Table of Contents
Advertisement
5.4
PERIODIC MAINTENANCE OF PARTS
The power regenerative unit is configured of many parts, and these parts must be op-
erating properly in order to make full use of the Inverter functions.
Among the electronic components, there are some that require maintenance depend-
ing on their usage conditions. In order to keep the power regenerative unit operating
normally over a long period of time, it is necessary to perform period inspections and
replace parts according to their service life.
When replacing parts, be careful not to drop any, such as screws, inside the
VS-656RC5. Failure to observe this caution may result in a short-circuit and a fire.
Periodic inspection standards vary depending the installation environment and usage
conditions of the power regenerative unit. The power regenerative unit's mainte-
nance periods are noted below. Keep them as reference.
Table 14
Smoothing capacitor
Braker relays
Fuses
Aluminum capacitors on PCBs
Note Usage conditions are as follows:
S Ambient temperature : Yearly average of 30_C
S Load factor
S Operating rate
Part Replacement Guidelines
Part
Standard Replacement Period
: 80 % max.
: 12 hours max. per day
5
Replace with new part. (Determine need by in-
5 years
spection.)
Determine need by inspection.
10 years
Replace with new part.
Replace with new board. (Determine need by in-
5 years
spection.)
MAINTENANCE AND INSPECTION
Replacement Method
43
Advertisement
Table of Contents
