Fortyndingssystemets strømningshastigheder (fuldstrøm eller delstrøm) indstilles således, at kondensation af vand i systemet undgås, og således at filteroverfladens temperatur ikke overstiger 325 K (52 °C) (jf. bilag V, punkt 2.3.1, DT).
The flow rates of the dilution system (full flow or partial flow) shall be set to eliminate water condensation in the system, and to obtain a maximum filter face temperature of 325 K (52 °C) or less (see section 2.3.1 of Annex V, DT).