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11.Check that the level of vibration is normal.
The level should not exceed 7 mm/s, measured at two points with 90° offset
externally on the fan pipe (ZerAx
®
fans) or inlet funnel (plenum fans) and the free
ends of the motor.
If the vibration level exceeds 11 mm/s, re-balancing must be executed.
If necessary, the vibrations may be checked with the door open, but when doing
so exercise extreme caution to avoid touching any moving parts.
12.Check the fans and level of vibration again after 30 minutes of operation.
13.Close the air handling unit.
For safety reasons, the doors in the air handling unit must always be closed.
Summary of Contents for VEX5000 Series
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