WARNING
!
Risk to health from chemicals or aggres-
sive gases/vapours.
Chemicals or aggressive gases/vapours may
harm health, especially if they are distributed
throughout the rooms by the ventilation unit.
Never use ventilation unit to convey
chemicals or aggressive gases/vapours.
WARNING
!
Magnetically sensitive objects: The two
block magnets for fixing the front plate
are very strong. Some objects react sen-
sitively to the static magnetic fields of the
permanent magnet. Various objects can
be temporarily disturbed and also perma-
nently damaged. For example, do not bring
magnetic cards (credit, bank, EC, car park
or admission tickets), watches, hearing aids,
hard disks, etc. too close to the permanent
magnets.
NOTICE: Damage to the unit
● During the build phase, damage to unit
caused by contamination of the device
and piping.
Ventilation unit operation is not permit-
ted during the build phase.
● Grease and oil vapours from range
hoods may contaminate the unit and
ventilation ducts and reduce efficiency.
Never use ventilation unit in combina-
tion with range hoods, that are connected
directly to the controlled domestic venti-
lation exhaust air channel. In rooms with
greasy exhaust air, e.g. kitchens, only
use ventilation valves with a grease filter.
Recommendation: In terms of energy con-
sumption, use range hoods in circulating
air mode.
● Damage to unit caused by condensate
if ventilation units with enthalpy ex-
changers are used in rooms with
an air humidity of > 70 % RH.
Never use ventilation units with enthalpy
exchangers for long periods at an air
2 Safety instructions | UK
● humidity > 70 % (can be used briefly up
to an RH of around 80%) (for example in
swimming pool complexes or to dry out
new builds). The ventilation unit does not
have a condensate drain and will be dam-
aged by excess condensate that cannot be
removed. The surroundings may also be
damaged by water escaping.
● Corrosion of metal parts inside the
ventilation unit by additional compo-
nents in the exhaust duct.
Do not use components which affect
temperature, moisture or air volumes on
the exhaust duct, for example if a drying
cabinet is connected to the exhaust duct.
2 Safety instructions
!
Read and observe the safety
instructions. Also observe the
safety instructions in the instal-
lation instructions.
DANGER
!
Risk to health if filters are not
replaced or there are no air
filters. Heavily contaminated
or damp air filters may collect
substances hazardous to health
(mould, germs etc.). This may
also happen if the ventilation
unit is not used for a long time.
If there are no air filters, the
ventilation unit and ducts be-
come dirty. Unfiltered substanc-
es may enter the rooms.
Never operate ventilation
unit without air filters.
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