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Operation
8.1 Safety instructions for operation
NOTICE
Risk of corrosion due to condensation
If the machine and/or ambient temperatures fluctuate, this can result in condensation inside
the machine.
• If the motor has anti-condensation heating, switch it on after the motor has been
Switching on the machine with anti-condensation heating (optional)
Machine overheating
Minor injury or material damage can occur if you do not observe the following:
• If available, switch off the anti-condensation heating each time before switching on.
Explosion hazard from hybrid mixtures
Hybrid mixtures are mixtures of flammable dusts with explosive gas/air atmospheres which
can together create a dangerous explosive atmosphere if they occur at the same time.
Changes can arise in the safety characteristics here, such as a change in the zonal
classification, increase in the explosion pressure, reduction in the minimum ignition energy
and a reduction in the maximum temperatures to be observed.
An explosion can result. This can result in death, serious injury or material damage.
• For this reason, the relative characteristics must be considered both for gas (zones 0, 1
• Motors with dual plates for G ("Gas") and D ("Dust") may only be used where these two
Explosion hazard due to overheating of the machine caused by a layer of dust
Layers of dust thicker than 5mm can insulate the machine, resulting in overheating. The
maximum surface temperature of the machine cannot be adhered to. The dust can ignite,
resulting in an explosion. This can result in death, serious injury or material damage.
• Dust the machine regularly.
• Do not allow dust layers thicker than 5 mm to build up on the machine surface.
• Do not switch the machine on until the dust has been removed.
96
switched off.
CAUTION
DANGER
and 2) and for dust (zones 20, 21 and 22) where hybrid mixtures arise. It is necessary
for a competent assessor to determine in the individual case whether the parameters
determining ignition are unfavorably affected in a particular hybrid mixture.
occur after prior examination of the properties of the hybrid mixtures by the user.
WARNING
Operating Instructions, 03/2018, A5E41926185A
1MB155 / 1MB555
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