Space Required For Ventilation; Interlock Circuit For The External Fan Motor; Table 4-1 Space Required To Ventilate The Separately-Driven Fan - Siemens SIMOTICS FD 1MQ1 Operating And Installation Instructions
Low-voltage motor
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Preparations for use
4.4 Space required for ventilation
4.4
Space required for ventilation
Maintain a clearance for the air intake where the machine is located (A). Provide sufficient
space where the machine is located so that the fan cover can be removed and mounted as
required. The necessary space requirements are listed in the following table:
Table 4-1
4.5
Interlock circuit for the external fan motor
Interlock circuit for the external fan motor
For machines with external fans, install an interlock circuit that prevents the main machine
being switched on if the external fan is not operational.
See also
Connecting an external fan motor (Page 90)
30
Space required to ventilate the separately-driven fan
Type
1L.....-3A...-....
1M.....-3A...-....
1L.....-3B...-....
1M.....-3B...-....
1L.....-4A...-....
1M.....-4A...-....
1L.....-4B...-....
1M.....-4B...-....
Space requirement / clearance A
200 mm
220 mm
260 mm
320 mm
SIMOTICS FD 1MQ1
Operating Instructions 01/2019
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