code) (GB 4208-2008, IEC 60529:2001, IDT)

GB 7251.1-2005 Low-voltage switchgear and control equipment Part 1. Type - tested and partially type-tested assemblies provided Equipment (IEC 60439-1:1999, IDT)

GB /Z17625.6 harmonic electromagnetic compatibility limits rated current greater than 16A devices in low-voltage power supply systems Limit flow (GB /Z17625.6-2003,IEC /T R61000-3-4.1998, IDT)

JB/T 3085 power transmission control device packaging and shipping procedures JGJ176 public buildings energy-saving technical specifications

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Central air conditioning system

Central air conditioning system with water (including salt water, glycol, etc.) as the medium of cold (hot) the amount of transmission and distribution systems, typically include chilled water (Hot water) and cooling water systems.

3.2 Energy-saving control device for the water system of central air-conditioning

tioning The application of modern computer technology, automatic control technology, frequency conversion technology, system integration technology, the operation of the central air conditioning system into the Line optimal control of an automated air conditioning system to improve the energy efficiency of the control device.

3.3 Intelligent control unit

Install the control cabinet to the energy-saving control device (box), the realization of energy-saving, the control device and the controlled object analog or digital data exchange Change, and can be controlled independently controlled object circuit function combinations.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 24 pages — is available in the English PDF.

Referenced standards

Normative references

GB 4208 · GB 7251.1-2005

Cited by

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