Mitsubishi Electric FR-A800 Series Instruction Manual page 817

NOTE
• Refer to
 Replacement procedure of the 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 are noticed during inspection, the
cooling fan must be replaced immediately.
 Removal (FR-A820-00105(1.5K) to 04750(90K), FR-A840-00083(2.2K) to 03610(132K))
1.
Push the hooks from above and remove the fan cover.
FR-A820-00105(1.5K) to 00250(3.7K)
FR-A840-00083(2.2K), 00126(3.7K)
2.
Disconnect the fan connectors.
3.
Remove the fan.
FR-A820-00105(1.5K) to 00250(3.7K)
FR-A840-00083(2.2K), 00126(3.7K)
*1 The number of cooling fans differs according to the inverter capacity.
 Installation (FR-A820-00105(1.5K) to 04750(90K), FR-A840-00083(2.2K) to 03610(132K))
1.
After confirming the orientation of the fan, install the fan so that the "AIR FLOW" arrow faces up.
<Fan side face>
816
7. PRECAUTIONS FOR MAINTENANCE AND INSPECTION
7.1 Inspection item
Downloaded from ManualsNet.com
page 359 to perform the life check of the inverter parts.
FR-A820-00340(5.5K) to 01540(30K)
FR-A840-00170(5.5K) to 00770(30K)
Fan cover
Fan
FR-A820-00340(5.5K) to 01540(30K)
FR-A840-00170(5.5K) to 00770(30K)
AIR FLOW
search engine
FR-A820-01870(37K) or higher
FR-A840-00930(37K) to 03610(132K)
Fan cover
Fan connection
connector *1
FR-A820-01870(37K) or higher
FR-A840-00930(37K) to 03610(132K)
Fan cover
Fan connection
connector