Vallox C3741, Руководство пользователя

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13
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CLEANING THE FANS
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). Undo the mounting screws (K, 3 screws) of the air flow
control grille of the extract air fan and remove the grille.
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) (3 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.
Ensure that the grille of the extract air fan is in place.
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.
MAINTENANCE
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
K