Mitsubishi Electric FR-A720-0.4K Instruction Manual page 450

Installation of the heatsink portion
outside the enclosure for use
(3) Installation of the inverter
Push the inverter heatsink portion outside the enclosure and fix the enclosure and inverter with upper and lower
installation frame.
Inside the
enclosure
Inverter
CAUTION
· Having a cooling fan, the cooling section which comes out of the enclosure can not be used in the environment of water
drops, oil, mist, dust, etc.
· Be careful not to drop screws, dust etc. into the inverter and cooling fan section.
440
Enclosure
Exhausted air
*
Installation
frame
Dimension of
Cooling
the outside of
wind
the enclosure
D1
* For the FR-A740-160K or more, there are finger
guards behind the enclosure. Therefore, the
thickness of the panel should be less than 10mm
(*1) and also do not place anything around finger
guards to avoid contact with the finger guards.
Enclosure
10* 140
1
Inverter Type
FR-A740-160K, 185K
FR-A740-220K to 500K
Finger guard
D1
185
184
Unit: mm