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MAINTENANCE INSTRUCTIONS
MAINTENANCE
Before starting
maintenance operations
When you open the VALLOX TSK
Multi 50/80 SC BP unit, the safety
switch of the door (T) turns power
off from the unit. In spite of that,
always disconnect the plug of the
VALLOX TSK Multi 50/80 SC BP
unit before starting maintenance
operations.
Filters
When the maintenance reminder gives an alarm, the cleanliness of
the fi lters must be checked.
Outdoor air is fi ltered in the unit with two kinds of fi lters. A coarse
fi lter (A) fi lters off insects, heavy pollen and other dust. An F7 class
fi ne fi lter (B) fi lters off fi ne dust invisible to the eye. Extract air is fi ltered
with a coarse fi lter (C).
By using original Vallox fi lters you ensure good operation of the
ventilation unit and the best fi ltering result. The replacement interval
of fi lters depends on dust content in ambient air. It is recommended to
replace fans in spring and autumn, but at least once a year.
Heat recovery cell
When you replace the fi lters, you are also advised to check the
cleanliness of the heat recovery (HR) cell (D) at about two-year
intervals.
The G4 fi lters and their supports, the sealing ledge (E) above the HR
cell and the side sealing ledge (F) must be pulled off before the cell
can be detached. When the sealing ledge has been removed, the
HR cell can be pulled out of the unit.
Note! The laminas of the HR cell are very thin and get easily
damaged.
The correct way to remove the HR cell is to put your hands behind
the HR cell and slowly pull it off. If the HR cell is dirty, wash it by
immersing it in a solution of water with washing-up liquid. Rinse the
HR cell clean with a jet of water. When water has drained from
between the laminas, you can push the HR cell back in place.
Finally, push the sealing ledges and fi lters in place.
© VALLOX • We reserve the right to make changes without prior notice.
What the units include can vary depending on the sales area.
T
C
B
VALLOX TSK Multi 50/80 SC BP fi lters and heat recovery cell
The units are available as right- and left-handed models. In a right-handed
(model R) model, outdoor air comes to the unit from the right side of the
centre line, as shown in the instructions. In a left-handed (model L) unit, out-
door comes from the left side of the unit. The fi lters, summer/winter damper
and heating radiator change places correspondingly.
E
D
Vallox TSK
Multi 50
SC BP
80
A
F
3
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