Electrical installation | 8
Operating instructions CMVpro 125-400 ATEX | Version 1-en
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EMC-compliant connection for FC operation
Observe the EMC instructions of the fan manufacturer as well as the operating
instructions of the FC manufacturer.
In particular, the maximum permissible length of the motor connection cable be-
tween the FC and the electric motor as well as the corresponding grounding
concept.
1.
If possible, connect the cable shield of the motor connection cable directly
to the FC output with a grounding bar.
2.
Install the isolation switch in the EMC execution and/or ATEX execution
given in the guidelines of these operating instructions.
Fig. 31:
EMC cable gland
3.
Secure the motor connection cable to the motor terminal box with an EMC
cable gland.
• Strip the cable end appropriately so that contact can be made with the
cable shield.
4.
Connect the motor connection cable to the electric motor
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