Maintenance
Before maintenance
Turn off the power supply.
• Do not spill any liquid.
There's a dan-
ger of electric
shock.
Wipe the unit with a
soft, dry cloth.
• Do not touch the aluminum fins on
the heat exchanger.
• Stand firmly on a stepladder or other
stable object when removing the inlet
panel and filter.
Do not use the following articles:
• Hot water (40°C or more)
It may deform or discolour the unit.
• Petrol, paint thinner, benzine or cleanser, etc.
They may deform or scratch the unit.
How to open, close the air inlet panel
Open
Place fingers at the recesses on both sides of the panel and pull
up the panel forward so that it will be open by about 60 degrees.
Removal, installation of air inlet panel
Removal
When removing the air inlet panel for internal cleaning or others,
open the panel by 80 degrees and then pull it forward.
During the operational season
Cleaning the air filter
1
Remove the air filter
2
If the filter is very dirty, clean it with warm water
Cleaning
(approx. 30°C), and dry it thoroughly.
CAUTION
• Do not clean the filters with boiling water.
• Do not dry them over an open flame.
• Pull them out gently.
3
Reinstall the air filter
• Hold firmly the filter at both sides as shown at
right and insert securely.
• Operating without putting back the air filters will
make the unit dusty, and may cause damage.
Cleaning the unit
• Wipe the unit with a soft, dry cloth, or use a vacuum cleaner.
• If the unit is very dirty, wipe it with a cloth soaked in warm water.
Cleaning the air inlet panel
• Removal, installation of air inlet panel.
• The panel can be washed with water. After
washing with water, wipe any moisture off the
panel and dry out of direct sunlight.
Close
Push both ends evenly and press further lightly at the center.
Installation
Secure the upper edge of the air inlet panel by lightly pushing it
in, and then close the panel.
– 24 –
Standard interval is once
every two week
• Pull up the air inlet panel forward.
• Lightly hold the knobs both sides and lift
a little to remove the panel forward.