YASKAWA Solectria PVI 25TL-208 Installation And Operation Manual page 111

Installation and Operation Guide SOLECTRIA® PVI 25TL-208, PVI 50TL-480 and PVI 60TL-480
Check the air vent grate regularly to make sure it is not blocked. Clean the grate with a soft brush or vacuum
cleaner attachment if necessary. The frequency of this cleaning depends on the installation environment.
Replace the Cooling Fans
If the internal temperature of the inverter is too high or abnormal noise is heard, assuming the air vent is not
blocked and is clean, it may be necessary to replace the external fans. Please refer to Figure 8-1 for replacing the
cooling fans.
 Use a No. 2 Phillips head screwdriver to remove the 10 screws on the fan tray (6 screws on the upper fan
tray, and 4 screws on the lower fan tray).
 Disconnect the waterproof cable connector from the cooling fan.
 Use a No. 2 Phillips head screwdriver to remove the screws. Each fan is attached to the fan tray with 4
screws.
 Attach the new cooling fans on the fan tray and screw into place. Fasten the cable on the fan tray with
cable ties.
o Torque value: 0.8-1N.m (7.1-8.91in-lbs)
 Install the assembled fan tray back on the inverter and secure with the original screws.
o Torque value: 1.2N.m (10.6in-lbs)
DOCR-071030-A (10/7/2022)
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