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About This Item

 

Full Description

Sets out a method for calculating the energy consumption of electric storage water heaters fitted with electric resistance heating units. This Standard is not applicable to gas water heaters, solar water heaters, heat-exchangers or heat-pumps. The Standard is based on known performance characteristics of electric storage water heaters under static conditions (i.e. standing heat losses with no deliver) and using an energy delivery of 37.7 MJ per day (equivalent to a volume of 200 L of water raised in temperature by 45 C).
 

Document History

  1. AS/NZS 1056.4:1997

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    Storage water heaters, Part 4: Daily energy consumption calculations for electric types

    • Most Recent
  2. AS 1056.4-1990


    Storage water heaters - Calculations of energy consumption

    • Historical Version
  3. AS 1056-1977


    Automatic electric storage water heaters with hot water deliveries ranging from 25 litres to 630 litres

    • Historical Version
  4. AS 1056-1972


    Automatic electric stroarge water heaters with hot water deliveries ranging from 25 litres to 630 litres

    • Historical Version
  5. AS C316-1970


    Automatic electric storage water heaters with capacities ranging from 5 gallons to 150 gallons

    • Historical Version
  6. AS C316-1965


    Automatic electric storage water heaters (10 gallons capacity and upwards)

    • Historical Version
  7. AS C316-1957


    Automatic electric sotrage water heaters (15 to 150 gallons capacity)

    • Historical Version