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Inspection item
• Reinstallation (FR-A720-1.5K to 90K, FR-A740-2.2K to 132K)
1)After confirming the orientation of the fan, reinstall the fan so that the arrow on the left of "AIR FLOW" faces up.
<Fan side face>
2)Reconnect the fan connectors.
3)Reinstall the fan cover.
AIR FLOW
FR-A720-5.5K to 11K
FR-A740-5.5K to 15K
FR-A720-1.5K to 3.7K
FR-A740-2.2K, 3.7K
FR-A720-22KFR-A720-15K, 18.5K
FR-A740-18.5K, 22K
FR-A720-30K or higher
FR-A740-30K to 132K
2. Insert hooks until
you hear a click
sound.
1. Insert hooks into
holes.
FR-A720-1.5K to 3.7K
FR-A740-2.2K, 3.7K
2. Insert hooks until
you hear a click
sound.
1. Insert hooks into
holes.
FR-A720-5.5K to 22K
FR-A740-5.5K to 22K
2. Insert hooks until
you hear a click
sound.
1. Insert hooks into
holes.
FR-A720-30K or higher
FR-A740-30K to 132K
CAUTION
•
Installing the fan in the opposite of 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.