Mitsubishi Electric FR-A720-0.4K Instruction Manual page 418

Inspection item
(1) Cooling fan
The replacement interval of the cooling fan used for cooling the parts generating heat such as the main circuit
semiconductor is greatly affected by the ambient temperature. When unusual noise and/or vibration is noticed during
inspection, the cooling fan must be replaced immediately.
CAUTION
For parts replacement, consult the nearest Mitsubishi FA Center.
Inverter Type
1.5K to 3.7K
5.5K to 11K
15K, 18.5K
A720 22K
30K
37K, 45K
55K to 90K
2.2K, 3.7K
5.5K to 15K
18.5K, 22K
30K
37K to 55K
A740
75K to 132K
160K, 185K
220K to 280K
315K, 355K
400K to 500K
The FR-A720-0.4K, 0.75K, FR-A740-0.4K to 1.5K are not provided with a cooling fan.
• Removal (FR-A720-1.5K to 90K, FR-A740-2.2K to 132K)
1) Push the hooks from above and remove the fan cover.
FR-A720-1.5K to 3.7K
FR-A740-2.2K, 3.7K
2) Disconnect the fan connectors.
3) Remove the fan.
Fan cover
Fan connection
connector
Fan
FR-A720-1.5K to 3.7K
FR-A740-2.2K, 3.7K
* The number of cooling fans differs according to the inverter capacity. (Refer to the table above)
408
Fan Type
MMF-06F24ES-RP1 BKO-CA1638H01
MMF-08D24ES-RP1 BKO-CA1639H01
MMF-12D24DS-RP1 BKO-CA1619H01
MMF-06F24ES-RP1 BKO-CA1638H01
MMF-12D24DS-RP1 BKO-CA1619H01
MMF-09D24TS-RP1 BKO-CA1640H01
MMF-12D24DS-RP1 BKO-CA1619H01
MMF-12D24DS-RP1 BKO-CA1619H01
MMF-06F24ES-RP1 BKO-CA1638H01
MMF-08D24ES-RP1 BKO-CA1639H01
MMF-12D24DS-RP1 BKO-CA1619H01
MMF-09D24TS-RP1 BKO-CA1640H01
MMF-12D24DS-RP1 BKO-CA1619H01
9LB1424H5H03
9LB1424S5H03
FR-A720-5.5K to 22K
FR-A740-5.5K to 22K
FR-A720-5.5K to 22K
FR-A740-5.5K to 22K
Units
1
2
1
1
1
2
2
3
1
2
1
2
2
3
3
4
5
6
Fan cover
*
Fan
Fan connection
connector
FR-A720-30K or more
FR-A740-30K to 132K
Fan cover
*
Fan
Fan connection
connector
FR-A720-30K or more
FR-A740-30K to 132K