5.3 Hygiene (VEX100VDI only)
VDI6022 air hygiene
standard
To ensure that the VEX100 meets the requirements of the VDI6022 hygiene
standard, its design ensures that:
● bacterial growth and dirt accumulation are minimal
● conditions for cleaning are optimum
Filter ePM
1
55%
The outdoor air side of the unit must as a minimum be fitted with an ePM
1
55% filter
(F7) to meet VDI 6022 requirements.
5.4 Servicing and cleaning
5.4.1 Filter change
Disconnect power at the isolation switch before opening the door.
Pull the filters out. Remember to check the flow direction - see the arrows on the fil-
ter.
Discarded filters must be stored immediately in sealed plastic bags and disposed of
responsibly.
Filter change in
menu 8.1
After filter change (timer operation only):
Go to menu 8.1 in the EXact control
system and select "Yes" next to filter change to reset the operating days counter.
5.4.2 Cleaning the fans
Step Action
1
Switch off the power supply to the unit at the isolation switch before
opening the doors.
2
Pull out the fan section: Release the fixing screw on each sliding rail and
undo the ties on the motor cables. Pull the fan unit out to the stop (two
screws) on the sliding rails.
3
Clean the fan impeller with a vacuum cleaner and wipe down with a
damp cloth if necessary. Clean the blades on the fan impeller carefully to
avoid disrupting the balance If there are weights on the fan impeller,
these must not be removed.
4
After cleaning the fan impeller, check that the unit does not vibrate when
operating.
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