Mitsubishi Electric FR-F806-E Hardware Instruction Manual page 100

 Reinstallation of the internal fan (upper) (FR-F846-01800(75K) to 02600(110K))
(1) Fix the fan to the inverter with the installation screws. (tightening torque 1.4 to 1.9 N•m)
After confirming the orientation of the fan, reinstall the fan so that air flows as shown below.
(The "AIR FLOW" arrow on the fan side indicates the air flow direction.)
<Fan side>
(2) Reconnect the fan connector, and then place the connector case from the above.
(3) Reinstall the inverter front cover. (Refer to
NOTE
• Installing the fan in the opposite direction of air flow can cause the inverter life to be shorter.
• Prevent the cable from being caught when installing a fan.
Installation screw
AIR FLOW
page 15.)
PRECAUTIONS FOR MAINTENANCE AND INSPECTION
Fan
Installation screw Fan
View of fan side and surrounding
Fan connector
Connector case
Inspection item
Air flow
direction
Inverter
99
5