A. 4 screws
B. 4 screws
5 Replace the fan.
6 Re-assemble the drive and connect the cables.
7 Put the touch shield back.
7.7.4 REPLACING THE POWER UNIT OF THE AC DRIVE
7.7.4.1 Replacing the power unit, MR8
WARNING!
Before you start replacing the power unit, make sure that there is no input voltage
coming into the cabinet. Switch off the voltage at the power source. Replacing the
power unit when there is voltage in the cabinet can cause injury or death.
1 Remove the protective covers of the drive.
2 Disconnect all the power cables from the bottom of
the power unit.
COMMISSIONING AND ADDITIONAL INSTRUCTIONS VACON · 99
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