Periodic Maintenance Of Parts - YASKAWA Varispeed E7 Instruction Manual And Parameter Description

Periodic Maintenance of Parts

The Inverter consists of many parts, and these parts must be operating properly in order to ensure full func-
tioning of the Inverter.
Among the electronic components, there are some that require maintenance depending on their usage condi-
tions. In order to keep the Inverter operating normally over a long period of time, it is necessary to perform
period inspections and replace parts according to their service life.
Periodic inspection standards vary depending the Inverter's installation environment and usage conditions.
The Inverter's maintenance periods are noted below. Keep them as reference.
Part
Cooling fan
Smoothing capacitor
Soft charge resistor bypass con-
tactor
Fuses
Aluminum capacitors on PCBs
Note The standard replacement period is based on the following usage conditions:
Ambient temperature:Yearly average of 30°C
Load factor: 80% max.
Operating rate: 12 hours max. per day
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Fig 8.2 Part Replacement Guidelines
Standard Replacement Period
2 to 3 years
5 years
–
10 years
5 years
Maintenance and Inspection
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.)
3
8-