Specifications

Preventative Maintenance
6–4 975-0581-01-01
This manual is for use by qualified personnel only
5 year Interval
Control
Transformer Fuses
The control transformer fuses are located in the inverter’s AC interface enclosure.
10 year Interval
Facilities will be maintained after ten years. Replace the inverter’s interior fan and
the power element fan. Clean the control cabinets thoroughly. All fans will only be
replaced as a whole.
Power Element Fans The power element fans are located in the inverter enclosure.
Interior Fans The inverter’s interior fans are located at the top of the enclosure:
• AC interface enclosure: 1 piece
• Main inverter enclosure: 3 pieces
• DC interface enclosure: 1 piece
Figure 6-1 Control Transformer Fuses
-F6 and -F7 Fuses
Figure 6-2 Ventilation Fan Location
Fan
Graphic shows the DC
inverter enclosure fan.
Fans in other
enclosures are in a
similar location.