Replacing The Fans In The Auxiliary Control Cubicle - ABB ACS800 Hardware Manual

Replacing the fans in the auxiliary control cubicle

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
the grounding switch (option +F259) if there is one.
2. Let the intermediate circuit DC capacitors discharge for five minutes. Ensure by
measuring that the drive is not live before starting the work.
3. Open the door of the auxiliary control cubicle (or combined auxiliary control
cubicle and supply cubicle).
4. Detach the wiring from each fan (AC plug and grounding wire).
5. Undo the four fastening screws of the fan assembly and pull the assembly
outwards to gain access to the fan fastening screws.
6. Undo the fastening screws of the fans (there are four for each fan) from below.
Remove the fans.
7. Install new fans in reverse order. Before fastening the fans, make sure the
airflow arrow on both fans is pointed up.
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4
Safety
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instructions. Ignoring
5
Maintenance