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R
eplacing cooling section
Some inverter parts may be subject to voltages
that could be hazardous for the operator. Before
performing any work on the inverter, refer to "Inverter
total de-energization and safe access" chapter on
this manual to know all the necessary step to safely
operate on the inverter.
Procedure for replacing one of the two cooling sections:
1. Perform the "inverter total de-energization and safe access"
procedure before operate on the inverter.
2. Remove the 2 screws (STEP A).
3. Tilt the cooling section as shown in the picture (STEP B).
4. Pull out the cooling section (STEP C).
5. Disconnect the 2 fan connectors (STEP D).
6. Take the new cooling section and connect the 2 fan
connectors. During this phase pay attenction to connect the
fan to the correspondent cable; on each fan cable coming
from the power module and on each fan are applied labels
that indicates the fans number (from FAN1 to FAN4).
7. Place the new cooling section in the reverse way of previous
steps.
8. Screw the 2 fastening screws.
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8 - Maintenance
A
B
C
D
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