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Protect PV.630 Maintenance and Servicing
80000047962 BAL 13 of 14
Cabinet fans M2 and M3 are located on the INV cabinet roof.
Fans are replaced as described below:
Disconnect the cable clip from the hexagon-head bolt.
Detach fan connectors X91.1 and X91.2.
Unscrew the 4 fixing bolts on the fan's mounting plate and
remove the fan from the cabinet.
Unscrew the fan from its mounting plate and remove it.
Installing the fan:
Install the fan by repeating these steps in reverse order.
Switch on the system.
Check that the fan is functioning correctly.
4.6.2 Power Section
When components have reached the end of their service life they
must be replaced in order to maintain the functional reliability of
the system.
Replacement of the capacitors in the inverter's DC and AC circuits
is recommended after around 100,000 hours of operation.
The output contactor on the inverter (K7) reaches the end of its
service life when it has completed the specified number of switch-
ing operations. These operations are recorded in the memory; the
contactor then has to be replaced in accordance with its particular
technical data.