Replacing The Fan In The Incoming Cubicle With The Main Breaker (Option +F255) - ABB ACS800 Hardware Manual

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Replacing the fan in the incoming cubicle with the main breaker (option +F255)

Certain IP2x/IP4x (+B053 and +B054) units with a main breaker are also fitted with
two fans at the air outlet on the roof. Replace the fans as follows:
WARNING! Read and follow the instructions in chapter
the instructions can cause physical injury or death, or damage to the equipment.
1. Switch off the power to the unit and open the main disconnecting device. Close
2. Let the intermediate circuit DC capacitors discharge for five minutes. Ensure by
3. Remove the grating (A) and the two fans by undoing the four screws (B).
4. If necessary, undo the four screws (C) to remove the airflow guide (D).
Maintenance
the grounding switch (option +F259) if there is one.
measuring that the drive is not live before starting the work.
B
C
A
D
Safety instructions. Ignoring
B
C