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GB/T 21362-2008 English PDF (GBT21362-2008)

GB/T 21362-2008 English PDF (GBT21362-2008)

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GB/T 21362-2008: Heat pump water heater for commercial and industrial and similar application
GB/T 21362-2008
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 27.200
J 73
Heat pump water heater for commercial and
industrial and similar application
ISSUED ON. JANUARY 14, 2008
IMPLEMENTED ON. MAY 1, 2008
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 5 
4 Types and basic parameters ... 7 
5 Requirements ... 10 
6 Test methods ... 14 
7 Inspection rules ... 20 
8 Marking, packaging, storage and transportation ... 23 
Annex A (Informative) Preferred values of the nominal capacity, and nominal
heating capacity of the water heater’s water tank, and model preparation
method ... 25 
Annex B (Normative) Heating capacity test method for water heater
performance ... 27 
Foreword
The Annex B of this Standard is a normative annex, and Annex A is an
informative annex.
This Standard was proposed by the China Machinery Industry Federation.
This Standard shall be under the jurisdiction of National Technical Committee
for Standardization of Refrigeration and Air Conditioning Equipment (SAC/TC
238).
Main drafting organizations of this Standard. Guangzhou Zhongyu Air
Conditioning Technology Development Co., Ltd, Hefei General Machinery
Research Institute, Jiangsu Tenesun Electric Appliance Co., Ltd, GD Midea
Commercial Air-Conditioning Equipment Co., Ltd, Hefei Tongyong
Environmental Control Technology Co., Ltd.
Participating drafting organizations of this Standard. Dalian Bingshan Group
Co., Ltd, Chongqing Jiulongyun New Energy Development Co., Ltd, Beijing
Tongfang Clean Technology Co., Ltd, Guangzhou H’Stars Refrigeration
Machinery Manufacturing Co., Ltd, A.O. Smith (China) Water Heater Co., Ltd,
Zhejiang AMA Electronic and Electric Co., Ltd, Beijing Huaqing Rongli Air-
conditioning Technology Co., Ltd, Foshan Maxway Air-conditioning Technology
Co., Ltd, Lotus Air Conditioner (Jiangsu) Co., Ltd, Zhejiang Xingxing Central
Air-conditioning Equipment Co., Ltd, Tellhow Sci-tech Co., Ltd, Guangdong
Shenling Air-conditioning Equipment Co., Ltd, Shanghai Futian Air-conditioning
Equipment Co., Ltd, Emerson Environmental Optimization Technology (Suzhou)
R and D Co., Ltd, (Sino-foreign Joint Venture) Chuzhou Yangzi Betway Central Air-
conditioning Co., Ltd, Ningbo NBWAVE Thermal Energy Equipment Co., Ltd.
Main drafters of this Standard. Qin Zhicheng, Zhang Xiuping, Zhang Mingsheng,
Wang Tianshu, Shu Weimin, Li Bai.
Participating drafters of this Standard. Hao Qiaoli, Zhu Yong, Liu Yaobin, Yuan
Bohong, Qiu Bu, Ling Yongjun, Huang Guoqi, Qu Zhiqiang, Ding Wei, Sha
Fengqi, Huang Xiaoru, Yi Xinwen, Yao Honglei, Wen Maohua, Xie Yong, Wang
Lei, Zhong Yu, Wang Yujun, Wang Jiping.
This Standard shall be interpreted by the National Technical Committee for
Standardization of Refrigeration and Air Conditioning Equipment.
This Standard was first-time formulated.
Heat pump water heater for commercial and
industrial and similar application
1 Scope
This Standard specifies the terms and definitions, types and basic parameters,
requirements, test methods, inspection rules, marking, packaging, storage and
transportation of heat pump water heater for commercial and industrial and
similar application (hereinafter referred to as “water heater”).
This Standard is applicable to the motor-driven air-source and water-source
heat pump water heaters for hot water supply, with vapor compression
refrigeration cycle, and a nominal heating capacity of 3,000W or more. For the
heat pump water heaters for other purposes, it can also be used for reference.
2 Normative references
The provisions in the following documents become the provisions of this
Standard through reference in this Standard. For dated references, the
subsequent amendments (excluding corrections) or revisions do not apply to
this Standard. However, parties who reach an agreement based on this
Standard are encouraged to study if the latest editions of these documents are
applicable. For undated references, the latest editions apply to this Standard.
GB/T 191 Packaging -- Pictorial marking for handling of goods (GB/T 191-
2000, eqv ISO 780.1997)
GB/T 1720 Method of test for adhesion of paint films
GB/T 2423.17 Basic environmental testing procedures for electric and
electronic products -- Test Ka. Salt mist (GB/T 2423.17-1999, eqv IEC
60068-2-11.1981)
GB/T 2828.1 Sampling procedures for inspection by attribute -- Part 1.
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
inspection (GB/T 2828.1-2003, ISO 2859.1999 IDT)
GB/T 6388 Transport package shipping mark
GB 8624 Classification for burning behavior of building materials and
products
GB/T 10870-2001 The methods of performance test for positive
displacement and centrifugal water-chilling units and heat pump
GB/T 13306 Plates
GB/T 13384 General specifications for packing of mechanical and electrical
product
GB/T 17758 Unitary air conditioners
GB/T 18430.1 Water chilling (heat pump) packages using the vapor
compression cycle -- Part 1. Water chilling (heat pump) packages for
industrial and commercial and similar application
JB/T 4330 Determination of noise emitted by refrigerating and air condition
JB/T 4750 Pressure vessels for refrigerant equipment
JB/T 7249 Terminology of refrigeration equipment
JB 8654 Safety requirements of positive displacement and centrifugal water-
chilling packages
3 Terms and definitions
The terms and definitions established by JB/T 7249 and the following ones are
applicable to this Standard.
3.1 Heat pump water heater
A motor-driven device that uses vapor compression refrigeration cycle to
transfer heat from a low-grade heat source (air or water) to heated water for
making hot water.
3.2 Air-source heat pump water heater
A heat pump water heater that uses air as the heat source.
3.3 Water-source heat pump water heater
A heat pump water heater that uses water as a direct heat source or as a heat
transfer medium to transfer heat.
3.4 One-time heating heat pump water heater
A water heater that uses side-feed water to flow through the heat pump water
heater to reach the set termination temperature at one time.
materials shall be non-toxic, non-odor and non-flammable materials, and shall
meet the requirements of GB 8624.
5.1.10 When water inlet and outlet pipes of the water heater’s pressure-
resistant water tank are directly installed in the public water supply system, the
water inlet and outlet pipes shall comply with the requirements of the relevant
national water pipe connector standards.
5.1.11 Electrical control equipment
The control equipment of water heaters shall be able to function properly.
Various protection devices shall meet the design requirements and be sensitive
and reliable.
5.1.12 The installation of each component of the water heater shall be firm
and reliable. The compressor shall have anti-vibration measures. There shall
be no abnormal sound when the water heater operates. There shall be no
friction and collision between pipelines and components. The electromagnetic
directional valve of the water heater shall be sensitive and reliable.
5.1.13 The circulating water pump provided for the water heater shall ensure
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