Maintenance 107
Maintenance
Contents of this chapter
This chapter contains preventive maintenance instructions of the inverter.
Maintenance intervals
If installed in an appropriate environment, the inverter requires very little maintenance. The
tables below lists the routine maintenance intervals recommended by ABB. The
recommended maintenance intervals and component replacements are based on
specified operational and environmental conditions.
Note: Long-term operation near the specified maximum ratings or environmental
conditions may require shorter maintenance intervals for certain components.
The tables below contain user tasks. For tasks to be performed by ABB and more details
on the maintenance, consult your local ABB Service representative. On the Internet, go to
http://www.abb.com/
searchchannels.
Descriptions of symbols
Action Description
I Visual inspection and maintenance action if needed
P Performance of on/off-site work (commissioning, tests, measurements or other work)
R Replacement of component if ambient temperature is below 40 °C (104 °F) and there is no
cyclic heavy load and no continuous nominal load.
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