ABB ACS880-77CC, Hardware Manual

Page: 70 / 128

Years from start-up
Maintenance task/object
… 12 11 10 9 8 7 6 5 4 3 2 1 0
Replacement
R R Cooling fans
R I I R I I Water-glycol coolant with inhibitor
(see
Note 1 below)
R I I I I I R I I I I I Memory backup battery in the
BCU control unit
P P P/R P P P R P P P P P ABB-SACE main circuit breaker
maintenance (see
Note 2 below)
R I I I I I I I I I I I LCL filter capacitors
Inspection and/or performance
I/R I/R I/R I/R I/R I/R I/R I/R I/R I/R I/R I/R Cabinet door air filters (change
interval depends on cleanliness
of ambient air)
I I I I I I I I I I I I Cooling liquid pipe connections
I I I I Fiber optic cables (connections)
P P P P Tightness of terminals
I I I I Quick connector of the converter
module
I I I I I I I I I I I I Condition of contactors
I I I I I I I I I I I I Checking ambient conditions
(dustiness, corrosion, temperat-
ure)
I I I I I I I I I I I I Checking the quality of auxiliary
voltage
I/P I/P I/P I/P I/P I/P I/P I/P I/P I/P I/P I/P Smoke detectors
Improvements
I I I I I I I I I I I I Firmware and hardware upgrade
based on product notes
Measurements and tests
P P P P P P P P P P P P Functional test with net voltage
P P P P P P P P P P P P Basic measurements with supply
voltage
Spare parts
P I P I P I P I P I P I Spare parts
3AXD10001509309
Symbols
Inspection (visual inspection and maintenance action if needed) I
Performance of on/off-site work (commissioning, tests, measurements or other work) P
Replacement R
Maintenance and component replacement intervals are based on the assumption that the
equipment is operated within the specified ratings and ambient conditions. ABB recommends
annual inspections to ensure the highest reliability and optimum performance.
70 Maintenance