Maintenance - Mitsubishi Heavy Industries SRK20HG User Manual

Maintenance

Before maintenance
Turn off the power switch.
• Don't spill water.
There's a danger
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.
Don't use the following articles:
• Hot water (40°C or more)
It may deform or discolour the unit.
• Petrol, paint thinner, benzine or polishing agents,
etc.
They may deform or scratch the unit.
How to open the air inlet panel
Place fingers at the recesses on both sides of the panel and pull up the panel
to this side so that it will be opened by about 60 degrees.
Removal, installation of air inlet panel
When removing the air inlet panel for internal cleaning or others, open the
panel by 80 degrees and then pull it to this side.
During the operational season
Cleaning the air filter
1
Remove the air filter
1 Pull up to this side the air inlet panel.
2 Lightly hold the knobs at both sides and
lift a little to remove the panel to this
side.
2
Cleaning
If the filter is very dirty, clean it with warm water
(approx. 30°C), and dry it thoroughly.
CAUTION
• Don't clean the filters with boiling water.
• Don't dry them over an open flame.
• Pull them out gently.
3
Reinstall the air filter
• Holding 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.
How to close the air inlet panel
Push both sides evenly and press further lightly at the center.
Secure the upper edge of the air inlet panel by lightly pushing it in, and then
close the panel.
– 15 –
Standard interval is once every two week