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Operation
8.1 Safety instructions during operation
Fire hazard
Certain parts of the motor may reach temperatures above 50° C. Touching them can result
in burns.
● Check the temperature of the parts before touching them and take appropriate protective
Terminal boxes with current transformers
If you are using current transformers, make sure that the secondary circuit from the current
transformer is protected against unintentional opening while the equipment is in use.
Explosion hazard if the bridging is removed from the insulated bearing
Removing the factory-fitted bridging of the insulated bearing leads to potential differences
between the rotor and the grounded motor. This can cause the generation of sparks, which
especially in an explosive atmosphere can ignite surrounding dust or combustible gases.
Explosions can occur. There is also a risk of an electric shock. Death, serious injury, or
material damage will result.
Do not open the bridging of the bearing insulation during operation.
NOTICE
Excessive machine temperature
If the anti-condensation heating is operated while the machine is running, this can increase
the temperatures inside the machine. This can result in material damage.
● Make sure that the anti-condensation heating is switched off before the machine is
● Only operate anti-condensation heating when the machine is switched off.
74
CAUTION
measures if necessary.
CAUTION
DANGER
switched on.
LOHER CHEMSTAR 1PS5
Operating Instructions 03/2014
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