Cvsair 315/LR, Installation And Operation Manual

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servis@cvsair.com.tr
Diagnostic and Troubleshooting
PROBLEM POSSIBLE REASON AND SOLUTION
Fan do not rotate Check the power supply.
Check motor connections
Air flow too low It may be higher than the static
pressure design
Check the fan direction of rotation
The suction fan or obstructions in the
discharge outlet Check that
Anormal sound Check motor bearings. Check that the fan is
a part that prevents or multiplier
Check the balance of the fan
Check the smoothness of fan blades
Vibration Check the operating point of the fan
Check that the pressure against the
value of design
Check the cleanliness of the wings
Check the assembly and fittings
Motor takes high current Static pressure can be higher than the
design pressure.
Fans can reverse the direction of rotation
Fan speed can be higher than the design
Air Flow too high The value of static pressure may be
lower design
Fan speed can be higher than the
design speed