LG ARNU09GSF11 [12/17] Maintenance and service

12 Indoor Unit

Maintenance and Service

Indoor Unit

Before performing any maintenance, turn off the main power to the system, disconnect the circuit breaker and

unplug the power cord.

Clean the unit with a soft dry cloth. Do not use bleach or abrasives.

Never use any of these

• Water hotter than 40°C. It may cause deformation and discoloration.

• Volatile substances. They may damage the surface of the air conditioner.

Air Filters

The air filters behind the front panel / grill should be checked and

cleaned once in every 2 weeks or more often if necessary. To remove

the filters see the self explanatory diagrams for each model type.

Clean the filters with a vacuum cleaner or warm soapy water. If dirt is

not easily removed, wash with a solution of detergent in luke warm water.

Dry well in shade after washing and reinstall the filters back in place.

Plasma Filters

The plasma filters behind the air filter should be checked and cleaned

once in every 3 months or more often if necessary. To remove the filters

see the self explanatory diagrams for each model type. Clean the filters with a

vacuum cleaner. If it is dirty wash it with water and dry well in shade an install

back in place.

Deodorizer Filters

Remove the deodorizer filters behind the air filter and expose them in direct

sunlight for 2 hours.

And then insert these filters into original position.

Removal of Filters

1. Art Cool Type :

Pull out the upper section of front panel and lift it up. Take out a filter with front panel held.

With PUSH button pressed, pull out grip to take out a plasma filter. Dry it completely in the shade after cleaning.

Then set a plasma filter and a filter orderly. Put the hook of front panel onto the hanger, in order to close the front

panel.

Don't touch this plasma filter within 10 seconds after opening the inlet grille, it may cause an electric shock.

Front panel

Plasma filter

Front panel hook

Hook-hanger

Air filter