Fans; Replacing The Power Module Cooling Fans - ABB PVS800-57B Maintenance Manual

Fans

Replacing the power module cooling fans


WARNING! Obey the safety instructions on page 9. If you ignore the
instructions, physical injury or death, or damage to the equipment can
occur.
1. Before you start, stop the inverter and do the steps in
page 12.
2. Open the cover plates of the ISU cabinet.
3. Remove the screws that hold the cover plate of the fan unit.
4. Lift the cover plate slightly to release it.
5. Disconnect the fan wiring.
6. Remove the power supply unit below the fan unit.
7. Remove the screws from the fan unit.
8. Pull out the fan unit.
9. Install a new fan unit in reverse order.
Performing electrical work
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Maintenance 63
on
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