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Power connections and quick connectors
Retightening the power connections
￭
WARNING!
Obey the safety instructions of the drive. If you ignore them, injury or death,
or damage to the equipment can occur. If you are not a qualified electrical
professional, do not do installation, commissioning or maintenance work.
1.
Stop the drive and do the steps in section
you start the work.
2.
Examine the tightness of the cable connections. Use the tightening torques given in
the technical data.
Fans
The lifespan of the cooling fans of the drive depends on running time, ambient temperature
and dust concentration. See the firmware manual for the actual signal which indicates the
running time of the cooling fan. Reset the running time signal after fan replacement.
Replacement fans are available from ABB. Do not use other than ABB specified spare parts.
Frame R8i fan replacement
￭
WARNING!
Obey the safety instructions of the drive. If you ignore them, injury or death,
or damage to the equipment can occur. If you are not a qualified electrical
professional, do not do installation, commissioning or maintenance work.
WARNING!
Use the required personal protective equipment. Wear protective gloves and long
sleeves. Some parts have sharp edges.
1.
Stop the drive and do the steps in section
you start the work.
2.
Remove any shrouding in front of the cooling fan in case of marine construction (+C121).
3.
Disconnect the fan wiring. Remove the CIO module.
4.
Undo the two retaining screws (a).
5.
Pull the fan outwards to separate it from the heat exchanger housing.
6.
Install new fan in reverse order. Align the guide pins (b) at the rear of the fan cowling
with the slots (c) in the module bottom guide, then reinstall the retaining screws (a).
Electrical safety precautions (page 19)
Electrical safety precautions (page 19)
Maintenance 147
before
before
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