• EN 60335-2-21:2003/corrigendum Oct. 2010

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES - SAFETY - PART 2-21: PARTICULAR REQUIREMENTS FOR STORAGE WATER HEATERS

    Available format(s): 

    Superseded date:  20-07-2021

    Language(s): 

    Published date:  12-01-2013

    Publisher:  European Committee for Standards - Electrical

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Definitions
    4 General requirement
    5 General conditions for the tests
    6 Classification
    7 Marking and instructions
    8 Protection against access to live parts
    9 Starting of motor-operated appliances
    10 Power input and current
    11 Heating
    13 Leakage current and electric strength at operating
       temperature
    14 Transient overvoltages
    15 Moisture resistance
    16 Leakage current and electric strength
    17 Overload protection of transformers and associated
       circuits
    18 Endurance
    19 Abnormal operation
    20 Stability and mechanical hazards
    21 Mechanical strength
    22 Construction
    23 Internal wiring
    24 Components
    25 Supply connection and external flexible cords
    26 Terminals for external conductors
    27 Provision for earthing
    28 Screws and connections
    29 Clearances, creepage distances and solid insulation
    30 Resistance to heat and fire
    31 Resistance to rusting
    32 Radiation, toxicity and similar hazards
    Annexes
    Annex A (informative) - Routine tests
    Annex ZA (normative) - Special national conditions
    Annex ZB (informative) - A-deviations
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes the safety of electric storage water heaters for household and similar purposes and intended for heating water below boiling temperature, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances.

    General Product Information - (Show below) - (Hide below)

    Committee TC 61
    Development Note To be read in conjunction with EN 60335-1. (04/2003)
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    11/30247843 DC : 0 BS EN 12977-2 - THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 2: TEST METHODS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    DD CEN/TS 12977-2:2010 Thermal solar systems and components. Custom built systems Test methods for solar water heaters and combisystems
    PREN 12976-2 : DRAFT 2014 THERMAL SOLAR SYSTEMS AND COMPONENTS - FACTORY MADE SYSTEMS - PART 2: TEST METHODS
    DIN EN 12977-1:2016-08 (Draft) THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    PREN 624 : DRAFT 2009 SPECIFICATION FOR DEDICATED LPG APPLIANCES - ROOM SEALED LPG SPACE HEATING EQUIPMENT FOR INSTALLATION IN VEHICLES AND BOATS
    EN 60335-2-15:2016 Household and similar electrical appliances - Safety - Part 2-15: Particular requirements for appliances for heating liquids
    S.R. CEN TS 12977-1:2010 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    DIN EN 15033 E : 2007 ROOM SEALED STORAGE WATER HEATERS FOR THE PRODUCTION OF SANITARY HOT WATER USING LPG FOR VEHICLES AND BOATS
    BS EN 624:2011 Specification for dedicated LPG appliances. Room sealed LPG space heating equipment for installation in vehicles and boats
    DIN EN 15033:2007-02 Room sealed storage water heaters for the production of sanitary hot water using LPG for vehicles and boats
    EN 12499:2003/AC:2006 INTERNAL CATHODIC PROTECTION OF METALLIC STRUCTURES
    EN 15033:2006/AC:2008 ROOM SEALED STORAGE WATER HEATERS FOR THE PRODUCTION OF SANITARY HOT WATER USING LPG FOR VEHICLES AND BOATS
    DD CEN/TS 12977-5:2010 Thermal solar systems and components. Custom built systems Performance test methods for control equipment
    DD CEN/TS 12977-1:2010 Thermal solar systems and components. Custom built systems General requirements for solar water heaters and combisystems
    04/30114109 DC : DRAFT MAY 2004 EN 12976-2 - THERMAL SOLAR SYSTEMS AND COMPONENTS - FACTORY MADE SYSTEMS - TEST METHODS
    12/30257357 DC : 0 BS EN 12976-2 - THERMAL SOLAR SYSTEMS AND COMPONENTS - FACTORY MADE SYSTEMS - PART 2: TEST METHODS
    PREN 12976-1 : DRAFT 2014 THERMAL SOLAR SYSTEMS AND COMPONENTS - FACTORY MADE SYSTEMS - PART 1: GENERAL REQUIREMENTS
    I.S. EN 12977-2:2012 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 2: TEST METHODS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    DIN EN 12977-5:2016-08 (Draft) THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 5: PERFORMANCE TEST METHODS FOR CONTROL EQUIPMENT
    BS EN 60335-2-15:2016 Household and similar electrical appliances. Safety Particular requirements for appliances for heating liquids
    S.R. CEN TS 12977-2:2010 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 2: TEST METHODS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    I.S. EN 624:2011 SPECIFICATION FOR DEDICATED LPG APPLIANCES - ROOM SEALED LPG SPACE HEATING EQUIPMENT FOR INSTALLATION IN VEHICLES AND BOATS
    12/30257354 DC : 0 BS EN 12976-1 - THERMAL SOLAR SYSTEMS AND COMPONENTS - FACTORY MADE SYSTEMS - PART 1: GENERAL REQUIREMENTS
    11/30247849 DC : 0 BS EN 12977-5 - THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 5: PERFORMANCE TEST METHODS FOR CONTROL EQUIPMENT
    07/19990369 DC : 0 BS EN 806-4 - SPECIFICATIONS FOR INSTALLATIONS INSIDE BUILDINGS CONVEYING WATER FOR HUMAN CONSUMPTION - PART 4 - INSTALLATION
    BS EN 60335-2-35:2016 Household and similar electrical appliances. Safety Particular requirements for instantaneous water heaters
    UNI CEN/TS 12977-1 : 2010 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    UNI EN 12977-2 : 2012 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 2: TEST METHODS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    S.R. CEN TS 12977-5:2010 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 5: PERFORMANCE TEST METHODS FOR CONTROL EQUIPMENT
    UNI EN 12977-5 : 2012 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 5: PERFORMANCE TEST METHODS FOR CONTROL EQUIPMENT
    BS EN 12976-2:2017 Thermal solar systems and components. Factory made systems Test methods
    I.S. EN 12977-5:2012 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 5: PERFORMANCE TEST METHODS FOR CONTROL EQUIPMENT
    I.S. EN 12976-2:2017 THERMAL SOLAR SYSTEMS AND COMPONENTS - FACTORY MADE SYSTEMS - PART 2: TEST METHODS
    EN 12977-2:2018 Thermal solar systems and components - Custom built systems - Part 2: Test methods for solar water heaters and combisystems
    EN 60335-2-35:2016 Household and similar electrical appliances - Safety - Part 2-35: Particular requirements for instantaneous water heaters
    EN 12977-1:2018 Thermal solar systems and components - Custom built systems - Part 1: General requirements for solar water heaters and combisystems
    EN 12976-2:2017 THERMAL SOLAR SYSTEMS AND COMPONENTS - FACTORY MADE SYSTEMS - PART 2: TEST METHODS
    I.S. EN 60335-2-35:2016 HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES - SAFETY - PART 2-35: PARTICULAR REQUIREMENTS FOR INSTANTANEOUS WATER HEATERS
    UNE-EN 60335-2-15:2016 Household and similar electrical appliances - Safety - Part 2-15: Particular requirements for appliances for heating liquids
    UNI CEN/TS 12977-2 : 2010 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 2: TEST METHODS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    UNI EN 624 : 2011 SPECIFICATION FOR DEDICATED LPG APPLIANCES - ROOM SEALED LPG SPACE HEATING EQUIPMENT FOR INSTALLATION IN VEHICLES AND BOATS
    DD ENV 12977-3:2001 Thermal solar systems and components. Custom built systems Performance characterisation of stores for solar heating systems
    96/102362 DC : DRAFT MAR 1996 PREN 806-2 - SPECIFICATION FOR INSTALLATION INSIDE BUILDINGS CONVEYING WATER FOR HUMAN CONSUMPTION - PART 2: DESIGN
    I.S. EN 60335-2-15:2016 HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES - SAFETY - PART 2-15: PARTICULAR REQUIREMENTS FOR APPLIANCES FOR HEATING LIQUIDS
    UNI EN 12977-1 : 2012 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    BS EN 12977-5:2012 Thermal solar systems and components. Custom built systems Performance test methods for control equipment
    BS EN 12977-2:2012 Thermal solar systems and components. Custom built systems Test methods for solar water heaters and combisystems
    EN 12977-5:2018 Thermal solar systems and components - Custom built systems - Part 5: Performance test methods for control equipment
    BS EN 12499:2003 Internal cathodic protection of metallic structures
    BS EN 15033:2006 Room sealed storage water heaters for the production of sanitary hot water using LPG for vehicles and boats
    BS EN 806-2:2005 Specifications for installations inside buildings conveying water for human consumption Design
    UNE-EN 624:2011 Specification for dedicated LPG appliances - Room sealed LPG space heating equipment for installation in vehicles and boats
    EN 806-2:2005 Specification for installations inside buildings conveying water for human consumption - Part 2: Design
    EN 624:2011 Specification for dedicated LPG appliances - Room sealed LPG space heating equipment for installation in vehicles and boats
    BS EN 12977-1:2012 Thermal solar systems and components. Custom built systems General requirements for solar water heaters and combisystems
    DD ENV 12977-1:2001 Thermal solar systems and components. Custom built systems General requirements
    04/30113768 DC : DRAFT MAY 2004 EN 12976-1 - THERMAL SOLAR SYSTEMS AND COMPONENTS - FACTORY MADE SYSTEMS - PART 1: GENERAL REQUIREMENTS
    09/30201902 DC : 0 BS EN 624 - SPECIFICATION FOR DEDICATED LPG APPLIANCES - ROOM SEALED LPG SPACE HEATING EQUIPMENT FOR INSTALLATION IN VEHICLES AND BOATS
    14/30298615 DC : 0 BS EN 12976-1 - THERMAL SOLAR SYSTEMS AND COMPONENTS - FACTORY MADE SYSTEMS - PART 1: GENERAL REQUIREMENTS
    14/30298612 DC : 0 BS EN 12976-2 - THERMAL SOLAR SYSTEMS AND COMPONENTS - FACTORY MADE SYSTEMS - PART 2: TEST METHODS
    DD ENV 12977-2:2001 Thermal solar systems and components. Custom built systems Test methods
    02/207214 DC : DRAFT JULY 2002 PREN 12499 - INTERNAL CATHODIC PROTECTION OF METALLIC STRUCTURES
    UNI EN 806-2 : 2008 SPECIFICATION FOR INSTALLATIONS INSIDE BUILDINGS CONVEYING WATER FOR HUMAN CONSUMPTION - PART 2: DESIGN
    I.S. EN 12977-1:2012 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    DIN EN 12977-2:2016-08 (Draft) THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 2: TEST METHODS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    DIN EN 624:2011-10 Specification for dedicated LPG appliances - Room sealed LPG space heating equipment for installation in vehicles and boats
    DIN EN 806-2:2005-06 Specification for installations inside buildings conveying water for human consumption - Part 2: Design
    DIN EN 12977-5:2012-06 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 5: PERFORMANCE TEST METHODS FOR CONTROL EQUIPMENT
    CEN/TS 12977-2:2010 Thermal solar systems and components - Custom built systems - Part 2: Test methods for solar water heaters and combisystems
    CEN/TS 12977-1:2010 Thermal solar systems and components - Custom built systems - Part 1: General requirements for solar water heaters and combisystems
    CEN/TS 12977-5:2010 Thermal solar systems and components - Custom built systems - Part 5: Performance test methods for control equipment
    DIN EN 12977-1:2012-06 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
    UNE-EN 60335-2-35:2016 Household and similar electrical appliances - Safety - Part 2-35: Particular requirements for instantaneous water heaters

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 13732-1:2006 Ergonomics of the thermal environment — Methods for the assessment of human responses to contact with surfaces — Part 1: Hot surfaces
    IEC 60335-2-35:2012+AMD1:2016 CSV Household and similar electrical appliances - Safety - Part 2-35:Particular requirements for instantaneous water heaters
    IEC 60335-2-15:2012+AMD1:2016 CSV Household and similar electrical appliances - Safety - Part 2-15:Particular requirements for appliances for heating liquids
    IEC 60335-2-75:2012+AMD1:2015 CSV Household and similar electrical appliances - Safety - Part 2-75:Particular requirements for commercial dispensing appliances and vending machines
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