TOSHIBA
9 - 6
9.2 Recommended Spare Parts (Cont'd)
Notes:
* Optional components
** Semiconductor fuse with 200K amp interrupting capability
*** Semiconductor fuse with 100K amp interrupting capability
**** Semiconductor fuse with 50K amp interrupting capability
Rank A signifies parts of relatively higher necessity.
Rank B signifies parts of relatively lower necessity.
9.3 Parts Service Life
In order to obtain the best performance and to get the maximum service life from
the inverter 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 3 Years
Contact relays 500,000 operations
Connectors 100 operations Replace pin in case of failure.
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