Safety Instructions In Operation - Anti-Condensation Heating; Safety Instructions Relating To Ventilation; Safety Instruction For Forced Ventilation (Option); Safety Instructions When Operating Machines With Fan - Siemens SIMOTICS SD 1LE5 Operating Instructions Manual

Low-voltage motors
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Operation
8.1 Safety instructions for operation
8.1.1

Safety instructions in operation - anti-condensation heating

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 off the anti-condensation heating once the main
machine is switched on.
• Only switch on the anti-condensation heating after the motor has been switched off.
Comply with the data stamped on the plate of the anti-condensation heating, if available.
8.1.2

Safety instructions relating to ventilation

8.1.2.1

Safety instruction for forced ventilation (option)

Forced ventilation (optional): Type of cooling IC 416 in accordance with EN / IEC 60034-6
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.
8.1.2.2

Safety instructions when operating machines with fan

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 fingers into the larger air discharge openings.
• Prevent manual intervention by using suitable measures, e.g. appropriate housings or a
8.1.2.3

Machines with fan for the textile industry

In order to guarantee an essentially unobstructed flow of cooling air containing fluff, 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.
84
WARNING
CAUTION
protective grating.
1LE5, 1PC4 shaft height 315/355
Operating Instructions, 10/2020, A5E41454666A

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