Control And I/O Cubicle Cooling Fans - ABB ACS800-07-0610-3 Hardware Manual

Control and I/O cubicle cooling fans

The cooling fans inside the control and I/O cubicle can be replaced as follows:
1. Read and repeat the steps in section Safety instructions above.
2. Open the door of the control and I/O cubicle (or combined control, I/O and supply
cubicle).
3. Detach the wiring from each fan (AC plug and grounding wire).
4. Undo the four fastening screws of the fan assembly and pull the assembly
outwards to gain access to the fan fastening screws.
5. Undo the fastening screws of the fans (there are four for each fan) from below.
Remove the fans.
6. 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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