Omron SYSDRIVE RV Series User Manual page 468

400 V Class Inverters of 300 kW
Two circulation fans are installed as described in the following sections.
Removing the Circulation Fan
1. Remove the terminal cover and top and bottom front covers.
2. Unscrew the frame fixing screws and takeoff the frame.
3. Remove the relay connector connected to the fan.
4. Remove the fan cover mounting screws and pull the fan cover out.
5. Remove the fan from the fan cover and replace it with a new one.
Mounting the Circulation Fan
Reverse the above procedure to mount the fan.
Be sure to mount the fan so that the air flows in the direction indicated by the arrow in the corresponding dia-
gram.
Confirm that there are no cables in contact with the fan's rotating parts.
Fan cable
Fix the fan cable with Insulok ties
Enlarged view
Fan cover mounting screws
Circulation fan
Fig 8.16 Circulation Fan Replacement (400 V Class Inverters of 300 kW)
Frame fixing screws
Maintenance and Inspection
Frame
Fan airflow
direction
Fan airflow
direction
Enlarged view
Fix the fan cable
with Insulok ties
Fan cable
Fan cover mounting scerws
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