ABB PVS-175 Series, Hardware Manual, Page: 58 / 72

Task Action
Inspect the temperature and operating conditions of the AC Cabinet using thermography . I
Examine the grounding system conductivity. This must be done in accordance to local regu-
lation and standards. I
￭ Maintenance intervals
Years from start-up or interval Component
20 10
R R Cooling fans
R (every six months) Air filters
Obey manufacturer instructions UPS
Cleaning procedure
Perform the following inspections at least once in every six months.
WARNING!
Obey the Safety instructions (page 9) and the local safety regulations. If ignored,
physical injury or death, or damage to the equipment may occur.
WARNING!
Read the manuals of other components (inverters, UPS, etc.). The guideline
specified in this section does not replace the instructions given by the product
manuals of each component.
Additional information Task
Pre-check that there are safe conditions before
starting any cleaning procedure.
Cleaning the MVS
Use pressurized air to clean the external
enclosure, floors. and gutters.
Use pressurized air to clean all air inlets and
outlets including grills.
Cleaning the AC Cabinet
If necessary, use a duster or pressurized air to
clean locations you cannot reach with the vacuum
cleaner. Use a vacuum cleaner to clean the floor, doors
and interior beams.
Remove dust from the air inlets and outlets.
Use pressurized air to clean locations with
excessive dust, including busbar connections.
Cleaning the inverters
Follow the instructions in the inverters manual.
Cleaning the MV transformer area
Make sure that the MV and auxiliary transformers
have cooled down.
58 Maintenance