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Ingeteam
7. Preventive maintenance
The recommended preventive maintenance tasks must be carried out at least annually, except for the checking the
fans and filters, which must be done monthly.
The various maintenance tasks must be performed by qualified personnel. Danger of electric shock.
To access the various compartments, take into account the safety recommendations in previous
chapters.
All maintenance checks listed here should be done with no voltage on the inverter and in safe condi-
tions for handling.
The following sections describe the actions to follow for proper installation of the inverters.
7.1. Maintenance tasks
Check status of the enclosure
A visual check of the status of the enclosure must be performed, verifying the status of locks, doors and handles and
the unit fixings at both lower and, if any, upper anchorage points. In addition, the condition of the enclosure must be
checked for dents, scratches or rust that might degrade the cabinet or cause it to lose its protection classification. If
this type of defects are noticed, the parts affected must be substituted.
Check the status of the cables and terminals
•
Check the correct path of the cables so they do not come into contact with live parts.
•
Check for insulation faults and hot spots by checking the color of the insulation and terminals.
Tightness of strip fasteners and power cables
Check tightness in accordance with the following torques:
In order to keep the nuts and bolts of the equipment in a proper condition, it is important while tight-
ening them to make sure there is no dirt or shavings on the threads and to apply a suitable lubricant.
Check strips
Visually check that the AC feeds comply with safe distances and maintain their initial electrical properties.
Check that there is no moisture inside the cabinet
If moisture exists, dry before making electrical connections.
Fixings
Check the correct fixing of the cabinet components to their corresponding anchorage points.
62
Threads dimensions
13/12" (M10)
31/64" (M12)
Tightening torque
416 lb.in (47 Nm)
567 lb.in (64 Nm)
Installation manual
ABB2000IKI01
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