Inovance MD500T75G - Replacement of Vulnerable Components

MD500 User Manual 11. Maintenance
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11.3 Replacement of Vulnerable Components
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operating environment and maintenance status. Generally, the service life is shown as follows:
Component Service Life Possible Cause Judging Criteria
Fan \HDUV
ƕ Bearing worn
ƕ Blade aging
ƕ Whether there is crack on the blade
ƕ Whether there is abnormal
vibration noise upon startup
Electrolytic capacitor \HDUV
ƕ Input power supply in poor quality
ƕ High ambient temperature
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ƕ Electrolytic aging
ƕ Whether there is liquid leakage.
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ƕ Measure the static capacitance.
ƕ Measure the insulating resistance.
The standard service time indicates the service time when the AC drive is used on the following conditions:
ƕ Ambient temperature: about 40°C on average yearly
ƕ Load rate: below 80%
ƕ Operating rate: below 24 hours per day
You can determine when to replace these parts according to the actual operating time.
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Number of Fans on the Drive
MD500 Model Number of Fans
MD500T18.5G 1
MD500T22G 1
MD500T30G 1
MD500T37G 1
MD500T45G 1
MD500T55G 1
MD500T75G 2
0'7* 2
MD500T110G 2
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