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GB/T 19411-2024: Dehumidifiers
Status: Valid GB/T 19411: Evolution and historical versions
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Dehumidifiers
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GB/T 19411-2024
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| GB/T 19411-2003 | English | 369 |
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PDF similar to GB/T 19411-2024
Basic data | Standard ID | GB/T 19411-2024 (GB/T19411-2024) | | Description (Translated English) | Dehumidifiers | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J73 | | Classification of International Standard | 27.200 | | Word Count Estimation | 37,333 | | Date of Issue | 2024-10-26 | | Date of Implementation | 2025-05-01 | | Older Standard (superseded by this standard) | GB/T 19411-2003 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 19411-2024: Dehumidifiers---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT19411-2024
ICS 27.200
CCSJ73
National Standard of the People's Republic of China
Replaces GB/T 19411-2003
dehumidifier
Released on October 26, 2024
Implementation on May 1, 2025
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface V
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 Type and basic parameters 3
4.1 Type 3
4.2 Model 3
4.3 Basic Parameters 3
5 Technical Requirements 4
5.1 General requirements 4
5.2 Appearance 5
5.3 Trial Operation 5
5.4 Refrigeration system sealing performance 5
5.5 Dehumidification performance under nominal conditions 5
5.6 Dehumidification performance under high temperature conditions 6
5.7 Maximum load operation 6
5.8 Low temperature dehumidification operation 6
5.9 Condensation and condensation removal 6
5.10 Water overflow insulation performance 6
5.11 Limiting Heat Exchange 6
5.12 Power Failure Protection 7
5.13 Safety Requirements 7
5.14 Electromagnetic Compatibility 8
5.15 Noise 8
5.16 Standby power 9
5.17 Mechanical properties of caster unit 9
5.18 Weather resistance 9
5.19 Clean Air Volume 9
5.20 Sterilization rate 10
6 Test Method 10
6.1 Test conditions 10
6.2 Installation Requirements 10
6.3 Data Processing 11
6.4 Trial operation test 11
6.5 Refrigeration system sealing performance test 11
6.6 Nominal dehumidification performance test 11
6.7 Dehumidification performance test under high temperature conditions 11
6.8 Maximum load operation test 12
6.9 Low temperature dehumidification operation test 12
6.10 Condensation and condensation water removal test 12
6.11 Water overflow insulation performance test 12
6.12 Restricted heat exchange test 12
6.13 Power failure protection test 12
6.14 Safety Test 12
6.15 Electromagnetic compatibility test 13
6.16 Noise test 14
6.17 Standby power test 14
6.18 Mechanical performance test of caster unit 14
6.19 Weathering performance test 15
6.20 Clean Air Volume Test 15
6.21 Sterilization rate test 15
7 Inspection Rules 16
7.1 Factory Inspection 16
7.2 Sampling Inspection 16
7.3 Type inspection 16
8 Marking, packaging, transportation and storage 17
8.1 Sign 17
8.2 Packaging 18
8.3 Transportation and storage 18
Appendix A (Normative) Dehumidification Performance Test Method 19
A.1 General requirements 19
A.2 Test steps 19
A.3 Calculation of test results 19
Appendix B (Normative) Dehumidifier Noise Test Method 21
B.1 Test site 21
B.2 Measuring instruments 21
B.3 Installation and operating conditions 21
B.4 Designated locations of noise measurement points 21
B.5 Measurement method 27
Appendix C (Normative) Correction Method for Dehumidification Power Consumption of Static Pressure Dehumidifiers 28
C.1 General Principles 28
C.2 Fan input power of dehumidifier with connected duct 28
Reference 29
Figure 1 Obstacle 14
Figure 2 Obstacle arrangement 15
Figure B.1 Measurement point location of dehumidifier installed on ceiling less than or equal to 12Pa 22
Figure B.2 Measurement point location of dehumidifier (side return air) installed on ceiling greater than 12Pa 22
Figure B.3 Measurement point location of dehumidifier (bottom return air) installed on ceiling greater than 12Pa 22
Figure B.4 0Pa floor-mounted dehumidifier measurement point location 23
Figure B.5 Measurement point location of dehumidifier with top outlet and floor-mounted installation greater than 0Pa 23
Figure B.6 Measurement point location of a floor-mounted, side-outlet dehumidifier greater than 0Pa 24
Figure B.7 Measurement point locations for non-fixed dehumidifiers 24
Figure B.8 Measurement point locations for wall-mounted dehumidifiers 25
Figure B.9 Measurement point location of embedded four-outlet dehumidifier 25
Figure B.10 Measurement point location of a side-outlet dehumidifier 26
Figure B.11 Measurement point location of dehumidifier with top air outlet 26
Table 1 Normal operating environment temperature conditions 4
Table 2 Test conditions 4
Table 3 Dehumidification capacity limit per unit power consumption 5
Table 4 Maximum voltage drop of protective earth circuit 7
Table 5 Noise Limits (Sound Pressure Level) 8
Table 6 Type and accuracy of instruments and meters 10
Table 7 Test conditions allowable deviation 11
Table 8 Inspection Items 16
Table 9 Nameplate content 17
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB/T 19411-2003 "Dehumidifiers". Compared with GB/T 19411-2003, except for structural adjustments and editorial changes,
In addition, the main technical content changes are as follows.
a) Added the terms and definitions of dehumidifiers and modified the terms and definitions of dehumidifier classification (see 3.1 to 3.3,.2003 edition).
3.1, 3.2, 3.6 and 3.7);
b) The terms and definitions related to dehumidification performance have been changed (see 3.4 to 3.6, 3.3 to 3.5 of the.2003 edition);
c) Added terms and definitions for standby mode, clean air volume and sterilization rate (see 3.7 to 3.9);
d) The type classification of dehumidifiers has been changed (see 4.1, 4.1.1 and 4.1.2 of the.2003 edition);
e) The requirements for model compilation have been changed (see 4.2, 4.1.4 of the.2003 edition);
f) The basic parameters of the dehumidifier have been changed, including the normal working environment parameters and test operation parameters of the dehumidifier (see
4.3, 4.1.3 and 6.2.1 of the.2003 edition);
g) The general requirements have been changed (see 5.1, 5.1 of the.2003 edition);
h) The requirements on power supplies and components in the original standard have been deleted (see 5.2 and 5.4 of the.2003 edition);
i) The appearance requirements have been changed (see 5.2, 5.10 of the.2003 edition);
j) The dehumidification performance requirements have been changed, and the requirements for high temperature dehumidification performance, overflow insulation performance, and heat exchange restrictions have been added.
Test methods (see 5.5, 5.6, 5.10, 5.11, 6.6, 6.7, 6.11 and 6.12, 4.2, 5.5 and 6.2 of the.2003 edition);
k) Added power failure protection requirements and corresponding test methods (see 5.12 and 6.13);
l) Changed the safety and electromagnetic compatibility requirements and adjusted the test methods accordingly (see 5.13, 5.14, 6.14 and 6.15,.2003 edition).
5.7);
m) The noise limit requirements have been changed and the noise test method has been added (see 5.15 and Appendix B, 5.6 of the.2003 edition);
n) Added technical requirements and corresponding tests for standby power, mechanical properties of casters, weather resistance, clean air volume, and sterilization rate
Methods (see 5.16-5.20, 6.17-6.21);
o) Deleted the provisions on charging refrigerant (see 5.9 of the.2003 edition);
p) The general test conditions and requirements have been changed (see 6.1 to 6.3, 6.1 of the.2003 edition);
q) The inspection rules and requirements have been changed (see 7.1 to 7.3, 7.1 to 7.2 of the.2003 edition);
r) The requirements for labeling, packaging, transportation and storage have been changed (see 8.1 to 8.3, 8.1 to 8.3 of the.2003 edition);
s) The dehumidifier performance test method has been changed (see Appendix A, Appendix A of the.2003 edition);
t) Added the correction method for dehumidification power consumption of static pressure dehumidifiers (see Appendix C).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Refrigeration and Air-conditioning Equipment (SAC/TC238).
This document was drafted by. Zhejiang Oulun Electric Co., Ltd., Hefei General Electromechanical Products Testing Institute Co., Ltd., Ningbo Deye Daily
Electrical Technology Co., Ltd., Guangdong Midea Refrigeration Equipment Co., Ltd., Zhuhai Gree Electric Appliances Co., Ltd., Guangdong Bio Electric Co., Ltd.,
Hisense Air Conditioning Co., Ltd., Guangzhou Finney Swimming Pool Equipment Technology Co., Ltd., Qingdao Haier Air Conditioner Co., Ltd., TCL Delong Home Appliances
(Zhongshan) Co., Ltd., Tsinghua University, Guangdong Jirong Air Conditioning Co., Ltd., Xi'an Jiaotong University, Ningbo Aux Electric Co., Ltd.,
China Academy of Building Research (Beijing) Testing and Certification Co., Ltd., Shanghai Shiteng Electric Co., Ltd., Guangdong Duolexin Electric Co., Ltd., Nanjing Wuzhou Refrigeration
Group Co., Ltd., Zhuhai Sanyou Environmental Technology Co., Ltd., Dongguan Jinhongsheng Electric Co., Ltd., Nanjing Hance Environmental Technology Co., Ltd., Qing
Island Hisense Hitachi Air Conditioning Systems Co., Ltd., Hangzhou Songjing Electric Co., Ltd., Bio Electric (Zhuhai) Co., Ltd., Guangdong Gaomei Air Conditioning Equipment
Co., Ltd., Ningbo Fuda Intelligent Technology Co., Ltd., Puwosi Environmental Protection Technology Wuxi Co., Ltd., Zhejiang Prinair Electrical Industry Co., Ltd.
Co., Ltd., Nanjing Normal University, Hefei General Machinery Research Institute Co., Ltd., and Hefei General Environmental Control Technology Co., Ltd.
The main drafters of this document are. Chen Mingsheng, Xia Linfeng, Ma Jinping, Qiu Aiqi, Zhong Yujin, Zhang Hua, Zhong Jinke, Liu Wei, Wang Xing, Wang Ruofeng,
Tao Sunhua, Shi Wenxing, Huang Peixuan, Liu Yingwen, Qin Xian, Qi Xin, Li Xin, Li Houming, Yao Xupeng, Wang Keyong, Chen Yuanyuan, Zeng Zhaoren, Wu Xiaosong,
Zhang Wenqiang, Liu Chao, Fang Zhibin, Li Bin, Ouyang Kaihua, Ma Ruiyin, Jia Dongxin, Ye Hailin, Zhang Zhongbin, Chen Pu, Sun Yun, Liu Chenxi, and Ge Tan.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2003 as GB/T 19411-2003;
---This is the first revision.
dehumidifier
1 Scope
This document specifies the types and basic parameters, technical requirements, test methods, inspection rules, as well as marking, packaging, transportation and
Storage.
This document applies to dehumidifiers that use a vapor compression refrigeration cycle driven by an electric motor to remove moisture.
This document does not apply to fresh air dehumidifiers.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 191 Pictorial markings for packaging, storage and transportation
GB/T 2423.17 Environmental testing for electric and electronic products Part 2.Test methods Test Ka. Salt spray
GB/T 2423.55 Environmental testing Part 2.Test methods Test Eh. Hammer test
GB/T 2828.1 Sampling procedures for inspection by attributes Part 1.Sampling plans for batch inspection based on acceptance quality limit (AQL)
GB 2894-2008 Safety signs and their use guidelines
GB/T 3241 Electroacoustic octave and fractional octave filters
GB/T 3767-2016 Acoustics - Determination of sound power level and sound energy level of noise sources by sound pressure method - Engineering method for approximate free field above reflecting surface
GB/T 3785.1-2010 Electroacoustics Sound Level Meters Part 1.Specification
GB/T 4208 Degrees of protection provided by enclosures (IP code)
GB 4343.1-2018 Electromagnetic compatibility requirements for household appliances, power tools and similar apparatus Part 1.Emission
GB/T 4343.2 Electromagnetic compatibility requirements for household appliances, power tools and similar apparatus Part 2.Immunity
GB 4706.1-2005 Household and similar electrical appliances - Safety - Part 1.General requirements
GB 4706.32-2012 Safety of household and similar electrical appliances - Particular requirements for heat pumps, air conditioners and dehumidifiers
GB/T 5226.1-2019 Electrical safety of machinery - Electrical equipment of machinery - Part 1.General technical requirements
GB/T 6388 Shipping and Receiving Marks for Transport Packages
GB 6882 Acoustics - Determination of sound power level and sound energy level of noise sources by sound pressure method - Anechoic chamber and semi-anechoic chamber precision method
GB/T 9237 Safety and environmental requirements for refrigeration systems and heat pumps
GB/T 9286-2021 Paints and varnishes - Cross-cut test
GB/T 13306 Signage
GB/T 15173-2010 Electroacoustic sound calibrator
GB/T 16842-2016 Test fixture for testing the protection of enclosures against persons and equipment
GB 17625.1-2022 Electromagnetic compatibility limits Part 1.Limits of harmonic current emissions (equipment input current per phase ≤ 16A)
GB/T 17625.8 Electromagnetic compatibility limits for each phase input current greater than 16A and less than or equal to 75A connected to a public low-voltage system
Limits for harmonic currents generated by equipment
GB/T 17758 Unitary air conditioners
GB/T 18801-2022 Air Purifier
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