4. Safety instructions and warnings
Safety instructions and
warnings
Warnings: Symbols, meaning
NOTICE
Indicates a possible situation,
which could cause damage to
the product or its surroundings.
The fan unit must not be used in the
following situations under any
circumstances.
Risk of combustion/danger of fire
from flammable materials, liquids or
gases in the vicinity of the fan. Do not
place any flammable materials, liquids or
gases near the fan, which may ignite in the
event of heat or sparks and catch fire.
Steam-saturated or greasy air or
solid particles which may stick to the
fan, can soil the fan and reduce the
efficiency. Never use fan to convey these
substances.
Explosive gases and dusts may
ignite and cause serious explosions
or fire. Never use fan unit in an explosive
atmosphere (risk of explosion).
Explosive substances in lab
extraction units may ignite and
cause serious explosions or fire.
Aggressive substances may damage the fan.
Never use fan in combination with a lab
extraction unit (risk of explosion).
Risk to health from chemicals or
aggressive gases/vapours. Chemicals
or aggressive gases/vapours may harm
health, especially if they are distributed
throughout the rooms by the fan. Never use
fan to distribute chemicals or aggressive
gases/vapours.
During the build phase, damage to
unit caused by soiling of the fan and
air channels. Fan operation is not permitted
during the build phase.
Grease and oil vapours from range
hoods may contaminate the fan and
air channels and reduce efficiency. Never
use fan to convey greasy air.
Damage to the unit when
continuously conveying steam-
saturated air. Never use fan to convey
steam-saturated air.
Damage to the unit due to imbalance
of the impeller when conveying solid
particles. Never use fan to convey solid
particles that could stick to the fan.
Damage to unit in the event of
moisture ingress. Fan with IP X5
degree of protection (jet-water protection).
Never use fan outdoors.
Observe all safety
instructions.
Risks for children and
people with reduced
physical, sensory or mental
capabilities or a lack of
knowledge. Fan may only be
installed, commissioned,
cleaned and maintained by
people who can safely
recognise and avoid the risks
associated with this work.
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