Maintenance and Inspection
T
roub
leshooting
and Maintenance
6–22
For inverters with sheet metal housings...
1.
Loosen the two screws that secure the
lower
front panel. Remove the panel from the
inverter.
2.
Turn OFF power to the inverter and confirm that the Charge Indicator LED is OFF.
3.
Remove the lower screws from terminal block terminals [P] and [N].
4.
Remove the screws that secure the capacitor mounting plate.
5.
Pull down the capacitor mounting plate.
6.
Remove the bus bar and resistors. Then remove the capacitor unit from the capacitor
mounting plate.
To install the new capacitor unit:
1.
Place the capacitor unit on the mounting plate and secure the unit with screws.
2.
Mount the bus bar and resistors in the original positions and secure them with screws.
3.
Slide the capacitor mounting plate into the inverter housing.
4.
Secure the capacitor mounting plate to the inverter housing by using the screws.
5.
Install the lower screws in the terminal block terminals [P] and [N].
6.
Mount the terminal block cover.
Capacitor mounting plate
Lower screws, terminals [P] and [N]
Capacitor unit