Technical data

7. MAINTENANCE / CARE

7.1 General

Maintenance of the unit for the end user is limited to the periodic cleaning of the filters and

the intake / exhaust air valves and grilles. Twice a year, the texts “FIL” followed by “tEr”

appear alternately on the display as a reminder to clean the filters. Cleaning of the valves /

grilles is recommended at the same time as the cleaning of the filters. The system must not

be operated without filters. Switch off the unit at the three-position switch or mains power

switch before changing the filters.

7.2 Filter Changing

Fig. 9 - 1

• Change the filters at least once a

year.

• To change or clean the filter, loosen

the 6 screws (A). In the case of

ceiling-mounted units, the

condensate drain must also be

removed. Then remove the front

cover.

• The unit is equipped as standard with

an outside air filter (A) and an

exhaust air filter (B) of Class G4.

• Pull the filters out of the unit from the

front and clean using a vacuum

cleaner or replace.

• Push the filter into the holder again

and check that it is seated correctly.

• Fit the front cover again and secure it

with the screws. In the case of

ceiling-mounted units, fit the

condensate siphon again.

• Switch on the unit again and cancel

the filter change display with the

button OK.