Ensure Adequate Cooling - Siemens SIMOTICS XP Operating Instructions Manual

4.6

Ensure adequate cooling

Overheating and failure of the motor
Death, severe injury or material damage can occur if you do not carefully observe the
following points.
• Do not obstruct ventilation.
• Prevent the air expelled by neighboring equipment from being immediately sucked in
• For vertical types of machine construction with the air intake from above, protect the air
• If the shaft extension is facing upwards, liquid must be prevented from entering by
Damage to the ventilation system
Material damage and injury can occur if the fan is destroyed and therefore the machine
overheats.
• Prevent foreign bodies from falling into the fan cover. For vertical machine installation
• Take suitable measures to prevent water from entering the ventilation system. The
• Ensure that the cooling air flow is not reduced as a result of covers and that the
For machines with separately driven fans, install an interlock circuit that prevents the main
machine being switched on if the separately driven fan is not operational.
1MB..5/6 shaft height 71 ... 355
Operating Instructions, 10/2021, A5E41926185A
WARNING
again.
intakes from the ingress of foreign bodies and water.
moving along the shaft.
WARNING
with the shaft end facing downwards, attach a protective canopy.
optional canopy is not suitable as protection against water ingress.
minimum air clearances are maintained.
Preparations for use
4.6 Ensure adequate cooling
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