micronel U100HL-024KA-4, Руководство по эксплуатации

Страница: 16 / 17

16 of 17
All data can be subject to change without advanced notice. Version: December 6, 2018. © Micronel AG
9.1 Inspection
Periodically carry out the following work on the U100HL-024KA-4:
Time point Check Method
Annually during standstill General condition Visual inspection
Annually during operation Noise bearing condition Acoustic test
Vibrations Visual inspection
9.2 Lubrication
The bearings of the U100HL-024KA-4 are lubricated for life.
9.3 Troubleshooting
Fault
Cause Action
Flow rate and/or
pressure is too low
Speed is too low Check voltages
Fan or system is leaking Check torques and seals on the
connection lines
Flow rate is too low Line is clogged/impeller is dirty Clean line/impeller
Speed is too low Check voltages
Pressure is too low Density is lower than indicated Check layout
Power consumption is
too high
Flow rate is greater than indicated Check layout
Pressure is lower than indicated Check layout
Density is higher than indicated Check layout
Speed is too high Check voltages
Abnormal noises
and/or vibrations
Bearing damage (motor) Replace bearings or motor
Impeller scrapes or is unbalanced Turn off fan
Loose mounting screw Retighten the screw. Secure against
loosening
Vibrations Turbulence in the system Check air routing in the system