Mitsubishi Electric FR-F740 EC Instruction Manual page 621

Maintenance and inspection
● Reinstallation of the fan (FR-F740-04320 or more)
After confirming the orientation of the fan, reinstall the fan so that the arrow on the left of
"AIR FLOW" faces up.
NOTE Installing the fan in the opposite air flow direction can cause the inverter life to be shorter.
Install fans referring to Fig. 8-9.
FR-F700 EC
Fan side face
Fig. 8-10:
Orientation of the fan
Inspection
I001334E
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