Classification Of Air Filters; Installing Air Filters - Airflow Duplexvent Flexi DV650 Instructions For Installation, Use And Maintenance Manual


Connect a pipe or hose (not included; a standard washing machine hose is recommended) to the
condensate outlet and shape it into a siphon trap with dimensions as shown in the picture.
Appropriately secure the siphon trap shape and connect it to the sewer line.

Check the entire length of the pipe including the parts inside the unit for free passage and its
sloping.

Prime the condensate drain siphon trap.

5.9. Classification of air filters


If the unit is fitted with filters of various filtration grades (ISO EPM1 50% and ISO EPM10 50%),
then the ISO EPM1 50% grade filter is an outdoor air filter (ODA) and the ISO EPM10 50% grade
filter is an extract air filter (ETA).

The outdoor air filter is installed in chamber e1 (ODA), the extract air filter in chamber i1 (ETA).
5.10.

Installing air filters


The unit is supplied with separately packaged filter cassettes. Remove and unpack the cassettes
and check their condition. Then install the cassettes in their proper locations on the unit as shown
in the Chapter 5.9.
Unpack and install air filters last, immediately before putting the unit into service to avoid their

contamination.

Should any damage or contamination be detected, replace them with new ones. Spare filter
cassettes are to be ordered from the Supplier. The supplier´s address and the spare cassette part
number are shown on the identification plate of the unit.
Insert undamaged clean filters into the guide rails and secure following the instructions in the
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pictures:
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