1 Scope
This standard specifies classification and model, materials and structures, requirements, test methods, acceptance rules, marking and instructions, packaging, transportation and storage of condensing domestic gas instantaneous water heaters for the production of domestic hot water (hereinafter referred to as the condensing water heaters).
This standard is applicable to forced exhaust type condensing gas water heater, forced exhaust & supply type one and outdoor one with rated heat input not greater than 70kW, complying with GB/T 13611, excluding manufactured-gas-fired one.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
GB/T 191 Packaging-Pictorial Marking for Handling of Goods (GB/T 191-2008, ISO 780:1997, MOD)
GB/T 1019-2008 General Requirements for the Package of Household and Similar Electrical Appliances
GB 4208 Degrees of Protection Provided by Enclosure (IP Code) (GB 4208-2008, IEC 60529:2001, IDT)
GB 4706.1-2005 Household and Similar Electrical Appliances - Safety - Part 1: General Requirements(IEC 60335-1:2004(Ed4.1)IDT)
GB/T 5013.1-2008 Rubber Insulated Cables of Rated Voltages Up to and Including 450/750 V - Part 1: General Requirements (IEC 60245-1:2003, IDT)
GB/T 5023.1-2008 Polyvinyl Chloride Insulated Cables of Rated Voltages Up to and Including 450/750V - Part 1: General Requirements(IEC 60227-1:2007, IDT)
GB/T 7306.1 Pipe Threads with 55 Degree Thread Angle Where Pressure-tight Joints Are Made on the Threads - Part 1: Parallel Internal and Taper External Threads(GB/T 7306.1-2000, eqv ISO 7-1:1994)
GB/T 7306.2 Pipe Threads with 55 Degree Thread Angle Where Pressure-tight Joints Are Made on the Threads - Part 2: Taper Internal and External Threads (GB/T 7306.2-2000, eqv ISO 7-1:1994)
GB/T 7307 Pipe Threads with 55 Degree Thread Angle where Pressure-tight Joints are Made on the Threads (GB/T 7307-2001, eqv ISO 228-1:1994)
GB/T 12113-2003 Methods of Measurement of Touch Current and Protective Conductor Current (IEC 60990-1999, IDT)
GB/T 13611 Classification and Essential Property of City Gas
GB 14536.1-2008 Automatic Electrical Controls for Household and Similar Use - Part 1: General Requirements(IEC 60730-1:2003, IDT)
GB 14536.6-2008 Automatic Electrical Controls for Household and Similar Use - Particular Requirements for Automatic Electrical Burner Control Systems(IEC 60730-2-5:2004, IDT)
GB 14536.10-2008 Automatic Electrical Controls for Household and Similar Use - Particular Requirements for Temperature Sensing Controls(IEC 60730-2-9:2004, IDT)
GB/T 17624.1 Electromagnetic Compatibility - General - Application and Interpretation of Fundamental Definitions and Terms(GB/T 17624.1-1998, eqv IEC 61000-1-1:1992)
GB/T 17626.4 Electromagnetic Compatibility-Testing and Measurement Techniques-Electrical Fast Transient/Burst Immunity Test(GB/T 17626.4-2008, IEC 61000-4-4:2004, IDT)
GB/T 17626.5 Electromagnetic Compatibility - Testing and Measurement Techniques - Surge (Impact) Immunity Test(GB/T 17626.5-2008, IEC 61000-4-5:2005, IDT)
GB/T 17626.11 Electromagnetic Compatibility-Testing and Measurement Techniques—Voltage Dips, Short Interruptions and Voltage Variations Immunity Tests(GB/T 17626.11-2008, IEC 61000-4-11:2004, IDT)
GB/T 17799.1-1999 Electromagnetic Compatibility - Generic Standards - Immunity for Residential, Commercial and Light-industrial Environments(IEC 61000-6-1:1997, IDT)
CJ/T 222 Quality Assessment Procedures and Test Rules for Gas-burning Appliances for Domestic Use
3 Terms and Definitions
For the purposes of this standard, the terms and definitions specified in GB 14536.1-2008 (including Definition H.2), GB 14536.6, GB 14536.10 and GB/T 17624.1 and those listed below apply.
3.1
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Classification and Model
5 Materials and Structures
6 Requirements
7 Test Methods
8 Acceptance Rules
9 Marking and Instructions
10 Packaging, Transportation and Storage
Appendix A (Normative) Composition and Sealing Force Requirements of Gas Automatic Valve in Gas Circuit
Appendix B (Normative) Correction of Condensing Water Heater Efficiency
Appendix C (Normative) Electric Safety When Using A.C. Condensing Water Heaters
Appendix D (Normative) Electromagnetic Compatibility Safety of Condensing Water Heater Installed with Electronic Control System
Appendix E (Normative) Corresponding Articles of This Standard Supporting Basic Requirements of GB 16914-2003
