BS EN 14743 : 2005
Current
The latest, up-to-date edition.
WATER CONDITIONING EQUIPMENT INSIDE BUILDINGS - SOFTENERS - REQUIREMENTS FOR PERFORMANCE, SAFETY AND TESTING
Hardcopy , PDF
English
01-01-2007
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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
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.
| Committee |
B/504/13
|
| DevelopmentNote |
Supersedes 03/110917 DC (02/2006)
|
| DocumentType |
Standard
|
| Pages |
26
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NS EN 14743 : 2005 + A1 2007 | Identical |
| EN 14743:2005+A1:2007 | Identical |
| SN EN 14743 : 2005 + A1 2007 | Identical |
| NBN EN 14743 : 2006 + A1 2007 | Identical |
| DIN EN 14743:2007-09 | Identical |
| NF EN 14743 : 2006 + A1 2007 | Identical |
| I.S. EN 14743:2005 | Identical |
| UNI EN 14743 : 2007 | Identical |
| UNE-EN 14743:2006 | Identical |
| NEN EN 14743 : 2005 + A1 2007 | Identical |
| 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 |
| 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 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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