Overheating as a result of the anti-condensation heating
If the anti-condensation heating is operated while the machine is operational, this can increase
the temperatures inside the machine and cause material damage.
• Install an interlock circuit that switches o the anti-condensation heating once the main
machine is switched on.
• Only switch on the anti-condensation heating after the motor has been switched o. Comply
with the data stamped on the plate of the anti-condensation heating, if available.
8.1.3 Safety instructions relating to ventilation and cooling
8.1.3.1 Safety instruction for forced ventilation (option)
Forced ventilation (optional): Type of cooling IC 416 in accordance with EN/IEC60034-6
WARNING
Risk of burning
Operating the machine without external fan results in overheating. This may result in death,
personal injury and material damage.
• Never commission the machine without an external fan.
8.1.3.2 Safety instructions when operating machines with fan
CAUTION
Risk of injury when touching the fan
There is a risk of injury at machines equipped with a fan cover (e.g. on machines in the textile
industry), as the fan is not completely touch protected.
• Do not touch the rotating fan.
• Do not put your ngers into the larger air discharge openings.
• Prevent manual intervention by using suitable measures, e.g. appropriate housings or a
protective grating.
8.1.3.3 Machines with fan for the textile industry
In order to guarantee an essentially unobstructed ow of cooling air containing u, remains of
materials or similar dirt, machines used in the textile industry have a larger air discharge cross-
section between the edge of the cover and the cooling ribs of the machine frame.
These machines have a warning sticker on the fan cover.
Operation
8.1Safety instructions for operation
1LE1, 1FP1/3, 1PC1/3 shaft height 63 ... 315
88 Operating Instructions, 11/2023, A5E38483075A
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