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|Standard: NF EN 1886: 2006
Ventilation of buildings - Air handling units - Mechanical performances
Role: To assess the air leak level around the filtering cells as well as leaks from the exterior to the interior upstream of the filter.
The air bypass around the filter cells reduces the effective output of the latter because the bypass air is not filtered. Sodistra has performed the tests on its air handling units, for which we are classified at the highest performance level by TUV Nord.
Filter bypass leaks, negative test pressure 400 Pa: