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PRECAUTIONS FOR MAINTENANCE AND INSPECTION
Inspection items
Reinstallation
1) After confirming the orientation of the fan, reinstall
the fan so that the arrow on the left of "AIR FLOW"
faces up.
2) Reconnect the fan connectors.
3) When wiring, use care to avoid the cables being caught by the fan.
FR-D720-165 or less
FR-D740-080 or less
FR-D720S-070 and 100
FR-D720-238 or more
FR-D740-120 or more
4) Reinstall the fan cover.
FR-D720-165 or less
FR-D740-080 or less
FR-D720S-070 and 100
Example for FR-D740-036
FR-D720-238 or more
FR-D740-120 or more
Example for FR-D740-160
AIR FLOW
<Fan side face>
2. Insert hooks until you
hear a click sound.
1. Insert hooks
into holes.
1. Insert hooks
into holes.
2. Insert hooks until
you hear a click
sound.
NOTE
Installing the fan in the opposite air flow direction can cause the inverter life to be shorter.
Prevent the cable from being caught when installing a fan.
Switch the power off before replacing fans. Since the inverter circuits are charged with voltage even after
power off, replace fans only when the inverter cover is on the inverter to prevent an electric shock
accident.