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Removing the Circulation Fan
1. Remove the terminal cover, the Inverter cover, the Digital Operator, and the control board cover.
2. Pull out the cables connected to the control circuit terminal board, the gate drive board, and the cooling fan
power relay board.
3. Remove the control board mounting panel.
4. Replace the circulation fan installed behind the control board mounting panel.
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.
Refer to Fig 8.9 Cooling Fan Replacement (200 V Class Inverters of 75 kW) for details.
400 V Class Inverters of 185 kW and 220 kW
Two circulation fans are installed inside the Inverter. (Refer to Fig 8.16 Circulation Fan Replacement (400 V
Class Inverters of 185 kW and 220 kW).)
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 Fig 8.16 Circulation
Fan Replacement (400 V Class Inverters of 185 kW and 220 kW).
Confirm that there are no cables in contact with the fan’s rotating parts.
Accurately wire the upper fan cable through the wire saddle, as shown in Fig 8.16 Circulation Fan Replace-
ment (400 V Class Inverters of 185 kW and 220 kW), and lock the wire saddle to secure the cable.
Note 1. Some Inverters may not have a wire saddle depending on the manufacturing date of the Inverter. If the wire saddle is not installed, secure the upper
fan cable by locking it with the peripheral cables so that it is not in contact with the lower fan.
2. Lower fan model: 73616-FAN009 (gas-proof specification: 73616-FAN028)
TOE-S616-60.1.book 20 ページ ２０１７年８月４日 金曜日 午後３時４１分
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