Indoor Unit; Outdoor Unit - LG MFL30291720 Owner's Manual

Maintenance and Service
Maintenance and Service
CAUTION: Before performing any maintenance, turn o the main power to the system.

Indoor Unit

Grille, Case, and Remote Control
Turn the system o before cleaning. To clean, wipe
with a soft, dry cloth. Do not use bleach or
abrasives.
NOTICE
Supply power must be disconnected before cleaning
the indoor unit.
Air filter
Louvers
Air outlet
(Vertical blades)
(Horizontal blade)
AIR FILTERS
The air lters behind the front grille should be checked
and cleaned once every 2 weeks or more often if
neccessary.

Outdoor Unit

The heat exchanger coils and panel vents of the outdoor unit
should be checked regularly. If clogged with dirt or soot, the
heat exchanger and panel vents may be professionally steam
cleaned.
NOTICE
Dirty or clogged coils will reduce the
operating e ciency of the system and cause
higher operating costs.
(Side)
Air intake vents
Air outlet vents
12 Room Air Conditioner
Air inlet
Grille tab
Front grille
ON/OFF button
Signal
receiver
Flap
(Rear)
Never use any of the followings:
• Water hotter than 40 °C
Could cause deformation and/or
discoloration.
• Volatile substances
Could damage the surfaces of the air
conditioner.
Lift the front access panel and pull the lter tab
slightly forward to remove the lter.
Clean the lter with a vacuum or warm, soapy
water.
• If dirt is conspicuous, wash with a solution
of detergent in lukewarm water.
• If hot water (40 °C or more) is used, it may
be deformed.
After washing with water, dry well in the shade.
Re-install the air lter.
Air intake
vents
Air outlet
vents
Air intake
Piping
vents
Drain Hose
Air outlet
vents
(Rear)
(Side)
(Rear)
(Side)
Piping
Drain Hose
Piping
Drain Hose