Mitsubishi Electric FR-A520-0.4K-NA Instruction Manual page 18

8) For installation in an enclosure
Ventilation fan
Inveter
(Correct example)
Position of Ventilation Fan
9) Vertical mounting
( 1 ) Wiring cover and handling ( 22K or less )
1) When cable conduits are not connected
Cut the protective bushes of the wiring cover with nippers or a cutter before running the cables.
Do not remove the protective bushes. Otherwise, the cable sheathes may be scratched by the wiring cover
edges, resulting in a short circuit or ground fault.
2) When cable conduits are connected
Remove the corresponding protective bushes and connect the cable conduits.
Inveter
(Incorrect example)
WARNING
8
INSTALLATION AND WIRING
Inveter Inveter
Built-in cooling fan
(Correct example)
Accommodation of two or more inverters
Wiring cover
Protective bush
Inveter
Inveter
(Incorrect example)