2.6 Specific hazards
Electric current
DANGER!
Danger of death due to electric current!
Danger of electric shock! Do not touch any live com-
ponents! Damaged insulation or damaged parts are
a life threatening hazard.
–
Have work on the electrical system carried out
only by skilled qualified electricians.
–
If the insulation is damaged, disconnect the
power supply immediately and have the insula-
tion repaired.
–
Before you start working on electric systems and
equipment, switch off the supply voltage and
secure it against being switched on accidentally.
Comply with the 5 safety rules:
–
Disconnect.
–
Secure it against being switched on acciden-
tally.
–
Ensure that no voltage is present.
–
Connect to the earth; short circuit connection.
–
Either cover nearby parts that carry a voltage
or install barriers.
–
Do not bypass or disable any circuit breakers. Be
sure to maintain the correct current rating when
you replace a circuit breaker.
–
Ensure that live parts do not come into contact
with moisture. Moisture can cause a short circuit.
Noise
WARNING!
Hearing damage due to noise!
The noise level in the work area can cause severe
hearing damage.
–
Always wear hearing protection while working.
–
Only remain in the hazardous area if absolutely
necessary.
Moving components
WARNING!
Risk of injury due to moving components!
Moving components can cause serious injuries.
–
Do not reach into or handle moving components
during operation.
–
Never open covers during operation.
–
The fan does not stop immediately! Check that
no components are moving before you open the
covers.
–
Wear tight-fitting clothing with low tear resistance
in the hazardous area.
Rotating parts
WARNING!
Risk of injury from rotating parts!
Rotating parts in the fan can cause serious injuries.
–
Do not reach into or handle the moving impeller
wheel during operation.
–
Do not open covers and maintenance covers
during operation.
–
Ensure that the impeller wheel is not accessible
during operation.
–
The fan does not stop immediately! Ensure that
none of the components are still moving before
opening the covers for maintenance purposes.
–
Switch off the unit and secure it against being
switched back on again before starting any work
on moving fan components. Wait until all parts
have come to a standstill.
Vibrations
WARNING!
Risk of injury due to strong vibrations!
Strong vibrations can result in serious injury and
chronic health impairments in the long term. The
source of the vibration can be decoupled from the
surrounding area using a vibration damper.
–
Do not deactivate the vibration damper.
–
Do not remain in the vibrating area during opera-
tion.
Safety
Specific hazards
Centrifugal fans REH; RZH; BVREH; BVRA
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