User`s manual

129
Maintenance and Inspection Chapter 8-3
Periodic Maintenance Parts
The Inverter is configured of many parts, and these parts must operate
properly in order to make full use of the Inverter’s functions. Among the
electronic components, there are some that require maintenance depending
on their usage conditions. In order to keep the Inverter operating normally
over a long period of time, it is necessary to perform periodic inspections and
replace parts according to their service life.
Periodic inspection standards vary with the installation environment and
usage conditions of the Inverter.
The maintenance periods of the Inverter are described below. Keep them as
reference.
Maintenance Periods (Reference)
• Cooling fan: 2 to 3 years
• Electrolytic capacitor: 5 years
• Fuse: 10 years
The usage conditions are as follows:
• Ambient temperature: 40°C
• Load factor: 80%
• Operation: 8 hours per day
• Installation: According to instructions in manual
It is recommended that the ambient temperature and power-on time be
reduced as much as possible to extend of the life of the Inverter.
Note For details regarding maintenance, consult your OMRON-YASKAWA repre-
sentative.
Replacement of Cooling Fan
If the FAN fault is displayed or the cooling fan needs replacement, take the
following steps to replace it.
Cooling Fan Models
Replacing Cooling Fan (68- or 140-mm-wide Inverters)
1. Press the left and right sides of the fan cover located on the lower part of
the radiation fin in the arrow directions. Then lift the bottom of the Fan in
the arrow 2 direction to remove the Fan as shown in the following
illustration.
Inverter Cooling Fan
3-phase 200-V AC CIMR-J7AZ21P5 or 3G3JV-22P2 FAN001062
CIMR-J7AZ24P0 FAN001063
Single-phase 200-V AC CIMR-J7AZB1P5 FAN001062
3-phase 400-V AC CIMR-J7AZ41P5 or CIMR-J7AZ42P2 FAN001062
CIMR-J7AZ44P0 FAN001063
Wind direction
Radiation fin (Heat sink)