Munters HCUw, Operating & Maintenance, Page: 90 / 122

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3G3JV Maintenance Operations
Chapter7
7
•
No dirt or dust should be accumulating on the radiation fin.
•
No dust should be accumulating on the vents of the Inverter.
•
There should be no abnormalities in the outward appearance of the Inverter.
•
There should be no unusual noises or vibration and the accumulated operating time should not
exceeded the specifications.
„
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 representative.
„
Replacement of Cooling Fan
If the FAN fault is displayed or the cooling fan needs replacement, take the following steps to
replace it.
• C o o l i n g F a n M o d e l s
Inve
rt
er
Cooling Fan
3G3JV-A2007-A 3G3IV-PFAN2007
3G3JV-A2015-A or 3G3JV-A2022-A 3G3IV-PFAN2015J
3-phase 230-V AC
3G3JV-A2037-A 3G3IV-PFAN2037
Single-phase 230-V AC 3G3JV-AB015-A 3G3IV-PFAN2015J
3G3JV-A4015-A or 3G3JV-A4022-A 3G3IV-PFAN2015J 3-phase 460-V AC
3G3JV-A4037-A 3G3IV-PFAN2037