Mitsubishi Electric FR-F720-0.75K to 110K Instruction Manual page 293

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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 surrounding air 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 Model
2.2K to 5.5K
7.5K to 15K
18.5K, 22K
F720
30K
37K to 55K
75K to 110K
3.7K, 5.5K
7.5K, 18.5K
22K, 30K
37K
45K to 75K
F740
90K to 160K
185K, 220K
250K to 315K
355K, 400K
450K to 560K
The FR-F720-0.75K, 1.5K, FR-F740-0.75K to 2.2K are not provided with a cooling fan.
• Removal (FR-F720-2.2K to 110K, FR-F740-3.7K to 160K)
1) Push the hooks from above and remove the fan cover.
FR-F720-2.2K to 5.5K
FR-F740-3.7K, 5.5K
2) Disconnect the fan connectors.
3) Remove the fan.
Fan cover
Fan connection
connector
Fan
FR-F720-2.2K to 5.5K
FR-F740-3.7K, 5.5K
* The number of cooling fans differs according to the inverter capacity. (Refer to page 284)
284
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-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
9LB1424S5H04
FR-F720-7.5K to 30K
FR-F740-7.5K to 30K
Fan cover
Fan
FR-F720-7.5K to 30K
FR-F740-7.5K to 30K
Units
1
2
1
1
1
2
3
1
2
1
2
2
3
3
4
5
6
*
Fan connection
connector
FR-F720-37K or more
FR-F740-37K to 160K
Fan cover
*
Fan
Fan connection
connector
FR-F720-37K or more
FR-F740-37K to 160K

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