LG LWM1560BHE / LWM1861BHE / LWM1861BHG / LWN1862BHG / LWN2262BHG Service Manual ▷ View online
1.4 FEATURES
• Designed for cooling or heating.
• Powerful and quiet cooling.
• Slide-in and slide-out chassis for the simple
• Powerful and quiet cooling.
• Slide-in and slide-out chassis for the simple
installation and service.
• Reversible inlet grille.
1.5 CONTROL LOCATIONS
1.5.1 HEAT PUMP MODEL WITH ROTARY TYPE
• VENTILATION
The ventilation lever must be in the CLOSE position
in order to maintain the best cooling conditions.
When a fresh air is necessary in the room, set the
ventilation lever to the OPEN position.
The damper is opened and room air is exhausted.
in order to maintain the best cooling conditions.
When a fresh air is necessary in the room, set the
ventilation lever to the OPEN position.
The damper is opened and room air is exhausted.
NOTE: Before using the ventilation feature,
make the lever, as shown. First, pull down
part
part
Ⓐ
to horizontal line with part
Ⓑ
.
• HEATER LAMP
When the unit sets heating operation condition, the
green lamp is lighted.
When the frost settles on the heat exchanger of the
outside, defrosting is made automatically and the
green lamp is unlighted. The until it may hiss and the
fan motor will stop for 1 to 10 minutes.
This should not be regarded as trouble. After
defrosting, the heating operation begins again.
green lamp is lighted.
When the frost settles on the heat exchanger of the
outside, defrosting is made automatically and the
green lamp is unlighted. The until it may hiss and the
fan motor will stop for 1 to 10 minutes.
This should not be regarded as trouble. After
defrosting, the heating operation begins again.
• THERMOSTAT
Turn the thermostat control to the desired setting.
The central position is a normal setting for average
conditions. You can change this setting, if
necessary, in accordance with your temperature
preference.
The thermostat automatically controls cooling or
heating, but the fan runs continuously whenever the
air conditioner is in operation. If the room is
too warm, turn the thermostat control clockwise. If
the room is too cool, turn the themostat control
counterclockwise.
The central position is a normal setting for average
conditions. You can change this setting, if
necessary, in accordance with your temperature
preference.
The thermostat automatically controls cooling or
heating, but the fan runs continuously whenever the
air conditioner is in operation. If the room is
too warm, turn the thermostat control clockwise. If
the room is too cool, turn the themostat control
counterclockwise.
• OPERATION
OFF
( O ) : Turns the air conditioner off.
LOW FAN
( ) : Permits the low fan speed
operation without cooling (heating).
LOW COOL ( ) : Permits cooling with the low
fan speed operation.
HIGH COOL ( ) : Permits cooling with the high
fan speed operation.
LOW HEAT ( ) : Permits heating with the low
fan speed operation.
HIGH HEAT ( ) : Permits heating with the high
fan speed operation.
• AUTO SWING
ON (
): Air swing is operated while OPERATION
knob is set to the COOL or HEAT position.
OFF( ): Stops the operation of air swing.
• Side air-intake, side cooled-air discharge.
• Built in adjustable THERMOSTAT.
• Washable one-touch filter.
• Compact size.
• Built in adjustable THERMOSTAT.
• Washable one-touch filter.
• Compact size.
—6—
Part A
Part B
VENT
CLOSE
OPEN
—7—
1.5.2 HEAT PUMP MODEL WITH REMOTE CONTROL AND TOUCH TYPE
POWER BUTTON
Operation starts, when this button is pressed and stops when you press the button again.
OPERATION MODE SELECTION BUTTON
Select Cooling, Heating, or Fan mode with button.
ON/OFF TIMER BUTTON
Set the time of starting and stopping operation. The timer is set by 1 hour.
FAN SPEED SELECTOR
Select the fan speed in two steps (Low or High).
ROOM TEMPERATURE SETTING BUTTON
Control the room temperature within a range of 16°C to 30°C.
AUTO RESTART SWITCH
In failure of electric power, if the switch is set to "ON", the unit runs as previous setting operation when power returns.
AUTO SWING BUTTON
Control the horizontal air direcion by air swing system.
SIGNAL RECEIVER
6
6
7
7
8
8
Precaution: The Remote Control unit will not function properly if strong light strikes the sensor window of the air
conditioner or if there are obstacles between the Remote Control unit and the air conditioner.
REMOTE CONTROL
DISPLAY
1
6
8
5
7
4
2
3
3
2
4
1
5
7
—8—
2.1 MECHANICAL PARTS
2.1.1 FRONT GRILLE
1. Open the inlet grille upward or downward.
2. Remove the screw which fastens the front grille.
3. Pull the front grille from the right side.
4. Remove the front grille. (See figure 1)
5. Re-install the component by referring to the
2. Remove the screw which fastens the front grille.
3. Pull the front grille from the right side.
4. Remove the front grille. (See figure 1)
5. Re-install the component by referring to the
removal procedure.
NOTE: Mark " "of inlet grille means opening
direction.
2.1.2 CABINET
1. After disassembling the FRONT GRILLE, remove
the screws which fasten the cabinet at both sides.
2. Remove the two screws which fasten the cabinet
at back. (See figure 2)
3. Pull the base pan forward.
2.1.3 CONTROL BOX
1. Remove the front grille. (Refer to section 2.1.1)
2. Pull the base pan forward so that you can remove
2. Pull the base pan forward so that you can remove
the 2 screws which fasten the cover control at the
right side. (See figure 3)
right side. (See figure 3)
3. Remove the 3 screws which fasten the control
box. (See figure 3)
4. Discharge the capacitor by placing a 20,000 ohm
resistor across the capacitor terminals.
5. Disconnect two wire housings in the control box.
6. Pull the control box forward completely.
7. Re-install the components by referring to the
6. Pull the control box forward completely.
7. Re-install the components by referring to the
removal procedure. (See figure 3)
(Refer to the circuit diagram found on page 19 in
this manual and on the control box.)
(Refer to the circuit diagram found on page 19 in
this manual and on the control box.)
2. DISASSEMBLY INSTRUCTIONS
— Before the following disassembly, POWER SWITCH is set to OFF and disconnected the power cord.
Figure 1
Figure 2
Figure 3
—9—
2.2 AIR HANDLING PARTS
2.2.1 COVER (AT THE TOP)
1. Remove the front grille. (Refer to section 2.1.1)
2. Remove the cabinet. (Refer to section 2.1.2)
3. Remove 11 screws which fasten the brace and
2. Remove the cabinet. (Refer to section 2.1.2)
3. Remove 11 screws which fasten the brace and
covers.
4. Remove the covers and the brace. (See figure 4)
5. Re-install the components by referring to the
5. Re-install the components by referring to the
removal procedure, above.
2.2.2 BLOWER
1. Remove the cover. (Refer to section 2.2.1)
2. Remove the 3 screws which fasten the evaporator
2. Remove the 3 screws which fasten the evaporator
at the left side and the top side.
3. Move the evaporator sideward carefully.
4. Remove the orifice from the air guide carefully.
5. Remove the clamp which secures the blower with
4. Remove the orifice from the air guide carefully.
5. Remove the clamp which secures the blower with
plier. (See figure 5)
6. Remove the blower with plier or your hand without
touching blades. (See figure 6)
7. Re-install the components by referring to the
removal procedure, above.
2.2.3 FAN
1. Remove the cabinet. (Refer to section 2.1.2)
2. Remove the brace and shroud cover.
2. Remove the brace and shroud cover.
(Refer to section 2.2.1)
3. Remove the 5 screws which fasten the condenser.
4. Move the condenser sideways carefully.
5. Remove the clamp which secures the fan.
6. Remove the fan. (See figure 7)
7. Re-install the components by referring to the
4. Move the condenser sideways carefully.
5. Remove the clamp which secures the fan.
6. Remove the fan. (See figure 7)
7. Re-install the components by referring to the
removal procedure, above.
Figure 4
Figure 5
Figure 6
Figure 7
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