Disconnect power supply
Don't splash water directly on indoor
Air filter cleaning
Pull it out from top as shown in Fig.
Use water or vacuum cleaner to clean it.
If it is extremely dirty, wash it with neutral
detergent or soap water.
Wash it with clean water and install it after
Don't use hot water over 40 C, as this may cause damage to air filter.
Wipe air filter carefully.
Don't touch it with wet
This could be
Don't wash with hot water
or solvent to clean the unit
Don't spray any paint or insecticide
on the unit.
This will cause damage or even fire accident.