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PRECAUTIONS FOR MAINTENANCE AND INSPECTION
• Reinstallation (FR-F720P-2.2K to 110K, FR-F740P-3.7K to 160K)
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)Reinstall the fan cover.
<Fan side face>
AIR FLOW
FR-F720P-7.5K to 15K
FR-F740P-7.5K to 18.5K
FR-F720P-2.2K to 5.5K
FR-F740P-3.7K, 5.5K
FR-F720P-18.5K, 22K
FR-F740P-22K, 30K
FR-F720P-30K
FR-F720P-37K to 110K
FR-F740P-37K to 160K
2. Insert hooks until
you hear a click
sound.
1. Insert hooks into
holes.
FR-F720P-2.2K to 5.5K
FR-F740P-3.7K, 5.5K
2. Insert hooks until
you hear a click
sound.
1. Insert hooks into
holes.
FR-F720P-7.5K to 30K
FR-F740P-7.5K to 30K
2. Insert hooks until
you hear a click
sound.
1. Insert hooks into
holes.
FR-F720P-37K to 110K
FR-F740P-37K to 160K
CAUTION
•
Installing the fan in the opposite of air flow direction can cause the inverter life to be shorter.
• When installing the fan, use care to prevent wires from being caught between the inverter and 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.