44
MAINTENANCE
CLEANING THE FANS (INSTALLER)
Check the cleanliness of the fans when servicing the filters and the heat
recovery cell. Clean the fans as required.
You can clean the fan blades with compressed air (wear protective
goggles) or by brushing them gently. Do not remove or move the fan
blade balancing weights.
To clean the fan:
1. Disconnect the ventilation unit from the mains electricity supply.
2. Open door of the Vallox ventilation unit by undoing the finger screws.
3. Lift the door off.
CAUTION
The door is heavy.
4. Remove the extract air filter (C), the sealing strip (E) and the heat
recovery cell (D). See chapters “Replacing the filters” and “Cleaning
the heat recovery cell”.
5. Disconnect the quick connector (H) of the supply air fan (T) and/or the
extract air fan (P) cables.
6. Push the fan cables and the rubber feed through (I) into the fan
chamber.
7. Remove the wing screws used to fasten the fans (J) (3 screws per fan).
8. Remove the fan from the unit by pulling it forward and by tilting it
slightly backwards at the same time.
9. Remove the mounting screws (K) (4 screws) of the air flow control
grille of the supply air fan and remove the grille. You can now clean
the fan. Put the control grille back in place after cleaning.
10. Reassemble in reverse order after cleaning. Ensure that the rubber
feed throughs set in place when reinstalling the fan.
11. Close the door. Ensure that the safety switch catch of the door is
touching the safety switch.
12. Plug the ventilation unit back into the mains.
The fan has now been checked and cleaned.
IMPORTANT
The fans are extremely
sensitive to external shocks. It
is recommended that the fans
be cleaned in place, i.e. without
attempting to remove them.
Handle the fan blades carefully.
Do not remove or move the fan
blade balancing weights.
T
P
D
C
E
I
T
P
H
J
J
K
S
Содержание Vallox TSK Multi 80 MV
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