EN 12244-1:1998

FOREWORD
1 Scope
2 Normative references
3 Definitions
    3.1 Direct gas-fired washing appliance
    3.2 Gases
    3.3 Appliance construction
    3.4 Immobilizing an adjuster or a control
    3.5 Appliance performance
    3.6 Marking of the appliance and packaging
4 Classification
    4.1 Classification of gases
    4.2 Classification of appliances
5 Construction and design requirements
    5.1 General
          5.1.1 Conversion to different gases
          5.1.2 Materials and method of construction
          5.1.3 Screws
          5.1.4 Maintenance and use
          5.1.5 Thermal insulation
          5.1.6 Connections
          5.1.7 Supply of combustion air and evacuation
                  of combustion products
          5.1.8 Soundness
          5.1.9 Water filter
          5.1.10 Checking the state of operation
          5.1.11 Electrical equipment
          5.1.12 Motors
          5.1.13 Operational safety in the event of
                  fluctuation, interruption and restoration
                  of the auxiliary energy
    5.2 Requirements for adjusting, control and safety
          devices
          5.2.1 General
          5.2.2 Automatic shut-off valves
          5.2.3 Multifunctional controls
          5.2.4 Flame supervision devices
          5.2.5 Governors
          5.2.6 Gas rate adjusters
          5.2.7 Automatic burner control systems
          5.2.8 Gas strainers
          5.2.9 Atmosphere sensing device
          5.2.10 Spillage monitoring device
    5.3 Ignition devices
          5.3.1 General
          5.3.2 Ignition device for the main burner
          5.3.3 Ignition burners
    5.4 Ignition burner or start-gas flame establishment
    5.5 Main flame establishment
          5.5.1 Establishment by means of an ignition
                  burner or start-gas flame
          5.5.2 Direct establishment of the main flame
                  e.g. spark ignition hot surface igniter
    5.6 Burners
    5.7 Thermostats and control of water temperature
          5.7.1 General requirements
          5.7.2 Temperature limiting device
    5.8 Water level control device
    5.9 Clocks and timing devices
    5.10 Pressure test points
    5.11 Mechanical hazards
          5.11.1 General
          5.11.2 Requirements for appliances with an
                  opening dimension exceeding 30 cm and a
                  drum having a volume exceeding 100 dm
    5.12 Appliance stability
6 Operational safety
    6.1 General
          6.1.1 Characteristics of test gases: reference
                  and limit gases
          6.1.2 Conditions for preparation of test gases
          6.1.3 Practical application of test gases
          6.1.4 Test pressures
          6.1.5 Test procedures
          6.1.6 Test room
          6.1.7 Preparation of the appliance
          6.1.8 Test conditions
    6.2 Screws
          6.2.1 Requirements
          6.2.2 Tests
    6.3 Manually operated devices of the automatic
          burner control system
          6.3.1 Requirements
          6.3.2 Tests
    6.4 Mechanical hazards
          6.4.1 General
          6.4.2 Additional requirements for appliances
                  with an opening dimension exceeding
                  30 cm and a drum having a volume
                  exceeding 100 dm
    6.5 Stability of appliances
          6.5.1 Requirements
          6.5.2 Tests
    6.6 Soundness
          6.6.1 Soundness of the gas circuit
          6.6.2 Soundness of the water circuit
          6.6.3 Soundness of the combustion circuit and
                  correct evacuation of the combustion
                  products for type B appliances
    6.7 Nominal heat input
          6.7.1 General
          6.7.2 Requirements
          6.7.3 Tests
    6.8 Heat input of ignition burners
          6.8.1 Requirements
          6.8.2 Tests
    6.9 Burners
          6.9.1 Resistance to overheating
          6.9.2 Escape of unburnt gas
    6.10 Limiting temperature of various parts of the
          appliance
    6.11 Limiting temperature of floor, walls and worktop
    6.12 Limiting temperature of components
    6.13 Motor limiting temperatures
    6.14 Flue gas temperature
    6.15 Ignition, cross-lighting and flame stability
    6.16 Flame supervision devices
    6.17 Governors
    6.18 Atmosphere sensing device
    6.19 Spillage monitoring device
    6.20 Combustion
    6.21 Soot deposition
    6.22 Cyclic operation
    6.23 Temperature limiting device
    6.24 Water level control device
7 Marking
    7.1 Marking of the appliance
    7.2 Marking of the packaging
    7.3 Utilization of symbols on the appliance and
          packaging
    7.4 Instructions
    7.5 Presentation
Annex A (informative) National situations
    A.1 Categories listed in the body of the standard
           marketed in the different countries
    A.2 Appliance supply pressures corresponding to the
           categories given in A.1
    A.3 Special categories marketed nationally or
           locally and corresponding test gases
    A.4 Test gases corresponding to the special categories
           given in A.3
    A.5 Gas connections in the various countries
    A.6 Water connection conditions in common use in
           the various countries
    A.7 Flue connections in the various countries
    A.8 Equivalence rules
Annex B (normative) Protection against electric shock for
         high voltage ignition devices
    B.1 Protection against accessibility to live parts
    B.2 Requirements
    B.3 Test
    B.4 Measurement
    B.5 Protection
Annex C (normative) Description of the sealed room for the
         test appliances with atmosphere sensing devices
    C.1 Configuration of the sealed room
    C.2 Soundness of the room
    C.3 Effectiveness of mixing
Annex D (normative) Special national conditions
Annex ZA (informative) Clauses of this European Standard
         addressing essential requirements or other
         provisions of EU Directives

This part 2 of the standard EN 12244 specifies the requirements and test methods for relational use of energy of direct gas-fired washing appliances with or without heat exchanger, with or without spin dryer, of types : - A1 and A1AS not exceeding a heat input of 6 kW ; - B11, B11AS and B11BS not exceeding a heat input of 20 kW, hereafter referred to as 'appliances'. This Standard does not apply to: a) catalytic combustion appliances; b) appliances intended to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere; c) appliances intended to be used in vehicles or on board ships or aircraft. This standard covers type testing only.