YASKAWA Varispeed G7 Series Instruction Manual page 469

200 V Class Inverters of 75 kW
Removing the Cooling Fan
1. Remove the terminal cover and the front cover from the front of the Inverter.
2. Remove any cables that are connected to the cooling fan power relay board.
3. Remove the fan cover screws and pull out the fan cover from the Inverter.
4. Remove the cooling fan from the fan cover and replace it with a new one.
Mounting the Cooling Fan
After attaching a new cooling fan, reverse the above procedure to attach all of the components.
When attaching the cooling fan to the mounting bracket, be sure that the airflow faces the top of the Inverter.
Fan power relay board
Control board mounting
panel
Control board mounting
panel mounting screws
Control circuit terminal board
Note: A finger guard is not provided on Inverters with slits.
Fig 8.9 Cooling Fan Replacement (200 V Class Inverters of 75 kW)
Front cover mounting screws
Front cover
Terminal cover
Terminal cover mounting screws
Fan cover
mounting screws
Fan cover
Circulation fan
mounting screws
Circulation fan
Cooling fan
power connector
(CN26)
Gate drive
board
Cooling fan
Cooling fan mounting screws
Maintenance and Inspection
Control board mounting panel
Cooling fan airflow direction
Fan cover
Cooling fan
airflow direction
Finger guard
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