Maintenance and Inspection
8-19
400 V Class Inverters of 185 kW and 220 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 take off 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.
Fig 8.15 Circulation Fan Replacement (400 V Class Inverters of 185 kW and 220 kW)
Fan cover mounting screws
Circulation fan
Fan cable
Fix the fan cable with lnsulok ties
Fan cover mounting
screws
Frame fixing screws
Fan airflow
direction
Fan airflow
direction
Frame
Fan cable
Enlarged view
Enlarged view
To Next Page
Loading...
Need help?
General