Toshiba Adjustable Speed Drive H3 Operation Manual page 102

TOSHIBA
In order to obtain the best performance and to get the maximum service life from the drive it
is necessary to perform timely maintenance repairs on some parts of the system even though
the equipment may still be functioning with no apparent problems.
Use the following service life chart as a guide for major part periodic replacement when the
equipment is used in a standard installation service environment.
Service Life Replacement Chart
Part Name Service Life Remarks
Large capacity 5 Years To be electrified semiannually in
electrolytic capacitor case of long term disuse.
Cooling Fan 26000 Hours Internal fans
Contact relays 500,000 operations
Connectors 100 operations Replace pin in case of failure.
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