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  • BS EN 14743 : 2005

    Current The latest, up-to-date edition.

    WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - SOFTENERS - REQUIREMENTS FOR PERFORMANCE, SAFETY AND TESTING

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2007

    Publisher:  British Standards Institution

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

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Requirements
      4.1 Softener specification
      4.2 Quality of materials and chemicals
          4.2.1 Cation exchange resin
          4.2.2 Regenerating salt
      4.3 Design and manufacturing specifications
          4.3.1 Resistance to hydrostatic pressure
          4.3.2 Resistance to cyclic pressure
          4.3.3 Minimum and maximum operating pressure
          4.3.4 Resistance to temperature
          4.3.5 Electrical safety
          4.3.6 Salt tank
          4.3.7 Continuity of supply during regeneration
          4.3.8 Protection against backflow and infiltration of brine
          4.3.9 Noise level
          4.3.10 Air vent
          4.3.11 End connections
          4.3.12 Drain connections
      4.4 Operating specifications
          4.4.1 Initiation of regeneration
          4.4.2 Brining efficiency
          4.4.3 Regeneration water
          4.4.4 Quality of treated water after regeneration
          4.4.5 Continuous flow rate
          4.4.6 Pressure drop
          4.4.7 Exchange capacity
      4.5 Installation specifications
          4.5.1 Connection to mains water supply and existing pipe network
          4.5.2 Drain
          4.5.3 Electrical connection
    5 Labelling
      5.1 Identification of equipment
      5.2 Safety labelling
    6 Technical documentation
    7 Test methods
      7.1 Test conditions
          7.1.1 Ambient air
          7.1.2 Water and salt
          7.1.3 Test rig
          7.1.4 Analysis
      7.2 Cation exchange resin
      7.3 Technical documentation
      7.4 Manufacturing tests
          7.4.1 Resistance to hydrostatic pressure
          7.4.2 Resistance to cyclic pressure
          7.4.3 Continuity of water supply
          7.4.4 Protection against backflow
          7.4.5 Air displacement
      7.5 Operating characteristics
          7.5.1 General
          7.5.2 Nominal flow rate
          7.5.3 Regenerations
          7.5.4 Exchange capacity
          7.5.5 Brine efficiency
          7.5.6 Regeneration water
          7.5.7 Quality of treated water after a regeneration
    Annex A (normative) Installation, operation and maintenance
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines requirements relating to the construction and mode of operation and relevant methods of testing of automatic, salt-regenerated, cation exchange softeners for drinking water installations inside buildings which are permanently connected to the mains supply.

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

    Committee B/504/13
    Development Note Supersedes 03/110917 DC (02/2006)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    BS 7593:2006 Code of practice for treatment of water in domestic hot water central heating systems
    BS 8542:2011 Calculating domestic water consumption in non-domestic buildings. Code of practice

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

    ISO 3822-1:1999 Acoustics Laboratory tests on noise emission from appliances and equipment used in water supply installations Part 1: Method of measurement
    EN 973:2009 Chemicals used for treatment of water intended for human consumption - Sodium chloride for regeneration of ion exchangers
    EN ISO 11885:2009 Water quality - Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES) (ISO 11885:2007)
    EN 15161:2006 Water conditioning equipment inside buildings - Installation, operation, maintenance and repair
    EN 1717:2000 Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow
    ISO 11885:2007 Water quality Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES)
    ISO 10304-1:2007 Water quality Determination of dissolved anions by liquid chromatography of ions Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate
    EN ISO 228-1:2003 Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation (ISO 228-1:2000)
    ISO 7-1:1994 Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation
    EN ISO 3822-1:1999/A1:2008 ACOUSTICS - LABORATORY TESTS ON NOISE EMISSION FROM APPLIANCES AND EQUIPMENT USED IN WATER SUPPLY INSTALLATIONS - PART 1: METHOD OF MEASUREMENT
    EN 60335-1:2012/A13:2017 HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES - SAFETY - PART 1: GENERAL REQUIREMENTS (IEC 60335-1:2010, MODIFIED)
    ISO 228-1:2000 Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation
    EN ISO 10304-1:2009 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate (ISO 10304-1:2007)
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