20
ä Attention
!
If the ventilation unit is placed outside the thermal shell of the
dwelling (for example in an uninsulated attic), the condensation
drain must be thermally insulated up to the ventilation unit.
ä Attention
!
A suitable siphon (horizontal or vertical) must be installed to
connect the condensate hose to the condensate drain. For a
vertical siphon, the unit must be raised sufficiently with beams.
ä
Warning!
Make sure at all times that the condensation hose sticks into
the siphon (at least 30 mm under water) up to EXPLOSURE.
Otherwise you will get leaks!
3.3. Connecting condensation drain
In winter, the exhaust air from the house can condense in the heat
exchanger. A condensation drain is integrated in the ventilation
unit for this purpose.
d) Fill the siphon to get a water trap.
a) Mount the condensate drain connection (not supplied) on the
condensate drain outlet of the ventilation unit.
b) Connect a condensation hose (minimum Ø20 mm inside) to the
condensation drain connection.
c) Feed the condensation hose to a siphon capable of creating
at least 50 mm of water trap. Insert the hose deep enough
into the siphon.
ä Attention
!
Make sure that the condensation hose is mounted from top to
bottom to the drain.
30 mm
> 50 mm
ä
Warning!
Always mount the appliance on a wall, never standing on the
floor!
ä Attention
!
The condensation hose must not have any sharp bends!
