List Of Periodic Replacement Parts - Fuji Electric FRENIC-HVAC User Manual

Check part
Cooling fan 1) Check for abnormal noise and
excessive vibration.
2) Check for loose bolts.
3) Check for discoloration caused
by overheat.
Ventilation Check the heat sink, intake and
path exhaust ports for clogging and
foreign materials.
Remove dust accumulating on the inverter with a vacuum cleaner. If the inverter is stained, wipe it off
with a chemically neutral cloth.

10.3 List of Periodic Replacement Parts

The inverter consists of many electronic parts including semiconductor devices. Table 10.2 lists
replacement parts that should be periodically replaced for preventive maintenance (Use the lifetime
judgment function as a guide). These parts are likely to deteriorate with age due to their constitution
and properties, leading to the decreased performance or failure of the inverter.
When the replacement is necessary, consult your Fuji Electric representative.
Part name
DC link bus capacitor
Electrolytic capacitors on
printed circuit boards
Cooling fan
Fuse
(Note) These replacement intervals are based on the inverter's service life estimated at an ambient
temperature of 30°C (86°F) (NEMA/UL TYPE 12) or 40°C (104°F) (NEMA/UL open
type,NEMA/UL TYPE 1) at full load (100% of the inverter rated current). In an environment
with an ambient temperature above 30°C (86°F) (NEMA/UL TYPE 12) or 40°C (104°F)
(NEMA/UL open type,NEMA/UL TYPE 1) or with a large amount of dust or dirt, or in an
environment where inverters are mounted closely side by side, the replacement intervals may
be shorter.
Standard replacement intervals mentioned above are only a guide for replacement, not a
guaranteed service life.
Table 10.1 List of Periodic Inspections (Continued)
Check item
Table 10.2 Replacement Parts
Standard replacement intervals (See Note below.)
NEMA/UL TYPE1
NEMA/UL TYPE12
FRN001AR1■-2U to
FRN060AR1■-2U
FRN001AR1■-4U to
FRN125AR1■-4U
FRN001AR1■-5U to
FRN150AR1■-5U
10-3

10.3 List of Periodic Replacement Parts

How to inspect
1) Auditory and visual
inspection, or turn
manually (be sure to
shut down the power
beforehand).
2) Retighten.
3) Visual inspection
Visual inspection
UL open type
FRN075AR1S-2U to
FRN125AR1S-2U
FRN150AR1S-4U to
FRN1000AR1S-4U
FRN200AR1S-5U to
FRN300AR1S-5U
5 years 10 years
5 years 10 years
5 years 10 years
- 10 years
Evaluation criteria
1) Smooth rotation
2), 3)
No abnormalities
No abnormalities