Maintenance intervals
The table below lists the routine maintenance intervals recommended by ABB.
Instructions
Interval
Maintenance task
See section
First check after commissioning,
then every 2 years.
Cleaning the inverter compartment
See section
filters and cleaning the sand-
boxes (page 47)
2 years in typical conditions.
1 year in dusty conditions.
Using night time reactive power re-
duces the filter change interval by
50%. See the
PVS800-57B central
inverters firmware manual
(3AXD50000048332 [English]).
Replacing intake air filters
See section
surfaces of the inverter sta-
tion (page 48)
First check after commissioning,
paying special attention to potential
paint damage which may have
happened during transportation and
installation.
Then every 2 years.
General paint and corrosion check,
checking and repairing painted sur-
faces
See section
surfaces of the inverter sta-
tion (page 48)
First after commissioning, then every
5 years.
Cleaning the external surfaces
See section
hinges, locks and seals (page 49)
.
Every 2 years.
Lubricating hinges and locks
See section
the grounding bars and
points (page 52)
Every 5 years.
General condition check, checking
grounding bar
See drawing
for max-
imum recommended tilting angle.
Every 5 years.
General condition check, checking
tilting of inverter station
The inverters have their own routine maintenance schedules in addition to the tasks listed
in the table above. See the inverter hardware manual.
Cleaning the inverter compartment
WARNING!
Do the steps given in section
Safety instructions for the inverter
. Ignoring the instructions can cause physical injury or
death, or damage to the equipment.
1.
Clean the floor plates with a vacuum cleaner.
2.
Remove the floor plates and check the cleanliness of the container base.
3.
If the base is not clean, clean it with a vacuum cleaner.
4.
Replace the floor plates.
5.
Clean the outer surfaces of inverters [PVS1, PVS2], control cabinets/enclosures and
the compartment heater [E1] with a vacuum cleaner.
46 Maintenance