9. Maintenance/Inspection
9-1. Maintenance/Inspection Schedule
36
Indoor
Outdoor
Fan Motor
6 months 40000 hours
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Bearing
6 months 40000 hours
Fan Belt
6 months 8000 hours
Air Filter
3 months 5 years
Yes
Drain Pan
6 months 8 years
Add lubricant once a year
Disposable parts
Maintenance schedule changes depending
on the local conditions
Drain Hose
6 months 8 years
Linear Expansion Valve
1 year
25000 hours
Heat Exchanger
1 year
5 years
Float Switch
6 months 25000 hours
Display Lamp
1year
8000 hours
Compressor
6 months 40000 hours
Fan motor
6 months 40000 hours
Linear Expansion Valve
1 year
25000 hours
Heat Exchanger
1 year
5 years
Pressure Switch
1 year
25000 hours
Inverter Cooling Fan
1 year
40000 hours
Parts
Check
every
Replace
after
Daily
check
Periodically
check
Remarks
Yes
4-way valve
1 year
25000 hours
Unit
Having the units inspected by a specialist on a regular basis, in addition to regular maintenance such as
changing the filters, will allow the users to use them safely and in good condition for an extended period of
time.
The chart below indicates standard maintenance schedule.
(1) Approximate Longevity of Various Parts
The chart shows an approximate longevity of parts. It is an estimation of the time when old parts may
need to be replaced or repairs need to be made.
It does not mean that the parts must absolutely be replaced (except for the fan belt).
Please note that the figures in the chart do not mean warranty periods.
(2) Notes
●
The above chart shows a maintenance schedule for a unit that is used under the following conditions:
A. Less than 6 times per hour of compressor stoppage
B. The unit stays on 24 hours a day.
●
Shortening the inspection cycle may need to be considered when the following conditions apply:
➀
When used in high temperature/high humidity area or when used in a place where the temperature
and/or humidity fluctuate greatly
➁
When plugged into an unstable power source (sudden change in voltage, frequency, wave distor-
tions) (Do not exceed the maximum capacity.)
➂
When the unit is installed in a place where it receives vibrations or major impacts.
➃
When used in a place with poor air quality (containing dust particles, salt, poisonous gas such as
sulfuric acid gas and sulfuric hydrogen gas, oil mist).
●
Even when the above maintenance schedule is followed, there could be unexpected problems that
cannot be predicted.
●
Holding of Parts
We will hold parts for the units for at least 9 years after the termination of the production of the unit,
following the standards set by the ministry of economics and industries.
