mielerod69
Well-known member
Australian Standards
Hi Mike,
Washing machines whether top or front loading are tested to AS/NZS 2040.2. The programme used is a Normal or Cottons programme with a minimum temperature of 40 degrees. Some manufacturers also use up to 60 degrees to achieve the pass required for the label. This of course would lower the energy star rating. Therefore the programme is optimised to obtain the best energy and water rating. The standard also tests for rinse efficiency. There was a point where machines were using very little water but were not rinsing properly to obtain a high water efficiency rating. They put a marker in the wash water and see what is left behind after the cycle finishes. The less that is left the better the rinse performance. The problem with the marker is that it dissolves and rinses out easily when using higher temperatures. When Choice test, they only test to part of the standard. That is they use the standard wash load and marker for rinse efficiency, but test using the cold setting rather than what's stated on the energy label. This therefore affects the overall performance scores for dirt removal and rinse efficiency as the marker doesn't rinse out as easily when using cold water in the wash cycle.
Shhh!!! don't tell anyone!
Hi Mike,
Washing machines whether top or front loading are tested to AS/NZS 2040.2. The programme used is a Normal or Cottons programme with a minimum temperature of 40 degrees. Some manufacturers also use up to 60 degrees to achieve the pass required for the label. This of course would lower the energy star rating. Therefore the programme is optimised to obtain the best energy and water rating. The standard also tests for rinse efficiency. There was a point where machines were using very little water but were not rinsing properly to obtain a high water efficiency rating. They put a marker in the wash water and see what is left behind after the cycle finishes. The less that is left the better the rinse performance. The problem with the marker is that it dissolves and rinses out easily when using higher temperatures. When Choice test, they only test to part of the standard. That is they use the standard wash load and marker for rinse efficiency, but test using the cold setting rather than what's stated on the energy label. This therefore affects the overall performance scores for dirt removal and rinse efficiency as the marker doesn't rinse out as easily when using cold water in the wash cycle.
Shhh!!! don't tell anyone!