3BHS212794 E01 REV M ACS6000 USER MANUAL 257/278
10 PREVENTIVE AND CORRECTIVE MAINTENANCE
• Use a nylon brush or a vacuum cleaner for removing dust or deposits
from recesses.
• Clean the outside of the cabinet with a vacuum cleaner and
cleaning cloths.
10.4.13 Checking wire and cable connections
10.4.14 Checking and replacing filter mats
• Inspection intervals: See the "ACS6000 preventive maintenance
schedule" (3BHS855273 E01).
• Service during operation: possible.
• Filter mat class: G3 (EN779)
• Location: installed behind the ventilation grids of control and water
cooling units if the drive is prepared for protection class IP 54.
The filter mats are located between the ventilation grid and the wire
mesh. The wire mesh is always installed.
▲NOTICE
Risk of component damage!
Vibration can loosen electrical connections and cause equipment failure!
Excessive force damages the capacitor bushings!
• Tighten to the torque value on the label attached to the capacitor.
IMPORTANT! DO NOT exceed 20 Nm if the tightening torque value is
not specified.
• Check all power and control cable connections and tighten them
if necessary.
• Check that all plugs and connectors are tight.
Table 10-2 Filter mat specifications
Location Filter
class
Width
(mm)
Height
(mm)
Depth
(mm)
ABB material
number
WCU - back wall G3 T15/
150
250 125 10 3BHB028115R0002
COU and
roof boxes
G3 T15/
150
250 250 10 3BHB028115R0003
EXU G3 T15/
150
745 375 10 3BHB028115R0004
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