DC Inverter U-match Series Duct Type Unit
37
8.2 Routine Maintenance
Only a qualified service person is allowed to perform maintenance.
Before accessing to terminal devices, all power supply circuits must be
disconnected.
Do not use water or air of 50°C (122°F) or higher for cleaning air filters and
outside panels.
①
Do not operate the air conditioner with
out
the filter installed; dust would come into the
unit.
②
Do not remove the air filter except for cleaning. Unnecessary handling may damage the filter.
③
Do not clean the unit with gasoline, benzene, thinner, polishing powder or liquid insecticide,
it
will
cause discoloration and deformation of the unit.
WARNING!
Do not wet the indoor unit in case of electric shock or fire hazard.
Increase the frequency of cleaning if the unit is installed in a room where the air
is extremely contaminated. (As a yardstick for yourself, consider cleaning the filter
once a half year.)
If dirt becomes impossible to clean, change the air filter. (Air filter for exchange
is optional.)
(1) Removing the air filter from the duct.
(2) Cleaning the air filter.
Remove dust from the air filter using a vacuum cleaner and gently rinse them in
cool water. Do not use detergent or hot water to avoid filter shrinking or deformation.
After cleaning dry them in the shade.
18k~48k:
(3) Replacing the air filter Reinstall the filter as before.