LG LM-4460C2T Service Manual ▷ View online
Functions
ƒU
Room temperature sensor. (Thermistor)
ƒU
Maintains the room temperature in accordance with the Setting Temp.
ƒU
Indoor fan is delayed for 5 seconds at the starting.
ƒU
Restarting is inhibited for approx. 3 minutes.
ƒU
High, Med, Low
ƒU
Intermittent operation of fan at low speed.
ƒU
The louver can be set at swing up and down automatically.
ƒU
The setting temperature, indoor fan speed and desired operation mode are automatically set.
ƒU
Both the indoor and outdoor fan stops during defrosting.
ƒU
Hot start after defrost ends.
ƒU
The indoor fan stops until the evaporator piping temperature will be reached at 28
¡
.
Indoor Unit
Operation ON/OFF by Remote controller
Sensing the Room Temperature
Room temperature control
Starting Current Control
Time Delay Safety Control
Indoor Fan Speed Control
Soft Dry Operation Mode
Airflow Direction Control
Deice (defrost) control (Heating)
Hot-start Control (Heating)
Auto Operation
–3–
–4–
Remote Controller
Operation ON/OFF
Operation Mode Selection
Fan Speed Selection
Room Temperature Display
Temperature Setting
Setting the Time or Timer
(Cooling
model only)
(Heating
model only)
(Low)
(Med)
(High)
Cooling Operation Mode ( )
Heating Operation Mode ( )
Heating Operation Mode ( )
Soft Dry Operation Mode ( )
Fan Operation Mode
HI
MED
LO
Set
: High:39°C
¡Œ
LOW:11°C
: Fan Operates without cooling & heating
Cooling
Heating
Down to 18°C
Up to 30°C
,
Down to 16°C
Up to 30°C
,
–13–
Installation of Indoor, Outdoor Unit
1. Selection of the best location
1) Indoor unit
• There should not be any heat source or steam near
the unit.
• There should not be any obstacles to prevent the air
circulation.
• A place where air circulation in the room will be
good.
• A place where drainage can be easily obtained.
• A place where noise prevention is taken into consid-
• A place where noise prevention is taken into consid-
eration.
• Do not install the unit near the door way.
• Ensure the spaces indicated by arrows from the
• Ensure the spaces indicated by arrows from the
wall, ceiling, or other obstacles.
• The indoor unit must keep the maintenance space.
2) Outdoor unit
• If an awning is built over the unit to prevent direct
sunlight or rain exposure, be careful that heat radia-
tion from the condenser is not restricted.
tion from the condenser is not restricted.
• There should not be any animals or plants which
could be affected by hot air discharged.
• Ensure the spaces indicated by arrows from the
wall, ceiling, fence or other obstacles.
More than 10cm
More than 10cm
More than 70cm
,,
Unit:cm
Ceiling
Ceiling Board
Ceiling Board
30 or more
Abo
ve
250
300 or less
100
or more
50 or
more
50 or
more
30 or less
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Floor
–22–
7. Installation of Decorative Panel
1. Temporarily fix two decorative panel fixing screws (hexagon M5 screw) on the unit body. (Tighten by amount
10mm in length.)
The fixing screws (hexagon M5 screw) are included the decorative panel box.
The fixing screws (hexagon M5 screw) are included the decorative panel box.
2. Remove the air inlet grille from the decorative panel. (Remove the hook for the air inlet grille cord.)
3. Hook the decorative panel key hole ( ) on the screws fixed in step above, and slide the panel so that the
3. Hook the decorative panel key hole ( ) on the screws fixed in step above, and slide the panel so that the
screws reach the key hole edge.
4. Retighten completely two temporarily fixed screws and other two screws. (Total 4 screws)
5. Connect the louver motor connector.
6. After tightening these screws, install the air inlet grille (including the air filter).
5. Connect the louver motor connector.
6. After tightening these screws, install the air inlet grille (including the air filter).
Decorative panel fixing screws
(hexagon M5 screws)
Temporally fitting at 2 places
(Tightening about 10mm)
(hexagon M5 screws)
Temporally fitting at 2 places
(Tightening about 10mm)
Decorative panel
Louver motor
connector
connector
Install the panel after
making sure that the
piping side of the unit body
matches the piping
indication of the decorative
panel
making sure that the
piping side of the unit body
matches the piping
indication of the decorative
panel
Control box
cover
cover
Louver motor connector
(In the control box)
(In the control box)
Air conditioner unit
Piping side
Inlet Grille
Decorative panel fixing screws
(Hexagon M5 screw)
(Hexagon M5 screw)
Key holes
The arrow ( ) should point
to the side where the pipes are.
to the side where the pipes are.
The decorative panel has its installation
direction.
direction.
Before installing the decorative panel,
always remove the paper template.
always remove the paper template.