ACQ550-CC Packaged Drive with Bypass
17
Maintenance
Maintenance
Maintenance Interval
If installed in an appropriate environment, the drive requires very little maintenance.
The table lists the routine maintenance intervals recommended by ABB. The
information shown below is supplemental and in addition to that shown in the
ACQ550-U1 User’s Manual.
Maintenance
Configuration
Interval
Check/replace enclosure inlet air
filter
UL Type/NEMA 12 and 3R
enclosures
Check every 3 months.
Replace as needed.
Check/replace enclosure
exhaust air filter
UL Type/NEMA 12 and 3R
enclosures
Check every 6 months.
Replace as needed.
Replace enclosure vent fan(s)
UL Type/NEMA 12 and 3R
enclosures
Every three years.
Replace enclosure air circulation
fan
Frames R4 through R6 in UL
Type/NEMA 1 enclosures
Every three years.