Maintenance And Service - LG LQN120HV4 Owner's Manual

Maintenance and Service

!
CAUTION
Before performing any maintenance, turn off the main power to the system, disconnect the circuit breaker.
Indoor Unit
Clean the unit with a soft dry cloth. Do not use bleach or abrasives.
!
CAUTION
Never use any of these:
• Water hotter than 40℃(104℉). 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 below. 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.
Removal of Grille
1. Open the front grille by pulling forward
2. Then pull out the link of grille from groove in front panel.
3. Then pull out 2 hinges of grille from grooves in front panel.
Removal of Filters
• Pull down the filter tab slightly
to remove the air filter.
Maintenance and Service
Owner's Manual 19