Maintenance - Mitsubishi Heavy Industries DXK09Z5L-S User Manual

Maintenance

Careful matter during maintenance
Turn off the power
supply.
Wipe the unit with a
soft, dry cloth.
During the operational season
1
Cleaning the air filter
Recommendation interval is once every two week
• Hook fingers on this side of the top face of air filter.
Pull the air filter forward.
The air filter will separate from front panel.
CAUTION
• When removing the air filter, pull it out gently
without tilting and with care not to shake off dirt
accumulated on the air filter.
• Be careful not to allow dirt shaken off the air filter
entering in the eyes or mouth.
2 Cleaning
Remove dirt from the air filter using a vacuum cleaner.
If the filter is very dirty, clean it with warm water (approx.
30°C), and dry it thoroughly.
CAUTION
• Do not clean the filter with boiling water.
• Do not dry them over an open flame.
• Pull them out gently.
3
Reinstall the air filter
• Insert the air filter's ditch to the rail of the front
panel and push it in the back.
CAUTION
• Operating without putting back the air filter 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.
• Do not spill any liquid.
There's a danger
of electric shock.
• Do not touch the aluminum fins on
the heat exchanger.
• Stand firmly on a stepladder or other
stable object when removing the 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.
Rail (both side)
– 18 –
Ditch (both side)