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Power connections
Tightening
WARNING! Only qualified electricians are allowed to do this work. Read the
complete safety instructions of the converter. If you ignore the instructions,
physical injury, death, or damage to the equipment can occur.
1. Disconnect the converter from the all power sources and make sure it is safe to start
the work. See the safety instructions.
2. Check the tightness of the cable connections. Use the tightening torques given in
chapter
Technical
Fans
The lifespan of the cooling fans of the converter depend on the running time of the fan,
ambient temperature and dust concentration. See the firmware manual for the parameter
or actual value which indicates the running time of the cooling fan of the converter
modules. For resetting the running time after a fan replacement, contact ABB.
Replacement fans are available from ABB. Do not use other than ABB specified spare
parts.
All the fans in the converter are of the same type.
data.
Maintenance 83
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