4
SC BP
Vallox TSK
Multi
50
80
© VALLOX • We reserve the right to make changes without prior notice.
What the units include can vary depending on the sales area.
MAINTENANCE INSTRUCTIONS
Fans
Check the cleanliness of the fans when carrying out maintenance
for a fi lter and the heat recovery cell. Clean the fans if needed. The
fans can be removed from the unit for cleaning. The fan blades can
be cleaned with compressed air or with a brush. Do not remove or
move the balancing pieces on the fan blade.
Detaching of supply air fan, right-handed unit
(When detaching the supply air fan of a left-hand unit, reverse the
instructions)
Detaching of extract air fan, right-handed unit
(When detaching the extract air fan of a left-hand unit, reverse the
instructions)
Unit with HR cell and fi lters removed
1. Unfasten the fi xing screw of the
fan housing.
1. Unfasten the fi xing screw
of the fan housing.
2. Detach the connector
package of the fan motor
from the front plate.
3. Detach the connectors from
each other by pressing the
white tongue.
4. Detach the connector of
the preheating radiator.
If there is no preheating
radiator in the unit, move
to item 6.
2. Pull the bypass duct/fi lter
stand bundle out and turn
it to the right.
3. Detach the wire of
the damper, remove
the bypass duct/
fi lter stand package
and take the
connector out of the
way.
4. Tilt the supply air fan to the right,
pull the connector package of the
fan off from the wall and detach
the connectors from each other by
pressing the white tongue.
5. Pull the fan damper out
from the unit by tilting it
forwards.
2
1
3
2
1
3
4
4
4
5
5
6
5. Take the connector
and its wire away
from the fan
housing.
Detaching of supply and extract air fan
Before detaching the supply and extract air fan, the fi lters and the heat
recovery cell of the unit have to be removed as described earlier. The
detaching and remounting of the fan housings and bypass duct must
be done carefully according to the following instructions in order to
avoid damage. Because the unit is small in size, there is not much
room for maintenance.
6. Pull the fan housing
out by tilting it
backwards.
The mounting of the fan housings is carried out in the opposite order.
