Periodic Maintenance Of Parts - Omron VARISPEED L7 Manual

Periodic Maintenance of Parts

In order to keep the Inverter operating normally over a long time, and to prevent down time due to an unex-
pected failure, it is necessary to perform periodic inspections and replace parts according to their service life.
The data indicated in the following table is to be used as a general guideline only. Periodic inspection stan-
dards vary depending on the Inverter's installation environment conditions and usage. The Inverter's sug-
gested maintenance periods are noted below.
Part
Cooling fan(s)
DC bus capacitor
Soft charge contactor
DC bus fuse
Control power fuse
PCB capacitors
Note: The standard replacement period is based on the following usage conditions:
Ambient temperature:Yearly average of 30°C/86°F
Load factor: 80%
Operating rate: 12 hours per day
Table 8.2 Part Replacement Guidelines
Standard Replacement Period
2 to 3 years (20,000 hours)
5 years
–
10 years
5 years
Replacement Method
Replace with new part.
Replace with new part.
(Determine need by inspection.)
Determine need by inspection.
Replace with new part.
Replace with new board.
(Determine need by inspection.)
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