User`s guide

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6. Remove the dummy cover from the fan box.
The dummy fan cover has a locking mechanism on its rear face. While pushing the lock, lift the dummy fan
cover slowly to remove it.
7. Insert the Option A fan unit into the slot for additional rear fan.
Insert the groove of the Option A fan unit along with the guide of the factory-installed rear fan, and push it to
the end.
Factory-installed front fan
Dummy fan cover
Option A fan unit
Factory-installed rear fan