GB 4706.12-2006Safety of household and similar electrical appliances -- Particular requirements for storage water heaters (English PDF)

Foreword

All contents of this part of GB 4706 are mandatory.

GB 4706 " Safety of household and similar electrical appliances" is divided into

the following parts.

- Part I. General requirements;

- Part II. Particular requirements.

This part is the particular requirements for storage water heaters.

This part replaces GB 4706.12-1995 "Safety of household and similar electrical

appliances - Particular requirements for storage water heaters".

This part modifies and adopts IEC 60335-2-21.1997.This part shall be used in

conjunction with GB 4706.1-1998.

This part is formed by adding or modifying GB 4706.1.The specific provisions

in GB 4706.1 are not mentioned in this part, which means that the

corresponding provisions in GB 4706.1 apply to this part. In this part, the portion

indicated as "applicable" means that the corresponding provisions in GB 4706.1

are applicable to this part. In this part, the portion indicated as "replaced" means

that the provisions of this part shall prevail. In this part, the portion indicated as

"added" means that in addition to the corresponding provisions of GB 4706.1,

it must also comply with the provisions added in this part.

The main difference between this part and IEC 60335-2-21.1997 is the addition

of Appendix AA (normative).

Appendix AA to this part is a normative appendix.

This part was proposed by China Light Industry Federation.

This part shall be under the jurisdiction and interpretation of the National

Household Appliance Standardization Technical Committee (SAC/TC 46).

Drafting organizations of this part. China Household Electrical Appliances

Research Institute, Haier Water Heater Co., Ltd., Aio Smith (China) Water

Heater Co., Ltd., Shuaikang Water Heater Co., Ltd., Kangquan Water Heater

Co., Ltd., Meroni Sanitary Ware (China) Co., Ltd., Shenzhen Entry& Exit

Inspection and Quarantine Bureau.

1 Scope

This chapter of GB 4706.1-1998 is replaced by the following.

This part of GB 4706 relates to the safety of storage water heaters whose

single-phase appliances have a rated voltage not exceeding 250 V, and other

appliances whose rated voltage does not exceed 480 V for domestic and similar

purposes.

Appliances that are not intended for general household use but still pose a

danger to the public, such as appliances intended for use by persons without

knowledge of electricity in shops, light industries, and farms are also within the

scope of this part.

As a practical matter, this part deals with general hazards that arise from

appliances that can be encountered by everyone in the home and surrounding

environment.

This part generally does not consider the following situations.

- Appliances used by children, old, young, sick, and weak without care;

- Children playing with appliances.

Note 1.Attention is drawn to the following.

- Additional requirements may be required for appliances intended for use on

plateaus;

- Additional requirements may be required for appliances intended for use on a

vehicle, ship or aircraft;

- Additional requirements may be required for appliances intended for use in tropical

countries;

- Additional requirements have been developed by health, labor protection, water

and similar authorities in many countries;

- In many countries there are also installation regulations for appliances connected

to water.

Note 2.This part does not apply to.

- Appliances for boiling water (IEC 60335-2-15);

- Fast-heating water heater (IEC 60335-2-35);

- Commercial electric hot water boilers and liquid heaters (IEC 60335-2-63);

- Commercial vending machines (IEC 60335-2-75);

- Appliances intended for industrial use;

- Equipment intended for use in special places, such as places with corrosive and

explosive gases (dust, steam or gas).

Note 3.Category I water heaters that provide emergency protection when the

grounding system is abnormal shall meet the requirements of Appendix AA.

2 Definitions

This chapter of GB 4706.1-1998 applies except for the following.