5.3 Service
5.3.1 Filter replacement
Use original filters
Only use original filters. See section "Maintenance chart".
How to replace fil-
ters
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
filter.
Redundant filters must be stored immediately in sealed plastic bags and disposed
of responsibly.
Filter data
After filter replacement:
Update the new filter data in the EXact control system.
See "EXact Basic Instructions for the VEX200 series".
5.3.2 Servicing and cleaning
Cleaning motor/fan
See section "Internal transport with reduced weight" for details on how to remove
the fan units.
Step
Action
1
Switch off the power supply to the unit at the isolation switch before
opening the doors
2
Clean the fan impellers with a vacuum cleaner and wipe down with a
damp cloth if necessary
3
Clean the impeller blades carefully, so as not to disturb the balance
4
Once re-fitted, check the unit operates without vibrating
Inspection of measuring points hoses
5
Remove the hoses at the connection box
6
Blow air through the hoses to remove any impurities
Cleaning cold water
coil/heating coil
Step
Action
1
Switch off the power supply to the unit at the isolation switch
2
Vacuum clean the cold water coil/heating coil
3
Cold water coil: clean the condensation tray
4
Check the fins on the exchanger are not deformed
The fins are sharp
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