
8
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400 V Class Inverters of 300 kW
Two circulation fans are installed inside the Inverter. (Refer to
Fig 8.17 Circulation Fan Replacement (400 V
Class Inverters of 300 kW)
.)
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
Fig 8.17 Circulation
Fan Replacement (400 V Class Inverters of 300 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 8.17 Circulation Fan Replace-
ment (400 V Class Inverters of 300 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 22 ページ 2017年8月4日 金曜日 午後3時41分